Re: Linux 5.10.209

diff --git a/Makefile b/Makefile index a4b42141ba1b..613b25d330b0 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 208 +SUBLEVEL = 209 EXTRAVERSION = NAME = Dare mighty things

diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index 4868bdebf586..c43d323bcb59 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -61,7 +61,7 @@ struct rt_sigframe { unsigned int sigret_magic; };

-static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs) +static int save_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs) { int err = 0; #ifndef CONFIG_ISA_ARCOMPACT @@ -74,12 +74,12 @@ static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs) #else v2abi.r58 = v2abi.r59 = 0; #endif - err = __copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi)); + err = __copy_to_user(&mctx->v2abi, (void const *)&v2abi, sizeof(v2abi)); #endif return err; }

-static int restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs) +static int restore_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs) { int err = 0; #ifndef CONFIG_ISA_ARCOMPACT diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index fb25ede1ce9f..3f1002c34446 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -760,7 +760,7 @@ pwrkey@1c {

xoadc: xoadc@197 { compatible = "qcom,pm8921-adc"; - reg = <197>; + reg = <0x197>; interrupts-extended = <&pmicintc 78 IRQ_TYPE_EDGE_RISING>; #address-cells = <2>; #size-cells = <0>; diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index de11030748d0..b30221f7dfa4 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -3,6 +3,7 @@ menuconfig ARCH_DAVINCI bool "TI DaVinci" depends on ARCH_MULTI_V5 + select CPU_ARM926T select DAVINCI_TIMER select ZONE_DMA select PM_GENERIC_DOMAINS if PM diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c index b2f5f4f28705..f779e386b6e7 100644 --- a/arch/arm/mach-sunxi/mc_smp.c +++ b/arch/arm/mach-sunxi/mc_smp.c @@ -804,12 +804,12 @@ static int __init sunxi_mc_smp_init(void) for (i = 0; i < ARRAY_SIZE(sunxi_mc_smp_data); i++) { ret = of_property_match_string(node, "enable-method", sunxi_mc_smp_data[i].enable_method); - if (!ret) + if (ret >= 0) break; }

of_node_put(node); - if (ret) + if (ret < 0) return -ENODEV;

is_a83t = sunxi_mc_smp_data[i].is_a83t; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index eea8d23683dc..39e9b3875761 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -129,7 +129,7 @@ rtc@6f { compatible = "microchip,mcp7940x"; reg = <0x6f>; interrupt-parent = <&gpiosb>; - interrupts = <5 0>; /* GPIO2_5 */ + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; /* GPIO2_5 */ }; };

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index 949fee6949e6..5516d2067c82 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -38,8 +38,8 @@ leds { user4 { label = "green:user4"; gpios = <&pm8150_gpios 10 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "panic-indicator"; default-state = "off"; + panic-indicator; };

wlan { diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts index 1e889ca932e4..31f4f0575094 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts @@ -55,8 +55,8 @@ leds { user4 { label = "green:user4"; gpios = <&pm8998_gpio 13 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "panic-indicator"; default-state = "off"; + panic-indicator; };

wlan { diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 4265f627ca16..a3538279d710 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -865,7 +865,7 @@ dss: dss@4a00000 { assigned-clocks = <&k3_clks 67 2>; assigned-clock-parents = <&k3_clks 67 5>;

- interrupts = <GIC_SPI 166 IRQ_TYPE_EDGE_RISING>; + interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;

status = "disabled";

diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c index 23710bf5a86b..62f261b8eb62 100644 --- a/arch/arm64/kvm/vgic/vgic-its.c +++ b/arch/arm64/kvm/vgic/vgic-its.c @@ -584,7 +584,11 @@ static struct vgic_irq *vgic_its_check_cache(struct kvm *kvm, phys_addr_t db, unsigned long flags;

raw_spin_lock_irqsave(&dist->lpi_list_lock, flags); + irq = __vgic_its_check_cache(dist, db, devid, eventid); + if (irq) + vgic_get_irq_kref(irq); + raw_spin_unlock_irqrestore(&dist->lpi_list_lock, flags);

return irq; @@ -763,6 +767,7 @@ int vgic_its_inject_cached_translation(struct kvm *kvm, struct kvm_msi *msi) raw_spin_lock_irqsave(&irq->irq_lock, flags); irq->pending_latch = true; vgic_queue_irq_unlock(kvm, irq, flags); + vgic_put_irq(kvm, irq);

return 0; } diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c index 15a6c98ee92f..7a6360eba321 100644 --- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c +++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c @@ -356,19 +356,26 @@ static int vgic_v3_uaccess_write_pending(struct kvm_vcpu *vcpu, struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);

raw_spin_lock_irqsave(&irq->irq_lock, flags); - if (test_bit(i, &val)) { - /* - * pending_latch is set irrespective of irq type - * (level or edge) to avoid dependency that VM should - * restore irq config before pending info. - */ - irq->pending_latch = true; - vgic_queue_irq_unlock(vcpu->kvm, irq, flags); - } else { + + /* + * pending_latch is set irrespective of irq type + * (level or edge) to avoid dependency that VM should + * restore irq config before pending info. + */ + irq->pending_latch = test_bit(i, &val); + + if (irq->hw && vgic_irq_is_sgi(irq->intid)) { + irq_set_irqchip_state(irq->host_irq, + IRQCHIP_STATE_PENDING, + irq->pending_latch); irq->pending_latch = false; - raw_spin_unlock_irqrestore(&irq->irq_lock, flags); }

+ if (irq->pending_latch) + vgic_queue_irq_unlock(vcpu->kvm, irq, flags); + else + raw_spin_unlock_irqrestore(&irq->irq_lock, flags); + vgic_put_irq(vcpu->kvm, irq); }

diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index 414f92eacb5e..9ad26215b004 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -847,7 +847,7 @@ int __init db1200_dev_setup(void) i2c_register_board_info(0, db1200_i2c_devs, ARRAY_SIZE(db1200_i2c_devs)); spi_register_board_info(db1200_spi_devs, - ARRAY_SIZE(db1200_i2c_devs)); + ARRAY_SIZE(db1200_spi_devs));

/* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI) * S6.7 AC97/I2S selector (OFF=AC97 ON=I2S) diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c index 752b93d91ac9..06811a5db71d 100644 --- a/arch/mips/alchemy/devboards/db1550.c +++ b/arch/mips/alchemy/devboards/db1550.c @@ -588,7 +588,7 @@ int __init db1550_dev_setup(void) i2c_register_board_info(0, db1550_i2c_devs, ARRAY_SIZE(db1550_i2c_devs)); spi_register_board_info(db1550_spi_devs, - ARRAY_SIZE(db1550_i2c_devs)); + ARRAY_SIZE(db1550_spi_devs));

c = clk_get(NULL, "psc0_intclk"); if (!IS_ERR(c)) { diff --git a/arch/mips/include/asm/dmi.h b/arch/mips/include/asm/dmi.h index 27415a288adf..dc397f630c66 100644 --- a/arch/mips/include/asm/dmi.h +++ b/arch/mips/include/asm/dmi.h @@ -5,7 +5,7 @@ #include <linux/io.h> #include <linux/memblock.h>

-#define dmi_early_remap(x, l) ioremap_cache(x, l) +#define dmi_early_remap(x, l) ioremap(x, l) #define dmi_early_unmap(x, l) iounmap(x) #define dmi_remap(x, l) ioremap_cache(x, l) #define dmi_unmap(x) iounmap(x) diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index b7eb7dd96e17..66643cb65963 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -322,11 +322,11 @@ static void __init bootmem_init(void) panic("Incorrect memory mapping !!!");

if (max_pfn > PFN_DOWN(HIGHMEM_START)) { + max_low_pfn = PFN_DOWN(HIGHMEM_START); #ifdef CONFIG_HIGHMEM - highstart_pfn = PFN_DOWN(HIGHMEM_START); + highstart_pfn = max_low_pfn; highend_pfn = max_pfn; #else - max_low_pfn = PFN_DOWN(HIGHMEM_START); max_pfn = max_low_pfn; #endif } diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 324d7b298ec3..6e4af4492a14 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -38,14 +38,6 @@ extern char start_virt_trampolines[]; extern char end_virt_trampolines[]; #endif

-static inline int in_kernel_text(unsigned long addr) -{ - if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end) - return 1; - - return 0; -} - static inline unsigned long kernel_toc_addr(void) { /* Defined by the linker, see vmlinux.lds.S */ diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 0697a0e014ae..321cab5c3ea0 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -38,7 +38,7 @@ obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o # so it is only needed for modules, and only for older linkers which # do not support --save-restore-funcs ifeq ($(call ld-ifversion, -lt, 225000000, y),y) -extra-$(CONFIG_PPC64) += crtsavres.o +always-$(CONFIG_PPC64) += crtsavres.o endif

obj-$(CONFIG_PPC_BOOK3S_64) += copyuser_power7.o copypage_power7.o \ diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index 3e15d0d054b2..5464c87511fa 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -292,6 +292,8 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) attr_group->attrs = attrs; do { ev_val_str = kasprintf(GFP_KERNEL, "event=0x%x", pmu->events[i].value); + if (!ev_val_str) + continue; dev_str = device_str_attr_create(pmu->events[i].name, ev_val_str); if (!dev_str) continue; @@ -299,6 +301,8 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu) attrs[j++] = dev_str; if (pmu->events[i].scale) { ev_scale_str = kasprintf(GFP_KERNEL, "%s.scale", pmu->events[i].name); + if (!ev_scale_str) + continue; dev_str = device_str_attr_create(ev_scale_str, pmu->events[i].scale); if (!dev_str) continue; @@ -308,6 +312,8 @@ static int update_events_in_group(struct device_node *node, struct imc_pmu *pmu)

if (pmu->events[i].unit) { ev_unit_str = kasprintf(GFP_KERNEL, "%s.unit", pmu->events[i].name); + if (!ev_unit_str) + continue; dev_str = device_str_attr_create(ev_unit_str, pmu->events[i].unit); if (!dev_str) continue; diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 78ac6d67a935..9bc852c7e92f 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -177,6 +177,7 @@ config ISS4xx config CURRITUCK bool "IBM Currituck (476fpe) Support" depends on PPC_47x + select I2C select SWIOTLB select 476FPE select FORCE_PCI diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index c164419e254d..dcec0f760c8f 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -278,6 +278,8 @@ int __init opal_event_init(void) else name = kasprintf(GFP_KERNEL, "opal");

+ if (!name) + continue; /* Install interrupt handler */ rc = request_irq(r->start, opal_interrupt, r->flags & IRQD_TRIGGER_MASK, name, NULL); diff --git a/arch/powerpc/platforms/powernv/opal-powercap.c b/arch/powerpc/platforms/powernv/opal-powercap.c index c16d44f6f1d1..ce9ec3962cef 100644 --- a/arch/powerpc/platforms/powernv/opal-powercap.c +++ b/arch/powerpc/platforms/powernv/opal-powercap.c @@ -196,6 +196,12 @@ void __init opal_powercap_init(void)

j = 0; pcaps[i].pg.name = kasprintf(GFP_KERNEL, "%pOFn", node); + if (!pcaps[i].pg.name) { + kfree(pcaps[i].pattrs); + kfree(pcaps[i].pg.attrs); + goto out_pcaps_pattrs; + } + if (has_min) { powercap_add_attr(min, "powercap-min", &pcaps[i].pattrs[j]); diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c index fd510d961b8c..d5814c5046ba 100644 --- a/arch/powerpc/platforms/powernv/opal-xscom.c +++ b/arch/powerpc/platforms/powernv/opal-xscom.c @@ -165,6 +165,11 @@ static int scom_debug_init_one(struct dentry *root, struct device_node *dn, ent->chip = chip; snprintf(ent->name, 16, "%08x", chip); ent->path.data = (void *)kasprintf(GFP_KERNEL, "%pOF", dn); + if (!ent->path.data) { + kfree(ent); + return -ENOMEM; + } + ent->path.size = strlen((char *)ent->path.data);

dir = debugfs_create_dir(ent->name, root); diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index a5f968b5fa3a..96dd82d63e98 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -481,7 +481,7 @@ static int dlpar_memory_remove_by_index(u32 drc_index) int lmb_found; int rc;

- pr_info("Attempting to hot-remove LMB, drc index %x\n", drc_index); + pr_debug("Attempting to hot-remove LMB, drc index %x\n", drc_index);

lmb_found = 0; for_each_drmem_lmb(lmb) { @@ -495,14 +495,15 @@ static int dlpar_memory_remove_by_index(u32 drc_index) } }

- if (!lmb_found) + if (!lmb_found) { + pr_debug("Failed to look up LMB for drc index %x\n", drc_index); rc = -EINVAL; - - if (rc) - pr_info("Failed to hot-remove memory at %llx\n", - lmb->base_addr); - else - pr_info("Memory at %llx was hot-removed\n", lmb->base_addr); + } else if (rc) { + pr_debug("Failed to hot-remove memory at %llx\n", + lmb->base_addr); + } else { + pr_debug("Memory at %llx was hot-removed\n", lmb->base_addr); + }

return rc; } @@ -719,8 +720,8 @@ static int dlpar_memory_add_by_count(u32 lmbs_to_add) if (!drmem_lmb_reserved(lmb)) continue;

- pr_info("Memory at %llx (drc index %x) was hot-added\n", - lmb->base_addr, lmb->drc_index); + pr_debug("Memory at %llx (drc index %x) was hot-added\n", + lmb->base_addr, lmb->drc_index); drmem_remove_lmb_reservation(lmb); } rc = 0; diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h index 287bb88f7698..2686bee800e3 100644 --- a/arch/s390/include/asm/pci_io.h +++ b/arch/s390/include/asm/pci_io.h @@ -11,6 +11,8 @@ /* I/O size constraints */ #define ZPCI_MAX_READ_SIZE 8 #define ZPCI_MAX_WRITE_SIZE 128 +#define ZPCI_BOUNDARY_SIZE (1 << 12) +#define ZPCI_BOUNDARY_MASK (ZPCI_BOUNDARY_SIZE - 1)

/* I/O Map */ #define ZPCI_IOMAP_SHIFT 48 @@ -125,16 +127,18 @@ static inline int zpci_read_single(void *dst, const volatile void __iomem *src, int zpci_write_block(volatile void __iomem *dst, const void *src, unsigned long len);

-static inline u8 zpci_get_max_write_size(u64 src, u64 dst, int len, int max) +static inline int zpci_get_max_io_size(u64 src, u64 dst, int len, int max) { - int count = len > max ? max : len, size = 1; + int offset = dst & ZPCI_BOUNDARY_MASK; + int size;

- while (!(src & 0x1) && !(dst & 0x1) && ((size << 1) <= count)) { - dst = dst >> 1; - src = src >> 1; - size = size << 1; - } - return size; + size = min3(len, ZPCI_BOUNDARY_SIZE - offset, max); + if (IS_ALIGNED(src, 8) && IS_ALIGNED(dst, 8) && IS_ALIGNED(size, 8)) + return size; + + if (size >= 8) + return 8; + return rounddown_pow_of_two(size); }

static inline int zpci_memcpy_fromio(void *dst, @@ -144,9 +148,9 @@ static inline int zpci_memcpy_fromio(void *dst, int size, rc = 0;

while (n > 0) { - size = zpci_get_max_write_size((u64 __force) src, - (u64) dst, n, - ZPCI_MAX_READ_SIZE); + size = zpci_get_max_io_size((u64 __force) src, + (u64) dst, n, + ZPCI_MAX_READ_SIZE); rc = zpci_read_single(dst, src, size); if (rc) break; @@ -166,9 +170,9 @@ static inline int zpci_memcpy_toio(volatile void __iomem *dst, return -EINVAL;

while (n > 0) { - size = zpci_get_max_write_size((u64 __force) dst, - (u64) src, n, - ZPCI_MAX_WRITE_SIZE); + size = zpci_get_max_io_size((u64 __force) dst, + (u64) src, n, + ZPCI_MAX_WRITE_SIZE); if (size > 8) /* main path */ rc = zpci_write_block(dst, src, size); else diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c index 1ec8076209ca..6e7c4762bd23 100644 --- a/arch/s390/pci/pci_mmio.c +++ b/arch/s390/pci/pci_mmio.c @@ -100,9 +100,9 @@ static inline int __memcpy_toio_inuser(void __iomem *dst,

old_fs = enable_sacf_uaccess(); while (n > 0) { - size = zpci_get_max_write_size((u64 __force) dst, - (u64 __force) src, n, - ZPCI_MAX_WRITE_SIZE); + size = zpci_get_max_io_size((u64 __force) dst, + (u64 __force) src, n, + ZPCI_MAX_WRITE_SIZE); if (size > 8) /* main path */ rc = __pcistb_mio_inuser(dst, src, size, &status); else @@ -252,9 +252,9 @@ static inline int __memcpy_fromio_inuser(void __user *dst,

old_fs = enable_sacf_uaccess(); while (n > 0) { - size = zpci_get_max_write_size((u64 __force) src, - (u64 __force) dst, n, - ZPCI_MAX_READ_SIZE); + size = zpci_get_max_io_size((u64 __force) src, + (u64 __force) dst, n, + ZPCI_MAX_READ_SIZE); rc = __pcilg_mio_inuser(dst, src, size, &status); if (rc) break; diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index bb657e2e6c68..b79b4ee49fbd 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -24,8 +24,8 @@

static int kvmclock __initdata = 1; static int kvmclock_vsyscall __initdata = 1; -static int msr_kvm_system_time __ro_after_init = MSR_KVM_SYSTEM_TIME; -static int msr_kvm_wall_clock __ro_after_init = MSR_KVM_WALL_CLOCK; +static int msr_kvm_system_time __ro_after_init; +static int msr_kvm_wall_clock __ro_after_init; static u64 kvm_sched_clock_offset __ro_after_init;

static int __init parse_no_kvmclock(char *arg) @@ -196,7 +196,8 @@ static void kvm_setup_secondary_clock(void)

void kvmclock_disable(void) { - native_write_msr(msr_kvm_system_time, 0, 0); + if (msr_kvm_system_time) + native_write_msr(msr_kvm_system_time, 0, 0); }

static void __init kvmclock_init_mem(void) @@ -292,7 +293,10 @@ void __init kvmclock_init(void) if (kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE2)) { msr_kvm_system_time = MSR_KVM_SYSTEM_TIME_NEW; msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK_NEW; - } else if (!kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)) { + } else if (kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)) { + msr_kvm_system_time = MSR_KVM_SYSTEM_TIME; + msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK; + } else { return; }

diff --git a/arch/x86/lib/misc.c b/arch/x86/lib/misc.c index a018ec4fba53..c97be9a1430a 100644 --- a/arch/x86/lib/misc.c +++ b/arch/x86/lib/misc.c @@ -6,7 +6,7 @@ */ int num_digits(int val) { - int m = 10; + long long m = 10; int d = 1;

if (val < 0) { diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 9acb9d2c4bcf..755e6caf18d2 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -1039,9 +1039,13 @@ EXPORT_SYMBOL_GPL(af_alg_sendpage); void af_alg_free_resources(struct af_alg_async_req *areq) { struct sock *sk = areq->sk; + struct af_alg_ctx *ctx;

af_alg_free_areq_sgls(areq); sock_kfree_s(sk, areq, areq->areqlen); + + ctx = alg_sk(sk)->private; + ctx->inflight = false; } EXPORT_SYMBOL_GPL(af_alg_free_resources);

@@ -1105,11 +1109,19 @@ EXPORT_SYMBOL_GPL(af_alg_poll); struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk, unsigned int areqlen) { - struct af_alg_async_req *areq = sock_kmalloc(sk, areqlen, GFP_KERNEL); + struct af_alg_ctx *ctx = alg_sk(sk)->private; + struct af_alg_async_req *areq; + + /* Only one AIO request can be in flight. */ + if (ctx->inflight) + return ERR_PTR(-EBUSY);

+ areq = sock_kmalloc(sk, areqlen, GFP_KERNEL); if (unlikely(!areq)) return ERR_PTR(-ENOMEM);

+ ctx->inflight = true; + areq->areqlen = areqlen; areq->sk = sk; areq->last_rsgl = NULL; diff --git a/crypto/scompress.c b/crypto/scompress.c index 738f4f8f0f41..4d6366a44400 100644 --- a/crypto/scompress.c +++ b/crypto/scompress.c @@ -124,6 +124,7 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir) struct crypto_scomp *scomp = *tfm_ctx; void **ctx = acomp_request_ctx(req); struct scomp_scratch *scratch; + unsigned int dlen; int ret;

if (!req->src || !req->slen || req->slen > SCOMP_SCRATCH_SIZE) @@ -135,6 +136,8 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir) if (!req->dlen || req->dlen > SCOMP_SCRATCH_SIZE) req->dlen = SCOMP_SCRATCH_SIZE;

+ dlen = req->dlen; + scratch = raw_cpu_ptr(&scomp_scratch); spin_lock(&scratch->lock);

@@ -152,6 +155,9 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir) ret = -ENOMEM; goto out; } + } else if (req->dlen > dlen) { + ret = -ENOSPC; + goto out; } scatterwalk_map_and_copy(scratch->dst, req->dst, 0, req->dlen, 1); diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index e648158368a7..088db2356998 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -145,9 +145,14 @@ static int extlog_print(struct notifier_block *nb, unsigned long val, static u32 err_seq;

estatus = extlog_elog_entry_check(cpu, bank); - if (estatus == NULL || (mce->kflags & MCE_HANDLED_CEC)) + if (!estatus) return NOTIFY_DONE;

+ if (mce->kflags & MCE_HANDLED_CEC) { + estatus->block_status = 0; + return NOTIFY_DONE; + } + memcpy(elog_buf, (void *)estatus, ELOG_ENTRY_LEN); /* clear record status to enable BIOS to update it again */ estatus->block_status = 0; diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c index 48e5059d67ca..7de59730030c 100644 --- a/drivers/acpi/acpi_lpit.c +++ b/drivers/acpi/acpi_lpit.c @@ -98,7 +98,7 @@ static void lpit_update_residency(struct lpit_residency_info *info, struct acpi_lpit_native *lpit_native) { info->frequency = lpit_native->counter_frequency ? - lpit_native->counter_frequency : tsc_khz * 1000; + lpit_native->counter_frequency : mul_u32_u32(tsc_khz, 1000U); if (!info->frequency) info->frequency = 1;

diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index cf6c9ffe04a2..9d384656323a 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -1788,12 +1788,12 @@ static void acpi_video_dev_register_backlight(struct acpi_video_device *device) return; count++;

- acpi_get_parent(device->dev->handle, &acpi_parent); - - pdev = acpi_get_pci_dev(acpi_parent); - if (pdev) { - parent = &pdev->dev; - pci_dev_put(pdev); + if (ACPI_SUCCESS(acpi_get_parent(device->dev->handle, &acpi_parent))) { + pdev = acpi_get_pci_dev(acpi_parent); + if (pdev) { + parent = &pdev->dev; + pci_dev_put(pdev); + } }

memset(&props, 0, sizeof(struct backlight_properties)); diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 80e92c298055..cf872dc5b07a 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -639,6 +639,7 @@ acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, * @index: Index of the reference to return * @num_args: Maximum number of arguments after each reference * @args: Location to store the returned reference with optional arguments + * (may be NULL) * * Find property with @name, verifify that it is a package containing at least * one object reference and if so, store the ACPI device object pointer to the @@ -697,6 +698,9 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, if (ret) return ret == -ENODEV ? -EINVAL : ret;

+ if (!args) + return 0; + args->fwnode = acpi_fwnode_handle(device); args->nargs = 0; return 0; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 508d22728ce8..42b1b06efda6 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -455,6 +455,13 @@ static const struct dmi_system_id asus_laptop[] = { DMI_MATCH(DMI_BOARD_NAME, "B1402CVA"), }, }, + { + /* TongFang GMxXGxx sold as Eluktronics Inc. RP-15 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Eluktronics Inc."), + DMI_MATCH(DMI_BOARD_NAME, "RP-15"), + }, + }, { /* TongFang GM6XGxX/TUXEDO Stellaris 16 Gen5 AMD */ .matches = { diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 2aaccb78235b..7db748cfcbc6 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -5173,7 +5173,7 @@ static __poll_t binder_poll(struct file *filp,

thread = binder_get_thread(proc); if (!thread) - return POLLERR; + return EPOLLERR;

binder_inner_proc_lock(thread->proc); thread->looper |= BINDER_LOOPER_STATE_POLL; diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index b6bf9caaf1d1..b655bc3956c7 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -271,7 +271,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate, } if (mm) { mmap_write_unlock(mm); - mmput(mm); + mmput_async(mm); } return 0;

@@ -304,7 +304,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate, err_no_vma: if (mm) { mmap_write_unlock(mm); - mmput(mm); + mmput_async(mm); } return vma ? -ENOMEM : -ESRCH; } @@ -359,8 +359,7 @@ static void debug_low_async_space_locked(struct binder_alloc *alloc, int pid) continue; if (!buffer->async_transaction) continue; - total_alloc_size += binder_alloc_buffer_size(alloc, buffer) - + sizeof(struct binder_buffer); + total_alloc_size += binder_alloc_buffer_size(alloc, buffer); num_buffers++; }

@@ -415,17 +414,17 @@ static struct binder_buffer *binder_alloc_new_buf_locked( alloc->pid, extra_buffers_size); return ERR_PTR(-EINVAL); } - if (is_async && - alloc->free_async_space < size + sizeof(struct binder_buffer)) { + + /* Pad 0-size buffers so they get assigned unique addresses */ + size = max(size, sizeof(void *)); + + if (is_async && alloc->free_async_space < size) { binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC, "%d: binder_alloc_buf size %zd failed, no async space left\n", alloc->pid, size); return ERR_PTR(-ENOSPC); }

- /* Pad 0-size buffers so they get assigned unique addresses */ - size = max(size, sizeof(void *)); - while (n) { buffer = rb_entry(n, struct binder_buffer, rb_node); BUG_ON(!buffer->free); @@ -526,7 +525,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked( buffer->extra_buffers_size = extra_buffers_size; buffer->pid = pid; if (is_async) { - alloc->free_async_space -= size + sizeof(struct binder_buffer); + alloc->free_async_space -= size; binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC, "%d: binder_alloc_buf size %zd async free %zd\n", alloc->pid, size, alloc->free_async_space); @@ -562,7 +561,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked( * is the sum of the three given sizes (each rounded up to * pointer-sized boundary) * - * Return: The allocated buffer or %NULL if error + * Return: The allocated buffer or %ERR_PTR(-errno) if error */ struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc, size_t data_size, @@ -662,8 +661,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc, BUG_ON(buffer->user_data > alloc->buffer + alloc->buffer_size);

if (buffer->async_transaction) { - alloc->free_async_space += buffer_size + sizeof(struct binder_buffer); - + alloc->free_async_space += buffer_size; binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC, "%d: binder_free_buf size %zd async free %zd\n", alloc->pid, size, alloc->free_async_space); @@ -711,7 +709,7 @@ void binder_alloc_free_buf(struct binder_alloc *alloc, /* * We could eliminate the call to binder_alloc_clear_buf() * from binder_alloc_deferred_release() by moving this to - * binder_alloc_free_buf_locked(). However, that could + * binder_free_buf_locked(). However, that could * increase contention for the alloc mutex if clear_on_free * is used frequently for large buffers. The mutex is not * needed for correctness here. @@ -1002,7 +1000,9 @@ enum lru_status binder_alloc_free_page(struct list_head *item, goto err_mmget; if (!mmap_read_trylock(mm)) goto err_mmap_read_lock_failed; - vma = binder_alloc_get_vma(alloc); + vma = find_vma(mm, page_addr); + if (vma && vma != binder_alloc_get_vma(alloc)) + goto err_invalid_vma;

list_lru_isolate(lru, item); spin_unlock(lock); @@ -1028,6 +1028,8 @@ enum lru_status binder_alloc_free_page(struct list_head *item, mutex_unlock(&alloc->mutex); return LRU_REMOVED_RETRY;

+err_invalid_vma: + mmap_read_unlock(mm); err_mmap_read_lock_failed: mmput_async(mm); err_mmget: diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index d2fb3eb5816c..b664c36388e2 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -531,6 +531,9 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode, if (nargs > NR_FWNODE_REFERENCE_ARGS) return -EINVAL;

+ if (!args) + return 0; + args->fwnode = software_node_get(refnode); args->nargs = nargs;

diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c index 719d4685a2dd..1a908827b1f2 100644 --- a/drivers/bluetooth/btmtkuart.c +++ b/drivers/bluetooth/btmtkuart.c @@ -471,7 +471,7 @@ mtk_stp_split(struct btmtkuart_dev *bdev, const unsigned char *data, int count, return data; }

-static int btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count) +static void btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count) { struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); const unsigned char *p_left = data, *p_h4; @@ -510,25 +510,20 @@ static int btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count) bt_dev_err(bdev->hdev, "Frame reassembly failed (%d)", err); bdev->rx_skb = NULL; - return err; + return; }

sz_left -= sz_h4; p_left += sz_h4; } - - return 0; }

static int btmtkuart_receive_buf(struct serdev_device *serdev, const u8 *data, size_t count) { struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev); - int err;

- err = btmtkuart_recv(bdev->hdev, data, count); - if (err < 0) - return err; + btmtkuart_recv(bdev->hdev, data, count);

bdev->hdev->stat.byte_rx += count;

diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index 45501637705c..62e994d18fe2 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -49,12 +49,24 @@ const struct clk_ops clk_fixed_rate_ops = { }; EXPORT_SYMBOL_GPL(clk_fixed_rate_ops);

+static void devm_clk_hw_register_fixed_rate_release(struct device *dev, void *res) +{ + struct clk_fixed_rate *fix = res; + + /* + * We can not use clk_hw_unregister_fixed_rate, since it will kfree() + * the hw, resulting in double free. Just unregister the hw and let + * devres code kfree() it. + */ + clk_hw_unregister(&fix->hw); +} + struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, struct device_node *np, const char *name, const char *parent_name, const struct clk_hw *parent_hw, const struct clk_parent_data *parent_data, unsigned long flags, unsigned long fixed_rate, unsigned long fixed_accuracy, - unsigned long clk_fixed_flags) + unsigned long clk_fixed_flags, bool devm) { struct clk_fixed_rate *fixed; struct clk_hw *hw; @@ -62,7 +74,11 @@ struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, int ret = -EINVAL;

/* allocate fixed-rate clock */ - fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); + if (devm) + fixed = devres_alloc(devm_clk_hw_register_fixed_rate_release, + sizeof(*fixed), GFP_KERNEL); + else + fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); if (!fixed) return ERR_PTR(-ENOMEM);

@@ -90,9 +106,13 @@ struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, else if (np) ret = of_clk_hw_register(np, hw); if (ret) { - kfree(fixed); + if (devm) + devres_free(fixed); + else + kfree(fixed); hw = ERR_PTR(ret); - } + } else if (devm) + devres_add(dev, fixed);

return hw; } diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c index 4dea29fa901d..d6515661580c 100644 --- a/drivers/clk/clk-si5341.c +++ b/drivers/clk/clk-si5341.c @@ -888,10 +888,8 @@ static int si5341_output_clk_set_rate(struct clk_hw *hw, unsigned long rate, r[0] = r_div ? (r_div & 0xff) : 1; r[1] = (r_div >> 8) & 0xff; r[2] = (r_div >> 16) & 0xff; - err = regmap_bulk_write(output->data->regmap, + return regmap_bulk_write(output->data->regmap, SI5341_OUT_R_REG(output), r, 3); - - return 0; }

static int si5341_output_reparent(struct clk_si5341_output *output, u8 index) diff --git a/drivers/clk/qcom/gpucc-sm8150.c b/drivers/clk/qcom/gpucc-sm8150.c index 27c40754b2c7..3d9b296a6e4a 100644 --- a/drivers/clk/qcom/gpucc-sm8150.c +++ b/drivers/clk/qcom/gpucc-sm8150.c @@ -38,8 +38,8 @@ static struct alpha_pll_config gpu_cc_pll1_config = { .config_ctl_hi_val = 0x00002267, .config_ctl_hi1_val = 0x00000024, .test_ctl_val = 0x00000000, - .test_ctl_hi_val = 0x00000002, - .test_ctl_hi1_val = 0x00000000, + .test_ctl_hi_val = 0x00000000, + .test_ctl_hi1_val = 0x00000020, .user_ctl_val = 0x00000000, .user_ctl_hi_val = 0x00000805, .user_ctl_hi1_val = 0x000000d0, diff --git a/drivers/clk/qcom/videocc-sm8150.c b/drivers/clk/qcom/videocc-sm8150.c index 3087e2ec8fd4..61089cde4222 100644 --- a/drivers/clk/qcom/videocc-sm8150.c +++ b/drivers/clk/qcom/videocc-sm8150.c @@ -37,6 +37,7 @@ static struct alpha_pll_config video_pll0_config = { .config_ctl_val = 0x20485699, .config_ctl_hi_val = 0x00002267, .config_ctl_hi1_val = 0x00000024, + .test_ctl_hi1_val = 0x00000020, .user_ctl_val = 0x00000000, .user_ctl_hi_val = 0x00000805, .user_ctl_hi1_val = 0x000000D0, @@ -218,6 +219,10 @@ static const struct regmap_config video_cc_sm8150_regmap_config = {

static const struct qcom_reset_map video_cc_sm8150_resets[] = { [VIDEO_CC_MVSC_CORE_CLK_BCR] = { 0x850, 2 }, + [VIDEO_CC_INTERFACE_BCR] = { 0x8f0 }, + [VIDEO_CC_MVS0_BCR] = { 0x870 }, + [VIDEO_CC_MVS1_BCR] = { 0x8b0 }, + [VIDEO_CC_MVSC_BCR] = { 0x810 }, };

static const struct qcom_cc_desc video_cc_sm8150_desc = { diff --git a/drivers/clk/rockchip/clk-rk3128.c b/drivers/clk/rockchip/clk-rk3128.c index 4b1122e98e16..ddfe1c402e80 100644 --- a/drivers/clk/rockchip/clk-rk3128.c +++ b/drivers/clk/rockchip/clk-rk3128.c @@ -489,7 +489,7 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS), GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS), - GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS), + GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 13, GFLAGS), GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS), GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS), GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS), diff --git a/drivers/clk/zynqmp/clk-mux-zynqmp.c b/drivers/clk/zynqmp/clk-mux-zynqmp.c index 06194149be83..46ff5cb733ee 100644 --- a/drivers/clk/zynqmp/clk-mux-zynqmp.c +++ b/drivers/clk/zynqmp/clk-mux-zynqmp.c @@ -83,7 +83,7 @@ static int zynqmp_clk_mux_set_parent(struct clk_hw *hw, u8 index) static const struct clk_ops zynqmp_clk_mux_ops = { .get_parent = zynqmp_clk_mux_get_parent, .set_parent = zynqmp_clk_mux_set_parent, - .determine_rate = __clk_mux_determine_rate, + .determine_rate = __clk_mux_determine_rate_closest, };

static const struct clk_ops zynqmp_clk_mux_ro_ops = { diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 66da02b83d39..acfd4878cce2 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -109,49 +109,6 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw, return DIV_ROUND_UP_ULL(parent_rate, value); }

-static void zynqmp_get_divider2_val(struct clk_hw *hw, - unsigned long rate, - struct zynqmp_clk_divider *divider, - int *bestdiv) -{ - int div1; - int div2; - long error = LONG_MAX; - unsigned long div1_prate; - struct clk_hw *div1_parent_hw; - struct clk_hw *div2_parent_hw = clk_hw_get_parent(hw); - struct zynqmp_clk_divider *pdivider = - to_zynqmp_clk_divider(div2_parent_hw); - - if (!pdivider) - return; - - div1_parent_hw = clk_hw_get_parent(div2_parent_hw); - if (!div1_parent_hw) - return; - - div1_prate = clk_hw_get_rate(div1_parent_hw); - *bestdiv = 1; - for (div1 = 1; div1 <= pdivider->max_div;) { - for (div2 = 1; div2 <= divider->max_div;) { - long new_error = ((div1_prate / div1) / div2) - rate; - - if (abs(new_error) < abs(error)) { - *bestdiv = div2; - error = new_error; - } - if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) - div2 = div2 << 1; - else - div2++; - } - if (pdivider->flags & CLK_DIVIDER_POWER_OF_TWO) - div1 = div1 << 1; - else - div1++; - } -} - /** * zynqmp_clk_divider_round_rate() - Round rate of divider clock * @hw: handle between common and hardware-specific interfaces @@ -170,6 +127,7 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, u32 div_type = divider->div_type; u32 bestdiv; int ret; + u8 width;

/* if read only, just return current value */ if (divider->flags & CLK_DIVIDER_READ_ONLY) { @@ -189,23 +147,12 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, return DIV_ROUND_UP_ULL((u64)*prate, bestdiv); }

- bestdiv = zynqmp_divider_get_val(*prate, rate, divider->flags); - - /* - * In case of two divisors, compute best divider values and return - * divider2 value based on compute value. div1 will be automatically - * set to optimum based on required total divider value. - */ - if (div_type == TYPE_DIV2 && - (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { - zynqmp_get_divider2_val(hw, rate, divider, &bestdiv); - } + width = fls(divider->max_div);

- if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac) - bestdiv = rate % *prate ? 1 : bestdiv; + rate = divider_round_rate(hw, rate, prate, NULL, width, divider->flags);

- bestdiv = min_t(u32, bestdiv, divider->max_div); - *prate = rate * bestdiv; + if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && (rate % *prate)) + *prate = rate;

return rate; } diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index aea285651fba..e1dcdb0ea1c4 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -163,7 +163,7 @@ static bool __init cpu0_node_has_opp_v2_prop(void) struct device_node *np = of_cpu_device_node_get(0); bool ret = false;

- if (of_get_property(np, "operating-points-v2", NULL)) + if (of_property_present(np, "operating-points-v2")) ret = true;

of_node_put(np); diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c index 3fe9125156b4..0942498b348c 100644 --- a/drivers/cpufreq/imx-cpufreq-dt.c +++ b/drivers/cpufreq/imx-cpufreq-dt.c @@ -89,7 +89,7 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev)

cpu_dev = get_cpu_device(0);

- if (!of_find_property(cpu_dev->of_node, "cpu-supply", NULL)) + if (!of_property_present(cpu_dev->of_node, "cpu-supply")) return -ENODEV;

if (of_machine_is_compatible("fsl,imx7ulp")) { diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 00f7ad746668..49cbc43f1fa9 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -230,7 +230,7 @@ static int imx6q_opp_check_speed_grading(struct device *dev) u32 val; int ret;

- if (of_find_property(dev->of_node, "nvmem-cells", NULL)) { + if (of_property_present(dev->of_node, "nvmem-cells")) { ret = nvmem_cell_read_u32(dev, "speed_grade", &val); if (ret) return ret; @@ -285,7 +285,7 @@ static int imx6ul_opp_check_speed_grading(struct device *dev) u32 val; int ret = 0;

- if (of_find_property(dev->of_node, "nvmem-cells", NULL)) { + if (of_property_present(dev->of_node, "nvmem-cells")) { ret = nvmem_cell_read_u32(dev, "speed_grade", &val); if (ret) return ret; diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 8286205c7165..bb1389f276d7 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -238,8 +238,11 @@ static int scmi_cpufreq_probe(struct scmi_device *sdev)

#ifdef CONFIG_COMMON_CLK /* dummy clock provider as needed by OPP if clocks property is used */ - if (of_find_property(dev->of_node, "#clock-cells", NULL)) - devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL); + if (of_property_present(dev->of_node, "#clock-cells")) { + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, NULL); + if (ret) + return dev_err_probe(dev, ret, "%s: registering clock provider failed\n", __func__); + } #endif

ret = cpufreq_register_driver(&scmi_cpufreq_driver); diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c index 8c893043953e..111d4ff6fe86 100644 --- a/drivers/cpufreq/tegra20-cpufreq.c +++ b/drivers/cpufreq/tegra20-cpufreq.c @@ -25,7 +25,7 @@ static bool cpu0_node_has_opp_v2_prop(void) struct device_node *np = of_cpu_device_node_get(0); bool ret = false;

- if (of_get_property(np, "operating-points-v2", NULL)) + if (of_property_present(np, "operating-points-v2")) ret = true;

of_node_put(np); diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index c15625e8ff66..7e2fbba945cd 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -179,8 +179,11 @@ static int ccp_init_dm_workarea(struct ccp_dm_workarea *wa,

wa->dma.address = dma_map_single(wa->dev, wa->address, len, dir); - if (dma_mapping_error(wa->dev, wa->dma.address)) + if (dma_mapping_error(wa->dev, wa->dma.address)) { + kfree(wa->address); + wa->address = NULL; return -ENOMEM; + }

wa->dma.length = len; } diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c index f15fc1fb3707..0888f4489a76 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -1848,9 +1848,8 @@ static int sa_aead_setkey(struct crypto_aead *authenc, crypto_aead_set_flags(ctx->fallback.aead, crypto_aead_get_flags(authenc) & CRYPTO_TFM_REQ_MASK); - crypto_aead_setkey(ctx->fallback.aead, key, keylen);

- return 0; + return crypto_aead_setkey(ctx->fallback.aead, key, keylen); }

static int sa_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize) diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index 2043dd061121..c2a3a10c3484 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -43,7 +43,6 @@ #define FLAGS_MODE_MASK 0x000f #define FLAGS_ENCRYPT BIT(0) #define FLAGS_CBC BIT(1) -#define FLAGS_NEW_KEY BIT(3)

#define SAHARA_HDR_BASE 0x00800000 #define SAHARA_HDR_SKHA_ALG_AES 0 @@ -141,8 +140,6 @@ struct sahara_hw_link { };

struct sahara_ctx { - unsigned long flags; - /* AES-specific context */ int keylen; u8 key[AES_KEYSIZE_128]; @@ -151,6 +148,7 @@ struct sahara_ctx {

struct sahara_aes_reqctx { unsigned long mode; + u8 iv_out[AES_BLOCK_SIZE]; struct skcipher_request fallback_req; // keep at the end };

@@ -446,27 +444,24 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) int ret; int i, j; int idx = 0; + u32 len;

- /* Copy new key if necessary */ - if (ctx->flags & FLAGS_NEW_KEY) { - memcpy(dev->key_base, ctx->key, ctx->keylen); - ctx->flags &= ~FLAGS_NEW_KEY; + memcpy(dev->key_base, ctx->key, ctx->keylen);

- if (dev->flags & FLAGS_CBC) { - dev->hw_desc[idx]->len1 = AES_BLOCK_SIZE; - dev->hw_desc[idx]->p1 = dev->iv_phys_base; - } else { - dev->hw_desc[idx]->len1 = 0; - dev->hw_desc[idx]->p1 = 0; - } - dev->hw_desc[idx]->len2 = ctx->keylen; - dev->hw_desc[idx]->p2 = dev->key_phys_base; - dev->hw_desc[idx]->next = dev->hw_phys_desc[1]; + if (dev->flags & FLAGS_CBC) { + dev->hw_desc[idx]->len1 = AES_BLOCK_SIZE; + dev->hw_desc[idx]->p1 = dev->iv_phys_base; + } else { + dev->hw_desc[idx]->len1 = 0; + dev->hw_desc[idx]->p1 = 0; + } + dev->hw_desc[idx]->len2 = ctx->keylen; + dev->hw_desc[idx]->p2 = dev->key_phys_base; + dev->hw_desc[idx]->next = dev->hw_phys_desc[1]; + dev->hw_desc[idx]->hdr = sahara_aes_key_hdr(dev);

- dev->hw_desc[idx]->hdr = sahara_aes_key_hdr(dev); + idx++;

- idx++; - }

dev->nb_in_sg = sg_nents_for_len(dev->in_sg, dev->total); if (dev->nb_in_sg < 0) { @@ -488,24 +483,27 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) DMA_TO_DEVICE); if (ret != dev->nb_in_sg) { dev_err(dev->device, "couldn't map in sg\n"); - goto unmap_in; + return -EINVAL; } + ret = dma_map_sg(dev->device, dev->out_sg, dev->nb_out_sg, DMA_FROM_DEVICE); if (ret != dev->nb_out_sg) { dev_err(dev->device, "couldn't map out sg\n"); - goto unmap_out; + goto unmap_in; }

/* Create input links */ dev->hw_desc[idx]->p1 = dev->hw_phys_link[0]; sg = dev->in_sg; + len = dev->total; for (i = 0; i < dev->nb_in_sg; i++) { - dev->hw_link[i]->len = sg->length; + dev->hw_link[i]->len = min(len, sg->length); dev->hw_link[i]->p = sg->dma_address; if (i == (dev->nb_in_sg - 1)) { dev->hw_link[i]->next = 0; } else { + len -= min(len, sg->length); dev->hw_link[i]->next = dev->hw_phys_link[i + 1]; sg = sg_next(sg); } @@ -514,12 +512,14 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) /* Create output links */ dev->hw_desc[idx]->p2 = dev->hw_phys_link[i]; sg = dev->out_sg; + len = dev->total; for (j = i; j < dev->nb_out_sg + i; j++) { - dev->hw_link[j]->len = sg->length; + dev->hw_link[j]->len = min(len, sg->length); dev->hw_link[j]->p = sg->dma_address; if (j == (dev->nb_out_sg + i - 1)) { dev->hw_link[j]->next = 0; } else { + len -= min(len, sg->length); dev->hw_link[j]->next = dev->hw_phys_link[j + 1]; sg = sg_next(sg); } @@ -538,9 +538,6 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev)

return 0;

-unmap_out: - dma_unmap_sg(dev->device, dev->out_sg, dev->nb_out_sg, - DMA_FROM_DEVICE); unmap_in: dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg, DMA_TO_DEVICE); @@ -548,8 +545,24 @@ static int sahara_hw_descriptor_create(struct sahara_dev *dev) return -EINVAL; }

+static void sahara_aes_cbc_update_iv(struct skcipher_request *req) +{ + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); + struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); + unsigned int ivsize = crypto_skcipher_ivsize(skcipher); + + /* Update IV buffer to contain the last ciphertext block */ + if (rctx->mode & FLAGS_ENCRYPT) { + sg_pcopy_to_buffer(req->dst, sg_nents(req->dst), req->iv, + ivsize, req->cryptlen - ivsize); + } else { + memcpy(req->iv, rctx->iv_out, ivsize); + } +} + static int sahara_aes_process(struct skcipher_request *req) { + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); struct sahara_dev *dev = dev_ptr; struct sahara_ctx *ctx; struct sahara_aes_reqctx *rctx; @@ -571,8 +584,17 @@ static int sahara_aes_process(struct skcipher_request *req) rctx->mode &= FLAGS_MODE_MASK; dev->flags = (dev->flags & ~FLAGS_MODE_MASK) | rctx->mode;

- if ((dev->flags & FLAGS_CBC) && req->iv) - memcpy(dev->iv_base, req->iv, AES_KEYSIZE_128); + if ((dev->flags & FLAGS_CBC) && req->iv) { + unsigned int ivsize = crypto_skcipher_ivsize(skcipher); + + memcpy(dev->iv_base, req->iv, ivsize); + + if (!(dev->flags & FLAGS_ENCRYPT)) { + sg_pcopy_to_buffer(req->src, sg_nents(req->src), + rctx->iv_out, ivsize, + req->cryptlen - ivsize); + } + }

/* assign new context to device */ dev->ctx = ctx; @@ -585,16 +607,20 @@ static int sahara_aes_process(struct skcipher_request *req)

timeout = wait_for_completion_timeout(&dev->dma_completion, msecs_to_jiffies(SAHARA_TIMEOUT_MS)); - if (!timeout) { - dev_err(dev->device, "AES timeout\n"); - return -ETIMEDOUT; - }

dma_unmap_sg(dev->device, dev->out_sg, dev->nb_out_sg, DMA_FROM_DEVICE); dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg, DMA_TO_DEVICE);

+ if (!timeout) { + dev_err(dev->device, "AES timeout\n"); + return -ETIMEDOUT; + } + + if ((dev->flags & FLAGS_CBC) && req->iv) + sahara_aes_cbc_update_iv(req); + return 0; }

@@ -608,7 +634,6 @@ static int sahara_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, /* SAHARA only supports 128bit keys */ if (keylen == AES_KEYSIZE_128) { memcpy(ctx->key, key, keylen); - ctx->flags |= FLAGS_NEW_KEY; return 0; }

@@ -624,12 +649,40 @@ static int sahara_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, return crypto_skcipher_setkey(ctx->fallback, key, keylen); }

+static int sahara_aes_fallback(struct skcipher_request *req, unsigned long mode) +{ + struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); + struct sahara_ctx *ctx = crypto_skcipher_ctx( + crypto_skcipher_reqtfm(req)); + + skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); + skcipher_request_set_callback(&rctx->fallback_req, + req->base.flags, + req->base.complete, + req->base.data); + skcipher_request_set_crypt(&rctx->fallback_req, req->src, + req->dst, req->cryptlen, req->iv); + + if (mode & FLAGS_ENCRYPT) + return crypto_skcipher_encrypt(&rctx->fallback_req); + + return crypto_skcipher_decrypt(&rctx->fallback_req); +} + static int sahara_aes_crypt(struct skcipher_request *req, unsigned long mode) { struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); + struct sahara_ctx *ctx = crypto_skcipher_ctx( + crypto_skcipher_reqtfm(req)); struct sahara_dev *dev = dev_ptr; int err = 0;

+ if (!req->cryptlen) + return 0; + + if (unlikely(ctx->keylen != AES_KEYSIZE_128)) + return sahara_aes_fallback(req, mode); + dev_dbg(dev->device, "nbytes: %d, enc: %d, cbc: %d\n", req->cryptlen, !!(mode & FLAGS_ENCRYPT), !!(mode & FLAGS_CBC));

@@ -652,81 +705,21 @@ static int sahara_aes_crypt(struct skcipher_request *req, unsigned long mode)

static int sahara_aes_ecb_encrypt(struct skcipher_request *req) { - struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); - struct sahara_ctx *ctx = crypto_skcipher_ctx( - crypto_skcipher_reqtfm(req)); - - if (unlikely(ctx->keylen != AES_KEYSIZE_128)) { - skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); - skcipher_request_set_callback(&rctx->fallback_req, - req->base.flags, - req->base.complete, - req->base.data); - skcipher_request_set_crypt(&rctx->fallback_req, req->src, - req->dst, req->cryptlen, req->iv); - return crypto_skcipher_encrypt(&rctx->fallback_req); - } - return sahara_aes_crypt(req, FLAGS_ENCRYPT); }

static int sahara_aes_ecb_decrypt(struct skcipher_request *req) { - struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); - struct sahara_ctx *ctx = crypto_skcipher_ctx( - crypto_skcipher_reqtfm(req)); - - if (unlikely(ctx->keylen != AES_KEYSIZE_128)) { - skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); - skcipher_request_set_callback(&rctx->fallback_req, - req->base.flags, - req->base.complete, - req->base.data); - skcipher_request_set_crypt(&rctx->fallback_req, req->src, - req->dst, req->cryptlen, req->iv); - return crypto_skcipher_decrypt(&rctx->fallback_req); - } - return sahara_aes_crypt(req, 0); }

static int sahara_aes_cbc_encrypt(struct skcipher_request *req) { - struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); - struct sahara_ctx *ctx = crypto_skcipher_ctx( - crypto_skcipher_reqtfm(req)); - - if (unlikely(ctx->keylen != AES_KEYSIZE_128)) { - skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); - skcipher_request_set_callback(&rctx->fallback_req, - req->base.flags, - req->base.complete, - req->base.data); - skcipher_request_set_crypt(&rctx->fallback_req, req->src, - req->dst, req->cryptlen, req->iv); - return crypto_skcipher_encrypt(&rctx->fallback_req); - } - return sahara_aes_crypt(req, FLAGS_ENCRYPT | FLAGS_CBC); }

static int sahara_aes_cbc_decrypt(struct skcipher_request *req) { - struct sahara_aes_reqctx *rctx = skcipher_request_ctx(req); - struct sahara_ctx *ctx = crypto_skcipher_ctx( - crypto_skcipher_reqtfm(req)); - - if (unlikely(ctx->keylen != AES_KEYSIZE_128)) { - skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); - skcipher_request_set_callback(&rctx->fallback_req, - req->base.flags, - req->base.complete, - req->base.data); - skcipher_request_set_crypt(&rctx->fallback_req, req->src, - req->dst, req->cryptlen, req->iv); - return crypto_skcipher_decrypt(&rctx->fallback_req); - } - return sahara_aes_crypt(req, FLAGS_CBC); }

@@ -783,6 +776,7 @@ static int sahara_sha_hw_links_create(struct sahara_dev *dev, int start) { struct scatterlist *sg; + unsigned int len; unsigned int i; int ret;

@@ -804,12 +798,14 @@ static int sahara_sha_hw_links_create(struct sahara_dev *dev, if (!ret) return -EFAULT;

+ len = rctx->total; for (i = start; i < dev->nb_in_sg + start; i++) { - dev->hw_link[i]->len = sg->length; + dev->hw_link[i]->len = min(len, sg->length); dev->hw_link[i]->p = sg->dma_address; if (i == (dev->nb_in_sg + start - 1)) { dev->hw_link[i]->next = 0; } else { + len -= min(len, sg->length); dev->hw_link[i]->next = dev->hw_phys_link[i + 1]; sg = sg_next(sg); } @@ -890,24 +886,6 @@ static int sahara_sha_hw_context_descriptor_create(struct sahara_dev *dev, return 0; }

-static int sahara_walk_and_recalc(struct scatterlist *sg, unsigned int nbytes) -{ - if (!sg || !sg->length) - return nbytes; - - while (nbytes && sg) { - if (nbytes <= sg->length) { - sg->length = nbytes; - sg_mark_end(sg); - break; - } - nbytes -= sg->length; - sg = sg_next(sg); - } - - return nbytes; -} - static int sahara_sha_prepare_request(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -944,36 +922,20 @@ static int sahara_sha_prepare_request(struct ahash_request *req) hash_later, 0); }

- /* nbytes should now be multiple of blocksize */ - req->nbytes = req->nbytes - hash_later; - - sahara_walk_and_recalc(req->src, req->nbytes); - + rctx->total = len - hash_later; /* have data from previous operation and current */ if (rctx->buf_cnt && req->nbytes) { sg_init_table(rctx->in_sg_chain, 2); sg_set_buf(rctx->in_sg_chain, rctx->rembuf, rctx->buf_cnt); - sg_chain(rctx->in_sg_chain, 2, req->src); - - rctx->total = req->nbytes + rctx->buf_cnt; rctx->in_sg = rctx->in_sg_chain; - - req->src = rctx->in_sg_chain; /* only data from previous operation */ } else if (rctx->buf_cnt) { - if (req->src) - rctx->in_sg = req->src; - else - rctx->in_sg = rctx->in_sg_chain; - /* buf was copied into rembuf above */ + rctx->in_sg = rctx->in_sg_chain; sg_init_one(rctx->in_sg, rctx->rembuf, rctx->buf_cnt); - rctx->total = rctx->buf_cnt; /* no data from previous operation */ } else { rctx->in_sg = req->src; - rctx->total = req->nbytes; - req->src = rctx->in_sg; }

/* on next call, we only have the remaining data in the buffer */ @@ -994,7 +956,10 @@ static int sahara_sha_process(struct ahash_request *req) return ret;

if (rctx->first) { - sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0); + ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 0); + if (ret) + return ret; + dev->hw_desc[0]->next = 0; rctx->first = 0; } else { @@ -1002,7 +967,10 @@ static int sahara_sha_process(struct ahash_request *req)

sahara_sha_hw_context_descriptor_create(dev, rctx, req, 0); dev->hw_desc[0]->next = dev->hw_phys_desc[1]; - sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1); + ret = sahara_sha_hw_data_descriptor_create(dev, rctx, req, 1); + if (ret) + return ret; + dev->hw_desc[1]->next = 0; }

@@ -1015,18 +983,19 @@ static int sahara_sha_process(struct ahash_request *req)

timeout = wait_for_completion_timeout(&dev->dma_completion, msecs_to_jiffies(SAHARA_TIMEOUT_MS)); - if (!timeout) { - dev_err(dev->device, "SHA timeout\n"); - return -ETIMEDOUT; - }

if (rctx->sg_in_idx) dma_unmap_sg(dev->device, dev->in_sg, dev->nb_in_sg, DMA_TO_DEVICE);

+ if (!timeout) { + dev_err(dev->device, "SHA timeout\n"); + return -ETIMEDOUT; + } + memcpy(rctx->context, dev->context_base, rctx->context_size);

- if (req->result) + if (req->result && rctx->last) memcpy(req->result, rctx->context, rctx->digest_size);

return 0; @@ -1170,8 +1139,7 @@ static int sahara_sha_import(struct ahash_request *req, const void *in) static int sahara_sha_cra_init(struct crypto_tfm *tfm) { crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), - sizeof(struct sahara_sha_reqctx) + - SHA_BUFFER_LEN + SHA256_BLOCK_SIZE); + sizeof(struct sahara_sha_reqctx));

return 0; } diff --git a/drivers/crypto/virtio/Kconfig b/drivers/crypto/virtio/Kconfig index b894e3a8be4f..5f8915f4a9ff 100644 --- a/drivers/crypto/virtio/Kconfig +++ b/drivers/crypto/virtio/Kconfig @@ -3,8 +3,11 @@ config CRYPTO_DEV_VIRTIO tristate "VirtIO crypto driver" depends on VIRTIO select CRYPTO_AEAD + select CRYPTO_AKCIPHER2 select CRYPTO_SKCIPHER select CRYPTO_ENGINE + select CRYPTO_RSA + select MPILIB help This driver provides support for virtio crypto device. If you choose 'M' here, this module will be called virtio_crypto. diff --git a/drivers/crypto/virtio/Makefile b/drivers/crypto/virtio/Makefile index cbfccccfa135..f2b839473d61 100644 --- a/drivers/crypto/virtio/Makefile +++ b/drivers/crypto/virtio/Makefile @@ -2,5 +2,6 @@ obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio_crypto.o virtio_crypto-objs := \ virtio_crypto_algs.o \ + virtio_crypto_akcipher_algs.o \ virtio_crypto_mgr.o \ virtio_crypto_core.o diff --git a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c new file mode 100644 index 000000000000..2cfc36d141c0 --- /dev/null +++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c @@ -0,0 +1,591 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + /* Asymmetric algorithms supported by virtio crypto device + * + * Authors: zhenwei pi pizhenwei@bytedance.com + * lei he helei.sig11@bytedance.com + * + * Copyright 2022 Bytedance CO., LTD. + */ + +#include <linux/mpi.h> +#include <linux/scatterlist.h> +#include <crypto/algapi.h> +#include <crypto/internal/akcipher.h> +#include <crypto/internal/rsa.h> +#include <linux/err.h> +#include <crypto/scatterwalk.h> +#include <linux/atomic.h> + +#include <uapi/linux/virtio_crypto.h> +#include "virtio_crypto_common.h" + +struct virtio_crypto_rsa_ctx { + MPI n; +}; + +struct virtio_crypto_akcipher_ctx { + struct crypto_engine_ctx enginectx; + struct virtio_crypto *vcrypto; + struct crypto_akcipher *tfm; + bool session_valid; + __u64 session_id; + union { + struct virtio_crypto_rsa_ctx rsa_ctx; + }; +}; + +struct virtio_crypto_akcipher_request { + struct virtio_crypto_request base; + struct virtio_crypto_akcipher_ctx *akcipher_ctx; + struct akcipher_request *akcipher_req; + void *src_buf; + void *dst_buf; + uint32_t opcode; +}; + +struct virtio_crypto_akcipher_algo { + uint32_t algonum; + uint32_t service; + unsigned int active_devs; + struct akcipher_alg algo; +}; + +static DEFINE_MUTEX(algs_lock); + +static void virtio_crypto_akcipher_finalize_req( + struct virtio_crypto_akcipher_request *vc_akcipher_req, + struct akcipher_request *req, int err) +{ + kfree(vc_akcipher_req->src_buf); + kfree(vc_akcipher_req->dst_buf); + vc_akcipher_req->src_buf = NULL; + vc_akcipher_req->dst_buf = NULL; + virtcrypto_clear_request(&vc_akcipher_req->base); + + crypto_finalize_akcipher_request(vc_akcipher_req->base.dataq->engine, req, err); +} + +static void virtio_crypto_dataq_akcipher_callback(struct virtio_crypto_request *vc_req, int len) +{ + struct virtio_crypto_akcipher_request *vc_akcipher_req = + container_of(vc_req, struct virtio_crypto_akcipher_request, base); + struct akcipher_request *akcipher_req; + int error; + + switch (vc_req->status) { + case VIRTIO_CRYPTO_OK: + error = 0; + break; + case VIRTIO_CRYPTO_INVSESS: + case VIRTIO_CRYPTO_ERR: + error = -EINVAL; + break; + case VIRTIO_CRYPTO_BADMSG: + error = -EBADMSG; + break; + + case VIRTIO_CRYPTO_KEY_REJECTED: + error = -EKEYREJECTED; + break; + + default: + error = -EIO; + break; + } + + akcipher_req = vc_akcipher_req->akcipher_req; + if (vc_akcipher_req->opcode != VIRTIO_CRYPTO_AKCIPHER_VERIFY) + sg_copy_from_buffer(akcipher_req->dst, sg_nents(akcipher_req->dst), + vc_akcipher_req->dst_buf, akcipher_req->dst_len); + virtio_crypto_akcipher_finalize_req(vc_akcipher_req, akcipher_req, error); +} + +static int virtio_crypto_alg_akcipher_init_session(struct virtio_crypto_akcipher_ctx *ctx, + struct virtio_crypto_ctrl_header *header, void *para, + const uint8_t *key, unsigned int keylen) +{ + struct scatterlist outhdr_sg, key_sg, inhdr_sg, *sgs[3]; + struct virtio_crypto *vcrypto = ctx->vcrypto; + uint8_t *pkey; + int err; + unsigned int num_out = 0, num_in = 0; + struct virtio_crypto_op_ctrl_req *ctrl; + struct virtio_crypto_session_input *input; + struct virtio_crypto_ctrl_request *vc_ctrl_req; + + pkey = kmemdup(key, keylen, GFP_ATOMIC); + if (!pkey) + return -ENOMEM; + + vc_ctrl_req = kzalloc(sizeof(*vc_ctrl_req), GFP_KERNEL); + if (!vc_ctrl_req) { + err = -ENOMEM; + goto out; + } + + ctrl = &vc_ctrl_req->ctrl; + memcpy(&ctrl->header, header, sizeof(ctrl->header)); + memcpy(&ctrl->u, para, sizeof(ctrl->u)); + input = &vc_ctrl_req->input; + input->status = cpu_to_le32(VIRTIO_CRYPTO_ERR); + + sg_init_one(&outhdr_sg, ctrl, sizeof(*ctrl)); + sgs[num_out++] = &outhdr_sg; + + sg_init_one(&key_sg, pkey, keylen); + sgs[num_out++] = &key_sg; + + sg_init_one(&inhdr_sg, input, sizeof(*input)); + sgs[num_out + num_in++] = &inhdr_sg; + + err = virtio_crypto_ctrl_vq_request(vcrypto, sgs, num_out, num_in, vc_ctrl_req); + if (err < 0) + goto out; + + if (le32_to_cpu(input->status) != VIRTIO_CRYPTO_OK) { + pr_err("virtio_crypto: Create session failed status: %u\n", + le32_to_cpu(input->status)); + err = -EINVAL; + goto out; + } + + ctx->session_id = le64_to_cpu(input->session_id); + ctx->session_valid = true; + err = 0; + +out: + kfree(vc_ctrl_req); + kfree_sensitive(pkey); + + return err; +} + +static int virtio_crypto_alg_akcipher_close_session(struct virtio_crypto_akcipher_ctx *ctx) +{ + struct scatterlist outhdr_sg, inhdr_sg, *sgs[2]; + struct virtio_crypto_destroy_session_req *destroy_session; + struct virtio_crypto *vcrypto = ctx->vcrypto; + unsigned int num_out = 0, num_in = 0; + int err; + struct virtio_crypto_op_ctrl_req *ctrl; + struct virtio_crypto_inhdr *ctrl_status; + struct virtio_crypto_ctrl_request *vc_ctrl_req; + + if (!ctx->session_valid) + return 0; + + vc_ctrl_req = kzalloc(sizeof(*vc_ctrl_req), GFP_KERNEL); + if (!vc_ctrl_req) + return -ENOMEM; + + ctrl_status = &vc_ctrl_req->ctrl_status; + ctrl_status->status = VIRTIO_CRYPTO_ERR; + ctrl = &vc_ctrl_req->ctrl; + ctrl->header.opcode = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_DESTROY_SESSION); + ctrl->header.queue_id = 0; + + destroy_session = &ctrl->u.destroy_session; + destroy_session->session_id = cpu_to_le64(ctx->session_id); + + sg_init_one(&outhdr_sg, ctrl, sizeof(*ctrl)); + sgs[num_out++] = &outhdr_sg; + + sg_init_one(&inhdr_sg, &ctrl_status->status, sizeof(ctrl_status->status)); + sgs[num_out + num_in++] = &inhdr_sg; + + err = virtio_crypto_ctrl_vq_request(vcrypto, sgs, num_out, num_in, vc_ctrl_req); + if (err < 0) + goto out; + + if (ctrl_status->status != VIRTIO_CRYPTO_OK) { + pr_err("virtio_crypto: Close session failed status: %u, session_id: 0x%llx\n", + ctrl_status->status, destroy_session->session_id); + err = -EINVAL; + goto out; + } + + err = 0; + ctx->session_valid = false; + +out: + kfree(vc_ctrl_req); + + return err; +} + +static int __virtio_crypto_akcipher_do_req(struct virtio_crypto_akcipher_request *vc_akcipher_req, + struct akcipher_request *req, struct data_queue *data_vq) +{ + struct virtio_crypto_akcipher_ctx *ctx = vc_akcipher_req->akcipher_ctx; + struct virtio_crypto_request *vc_req = &vc_akcipher_req->base; + struct virtio_crypto *vcrypto = ctx->vcrypto; + struct virtio_crypto_op_data_req *req_data = vc_req->req_data; + struct scatterlist *sgs[4], outhdr_sg, inhdr_sg, srcdata_sg, dstdata_sg; + void *src_buf = NULL, *dst_buf = NULL; + unsigned int num_out = 0, num_in = 0; + int node = dev_to_node(&vcrypto->vdev->dev); + unsigned long flags; + int ret = -ENOMEM; + bool verify = vc_akcipher_req->opcode == VIRTIO_CRYPTO_AKCIPHER_VERIFY; + unsigned int src_len = verify ? req->src_len + req->dst_len : req->src_len; + + /* out header */ + sg_init_one(&outhdr_sg, req_data, sizeof(*req_data)); + sgs[num_out++] = &outhdr_sg; + + /* src data */ + src_buf = kcalloc_node(src_len, 1, GFP_KERNEL, node); + if (!src_buf) + goto err; + + if (verify) { + /* for verify operation, both src and dst data work as OUT direction */ + sg_copy_to_buffer(req->src, sg_nents(req->src), src_buf, src_len); + sg_init_one(&srcdata_sg, src_buf, src_len); + sgs[num_out++] = &srcdata_sg; + } else { + sg_copy_to_buffer(req->src, sg_nents(req->src), src_buf, src_len); + sg_init_one(&srcdata_sg, src_buf, src_len); + sgs[num_out++] = &srcdata_sg; + + /* dst data */ + dst_buf = kcalloc_node(req->dst_len, 1, GFP_KERNEL, node); + if (!dst_buf) + goto err; + + sg_init_one(&dstdata_sg, dst_buf, req->dst_len); + sgs[num_out + num_in++] = &dstdata_sg; + } + + vc_akcipher_req->src_buf = src_buf; + vc_akcipher_req->dst_buf = dst_buf; + + /* in header */ + sg_init_one(&inhdr_sg, &vc_req->status, sizeof(vc_req->status)); + sgs[num_out + num_in++] = &inhdr_sg; + + spin_lock_irqsave(&data_vq->lock, flags); + ret = virtqueue_add_sgs(data_vq->vq, sgs, num_out, num_in, vc_req, GFP_ATOMIC); + virtqueue_kick(data_vq->vq); + spin_unlock_irqrestore(&data_vq->lock, flags); + if (ret) + goto err; + + return 0; + +err: + kfree(src_buf); + kfree(dst_buf); + + return -ENOMEM; +} + +static int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq) +{ + struct akcipher_request *req = container_of(vreq, struct akcipher_request, base); + struct virtio_crypto_akcipher_request *vc_akcipher_req = akcipher_request_ctx(req); + struct virtio_crypto_request *vc_req = &vc_akcipher_req->base; + struct virtio_crypto_akcipher_ctx *ctx = vc_akcipher_req->akcipher_ctx; + struct virtio_crypto *vcrypto = ctx->vcrypto; + struct data_queue *data_vq = vc_req->dataq; + struct virtio_crypto_op_header *header; + struct virtio_crypto_akcipher_data_req *akcipher_req; + int ret; + + vc_req->sgs = NULL; + vc_req->req_data = kzalloc_node(sizeof(*vc_req->req_data), + GFP_KERNEL, dev_to_node(&vcrypto->vdev->dev)); + if (!vc_req->req_data) + return -ENOMEM; + + /* build request header */ + header = &vc_req->req_data->header; + header->opcode = cpu_to_le32(vc_akcipher_req->opcode); + header->algo = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_RSA); + header->session_id = cpu_to_le64(ctx->session_id); + + /* build request akcipher data */ + akcipher_req = &vc_req->req_data->u.akcipher_req; + akcipher_req->para.src_data_len = cpu_to_le32(req->src_len); + akcipher_req->para.dst_data_len = cpu_to_le32(req->dst_len); + + ret = __virtio_crypto_akcipher_do_req(vc_akcipher_req, req, data_vq); + if (ret < 0) { + kfree_sensitive(vc_req->req_data); + vc_req->req_data = NULL; + return ret; + } + + return 0; +} + +static int virtio_crypto_rsa_req(struct akcipher_request *req, uint32_t opcode) +{ + struct crypto_akcipher *atfm = crypto_akcipher_reqtfm(req); + struct virtio_crypto_akcipher_ctx *ctx = akcipher_tfm_ctx(atfm); + struct virtio_crypto_akcipher_request *vc_akcipher_req = akcipher_request_ctx(req); + struct virtio_crypto_request *vc_req = &vc_akcipher_req->base; + struct virtio_crypto *vcrypto = ctx->vcrypto; + /* Use the first data virtqueue as default */ + struct data_queue *data_vq = &vcrypto->data_vq[0]; + + vc_req->dataq = data_vq; + vc_req->alg_cb = virtio_crypto_dataq_akcipher_callback; + vc_akcipher_req->akcipher_ctx = ctx; + vc_akcipher_req->akcipher_req = req; + vc_akcipher_req->opcode = opcode; + + return crypto_transfer_akcipher_request_to_engine(data_vq->engine, req); +} + +static int virtio_crypto_rsa_encrypt(struct akcipher_request *req) +{ + return virtio_crypto_rsa_req(req, VIRTIO_CRYPTO_AKCIPHER_ENCRYPT); +} + +static int virtio_crypto_rsa_decrypt(struct akcipher_request *req) +{ + return virtio_crypto_rsa_req(req, VIRTIO_CRYPTO_AKCIPHER_DECRYPT); +} + +static int virtio_crypto_rsa_sign(struct akcipher_request *req) +{ + return virtio_crypto_rsa_req(req, VIRTIO_CRYPTO_AKCIPHER_SIGN); +} + +static int virtio_crypto_rsa_verify(struct akcipher_request *req) +{ + return virtio_crypto_rsa_req(req, VIRTIO_CRYPTO_AKCIPHER_VERIFY); +} + +static int virtio_crypto_rsa_set_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen, + bool private, + int padding_algo, + int hash_algo) +{ + struct virtio_crypto_akcipher_ctx *ctx = akcipher_tfm_ctx(tfm); + struct virtio_crypto_rsa_ctx *rsa_ctx = &ctx->rsa_ctx; + struct virtio_crypto *vcrypto; + struct virtio_crypto_ctrl_header header; + struct virtio_crypto_akcipher_session_para para; + struct rsa_key rsa_key = {0}; + int node = virtio_crypto_get_current_node(); + uint32_t keytype; + int ret; + + /* mpi_free will test n, just free it. */ + mpi_free(rsa_ctx->n); + rsa_ctx->n = NULL; + + if (private) { + keytype = VIRTIO_CRYPTO_AKCIPHER_KEY_TYPE_PRIVATE; + ret = rsa_parse_priv_key(&rsa_key, key, keylen); + } else { + keytype = VIRTIO_CRYPTO_AKCIPHER_KEY_TYPE_PUBLIC; + ret = rsa_parse_pub_key(&rsa_key, key, keylen); + } + + if (ret) + return ret; + + rsa_ctx->n = mpi_read_raw_data(rsa_key.n, rsa_key.n_sz); + if (!rsa_ctx->n) + return -ENOMEM; + + if (!ctx->vcrypto) { + vcrypto = virtcrypto_get_dev_node(node, VIRTIO_CRYPTO_SERVICE_AKCIPHER, + VIRTIO_CRYPTO_AKCIPHER_RSA); + if (!vcrypto) { + pr_err("virtio_crypto: Could not find a virtio device in the system or unsupported algo\n"); + return -ENODEV; + } + + ctx->vcrypto = vcrypto; + } else { + virtio_crypto_alg_akcipher_close_session(ctx); + } + + /* set ctrl header */ + header.opcode = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_CREATE_SESSION); + header.algo = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_RSA); + header.queue_id = 0; + + /* set RSA para */ + para.algo = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_RSA); + para.keytype = cpu_to_le32(keytype); + para.keylen = cpu_to_le32(keylen); + para.u.rsa.padding_algo = cpu_to_le32(padding_algo); + para.u.rsa.hash_algo = cpu_to_le32(hash_algo); + + return virtio_crypto_alg_akcipher_init_session(ctx, &header, &para, key, keylen); +} + +static int virtio_crypto_rsa_raw_set_priv_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) +{ + return virtio_crypto_rsa_set_key(tfm, key, keylen, 1, + VIRTIO_CRYPTO_RSA_RAW_PADDING, + VIRTIO_CRYPTO_RSA_NO_HASH); +} + + +static int virtio_crypto_p1pad_rsa_sha1_set_priv_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) +{ + return virtio_crypto_rsa_set_key(tfm, key, keylen, 1, + VIRTIO_CRYPTO_RSA_PKCS1_PADDING, + VIRTIO_CRYPTO_RSA_SHA1); +} + +static int virtio_crypto_rsa_raw_set_pub_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) +{ + return virtio_crypto_rsa_set_key(tfm, key, keylen, 0, + VIRTIO_CRYPTO_RSA_RAW_PADDING, + VIRTIO_CRYPTO_RSA_NO_HASH); +} + +static int virtio_crypto_p1pad_rsa_sha1_set_pub_key(struct crypto_akcipher *tfm, + const void *key, + unsigned int keylen) +{ + return virtio_crypto_rsa_set_key(tfm, key, keylen, 0, + VIRTIO_CRYPTO_RSA_PKCS1_PADDING, + VIRTIO_CRYPTO_RSA_SHA1); +} + +static unsigned int virtio_crypto_rsa_max_size(struct crypto_akcipher *tfm) +{ + struct virtio_crypto_akcipher_ctx *ctx = akcipher_tfm_ctx(tfm); + struct virtio_crypto_rsa_ctx *rsa_ctx = &ctx->rsa_ctx; + + return mpi_get_size(rsa_ctx->n); +} + +static int virtio_crypto_rsa_init_tfm(struct crypto_akcipher *tfm) +{ + struct virtio_crypto_akcipher_ctx *ctx = akcipher_tfm_ctx(tfm); + + ctx->tfm = tfm; + ctx->enginectx.op.do_one_request = virtio_crypto_rsa_do_req; + ctx->enginectx.op.prepare_request = NULL; + ctx->enginectx.op.unprepare_request = NULL; + + return 0; +} + +static void virtio_crypto_rsa_exit_tfm(struct crypto_akcipher *tfm) +{ + struct virtio_crypto_akcipher_ctx *ctx = akcipher_tfm_ctx(tfm); + struct virtio_crypto_rsa_ctx *rsa_ctx = &ctx->rsa_ctx; + + virtio_crypto_alg_akcipher_close_session(ctx); + virtcrypto_dev_put(ctx->vcrypto); + mpi_free(rsa_ctx->n); + rsa_ctx->n = NULL; +} + +static struct virtio_crypto_akcipher_algo virtio_crypto_akcipher_algs[] = { + { + .algonum = VIRTIO_CRYPTO_AKCIPHER_RSA, + .service = VIRTIO_CRYPTO_SERVICE_AKCIPHER, + .algo = { + .encrypt = virtio_crypto_rsa_encrypt, + .decrypt = virtio_crypto_rsa_decrypt, + .set_pub_key = virtio_crypto_rsa_raw_set_pub_key, + .set_priv_key = virtio_crypto_rsa_raw_set_priv_key, + .max_size = virtio_crypto_rsa_max_size, + .init = virtio_crypto_rsa_init_tfm, + .exit = virtio_crypto_rsa_exit_tfm, + .reqsize = sizeof(struct virtio_crypto_akcipher_request), + .base = { + .cra_name = "rsa", + .cra_driver_name = "virtio-crypto-rsa", + .cra_priority = 150, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct virtio_crypto_akcipher_ctx), + }, + }, + }, + { + .algonum = VIRTIO_CRYPTO_AKCIPHER_RSA, + .service = VIRTIO_CRYPTO_SERVICE_AKCIPHER, + .algo = { + .encrypt = virtio_crypto_rsa_encrypt, + .decrypt = virtio_crypto_rsa_decrypt, + .sign = virtio_crypto_rsa_sign, + .verify = virtio_crypto_rsa_verify, + .set_pub_key = virtio_crypto_p1pad_rsa_sha1_set_pub_key, + .set_priv_key = virtio_crypto_p1pad_rsa_sha1_set_priv_key, + .max_size = virtio_crypto_rsa_max_size, + .init = virtio_crypto_rsa_init_tfm, + .exit = virtio_crypto_rsa_exit_tfm, + .reqsize = sizeof(struct virtio_crypto_akcipher_request), + .base = { + .cra_name = "pkcs1pad(rsa,sha1)", + .cra_driver_name = "virtio-pkcs1-rsa-with-sha1", + .cra_priority = 150, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct virtio_crypto_akcipher_ctx), + }, + }, + }, +}; + +int virtio_crypto_akcipher_algs_register(struct virtio_crypto *vcrypto) +{ + int ret = 0; + int i = 0; + + mutex_lock(&algs_lock); + + for (i = 0; i < ARRAY_SIZE(virtio_crypto_akcipher_algs); i++) { + uint32_t service = virtio_crypto_akcipher_algs[i].service; + uint32_t algonum = virtio_crypto_akcipher_algs[i].algonum; + + if (!virtcrypto_algo_is_supported(vcrypto, service, algonum)) + continue; + + if (virtio_crypto_akcipher_algs[i].active_devs == 0) { + ret = crypto_register_akcipher(&virtio_crypto_akcipher_algs[i].algo); + if (ret) + goto unlock; + } + + virtio_crypto_akcipher_algs[i].active_devs++; + dev_info(&vcrypto->vdev->dev, "Registered akcipher algo %s\n", + virtio_crypto_akcipher_algs[i].algo.base.cra_name); + } + +unlock: + mutex_unlock(&algs_lock); + return ret; +} + +void virtio_crypto_akcipher_algs_unregister(struct virtio_crypto *vcrypto) +{ + int i = 0; + + mutex_lock(&algs_lock); + + for (i = 0; i < ARRAY_SIZE(virtio_crypto_akcipher_algs); i++) { + uint32_t service = virtio_crypto_akcipher_algs[i].service; + uint32_t algonum = virtio_crypto_akcipher_algs[i].algonum; + + if (virtio_crypto_akcipher_algs[i].active_devs == 0 || + !virtcrypto_algo_is_supported(vcrypto, service, algonum)) + continue; + + if (virtio_crypto_akcipher_algs[i].active_devs == 1) + crypto_unregister_akcipher(&virtio_crypto_akcipher_algs[i].algo); + + virtio_crypto_akcipher_algs[i].active_devs--; + } + + mutex_unlock(&algs_lock); +} diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index 583c0b535d13..ae645c9d47a7 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -118,11 +118,14 @@ static int virtio_crypto_alg_skcipher_init_session( int encrypt) { struct scatterlist outhdr, key_sg, inhdr, *sgs[3]; - unsigned int tmp; struct virtio_crypto *vcrypto = ctx->vcrypto; int op = encrypt ? VIRTIO_CRYPTO_OP_ENCRYPT : VIRTIO_CRYPTO_OP_DECRYPT; int err; unsigned int num_out = 0, num_in = 0; + struct virtio_crypto_op_ctrl_req *ctrl; + struct virtio_crypto_session_input *input; + struct virtio_crypto_sym_create_session_req *sym_create_session; + struct virtio_crypto_ctrl_request *vc_ctrl_req;

/* * Avoid to do DMA from the stack, switch to using @@ -133,26 +136,29 @@ static int virtio_crypto_alg_skcipher_init_session( if (!cipher_key) return -ENOMEM;

- spin_lock(&vcrypto->ctrl_lock); + vc_ctrl_req = kzalloc(sizeof(*vc_ctrl_req), GFP_KERNEL); + if (!vc_ctrl_req) { + err = -ENOMEM; + goto out; + } + /* Pad ctrl header */ - vcrypto->ctrl.header.opcode = - cpu_to_le32(VIRTIO_CRYPTO_CIPHER_CREATE_SESSION); - vcrypto->ctrl.header.algo = cpu_to_le32(alg); + ctrl = &vc_ctrl_req->ctrl; + ctrl->header.opcode = cpu_to_le32(VIRTIO_CRYPTO_CIPHER_CREATE_SESSION); + ctrl->header.algo = cpu_to_le32(alg); /* Set the default dataqueue id to 0 */ - vcrypto->ctrl.header.queue_id = 0; + ctrl->header.queue_id = 0;

- vcrypto->input.status = cpu_to_le32(VIRTIO_CRYPTO_ERR); + input = &vc_ctrl_req->input; + input->status = cpu_to_le32(VIRTIO_CRYPTO_ERR); /* Pad cipher's parameters */ - vcrypto->ctrl.u.sym_create_session.op_type = - cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER); - vcrypto->ctrl.u.sym_create_session.u.cipher.para.algo = - vcrypto->ctrl.header.algo; - vcrypto->ctrl.u.sym_create_session.u.cipher.para.keylen = - cpu_to_le32(keylen); - vcrypto->ctrl.u.sym_create_session.u.cipher.para.op = - cpu_to_le32(op); - - sg_init_one(&outhdr, &vcrypto->ctrl, sizeof(vcrypto->ctrl)); + sym_create_session = &ctrl->u.sym_create_session; + sym_create_session->op_type = cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER); + sym_create_session->u.cipher.para.algo = ctrl->header.algo; + sym_create_session->u.cipher.para.keylen = cpu_to_le32(keylen); + sym_create_session->u.cipher.para.op = cpu_to_le32(op); + + sg_init_one(&outhdr, ctrl, sizeof(*ctrl)); sgs[num_out++] = &outhdr;

/* Set key */ @@ -160,45 +166,30 @@ static int virtio_crypto_alg_skcipher_init_session( sgs[num_out++] = &key_sg;

/* Return status and session id back */ - sg_init_one(&inhdr, &vcrypto->input, sizeof(vcrypto->input)); + sg_init_one(&inhdr, input, sizeof(*input)); sgs[num_out + num_in++] = &inhdr;

- err = virtqueue_add_sgs(vcrypto->ctrl_vq, sgs, num_out, - num_in, vcrypto, GFP_ATOMIC); - if (err < 0) { - spin_unlock(&vcrypto->ctrl_lock); - kfree_sensitive(cipher_key); - return err; - } - virtqueue_kick(vcrypto->ctrl_vq); - - /* - * Trapping into the hypervisor, so the request should be - * handled immediately. - */ - while (!virtqueue_get_buf(vcrypto->ctrl_vq, &tmp) && - !virtqueue_is_broken(vcrypto->ctrl_vq)) - cpu_relax(); + err = virtio_crypto_ctrl_vq_request(vcrypto, sgs, num_out, num_in, vc_ctrl_req); + if (err < 0) + goto out;

- if (le32_to_cpu(vcrypto->input.status) != VIRTIO_CRYPTO_OK) { - spin_unlock(&vcrypto->ctrl_lock); + if (le32_to_cpu(input->status) != VIRTIO_CRYPTO_OK) { pr_err("virtio_crypto: Create session failed status: %u\n", - le32_to_cpu(vcrypto->input.status)); - kfree_sensitive(cipher_key); - return -EINVAL; + le32_to_cpu(input->status)); + err = -EINVAL; + goto out; }

if (encrypt) - ctx->enc_sess_info.session_id = - le64_to_cpu(vcrypto->input.session_id); + ctx->enc_sess_info.session_id = le64_to_cpu(input->session_id); else - ctx->dec_sess_info.session_id = - le64_to_cpu(vcrypto->input.session_id); - - spin_unlock(&vcrypto->ctrl_lock); + ctx->dec_sess_info.session_id = le64_to_cpu(input->session_id);

+ err = 0; +out: + kfree(vc_ctrl_req); kfree_sensitive(cipher_key); - return 0; + return err; }

static int virtio_crypto_alg_skcipher_close_session( @@ -206,60 +197,56 @@ static int virtio_crypto_alg_skcipher_close_session( int encrypt) { struct scatterlist outhdr, status_sg, *sgs[2]; - unsigned int tmp; struct virtio_crypto_destroy_session_req *destroy_session; struct virtio_crypto *vcrypto = ctx->vcrypto; int err; unsigned int num_out = 0, num_in = 0; + struct virtio_crypto_op_ctrl_req *ctrl; + struct virtio_crypto_inhdr *ctrl_status; + struct virtio_crypto_ctrl_request *vc_ctrl_req; + + vc_ctrl_req = kzalloc(sizeof(*vc_ctrl_req), GFP_KERNEL); + if (!vc_ctrl_req) + return -ENOMEM;

- spin_lock(&vcrypto->ctrl_lock); - vcrypto->ctrl_status.status = VIRTIO_CRYPTO_ERR; + ctrl_status = &vc_ctrl_req->ctrl_status; + ctrl_status->status = VIRTIO_CRYPTO_ERR; /* Pad ctrl header */ - vcrypto->ctrl.header.opcode = - cpu_to_le32(VIRTIO_CRYPTO_CIPHER_DESTROY_SESSION); + ctrl = &vc_ctrl_req->ctrl; + ctrl->header.opcode = cpu_to_le32(VIRTIO_CRYPTO_CIPHER_DESTROY_SESSION); /* Set the default virtqueue id to 0 */ - vcrypto->ctrl.header.queue_id = 0; + ctrl->header.queue_id = 0;

- destroy_session = &vcrypto->ctrl.u.destroy_session; + destroy_session = &ctrl->u.destroy_session;

if (encrypt) - destroy_session->session_id = - cpu_to_le64(ctx->enc_sess_info.session_id); + destroy_session->session_id = cpu_to_le64(ctx->enc_sess_info.session_id); else - destroy_session->session_id = - cpu_to_le64(ctx->dec_sess_info.session_id); + destroy_session->session_id = cpu_to_le64(ctx->dec_sess_info.session_id);

- sg_init_one(&outhdr, &vcrypto->ctrl, sizeof(vcrypto->ctrl)); + sg_init_one(&outhdr, ctrl, sizeof(*ctrl)); sgs[num_out++] = &outhdr;

/* Return status and session id back */ - sg_init_one(&status_sg, &vcrypto->ctrl_status.status, - sizeof(vcrypto->ctrl_status.status)); + sg_init_one(&status_sg, &ctrl_status->status, sizeof(ctrl_status->status)); sgs[num_out + num_in++] = &status_sg;

- err = virtqueue_add_sgs(vcrypto->ctrl_vq, sgs, num_out, - num_in, vcrypto, GFP_ATOMIC); - if (err < 0) { - spin_unlock(&vcrypto->ctrl_lock); - return err; - } - virtqueue_kick(vcrypto->ctrl_vq); + err = virtio_crypto_ctrl_vq_request(vcrypto, sgs, num_out, num_in, vc_ctrl_req); + if (err < 0) + goto out;

- while (!virtqueue_get_buf(vcrypto->ctrl_vq, &tmp) && - !virtqueue_is_broken(vcrypto->ctrl_vq)) - cpu_relax(); - - if (vcrypto->ctrl_status.status != VIRTIO_CRYPTO_OK) { - spin_unlock(&vcrypto->ctrl_lock); + if (ctrl_status->status != VIRTIO_CRYPTO_OK) { pr_err("virtio_crypto: Close session failed status: %u, session_id: 0x%llx\n", - vcrypto->ctrl_status.status, - destroy_session->session_id); + ctrl_status->status, destroy_session->session_id);

- return -EINVAL; + err = -EINVAL; + goto out; } - spin_unlock(&vcrypto->ctrl_lock);

- return 0; + err = 0; +out: + kfree(vc_ctrl_req); + return err; }

static int virtio_crypto_alg_skcipher_init_sessions( diff --git a/drivers/crypto/virtio/virtio_crypto_common.h b/drivers/crypto/virtio/virtio_crypto_common.h index a24f85c589e7..d61c991d7773 100644 --- a/drivers/crypto/virtio/virtio_crypto_common.h +++ b/drivers/crypto/virtio/virtio_crypto_common.h @@ -10,9 +10,11 @@ #include <linux/virtio.h> #include <linux/crypto.h> #include <linux/spinlock.h> +#include <linux/interrupt.h> #include <crypto/aead.h> #include <crypto/aes.h> #include <crypto/engine.h> +#include <uapi/linux/virtio_crypto.h>

/* Internal representation of a data virtqueue */ @@ -27,6 +29,7 @@ struct data_queue { char name[32];

struct crypto_engine *engine; + struct tasklet_struct done_task; };

struct virtio_crypto { @@ -56,6 +59,7 @@ struct virtio_crypto { u32 mac_algo_l; u32 mac_algo_h; u32 aead_algo; + u32 akcipher_algo;

/* Maximum length of cipher key */ u32 max_cipher_key_len; @@ -64,11 +68,6 @@ struct virtio_crypto { /* Maximum size of per request */ u64 max_size;

- /* Control VQ buffers: protected by the ctrl_lock */ - struct virtio_crypto_op_ctrl_req ctrl; - struct virtio_crypto_session_input input; - struct virtio_crypto_inhdr ctrl_status; - unsigned long status; atomic_t ref_count; struct list_head list; @@ -84,6 +83,18 @@ struct virtio_crypto_sym_session_info { __u64 session_id; };

+/* + * Note: there are padding fields in request, clear them to zero before + * sending to host to avoid to divulge any information. + * Ex, virtio_crypto_ctrl_request::ctrl::u::destroy_session::padding[48] + */ +struct virtio_crypto_ctrl_request { + struct virtio_crypto_op_ctrl_req ctrl; + struct virtio_crypto_session_input input; + struct virtio_crypto_inhdr ctrl_status; + struct completion compl; +}; + struct virtio_crypto_request; typedef void (*virtio_crypto_data_callback) (struct virtio_crypto_request *vc_req, int len); @@ -131,5 +142,10 @@ static inline int virtio_crypto_get_current_node(void)

int virtio_crypto_algs_register(struct virtio_crypto *vcrypto); void virtio_crypto_algs_unregister(struct virtio_crypto *vcrypto); +int virtio_crypto_akcipher_algs_register(struct virtio_crypto *vcrypto); +void virtio_crypto_akcipher_algs_unregister(struct virtio_crypto *vcrypto); +int virtio_crypto_ctrl_vq_request(struct virtio_crypto *vcrypto, struct scatterlist *sgs[], + unsigned int out_sgs, unsigned int in_sgs, + struct virtio_crypto_ctrl_request *vc_ctrl_req);

#endif /* _VIRTIO_CRYPTO_COMMON_H */ diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 080955a1dd9c..3da956145892 100644 --- a/drivers/crypto/virtio/virtio_crypto_core.c +++ b/drivers/crypto/virtio/virtio_crypto_core.c @@ -22,27 +22,78 @@ virtcrypto_clear_request(struct virtio_crypto_request *vc_req) } }

-static void virtcrypto_dataq_callback(struct virtqueue *vq) +static void virtio_crypto_ctrlq_callback(struct virtio_crypto_ctrl_request *vc_ctrl_req) +{ + complete(&vc_ctrl_req->compl); +} + +static void virtcrypto_ctrlq_callback(struct virtqueue *vq) { struct virtio_crypto *vcrypto = vq->vdev->priv; - struct virtio_crypto_request *vc_req; + struct virtio_crypto_ctrl_request *vc_ctrl_req; unsigned long flags; unsigned int len; - unsigned int qid = vq->index;

- spin_lock_irqsave(&vcrypto->data_vq[qid].lock, flags); + spin_lock_irqsave(&vcrypto->ctrl_lock, flags); + do { + virtqueue_disable_cb(vq); + while ((vc_ctrl_req = virtqueue_get_buf(vq, &len)) != NULL) { + spin_unlock_irqrestore(&vcrypto->ctrl_lock, flags); + virtio_crypto_ctrlq_callback(vc_ctrl_req); + spin_lock_irqsave(&vcrypto->ctrl_lock, flags); + } + if (unlikely(virtqueue_is_broken(vq))) + break; + } while (!virtqueue_enable_cb(vq)); + spin_unlock_irqrestore(&vcrypto->ctrl_lock, flags); +} + +int virtio_crypto_ctrl_vq_request(struct virtio_crypto *vcrypto, struct scatterlist *sgs[], + unsigned int out_sgs, unsigned int in_sgs, + struct virtio_crypto_ctrl_request *vc_ctrl_req) +{ + int err; + unsigned long flags; + + init_completion(&vc_ctrl_req->compl); + + spin_lock_irqsave(&vcrypto->ctrl_lock, flags); + err = virtqueue_add_sgs(vcrypto->ctrl_vq, sgs, out_sgs, in_sgs, vc_ctrl_req, GFP_ATOMIC); + if (err < 0) { + spin_unlock_irqrestore(&vcrypto->ctrl_lock, flags); + return err; + } + + virtqueue_kick(vcrypto->ctrl_vq); + spin_unlock_irqrestore(&vcrypto->ctrl_lock, flags); + + wait_for_completion(&vc_ctrl_req->compl); + + return 0; +} + +static void virtcrypto_done_task(unsigned long data) +{ + struct data_queue *data_vq = (struct data_queue *)data; + struct virtqueue *vq = data_vq->vq; + struct virtio_crypto_request *vc_req; + unsigned int len; + do { virtqueue_disable_cb(vq); while ((vc_req = virtqueue_get_buf(vq, &len)) != NULL) { - spin_unlock_irqrestore( - &vcrypto->data_vq[qid].lock, flags); if (vc_req->alg_cb) vc_req->alg_cb(vc_req, len); - spin_lock_irqsave( - &vcrypto->data_vq[qid].lock, flags); } } while (!virtqueue_enable_cb(vq)); - spin_unlock_irqrestore(&vcrypto->data_vq[qid].lock, flags); +} + +static void virtcrypto_dataq_callback(struct virtqueue *vq) +{ + struct virtio_crypto *vcrypto = vq->vdev->priv; + struct data_queue *dq = &vcrypto->data_vq[vq->index]; + + tasklet_schedule(&dq->done_task); }

static int virtcrypto_find_vqs(struct virtio_crypto *vi) @@ -73,7 +124,7 @@ static int virtcrypto_find_vqs(struct virtio_crypto *vi) goto err_names;

/* Parameters for control virtqueue */ - callbacks[total_vqs - 1] = NULL; + callbacks[total_vqs - 1] = virtcrypto_ctrlq_callback; names[total_vqs - 1] = "controlq";

/* Allocate/initialize parameters for data virtqueues */ @@ -99,6 +150,8 @@ static int virtcrypto_find_vqs(struct virtio_crypto *vi) ret = -ENOMEM; goto err_engine; } + tasklet_init(&vi->data_vq[i].done_task, virtcrypto_done_task, + (unsigned long)&vi->data_vq[i]); }

kfree(names); @@ -297,6 +350,7 @@ static int virtcrypto_probe(struct virtio_device *vdev) u32 mac_algo_l = 0; u32 mac_algo_h = 0; u32 aead_algo = 0; + u32 akcipher_algo = 0; u32 crypto_services = 0;

if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) @@ -348,6 +402,9 @@ static int virtcrypto_probe(struct virtio_device *vdev) mac_algo_h, &mac_algo_h); virtio_cread_le(vdev, struct virtio_crypto_config, aead_algo, &aead_algo); + if (crypto_services & (1 << VIRTIO_CRYPTO_SERVICE_AKCIPHER)) + virtio_cread_le(vdev, struct virtio_crypto_config, + akcipher_algo, &akcipher_algo);

/* Add virtio crypto device to global table */ err = virtcrypto_devmgr_add_dev(vcrypto); @@ -374,7 +431,7 @@ static int virtcrypto_probe(struct virtio_device *vdev) vcrypto->mac_algo_h = mac_algo_h; vcrypto->hash_algo = hash_algo; vcrypto->aead_algo = aead_algo; - + vcrypto->akcipher_algo = akcipher_algo;

dev_info(&vdev->dev, "max_queues: %u, max_cipher_key_len: %u, max_auth_key_len: %u, max_size 0x%llx\n", @@ -431,11 +488,14 @@ static void virtcrypto_free_unused_reqs(struct virtio_crypto *vcrypto) static void virtcrypto_remove(struct virtio_device *vdev) { struct virtio_crypto *vcrypto = vdev->priv; + int i;

dev_info(&vdev->dev, "Start virtcrypto_remove.\n");

if (virtcrypto_dev_started(vcrypto)) virtcrypto_dev_stop(vcrypto); + for (i = 0; i < vcrypto->max_data_queues; i++) + tasklet_kill(&vcrypto->data_vq[i].done_task); vdev->config->reset(vdev); virtcrypto_free_unused_reqs(vcrypto); virtcrypto_clear_crypto_engines(vcrypto); diff --git a/drivers/crypto/virtio/virtio_crypto_mgr.c b/drivers/crypto/virtio/virtio_crypto_mgr.c index 6860f8180c7c..1cb92418b321 100644 --- a/drivers/crypto/virtio/virtio_crypto_mgr.c +++ b/drivers/crypto/virtio/virtio_crypto_mgr.c @@ -242,6 +242,12 @@ int virtcrypto_dev_start(struct virtio_crypto *vcrypto) return -EFAULT; }

+ if (virtio_crypto_akcipher_algs_register(vcrypto)) { + pr_err("virtio_crypto: Failed to register crypto akcipher algs\n"); + virtio_crypto_algs_unregister(vcrypto); + return -EFAULT; + } + return 0; }

@@ -258,6 +264,7 @@ int virtcrypto_dev_start(struct virtio_crypto *vcrypto) void virtcrypto_dev_stop(struct virtio_crypto *vcrypto) { virtio_crypto_algs_unregister(vcrypto); + virtio_crypto_akcipher_algs_unregister(vcrypto); }

/* @@ -312,6 +319,10 @@ bool virtcrypto_algo_is_supported(struct virtio_crypto *vcrypto, case VIRTIO_CRYPTO_SERVICE_AEAD: algo_mask = vcrypto->aead_algo; break; + + case VIRTIO_CRYPTO_SERVICE_AKCIPHER: + algo_mask = vcrypto->akcipher_algo; + break; }

if (!(algo_mask & (1u << algo))) diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c index 0eb5eb97fd74..3b0e1fe27d93 100644 --- a/drivers/edac/thunderx_edac.c +++ b/drivers/edac/thunderx_edac.c @@ -1133,7 +1133,7 @@ static irqreturn_t thunderx_ocx_com_threaded_isr(int irq, void *irq_id) decode_register(other, OCX_OTHER_SIZE, ocx_com_errors, ctx->reg_com_int);

- strncat(msg, other, OCX_MESSAGE_SIZE); + strlcat(msg, other, OCX_MESSAGE_SIZE);

for (lane = 0; lane < OCX_RX_LANES; lane++) if (ctx->reg_com_int & BIT(lane)) { @@ -1142,12 +1142,12 @@ static irqreturn_t thunderx_ocx_com_threaded_isr(int irq, void *irq_id) lane, ctx->reg_lane_int[lane], lane, ctx->reg_lane_stat11[lane]);

- strncat(msg, other, OCX_MESSAGE_SIZE); + strlcat(msg, other, OCX_MESSAGE_SIZE);

decode_register(other, OCX_OTHER_SIZE, ocx_lane_errors, ctx->reg_lane_int[lane]); - strncat(msg, other, OCX_MESSAGE_SIZE); + strlcat(msg, other, OCX_MESSAGE_SIZE); }

if (ctx->reg_com_int & OCX_COM_INT_CE) @@ -1217,7 +1217,7 @@ static irqreturn_t thunderx_ocx_lnk_threaded_isr(int irq, void *irq_id) decode_register(other, OCX_OTHER_SIZE, ocx_com_link_errors, ctx->reg_com_link_int);

- strncat(msg, other, OCX_MESSAGE_SIZE); + strlcat(msg, other, OCX_MESSAGE_SIZE);

if (ctx->reg_com_link_int & OCX_COM_LINK_INT_UE) edac_device_handle_ue(ocx->edac_dev, 0, 0, msg); @@ -1896,7 +1896,7 @@ static irqreturn_t thunderx_l2c_threaded_isr(int irq, void *irq_id)

decode_register(other, L2C_OTHER_SIZE, l2_errors, ctx->reg_int);

- strncat(msg, other, L2C_MESSAGE_SIZE); + strlcat(msg, other, L2C_MESSAGE_SIZE);

if (ctx->reg_int & mask_ue) edac_device_handle_ue(l2c->edac_dev, 0, 0, msg); diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index ed27ff2e503e..7dff8833132d 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -313,11 +313,14 @@ static int __init meson_sm_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, fw);

- pr_info("secure-monitor enabled\n"); + if (devm_of_platform_populate(dev)) + goto out_in_base;

if (sysfs_create_group(&pdev->dev.kobj, &meson_sm_sysfs_attr_group)) goto out_in_base;

+ pr_info("secure-monitor enabled\n"); + return 0;

out_in_base: diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index fe6be0771a07..b0576cec263b 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -161,7 +161,7 @@ static int ti_sci_debugfs_create(struct platform_device *pdev, { struct device *dev = &pdev->dev; struct resource *res; - char debug_name[50] = "ti_sci_debug@"; + char debug_name[50];

/* Debug region is optional */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, @@ -178,10 +178,10 @@ static int ti_sci_debugfs_create(struct platform_device *pdev, /* Setup NULL termination */ info->debug_buffer[info->debug_region_size] = 0;

- info->d = debugfs_create_file(strncat(debug_name, dev_name(dev), - sizeof(debug_name) - - sizeof("ti_sci_debug@")), - 0444, NULL, info, &ti_sci_debug_fops); + snprintf(debug_name, sizeof(debug_name), "ti_sci_debug@%s", + dev_name(dev)); + info->d = debugfs_create_file(debug_name, 0444, NULL, info, + &ti_sci_debug_fops); if (IS_ERR(info->d)) return PTR_ERR(info->d);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 48df32dd352e..8a1cb1de2b13 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -459,6 +459,9 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, if (size & 0x3 || *pos & 0x3) return -EINVAL;

+ if (!adev->didt_rreg) + return -EOPNOTSUPP; + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); if (r < 0) { pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); @@ -518,6 +521,9 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user if (size & 0x3 || *pos & 0x3) return -EINVAL;

+ if (!adev->didt_wreg) + return -EOPNOTSUPP; + r = pm_runtime_get_sync(adev_to_drm(adev)->dev); if (r < 0) { pm_runtime_put_autosuspend(adev_to_drm(adev)->dev); @@ -576,7 +582,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, int r;

if (!adev->smc_rreg) - return -EPERM; + return -EOPNOTSUPP;

if (size & 0x3 || *pos & 0x3) return -EINVAL; @@ -638,7 +644,7 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user * int r;

if (!adev->smc_wreg) - return -EPERM; + return -EOPNOTSUPP;

if (size & 0x3 || *pos & 0x3) return -EINVAL; diff --git a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c index c8a5a5698edd..6eb6f05c1136 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/kv_dpm.c @@ -2733,10 +2733,8 @@ static int kv_parse_power_table(struct amdgpu_device *adev) non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; ps = kzalloc(sizeof(struct kv_ps), GFP_KERNEL); - if (ps == NULL) { - kfree(adev->pm.dpm.ps); + if (ps == NULL) return -ENOMEM; - } adev->pm.dpm.ps[i].ps_priv = ps; k = 0; idx = (u8 *)&power_state->v2.clockInfoIndex[0]; diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c index d6544a6dabc7..6f0653c81f8f 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c @@ -7349,10 +7349,9 @@ static int si_dpm_init(struct amdgpu_device *adev) kcalloc(4, sizeof(struct amdgpu_clock_voltage_dependency_entry), GFP_KERNEL); - if (!adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) { - amdgpu_free_extended_power_table(adev); + if (!adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) return -ENOMEM; - } + adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4; adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0; adev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0; diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index b4f7e7a7f7c5..9c905634fec7 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1637,7 +1637,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) } else { if (tc->hpd_pin < 0 || tc->hpd_pin > 1) { dev_err(dev, "failed to parse HPD number\n"); - return ret; + return -EINVAL; } }

diff --git a/drivers/gpu/drm/bridge/ti-tpd12s015.c b/drivers/gpu/drm/bridge/ti-tpd12s015.c index e0e015243a60..b588fea12502 100644 --- a/drivers/gpu/drm/bridge/ti-tpd12s015.c +++ b/drivers/gpu/drm/bridge/ti-tpd12s015.c @@ -179,7 +179,7 @@ static int tpd12s015_probe(struct platform_device *pdev) return 0; }

-static int __exit tpd12s015_remove(struct platform_device *pdev) +static int tpd12s015_remove(struct platform_device *pdev) { struct tpd12s015_device *tpd = platform_get_drvdata(pdev);

@@ -197,7 +197,7 @@ MODULE_DEVICE_TABLE(of, tpd12s015_of_match);

static struct platform_driver tpd12s015_driver = { .probe = tpd12s015_probe, - .remove = __exit_p(tpd12s015_remove), + .remove = tpd12s015_remove, .driver = { .name = "tpd12s015", .of_match_table = tpd12s015_of_match, diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index aecdd7ea26dc..4ed3fc28d4da 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -562,8 +562,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_set set; uint32_t __user *set_connectors_ptr; struct drm_modeset_acquire_ctx ctx; - int ret; - int i; + int ret, i, num_connectors = 0;

if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EOPNOTSUPP; @@ -721,6 +720,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, connector->name);

connector_set[i] = connector; + num_connectors++; } }

@@ -729,7 +729,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, set.y = crtc_req->y; set.mode = mode; set.connectors = connector_set; - set.num_connectors = crtc_req->count_connectors; + set.num_connectors = num_connectors; set.fb = fb;

if (drm_drv_uses_atomic_modeset(dev)) @@ -742,7 +742,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, drm_framebuffer_put(fb);

if (connector_set) { - for (i = 0; i < crtc_req->count_connectors; i++) { + for (i = 0; i < num_connectors; i++) { if (connector_set[i]) drm_connector_put(connector_set[i]); } diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 4ca995ce19af..10831d8d7148 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -892,8 +892,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags) goto err_minors; }

- if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_modeset_register_all(dev); + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + ret = drm_modeset_register_all(dev); + if (ret) + goto err_unload; + }

ret = 0;

@@ -905,6 +908,9 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)

goto out_unlock;

+err_unload: + if (dev->driver->unload) + dev->driver->unload(dev); err_minors: remove_compat_control_link(dev); drm_minor_unregister(dev, DRM_MINOR_PRIMARY); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c index bf33c3084cb4..6b4d6da3b1f4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dma.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c @@ -108,18 +108,16 @@ int exynos_drm_register_dma(struct drm_device *drm, struct device *dev, return 0;

if (!priv->mapping) { - void *mapping; + void *mapping = NULL;

if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)) mapping = arm_iommu_create_mapping(&platform_bus_type, EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE); else if (IS_ENABLED(CONFIG_IOMMU_DMA)) mapping = iommu_get_domain_for_dev(priv->dma_dev); - else - mapping = ERR_PTR(-ENODEV);

- if (IS_ERR(mapping)) - return PTR_ERR(mapping); + if (!mapping) + return -ENODEV; priv->mapping = mapping; }

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index dc01c188c0e0..981bffacda24 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1849,6 +1849,8 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data) return ret;

crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI); + if (IS_ERR(crtc)) + return PTR_ERR(crtc); crtc->pipe_clk = &hdata->phy_clk;

ret = hdmi_create_connector(encoder); diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c index a0253297bc76..bf54b9e4fd61 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c @@ -268,6 +268,7 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); + unsigned long flags;

DBG("%s", mdp4_crtc->name);

@@ -280,6 +281,14 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err); mdp4_disable(mdp4_kms);

+ if (crtc->state->event && !crtc->state->active) { + WARN_ON(mdp4_crtc->event); + spin_lock_irqsave(&mdp4_kms->dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + spin_unlock_irqrestore(&mdp4_kms->dev->event_lock, flags); + } + mdp4_crtc->enabled = false; }

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 2e0be85ec394..10eacfd95fb1 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -558,7 +558,9 @@ static int dsi_phy_enable_resource(struct msm_dsi_phy *phy) struct device *dev = &phy->pdev->dev; int ret;

- pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret) + return ret;

ret = clk_prepare_enable(phy->ahb_clk); if (ret) { diff --git a/drivers/gpu/drm/nouveau/nv04_fence.c b/drivers/gpu/drm/nouveau/nv04_fence.c index 5b71a5a5cd85..cdbc75e3d1f6 100644 --- a/drivers/gpu/drm/nouveau/nv04_fence.c +++ b/drivers/gpu/drm/nouveau/nv04_fence.c @@ -39,7 +39,7 @@ struct nv04_fence_priv { static int nv04_fence_emit(struct nouveau_fence *fence) { - struct nvif_push *push = fence->channel->chan.push; + struct nvif_push *push = unrcu_pointer(fence->channel)->chan.push; int ret = PUSH_WAIT(push, 2); if (ret == 0) { PUSH_NVSQ(push, NV_SW, 0x0150, fence->base.seqno); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c index b1294d0076c0..72449bf613bf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c @@ -32,7 +32,7 @@ tu102_vmm_flush(struct nvkm_vmm *vmm, int depth)

type |= 0x00000001; /* PAGE_ALL */ if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR])) - type |= 0x00000004; /* HUB_ONLY */ + type |= 0x00000006; /* HUB_ONLY | ALL PDB (hack) */

mutex_lock(&subdev->mutex);

diff --git a/drivers/gpu/drm/panel/panel-elida-kd35t133.c b/drivers/gpu/drm/panel/panel-elida-kd35t133.c index fe5ac3ef9018..9c1591f2920c 100644 --- a/drivers/gpu/drm/panel/panel-elida-kd35t133.c +++ b/drivers/gpu/drm/panel/panel-elida-kd35t133.c @@ -111,6 +111,8 @@ static int kd35t133_unprepare(struct drm_panel *panel) return ret; }

+ gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->iovcc); regulator_disable(ctx->vdd);

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 24c8db673931..6e4600c21697 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2313,7 +2313,7 @@ int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track) switch (prim_walk) { case 1: for (i = 0; i < track->num_arrays; i++) { - size = track->arrays[i].esize * track->max_indx * 4; + size = track->arrays[i].esize * track->max_indx * 4UL; if (track->arrays[i].robj == NULL) { DRM_ERROR("(PW %u) Vertex array %u no buffer " "bound\n", prim_walk, i); @@ -2332,7 +2332,7 @@ int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track) break; case 2: for (i = 0; i < track->num_arrays; i++) { - size = track->arrays[i].esize * (nverts - 1) * 4; + size = track->arrays[i].esize * (nverts - 1) * 4UL; if (track->arrays[i].robj == NULL) { DRM_ERROR("(PW %u) Vertex array %u no buffer " "bound\n", prim_walk, i); diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 390a9621604a..1e6ad9daff53 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -1276,7 +1276,7 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) return -EINVAL; } tmp = (reg - CB_COLOR0_BASE) / 4; - track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8; + track->cb_color_bo_offset[tmp] = (u64)radeon_get_ib_value(p, idx) << 8; ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff); track->cb_color_base_last[tmp] = ib[idx]; track->cb_color_bo[tmp] = reloc->robj; @@ -1303,7 +1303,7 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) "0x%04X\n", reg); return -EINVAL; } - track->htile_offset = radeon_get_ib_value(p, idx) << 8; + track->htile_offset = (u64)radeon_get_ib_value(p, idx) << 8; ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff); track->htile_bo = reloc->robj; track->db_dirty = true; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 71bdafac9210..07d23a1e62a0 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -689,11 +689,16 @@ static void radeon_crtc_init(struct drm_device *dev, int index) if (radeon_crtc == NULL) return;

+ radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0); + if (!radeon_crtc->flip_queue) { + kfree(radeon_crtc); + return; + } + drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);

drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256); radeon_crtc->crtc_id = index; - radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0); rdev->mode_info.crtcs[index] = radeon_crtc;

if (rdev->family >= CHIP_BONAIRE) { diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 27b14eff532c..cb75ff1f6f2c 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -1206,13 +1206,17 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) r = radeon_bo_create(rdev, pd_size, align, true, RADEON_GEM_DOMAIN_VRAM, 0, NULL, NULL, &vm->page_directory); - if (r) + if (r) { + kfree(vm->page_tables); + vm->page_tables = NULL; return r; - + } r = radeon_vm_clear_bo(rdev, vm->page_directory); if (r) { radeon_bo_unref(&vm->page_directory); vm->page_directory = NULL; + kfree(vm->page_tables); + vm->page_tables = NULL; return r; }

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 31e2c1083b08..e2eac766666e 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -3616,6 +3616,10 @@ static int si_cp_start(struct radeon_device *rdev) for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) { ring = &rdev->ring[i]; r = radeon_ring_lock(rdev, ring, 2); + if (r) { + DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); + return r; + }

/* clear the compute context state */ radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0)); diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index b95d5d390caf..45d04996adf5 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1493,8 +1493,10 @@ static int sumo_parse_power_table(struct radeon_device *rdev) non_clock_array_index = power_state->v2.nonClockInfoIndex; non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; - if (!rdev->pm.power_state[i].clock_info) + if (!rdev->pm.power_state[i].clock_info) { + kfree(rdev->pm.dpm.ps); return -EINVAL; + } ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); if (ps == NULL) { kfree(rdev->pm.dpm.ps); diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 4d93b84aa739..49c28fbe366e 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1770,8 +1770,10 @@ static int trinity_parse_power_table(struct radeon_device *rdev) non_clock_array_index = power_state->v2.nonClockInfoIndex; non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) &non_clock_info_array->nonClockInfo[non_clock_array_index]; - if (!rdev->pm.power_state[i].clock_info) + if (!rdev->pm.power_state[i].clock_info) { + kfree(rdev->pm.dpm.ps); return -EINVAL; + } ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL); if (ps == NULL) { kfree(rdev->pm.dpm.ps); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 1b5e5e9f577d..726a5d76615d 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2612,8 +2612,8 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, { struct hid_data *hid_data = &wacom_wac->hid_data; bool mt = wacom_wac->features.touch_max > 1; - bool prox = hid_data->tipswitch && - report_touch_events(wacom_wac); + bool touch_down = hid_data->tipswitch && hid_data->confidence; + bool prox = touch_down && report_touch_events(wacom_wac);

if (wacom_wac->shared->has_mute_touch_switch && !wacom_wac->shared->is_touch_on) { @@ -2652,24 +2652,6 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, } }

-static bool wacom_wac_slot_is_active(struct input_dev *dev, int key) -{ - struct input_mt *mt = dev->mt; - struct input_mt_slot *s; - - if (!mt) - return false; - - for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { - if (s->key == key && - input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) { - return true; - } - } - - return false; -} - static void wacom_wac_finger_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { @@ -2717,14 +2699,8 @@ static void wacom_wac_finger_event(struct hid_device *hdev, }

if (usage->usage_index + 1 == field->report_count) { - if (equivalent_usage == wacom_wac->hid_data.last_slot_field) { - bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input, - wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch; - - if (wacom_wac->hid_data.confidence || touch_removed) { - wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); - } - } + if (equivalent_usage == wacom_wac->hid_data.last_slot_field) + wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); } }

diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index eefc7371c6c4..2c994a8c4a76 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -440,7 +440,7 @@ struct etmv4_drvdata { u8 ctxid_size; u8 vmid_size; u8 ccsize; - u8 ccitmin; + u16 ccitmin; u8 s_ex_level; u8 ns_ex_level; u8 q_support; diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 13c14eb175e9..6abcf975a2db 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -178,6 +178,7 @@ struct rk3x_i2c_soc_data { * @clk: function clk for rk3399 or function & Bus clks for others * @pclk: Bus clk for rk3399 * @clk_rate_nb: i2c clk rate change notify + * @irq: irq number * @t: I2C known timing information * @lock: spinlock for the i2c bus * @wait: the waitqueue to wait for i2c transfer @@ -200,6 +201,7 @@ struct rk3x_i2c { struct clk *clk; struct clk *pclk; struct notifier_block clk_rate_nb; + int irq;

/* Settings */ struct i2c_timings t; @@ -1087,13 +1089,18 @@ static int rk3x_i2c_xfer_common(struct i2c_adapter *adap,

spin_unlock_irqrestore(&i2c->lock, flags);

- rk3x_i2c_start(i2c); - if (!polling) { + rk3x_i2c_start(i2c); + timeout = wait_event_timeout(i2c->wait, !i2c->busy, msecs_to_jiffies(WAIT_TIMEOUT)); } else { + disable_irq(i2c->irq); + rk3x_i2c_start(i2c); + timeout = rk3x_i2c_wait_xfer_poll(i2c); + + enable_irq(i2c->irq); }

spin_lock_irqsave(&i2c->lock, flags); @@ -1301,6 +1308,8 @@ static int rk3x_i2c_probe(struct platform_device *pdev) return ret; }

+ i2c->irq = irq; + platform_set_drvdata(pdev, i2c);

if (i2c->soc_data->calc_timings == rk3x_i2c_v0_calc_timings) { diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 05831848b7bf..fd0969cd7dc6 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -223,8 +223,17 @@ static bool is_ack(struct s3c24xx_i2c *i2c) int tries;

for (tries = 50; tries; --tries) { - if (readl(i2c->regs + S3C2410_IICCON) - & S3C2410_IICCON_IRQPEND) { + unsigned long tmp = readl(i2c->regs + S3C2410_IICCON); + + if (!(tmp & S3C2410_IICCON_ACKEN)) { + /* + * Wait a bit for the bus to stabilize, + * delay estimated experimentally. + */ + usleep_range(100, 200); + return true; + } + if (tmp & S3C2410_IICCON_IRQPEND) { if (!(readl(i2c->regs + S3C2410_IICSTAT) & S3C2410_IICSTAT_LASTBIT)) return true; @@ -277,16 +286,6 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c,

stat |= S3C2410_IICSTAT_START; writel(stat, i2c->regs + S3C2410_IICSTAT); - - if (i2c->quirks & QUIRK_POLL) { - while ((i2c->msg_num != 0) && is_ack(i2c)) { - i2c_s3c_irq_nextbyte(i2c, stat); - stat = readl(i2c->regs + S3C2410_IICSTAT); - - if (stat & S3C2410_IICSTAT_ARBITR) - dev_err(i2c->dev, "deal with arbitration loss\n"); - } - } }

static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) @@ -693,7 +692,7 @@ static void s3c24xx_i2c_wait_idle(struct s3c24xx_i2c *i2c) static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num) { - unsigned long timeout; + unsigned long timeout = 0; int ret;

ret = s3c24xx_i2c_set_master(i2c); @@ -713,16 +712,19 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, s3c24xx_i2c_message_start(i2c, msgs);

if (i2c->quirks & QUIRK_POLL) { - ret = i2c->msg_idx; + while ((i2c->msg_num != 0) && is_ack(i2c)) { + unsigned long stat = readl(i2c->regs + S3C2410_IICSTAT);

- if (ret != num) - dev_dbg(i2c->dev, "incomplete xfer (%d)\n", ret); + i2c_s3c_irq_nextbyte(i2c, stat);

- goto out; + stat = readl(i2c->regs + S3C2410_IICSTAT); + if (stat & S3C2410_IICSTAT_ARBITR) + dev_err(i2c->dev, "deal with arbitration loss\n"); + } + } else { + timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5); }

- timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5); - ret = i2c->msg_idx;

/* diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c index 63b4d6ea4566..811f04448d8d 100644 --- a/drivers/iio/adc/ad7091r-base.c +++ b/drivers/iio/adc/ad7091r-base.c @@ -174,8 +174,8 @@ static const struct iio_info ad7091r_info = {

static irqreturn_t ad7091r_event_handler(int irq, void *private) { - struct ad7091r_state *st = (struct ad7091r_state *) private; - struct iio_dev *iio_dev = dev_get_drvdata(st->dev); + struct iio_dev *iio_dev = private; + struct ad7091r_state *st = iio_priv(iio_dev); unsigned int i, read_val; int ret; s64 timestamp = iio_get_time_ns(iio_dev); @@ -234,7 +234,7 @@ int ad7091r_probe(struct device *dev, const char *name, if (irq) { ret = devm_request_threaded_irq(dev, irq, NULL, ad7091r_event_handler, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, st); + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, iio_dev); if (ret) return ret; } diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c index 19a45dd43796..6b9627bfebb0 100644 --- a/drivers/iio/adc/ad9467.c +++ b/drivers/iio/adc/ad9467.c @@ -119,9 +119,9 @@ struct ad9467_state { struct spi_device *spi; struct clk *clk; unsigned int output_mode; + unsigned int (*scales)[2];

struct gpio_desc *pwrdown_gpio; - struct gpio_desc *reset_gpio; };

static int ad9467_spi_read(struct spi_device *spi, unsigned int reg) @@ -163,9 +163,10 @@ static int ad9467_reg_access(struct adi_axi_adc_conv *conv, unsigned int reg,

if (readval == NULL) { ret = ad9467_spi_write(spi, reg, writeval); - ad9467_spi_write(spi, AN877_ADC_REG_TRANSFER, - AN877_ADC_TRANSFER_SYNC); - return ret; + if (ret) + return ret; + return ad9467_spi_write(spi, AN877_ADC_REG_TRANSFER, + AN877_ADC_TRANSFER_SYNC); }

ret = ad9467_spi_read(spi, reg); @@ -212,6 +213,7 @@ static void __ad9467_get_scale(struct adi_axi_adc_conv *conv, int index, .channel = _chan, \ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \ BIT(IIO_CHAN_INFO_SAMP_FREQ), \ + .info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE), \ .scan_index = _si, \ .scan_type = { \ .sign = _sign, \ @@ -273,10 +275,13 @@ static int ad9467_get_scale(struct adi_axi_adc_conv *conv, int *val, int *val2) const struct ad9467_chip_info *info1 = to_ad9467_chip_info(info); struct ad9467_state *st = adi_axi_adc_conv_priv(conv); unsigned int i, vref_val; + int ret;

- vref_val = ad9467_spi_read(st->spi, AN877_ADC_REG_VREF); + ret = ad9467_spi_read(st->spi, AN877_ADC_REG_VREF); + if (ret < 0) + return ret;

- vref_val &= info1->vref_mask; + vref_val = ret & info1->vref_mask;

for (i = 0; i < info->num_scales; i++) { if (vref_val == info->scale_table[i][1]) @@ -297,6 +302,7 @@ static int ad9467_set_scale(struct adi_axi_adc_conv *conv, int val, int val2) struct ad9467_state *st = adi_axi_adc_conv_priv(conv); unsigned int scale_val[2]; unsigned int i; + int ret;

if (val != 0) return -EINVAL; @@ -306,11 +312,13 @@ static int ad9467_set_scale(struct adi_axi_adc_conv *conv, int val, int val2) if (scale_val[0] != val || scale_val[1] != val2) continue;

- ad9467_spi_write(st->spi, AN877_ADC_REG_VREF, - info->scale_table[i][1]); - ad9467_spi_write(st->spi, AN877_ADC_REG_TRANSFER, - AN877_ADC_TRANSFER_SYNC); - return 0; + ret = ad9467_spi_write(st->spi, AN877_ADC_REG_VREF, + info->scale_table[i][1]); + if (ret < 0) + return ret; + + return ad9467_spi_write(st->spi, AN877_ADC_REG_TRANSFER, + AN877_ADC_TRANSFER_SYNC); }

return -EINVAL; @@ -359,6 +367,26 @@ static int ad9467_write_raw(struct adi_axi_adc_conv *conv, } }

+static int ad9467_read_avail(struct adi_axi_adc_conv *conv, + struct iio_chan_spec const *chan, + const int **vals, int *type, int *length, + long mask) +{ + const struct adi_axi_adc_chip_info *info = conv->chip_info; + struct ad9467_state *st = adi_axi_adc_conv_priv(conv); + + switch (mask) { + case IIO_CHAN_INFO_SCALE: + *vals = (const int *)st->scales; + *type = IIO_VAL_INT_PLUS_MICRO; + /* Values are stored in a 2D matrix */ + *length = info->num_scales * 2; + return IIO_AVAIL_LIST; + default: + return -EINVAL; + } +} + static int ad9467_outputmode_set(struct spi_device *spi, unsigned int mode) { int ret; @@ -371,6 +399,26 @@ static int ad9467_outputmode_set(struct spi_device *spi, unsigned int mode) AN877_ADC_TRANSFER_SYNC); }

+static int ad9467_scale_fill(struct adi_axi_adc_conv *conv) +{ + const struct adi_axi_adc_chip_info *info = conv->chip_info; + struct ad9467_state *st = adi_axi_adc_conv_priv(conv); + unsigned int i, val1, val2; + + st->scales = devm_kmalloc_array(&st->spi->dev, info->num_scales, + sizeof(*st->scales), GFP_KERNEL); + if (!st->scales) + return -ENOMEM; + + for (i = 0; i < info->num_scales; i++) { + __ad9467_get_scale(conv, i, &val1, &val2); + st->scales[i][0] = val1; + st->scales[i][1] = val2; + } + + return 0; +} + static int ad9467_preenable_setup(struct adi_axi_adc_conv *conv) { struct ad9467_state *st = adi_axi_adc_conv_priv(conv); @@ -378,11 +426,19 @@ static int ad9467_preenable_setup(struct adi_axi_adc_conv *conv) return ad9467_outputmode_set(st->spi, st->output_mode); }

-static void ad9467_clk_disable(void *data) +static int ad9467_reset(struct device *dev) { - struct ad9467_state *st = data; + struct gpio_desc *gpio;

- clk_disable_unprepare(st->clk); + gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR_OR_NULL(gpio)) + return PTR_ERR_OR_ZERO(gpio); + + fsleep(1); + gpiod_set_value_cansleep(gpio, 0); + fsleep(10 * USEC_PER_MSEC); + + return 0; }

static int ad9467_probe(struct spi_device *spi) @@ -404,40 +460,27 @@ static int ad9467_probe(struct spi_device *spi) st = adi_axi_adc_conv_priv(conv); st->spi = spi;

- st->clk = devm_clk_get(&spi->dev, "adc-clk"); + st->clk = devm_clk_get_enabled(&spi->dev, "adc-clk"); if (IS_ERR(st->clk)) return PTR_ERR(st->clk);

- ret = clk_prepare_enable(st->clk); - if (ret < 0) - return ret; - - ret = devm_add_action_or_reset(&spi->dev, ad9467_clk_disable, st); - if (ret) - return ret; - st->pwrdown_gpio = devm_gpiod_get_optional(&spi->dev, "powerdown", GPIOD_OUT_LOW); if (IS_ERR(st->pwrdown_gpio)) return PTR_ERR(st->pwrdown_gpio);

- st->reset_gpio = devm_gpiod_get_optional(&spi->dev, "reset", - GPIOD_OUT_LOW); - if (IS_ERR(st->reset_gpio)) - return PTR_ERR(st->reset_gpio); - - if (st->reset_gpio) { - udelay(1); - ret = gpiod_direction_output(st->reset_gpio, 1); - if (ret) - return ret; - mdelay(10); - } + ret = ad9467_reset(&spi->dev); + if (ret) + return ret;

spi_set_drvdata(spi, st);

conv->chip_info = &info->axi_adc_info;

+ ret = ad9467_scale_fill(conv); + if (ret) + return ret; + id = ad9467_spi_read(spi, AN877_ADC_REG_CHIP_ID); if (id != conv->chip_info->id) { dev_err(&spi->dev, "Mismatch CHIP_ID, got 0x%X, expected 0x%X\n", @@ -448,6 +491,7 @@ static int ad9467_probe(struct spi_device *spi) conv->reg_access = ad9467_reg_access; conv->write_raw = ad9467_write_raw; conv->read_raw = ad9467_read_raw; + conv->read_avail = ad9467_read_avail; conv->preenable_setup = ad9467_preenable_setup;

st->output_mode = info->default_output_mode | diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index cbe1011a2408..d721fb1bcae7 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -150,6 +150,20 @@ static int adi_axi_adc_write_raw(struct iio_dev *indio_dev, return conv->write_raw(conv, chan, val, val2, mask); }

+static int adi_axi_adc_read_avail(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + const int **vals, int *type, int *length, + long mask) +{ + struct adi_axi_adc_state *st = iio_priv(indio_dev); + struct adi_axi_adc_conv *conv = &st->client->conv; + + if (!conv->read_avail) + return -EOPNOTSUPP; + + return conv->read_avail(conv, chan, vals, type, length, mask); +} + static int adi_axi_adc_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *scan_mask) { @@ -238,69 +252,11 @@ struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev, } EXPORT_SYMBOL_GPL(devm_adi_axi_adc_conv_register);

-static ssize_t in_voltage_scale_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct adi_axi_adc_state *st = iio_priv(indio_dev); - struct adi_axi_adc_conv *conv = &st->client->conv; - size_t len = 0; - int i; - - for (i = 0; i < conv->chip_info->num_scales; i++) { - const unsigned int *s = conv->chip_info->scale_table[i]; - - len += scnprintf(buf + len, PAGE_SIZE - len, - "%u.%06u ", s[0], s[1]); - } - buf[len - 1] = '\n'; - - return len; -} - -static IIO_DEVICE_ATTR_RO(in_voltage_scale_available, 0); - -enum { - ADI_AXI_ATTR_SCALE_AVAIL, -}; - -#define ADI_AXI_ATTR(_en_, _file_) \ - [ADI_AXI_ATTR_##_en_] = &iio_dev_attr_##_file_.dev_attr.attr - -static struct attribute *adi_axi_adc_attributes[] = { - ADI_AXI_ATTR(SCALE_AVAIL, in_voltage_scale_available), - NULL -}; - -static umode_t axi_adc_attr_is_visible(struct kobject *kobj, - struct attribute *attr, int n) -{ - struct device *dev = kobj_to_dev(kobj); - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct adi_axi_adc_state *st = iio_priv(indio_dev); - struct adi_axi_adc_conv *conv = &st->client->conv; - - switch (n) { - case ADI_AXI_ATTR_SCALE_AVAIL: - if (!conv->chip_info->num_scales) - return 0; - return attr->mode; - default: - return attr->mode; - } -} - -static const struct attribute_group adi_axi_adc_attribute_group = { - .attrs = adi_axi_adc_attributes, - .is_visible = axi_adc_attr_is_visible, -}; - static const struct iio_info adi_axi_adc_info = { .read_raw = &adi_axi_adc_read_raw, .write_raw = &adi_axi_adc_write_raw, - .attrs = &adi_axi_adc_attribute_group, .update_scan_mode = &adi_axi_adc_update_scan_mode, + .read_avail = &adi_axi_adc_read_avail, };

static const struct adi_axi_adc_core_info adi_axi_adc_10_0_a_info = { diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index bdf5ed38de22..0307c45aa6d3 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -635,7 +635,7 @@ void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox)

int mthca_SYS_EN(struct mthca_dev *dev) { - u64 out; + u64 out = 0; int ret;

ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D); @@ -1955,7 +1955,7 @@ int mthca_WRITE_MGM(struct mthca_dev *dev, int index, int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox, u16 *hash) { - u64 imm; + u64 imm = 0; int err;

err = mthca_cmd_imm(dev, mailbox->dma, &imm, 0, 0, CMD_MGID_HASH, diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index fe9654a7af71..3acd1372c814 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -382,7 +382,7 @@ static int mthca_init_icm(struct mthca_dev *mdev, struct mthca_init_hca_param *init_hca, u64 icm_size) { - u64 aux_pages; + u64 aux_pages = 0; int err;

err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages); diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 78ee9445f801..45a2d2b82b09 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -322,12 +322,10 @@ struct iser_device { * * @mr: memory region * @sig_mr: signature memory region - * @mr_valid: is mr valid indicator */ struct iser_reg_resources { struct ib_mr *mr; struct ib_mr *sig_mr; - u8 mr_valid:1; };

/** diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 27a6f75a9912..9ea88dd6a414 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -602,7 +602,10 @@ iser_inv_desc(struct iser_fr_desc *desc, u32 rkey) return -EINVAL; }

- desc->rsc.mr_valid = 0; + if (desc->sig_protected) + desc->rsc.sig_mr->need_inval = false; + else + desc->rsc.mr->need_inval = false;

return 0; } diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index d4e057fac219..519fea5ec3a1 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -250,7 +250,7 @@ iser_reg_sig_mr(struct iscsi_iser_task *iser_task,

iser_set_prot_checks(iser_task->sc, &sig_attrs->check_mask);

- if (rsc->mr_valid) + if (rsc->sig_mr->need_inval) iser_inv_rkey(&tx_desc->inv_wr, mr, cqe, &wr->wr);

ib_update_fast_reg_key(mr, ib_inc_rkey(mr->rkey)); @@ -274,7 +274,7 @@ iser_reg_sig_mr(struct iscsi_iser_task *iser_task, wr->access = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE; - rsc->mr_valid = 1; + rsc->sig_mr->need_inval = true;

sig_reg->sge.lkey = mr->lkey; sig_reg->rkey = mr->rkey; @@ -299,7 +299,7 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, struct ib_reg_wr *wr = &tx_desc->reg_wr; int n;

- if (rsc->mr_valid) + if (rsc->mr->need_inval) iser_inv_rkey(&tx_desc->inv_wr, mr, cqe, &wr->wr);

ib_update_fast_reg_key(mr, ib_inc_rkey(mr->rkey)); @@ -322,7 +322,7 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ;

- rsc->mr_valid = 1; + rsc->mr->need_inval = true;

reg->sge.lkey = mr->lkey; reg->rkey = mr->rkey; diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 2bd18b006893..b5127479860d 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -136,7 +136,6 @@ iser_create_fastreg_desc(struct iser_device *device, goto err_alloc_mr_integrity; } } - desc->rsc.mr_valid = 0;

return desc;

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index beedad0fe09a..239471cf7e4c 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -266,6 +266,7 @@ static const struct xpad_device { { 0x146b, 0x0604, "Bigben Interactive DAIJA Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE }, { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE }, + { 0x1532, 0x0a29, "Razer Wolverine V2", 0, XTYPE_XBOXONE }, { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 }, diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index edc613efc158..4912582c54da 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -756,6 +756,44 @@ static void atkbd_deactivate(struct atkbd *atkbd) ps2dev->serio->phys); }

+#ifdef CONFIG_X86 +static bool atkbd_is_portable_device(void) +{ + static const char * const chassis_types[] = { + "8", /* Portable */ + "9", /* Laptop */ + "10", /* Notebook */ + "14", /* Sub-Notebook */ + "31", /* Convertible */ + "32", /* Detachable */ + }; + int i; + + for (i = 0; i < ARRAY_SIZE(chassis_types); i++) + if (dmi_match(DMI_CHASSIS_TYPE, chassis_types[i])) + return true; + + return false; +} + +/* + * On many modern laptops ATKBD_CMD_GETID may cause problems, on these laptops + * the controller is always in translated mode. In this mode mice/touchpads will + * not work. So in this case simply assume a keyboard is connected to avoid + * confusing some laptop keyboards. + * + * Skipping ATKBD_CMD_GETID ends up using a fake keyboard id. Using the standard + * 0xab83 id is ok in translated mode, only atkbd_select_set() checks atkbd->id + * and in translated mode that is a no-op. + */ +static bool atkbd_skip_getid(struct atkbd *atkbd) +{ + return atkbd->translated && atkbd_is_portable_device(); +} +#else +static inline bool atkbd_skip_getid(struct atkbd *atkbd) { return false; } +#endif + /* * atkbd_probe() probes for an AT keyboard on a serio port. */ @@ -764,6 +802,7 @@ static int atkbd_probe(struct atkbd *atkbd) { struct ps2dev *ps2dev = &atkbd->ps2dev; unsigned char param[2]; + bool skip_getid;

/* * Some systems, where the bit-twiddling when testing the io-lines of the @@ -785,17 +824,18 @@ static int atkbd_probe(struct atkbd *atkbd) */

param[0] = param[1] = 0xa5; /* initialize with invalid values */ - if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { + skip_getid = atkbd_skip_getid(atkbd); + if (skip_getid || ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {

/* - * If the get ID command failed, we check if we can at least set the LEDs on - * the keyboard. This should work on every keyboard out there. It also turns - * the LEDs off, which we want anyway. + * If the get ID command was skipped or failed, we check if we can at least set + * the LEDs on the keyboard. This should work on every keyboard out there. + * It also turns the LEDs off, which we want anyway. */ param[0] = 0; if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) return -1; - atkbd->id = 0xabba; + atkbd->id = skip_getid ? 0xab83 : 0xabba; return 0; }

diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h index 09528c0a8a34..124ab98ea43a 100644 --- a/drivers/input/serio/i8042-acpipnpio.h +++ b/drivers/input/serio/i8042-acpipnpio.h @@ -351,6 +351,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = { }, .driver_data = (void *)(SERIO_QUIRK_DRITEK) }, + { + /* Acer TravelMate P459-G2-M */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"), + }, + .driver_data = (void *)(SERIO_QUIRK_NOMUX) + }, { /* Amoi M636/A737 */ .matches = { diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c index 1598a1ddbf69..a5164d5cb6a3 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c @@ -21,6 +21,7 @@ static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu)

static const struct of_device_id qcom_smmu_client_of_match[] __maybe_unused = { { .compatible = "qcom,adreno" }, + { .compatible = "qcom,adreno-gmu" }, { .compatible = "qcom,mdp4" }, { .compatible = "qcom,mdss" }, { .compatible = "qcom,sc7180-mdss" }, diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index ad84be4f6817..03c4c5e4d35c 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -116,6 +116,7 @@ config LEDS_AS3645A config LEDS_AW2013 tristate "LED support for Awinic AW2013" depends on LEDS_CLASS && I2C && OF + select REGMAP_I2C help This option enables support for the AW2013 3-channel LED driver. diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 2ff8a1b776fb..3a83e8e09256 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -114,6 +114,8 @@ static int dvb_device_open(struct inode *inode, struct file *file) err = file->f_op->open(inode, file); up_read(&minor_rwsem); mutex_unlock(&dvbdev_mutex); + if (err) + dvb_device_put(dvbdev); return err; } fail: diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index ff106d6ece68..94c6cc59372c 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1898,7 +1898,7 @@ static int m88ds3103_probe(struct i2c_client *client, /* get frontend address */ ret = regmap_read(dev->regmap, 0x29, &utmp); if (ret) - goto err_kfree; + goto err_del_adapters; dev->dt_addr = ((utmp & 0x80) == 0) ? 0x42 >> 1 : 0x40 >> 1; dev_dbg(&client->dev, "dt addr is 0x%02x\n", dev->dt_addr);

@@ -1906,11 +1906,14 @@ static int m88ds3103_probe(struct i2c_client *client, dev->dt_addr); if (IS_ERR(dev->dt_client)) { ret = PTR_ERR(dev->dt_client); - goto err_kfree; + goto err_del_adapters; } }

return 0; + +err_del_adapters: + i2c_mux_del_adapters(dev->muxc); err_kfree: kfree(dev); err: diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index 05d91caaed0c..46e34225b45c 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -1024,6 +1024,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, if (!dev->video_mode.isoc_ctl.urb) { dev_err(dev->dev, "cannot alloc memory for usb buffers\n"); + kfree(dma_q->p_left_data); return -ENOMEM; }

@@ -1033,6 +1034,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, dev_err(dev->dev, "cannot allocate memory for usbtransfer\n"); kfree(dev->video_mode.isoc_ctl.urb); + kfree(dma_q->p_left_data); return -ENOMEM; }

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c index 14170a5d72b3..1764674de98b 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-context.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c @@ -268,7 +268,8 @@ void pvr2_context_disconnect(struct pvr2_context *mp) { pvr2_hdw_disconnect(mp->hdw); mp->disconnect_flag = !0; - pvr2_context_notify(mp); + if (!pvr2_context_shutok()) + pvr2_context_notify(mp); }

diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index df5cebb372a5..60f74144a4f8 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -103,6 +103,10 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk)

syscon_config.name = kasprintf(GFP_KERNEL, "%pOFn@%llx", np, (u64)res.start); + if (!syscon_config.name) { + ret = -ENOMEM; + goto err_regmap; + } syscon_config.reg_stride = reg_io_width; syscon_config.val_bits = reg_io_width * 8; syscon_config.max_register = resource_size(&res) - reg_io_width; diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index a5b2bf0e40cc..8fe4a0fd6ef1 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -1065,14 +1065,15 @@ config MMC_SDHCI_XENON

config MMC_SDHCI_OMAP tristate "TI SDHCI Controller Support" + depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST depends on MMC_SDHCI_PLTFM && OF select THERMAL imply TI_SOC_THERMAL select MMC_SDHCI_EXTERNAL_DMA if DMA_ENGINE help This selects the Secure Digital Host Controller Interface (SDHCI) - support present in TI's DRA7 SOCs. The controller supports - SD/MMC/SDIO devices. + support present in TI's Keystone/OMAP2+/DRA7 SOCs. The controller + supports SD/MMC/SDIO devices.

If you have a controller with this interface, say Y or M here.

@@ -1080,14 +1081,15 @@ config MMC_SDHCI_OMAP

config MMC_SDHCI_AM654 tristate "Support for the SDHCI Controller in TI's AM654 SOCs" + depends on ARCH_K3 || COMPILE_TEST depends on MMC_SDHCI_PLTFM && OF select MMC_SDHCI_IO_ACCESSORS select MMC_CQHCI select REGMAP_MMIO help This selects the Secure Digital Host Controller Interface (SDHCI) - support present in TI's AM654 SOCs. The controller supports - SD/MMC/SDIO devices. + support present in TI's AM65x/AM64x/AM62x/J721E SOCs. The controller + supports SD/MMC/SDIO devices.

If you have a controller with this interface, say Y or M here.

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 0c05f77f9b21..dd0d0bf5f57f 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -533,7 +533,7 @@ static void blktrans_notify_add(struct mtd_info *mtd) { struct mtd_blktrans_ops *tr;

- if (mtd->type == MTD_ABSENT) + if (mtd->type == MTD_ABSENT || mtd->type == MTD_UBIVOLUME) return;

list_for_each_entry(tr, &blktrans_majors, list) @@ -576,7 +576,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) list_add(&tr->list, &blktrans_majors);

mtd_for_each_device(mtd) - if (mtd->type != MTD_ABSENT) + if (mtd->type != MTD_ABSENT && mtd->type != MTD_UBIVOLUME) tr->add_mtd(tr, mtd);

mutex_unlock(&mtd_table_mutex); diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c index e345f9d9f8e8..fcda744e8a40 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -21,7 +21,7 @@

#define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ -#define IFC_TIMEOUT_MSECS 500 /* Maximum number of mSecs to wait +#define IFC_TIMEOUT_MSECS 1000 /* Maximum timeout to wait for IFC NAND Machine */

struct fsl_ifc_ctrl; diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 80eadf509c0a..018988b95035 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -1119,6 +1119,8 @@ static int vsc73xx_gpio_probe(struct vsc73xx *vsc)

vsc->gc.label = devm_kasprintf(vsc->dev, GFP_KERNEL, "VSC%04x", vsc->chipid); + if (!vsc->gc.label) + return -ENOMEM; vsc->gc.ngpio = 4; vsc->gc.owner = THIS_MODULE; vsc->gc.parent = vsc->dev; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index b010f28b0abf..fe2c9b110e60 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6454,6 +6454,14 @@ static void tg3_dump_state(struct tg3 *tp) int i; u32 *regs;

+ /* If it is a PCI error, all registers will be 0xffff, + * we don't dump them out, just report the error and return + */ + if (tp->pdev->error_state != pci_channel_io_normal) { + netdev_err(tp->dev, "PCI channel ERROR!\n"); + return; + } + regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC); if (!regs) return; @@ -11195,7 +11203,8 @@ static void tg3_reset_task(struct work_struct *work) rtnl_lock(); tg3_full_lock(tp, 0);

- if (tp->pcierr_recovery || !netif_running(tp->dev)) { + if (tp->pcierr_recovery || !netif_running(tp->dev) || + tp->pdev->error_state != pci_channel_io_normal) { tg3_flag_clear(tp, RESET_TASK_PENDING); tg3_full_unlock(tp); rtnl_unlock(); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index aa9e616cc1d5..011210e6842d 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -2302,7 +2302,6 @@ static int mtk_open(struct net_device *dev) if (!refcount_read(&eth->dma_refcnt)) { int err = mtk_start_dma(eth);

- if (err) if (err) { phylink_disconnect_phy(mac->phylink); return err; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c index ded4cf658680..4b713832fdd5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_atcam.c @@ -119,7 +119,6 @@ mlxsw_sp_acl_atcam_region_12kb_init(struct mlxsw_sp_acl_atcam_region *aregion) { struct mlxsw_sp *mlxsw_sp = aregion->region->mlxsw_sp; struct mlxsw_sp_acl_atcam_region_12kb *region_12kb; - size_t alloc_size; u64 max_lkey_id; int err;

@@ -131,8 +130,7 @@ mlxsw_sp_acl_atcam_region_12kb_init(struct mlxsw_sp_acl_atcam_region *aregion) if (!region_12kb) return -ENOMEM;

- alloc_size = BITS_TO_LONGS(max_lkey_id) * sizeof(unsigned long); - region_12kb->used_lkey_id = kzalloc(alloc_size, GFP_KERNEL); + region_12kb->used_lkey_id = bitmap_zalloc(max_lkey_id, GFP_KERNEL); if (!region_12kb->used_lkey_id) { err = -ENOMEM; goto err_used_lkey_id_alloc; @@ -149,7 +147,7 @@ mlxsw_sp_acl_atcam_region_12kb_init(struct mlxsw_sp_acl_atcam_region *aregion) return 0;

err_rhashtable_init: - kfree(region_12kb->used_lkey_id); + bitmap_free(region_12kb->used_lkey_id); err_used_lkey_id_alloc: kfree(region_12kb); return err; @@ -161,7 +159,7 @@ mlxsw_sp_acl_atcam_region_12kb_fini(struct mlxsw_sp_acl_atcam_region *aregion) struct mlxsw_sp_acl_atcam_region_12kb *region_12kb = aregion->priv;

rhashtable_destroy(&region_12kb->lkey_ht); - kfree(region_12kb->used_lkey_id); + bitmap_free(region_12kb->used_lkey_id); kfree(region_12kb); }

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c index 4c98950380d5..d231f4d2888b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c @@ -301,6 +301,7 @@ mlxsw_sp_acl_erp_table_alloc(struct mlxsw_sp_acl_erp_core *erp_core, unsigned long *p_index) { unsigned int num_rows, entry_size; + unsigned long index;

/* We only allow allocations of entire rows */ if (num_erps % erp_core->num_erp_banks != 0) @@ -309,10 +310,11 @@ mlxsw_sp_acl_erp_table_alloc(struct mlxsw_sp_acl_erp_core *erp_core, entry_size = erp_core->erpt_entries_size[region_type]; num_rows = num_erps / erp_core->num_erp_banks;

- *p_index = gen_pool_alloc(erp_core->erp_tables, num_rows * entry_size); - if (*p_index == 0) + index = gen_pool_alloc(erp_core->erp_tables, num_rows * entry_size); + if (!index) return -ENOBUFS; - *p_index -= MLXSW_SP_ACL_ERP_GENALLOC_OFFSET; + + *p_index = index - MLXSW_SP_ACL_ERP_GENALLOC_OFFSET;

return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c index 7cccc41dd69c..483c8b75bebb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c @@ -29,70 +29,6 @@ size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp) #define MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_MIN 3000 /* ms */ #define MLXSW_SP_ACL_TCAM_VREGION_REHASH_CREDITS 100 /* number of entries */

-int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_acl_tcam *tcam) -{ - const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; - u64 max_tcam_regions; - u64 max_regions; - u64 max_groups; - size_t alloc_size; - int err; - - mutex_init(&tcam->lock); - tcam->vregion_rehash_intrvl = - MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_DFLT; - INIT_LIST_HEAD(&tcam->vregion_list); - - max_tcam_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, - ACL_MAX_TCAM_REGIONS); - max_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_REGIONS); - - /* Use 1:1 mapping between ACL region and TCAM region */ - if (max_tcam_regions < max_regions) - max_regions = max_tcam_regions; - - alloc_size = sizeof(tcam->used_regions[0]) * BITS_TO_LONGS(max_regions); - tcam->used_regions = kzalloc(alloc_size, GFP_KERNEL); - if (!tcam->used_regions) - return -ENOMEM; - tcam->max_regions = max_regions; - - max_groups = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_GROUPS); - alloc_size = sizeof(tcam->used_groups[0]) * BITS_TO_LONGS(max_groups); - tcam->used_groups = kzalloc(alloc_size, GFP_KERNEL); - if (!tcam->used_groups) { - err = -ENOMEM; - goto err_alloc_used_groups; - } - tcam->max_groups = max_groups; - tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core, - ACL_MAX_GROUP_SIZE); - - err = ops->init(mlxsw_sp, tcam->priv, tcam); - if (err) - goto err_tcam_init; - - return 0; - -err_tcam_init: - kfree(tcam->used_groups); -err_alloc_used_groups: - kfree(tcam->used_regions); - return err; -} - -void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, - struct mlxsw_sp_acl_tcam *tcam) -{ - const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; - - mutex_destroy(&tcam->lock); - ops->fini(mlxsw_sp, tcam->priv); - kfree(tcam->used_groups); - kfree(tcam->used_regions); -} - int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_rule_info *rulei, u32 *priority, bool fillup_priority) @@ -1545,6 +1481,73 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_acl_tcam_vregion_rehash_end(mlxsw_sp, vregion, ctx); }

+int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_tcam *tcam) +{ + const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; + u64 max_tcam_regions; + u64 max_regions; + u64 max_groups; + int err; + + mutex_init(&tcam->lock); + tcam->vregion_rehash_intrvl = + MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_DFLT; + INIT_LIST_HEAD(&tcam->vregion_list); + + max_tcam_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, + ACL_MAX_TCAM_REGIONS); + max_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_REGIONS); + + /* Use 1:1 mapping between ACL region and TCAM region */ + if (max_tcam_regions < max_regions) + max_regions = max_tcam_regions; + + tcam->used_regions = bitmap_zalloc(max_regions, GFP_KERNEL); + if (!tcam->used_regions) { + err = -ENOMEM; + goto err_alloc_used_regions; + } + tcam->max_regions = max_regions; + + max_groups = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_GROUPS); + tcam->used_groups = bitmap_zalloc(max_groups, GFP_KERNEL); + if (!tcam->used_groups) { + err = -ENOMEM; + goto err_alloc_used_groups; + } + tcam->max_groups = max_groups; + tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core, + ACL_MAX_GROUP_SIZE); + tcam->max_group_size = min_t(unsigned int, tcam->max_group_size, + MLXSW_REG_PAGT_ACL_MAX_NUM); + + err = ops->init(mlxsw_sp, tcam->priv, tcam); + if (err) + goto err_tcam_init; + + return 0; + +err_tcam_init: + bitmap_free(tcam->used_groups); +err_alloc_used_groups: + bitmap_free(tcam->used_regions); +err_alloc_used_regions: + mutex_destroy(&tcam->lock); + return err; +} + +void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_tcam *tcam) +{ + const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; + + ops->fini(mlxsw_sp, tcam->priv); + bitmap_free(tcam->used_groups); + bitmap_free(tcam->used_regions); + mutex_destroy(&tcam->lock); +} + static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = { MLXSW_AFK_ELEMENT_SRC_SYS_PORT, MLXSW_AFK_ELEMENT_DMAC_32_47, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c index b65b93a2b9bc..fc2257753b9b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_cnt.c @@ -122,7 +122,6 @@ int mlxsw_sp_counter_pool_init(struct mlxsw_sp *mlxsw_sp) unsigned int sub_pools_count = ARRAY_SIZE(mlxsw_sp_counter_sub_pools); struct devlink *devlink = priv_to_devlink(mlxsw_sp->core); struct mlxsw_sp_counter_pool *pool; - unsigned int map_size; int err;

pool = kzalloc(struct_size(pool, sub_pools, sub_pools_count), @@ -143,9 +142,7 @@ int mlxsw_sp_counter_pool_init(struct mlxsw_sp *mlxsw_sp) devlink_resource_occ_get_register(devlink, MLXSW_SP_RESOURCE_COUNTERS, mlxsw_sp_counter_pool_occ_get, pool);

- map_size = BITS_TO_LONGS(pool->pool_size) * sizeof(unsigned long); - - pool->usage = kzalloc(map_size, GFP_KERNEL); + pool->usage = bitmap_zalloc(pool->pool_size, GFP_KERNEL); if (!pool->usage) { err = -ENOMEM; goto err_usage_alloc; @@ -158,7 +155,7 @@ int mlxsw_sp_counter_pool_init(struct mlxsw_sp *mlxsw_sp) return 0;

err_sub_pools_init: - kfree(pool->usage); + bitmap_free(pool->usage); err_usage_alloc: devlink_resource_occ_get_unregister(devlink, MLXSW_SP_RESOURCE_COUNTERS); @@ -176,7 +173,7 @@ void mlxsw_sp_counter_pool_fini(struct mlxsw_sp *mlxsw_sp) WARN_ON(find_first_bit(pool->usage, pool->pool_size) != pool->pool_size); WARN_ON(atomic_read(&pool->active_entries_count)); - kfree(pool->usage); + bitmap_free(pool->usage); devlink_resource_occ_get_unregister(devlink, MLXSW_SP_RESOURCE_COUNTERS); kfree(pool); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 368fa0e5ad31..ea37f5000caa 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -1631,16 +1631,13 @@ mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, u16 fid) { struct mlxsw_sp_mid *mid; - size_t alloc_size;

mid = kzalloc(sizeof(*mid), GFP_KERNEL); if (!mid) return NULL;

- alloc_size = sizeof(unsigned long) * - BITS_TO_LONGS(mlxsw_core_max_ports(mlxsw_sp->core)); - - mid->ports_in_mid = kzalloc(alloc_size, GFP_KERNEL); + mid->ports_in_mid = bitmap_zalloc(mlxsw_core_max_ports(mlxsw_sp->core), + GFP_KERNEL); if (!mid->ports_in_mid) goto err_ports_in_mid_alloc;

@@ -1659,7 +1656,7 @@ mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, return mid;

err_write_mdb_entry: - kfree(mid->ports_in_mid); + bitmap_free(mid->ports_in_mid); err_ports_in_mid_alloc: kfree(mid); return NULL; @@ -1676,7 +1673,7 @@ static int mlxsw_sp_port_remove_from_mid(struct mlxsw_sp_port *mlxsw_sp_port, mlxsw_core_max_ports(mlxsw_sp->core))) { err = mlxsw_sp_mc_remove_mdb_entry(mlxsw_sp, mid); list_del(&mid->list); - kfree(mid->ports_in_mid); + bitmap_free(mid->ports_in_mid); kfree(mid); } return err; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index 8d51b0cb545c..93fa10ad08a0 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -389,7 +389,7 @@ static int rmnet_fill_info(struct sk_buff *skb, const struct net_device *dev)

struct rtnl_link_ops rmnet_link_ops __read_mostly = { .kind = "rmnet", - .maxtype = __IFLA_RMNET_MAX, + .maxtype = IFLA_RMNET_MAX, .priv_size = sizeof(struct rmnet_priv), .setup = rmnet_vnd_setup, .validate = rmnet_rtnl_validate, diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index f092f468016b..8a4dff0566f7 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1500,7 +1500,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct ravb_tstamp_skb *ts_skb; struct ravb_tx_desc *desc; unsigned long flags; - u32 dma_addr; + dma_addr_t dma_addr; void *buffer; u32 entry; u32 len; diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index d10324431354..94e36deefe88 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -51,7 +51,7 @@ #define AM65_CPSW_MAX_PORTS 8

#define AM65_CPSW_MIN_PACKET_SIZE VLAN_ETH_ZLEN -#define AM65_CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN) +#define AM65_CPSW_MAX_PACKET_SIZE 2024

#define AM65_CPSW_REG_CTL 0x004 #define AM65_CPSW_REG_STAT_PORT_EN 0x014 @@ -1853,7 +1853,8 @@ static int am65_cpsw_nuss_init_ndev_2g(struct am65_cpsw_common *common) ether_addr_copy(port->ndev->dev_addr, port->slave.mac_addr);

port->ndev->min_mtu = AM65_CPSW_MIN_PACKET_SIZE; - port->ndev->max_mtu = AM65_CPSW_MAX_PACKET_SIZE; + port->ndev->max_mtu = AM65_CPSW_MAX_PACKET_SIZE - + (VLAN_ETH_HLEN + ETH_FCS_LEN); port->ndev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | NETIF_F_HW_CSUM | diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index bbbe198f83e8..2b7616f161d6 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1345,6 +1345,7 @@ static struct phy_driver ksphy_driver[] = { /* PHY_GBIT_FEATURES */ .driver_data = &ksz9021_type, .probe = kszphy_probe, + .soft_reset = genphy_soft_reset, .config_init = ksz9131_config_init, .read_status = genphy_read_status, .ack_interrupt = kszphy_ack_interrupt, diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index 190bc5712e96..24006ddfba89 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -625,8 +625,8 @@ static int ath11k_core_get_rproc(struct ath11k_base *ab)

prproc = rproc_get_by_phandle(rproc_phandle); if (!prproc) { - ath11k_err(ab, "failed to get rproc\n"); - return -EINVAL; + ath11k_dbg(ab, ATH11K_DBG_AHB, "failed to get rproc, deferring\n"); + return -EPROBE_DEFER; } ab_ahb->tgt_rproc = prproc;

diff --git a/drivers/net/wireless/marvell/libertas/Kconfig b/drivers/net/wireless/marvell/libertas/Kconfig index 6d62ab49aa8d..c7d02adb3eea 100644 --- a/drivers/net/wireless/marvell/libertas/Kconfig +++ b/drivers/net/wireless/marvell/libertas/Kconfig @@ -2,8 +2,6 @@ config LIBERTAS tristate "Marvell 8xxx Libertas WLAN driver support" depends on CFG80211 - select WIRELESS_EXT - select WEXT_SPY select LIB80211 select FW_LOADER help diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 3d1b5d3d295a..2f5f1ff22a60 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -1980,6 +1980,8 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,

mwifiex_set_sys_config_invalid_data(bss_cfg);

+ memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN); + if (params->beacon_interval) bss_cfg->beacon_period = params->beacon_interval; if (params->dtim_period) diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 470d669c7f14..96c42b979e9b 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -177,6 +177,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define TLV_TYPE_STA_MAC_ADDR (PROPRIETARY_TLV_BASE_ID + 32) #define TLV_TYPE_BSSID (PROPRIETARY_TLV_BASE_ID + 35) #define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42) +#define TLV_TYPE_UAP_MAC_ADDRESS (PROPRIETARY_TLV_BASE_ID + 43) #define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44) #define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45) #define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48) diff --git a/drivers/net/wireless/marvell/mwifiex/ioctl.h b/drivers/net/wireless/marvell/mwifiex/ioctl.h index 3db449efa167..cdb5b3881782 100644 --- a/drivers/net/wireless/marvell/mwifiex/ioctl.h +++ b/drivers/net/wireless/marvell/mwifiex/ioctl.h @@ -119,6 +119,7 @@ struct mwifiex_uap_bss_param { u8 qos_info; u8 power_constraint; struct mwifiex_types_wmm_info wmm_info; + u8 mac_addr[ETH_ALEN]; };

enum { diff --git a/drivers/net/wireless/marvell/mwifiex/uap_cmd.c b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c index b48a85d791f6..2d444e660ac5 100644 --- a/drivers/net/wireless/marvell/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c @@ -479,6 +479,7 @@ void mwifiex_config_uap_11d(struct mwifiex_private *priv, static int mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) { + struct host_cmd_tlv_mac_addr *mac_tlv; struct host_cmd_tlv_dtim_period *dtim_period; struct host_cmd_tlv_beacon_period *beacon_period; struct host_cmd_tlv_ssid *ssid; @@ -498,6 +499,13 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) int i; u16 cmd_size = *param_size;

+ mac_tlv = (struct host_cmd_tlv_mac_addr *)tlv; + mac_tlv->header.type = cpu_to_le16(TLV_TYPE_UAP_MAC_ADDRESS); + mac_tlv->header.len = cpu_to_le16(ETH_ALEN); + memcpy(mac_tlv->mac_addr, bss_cfg->mac_addr, ETH_ALEN); + cmd_size += sizeof(struct host_cmd_tlv_mac_addr); + tlv += sizeof(struct host_cmd_tlv_mac_addr); + if (bss_cfg->ssid.ssid_len) { ssid = (struct host_cmd_tlv_ssid *)tlv; ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 3776495fd9d0..679ae786cf45 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -164,21 +164,29 @@ static bool _rtl_pci_platform_switch_device_pci_aspm( struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

+ value &= PCI_EXP_LNKCTL_ASPMC; + if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) - value |= 0x40; + value |= PCI_EXP_LNKCTL_CCC;

- pci_write_config_byte(rtlpci->pdev, 0x80, value); + pcie_capability_clear_and_set_word(rtlpci->pdev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_ASPMC | value, + value);

return false; }

-/*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/ -static void _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value) +/* @value is PCI_EXP_LNKCTL_CLKREQ_EN or 0 to enable/disable clk request. */ +static void _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u16 value) { struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));

- pci_write_config_byte(rtlpci->pdev, 0x81, value); + value &= PCI_EXP_LNKCTL_CLKREQ_EN; + + pcie_capability_clear_and_set_word(rtlpci->pdev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_CLKREQ_EN, + value);

if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) udelay(100); @@ -192,11 +200,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u8 num4bytes = pcipriv->ndis_adapter.num4bytes; /*Retrieve original configuration settings. */ u8 linkctrl_reg = pcipriv->ndis_adapter.linkctrl_reg; - u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter. - pcibridge_linkctrlreg; u16 aspmlevel = 0; u8 tmp_u1b = 0;

@@ -221,16 +226,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw) /*Set corresponding value. */ aspmlevel |= BIT(0) | BIT(1); linkctrl_reg &= ~aspmlevel; - pcibridge_linkctrlreg &= ~(BIT(0) | BIT(1));

_rtl_pci_platform_switch_device_pci_aspm(hw, linkctrl_reg); - udelay(50); - - /*4 Disable Pci Bridge ASPM */ - pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), - pcibridge_linkctrlreg); - - udelay(50); }

/*Enable RTL8192SE ASPM & Enable Pci Bridge ASPM for @@ -245,9 +242,7 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); u8 pcibridge_vendor = pcipriv->ndis_adapter.pcibridge_vendor; - u8 num4bytes = pcipriv->ndis_adapter.num4bytes; u16 aspmlevel; - u8 u_pcibridge_aspmsetting; u8 u_device_aspmsetting;

if (!ppsc->support_aspm) @@ -259,25 +254,6 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw) return; }

- /*4 Enable Pci Bridge ASPM */ - - u_pcibridge_aspmsetting = - pcipriv->ndis_adapter.pcibridge_linkctrlreg | - rtlpci->const_hostpci_aspm_setting; - - if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) - u_pcibridge_aspmsetting &= ~BIT(0); - - pci_write_config_byte(rtlpci->pdev, (num4bytes << 2), - u_pcibridge_aspmsetting); - - rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, - "PlatformEnableASPM(): Write reg[%x] = %x\n", - (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10), - u_pcibridge_aspmsetting); - - udelay(50); - /*Get ASPM level (with/without Clock Req) */ aspmlevel = rtlpci->const_devicepci_aspm_setting; u_device_aspmsetting = pcipriv->ndis_adapter.linkctrl_reg; @@ -291,7 +267,8 @@ static void rtl_pci_enable_aspm(struct ieee80211_hw *hw)

if (ppsc->reg_rfps_level & RT_RF_OFF_LEVL_CLK_REQ) { _rtl_pci_switch_clk_req(hw, (ppsc->reg_rfps_level & - RT_RF_OFF_LEVL_CLK_REQ) ? 1 : 0); + RT_RF_OFF_LEVL_CLK_REQ) ? + PCI_EXP_LNKCTL_CLKREQ_EN : 0); RT_SET_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_CLK_REQ); } udelay(100); @@ -359,22 +336,6 @@ static bool rtl_pci_check_buddy_priv(struct ieee80211_hw *hw, return find_buddy_priv; }

-static void rtl_pci_get_linkcontrol_field(struct ieee80211_hw *hw) -{ - struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(pcipriv); - u8 capabilityoffset = pcipriv->ndis_adapter.pcibridge_pciehdr_offset; - u8 linkctrl_reg; - u8 num4bbytes; - - num4bbytes = (capabilityoffset + 0x10) / 4; - - /*Read Link Control Register */ - pci_read_config_byte(rtlpci->pdev, (num4bbytes << 2), &linkctrl_reg); - - pcipriv->ndis_adapter.pcibridge_linkctrlreg = linkctrl_reg; -} - static void rtl_pci_parse_configuration(struct pci_dev *pdev, struct ieee80211_hw *hw) { @@ -2035,12 +1996,6 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, PCI_SLOT(bridge_pdev->devfn); pcipriv->ndis_adapter.pcibridge_funcnum = PCI_FUNC(bridge_pdev->devfn); - pcipriv->ndis_adapter.pcibridge_pciehdr_offset = - pci_pcie_cap(bridge_pdev); - pcipriv->ndis_adapter.num4bytes = - (pcipriv->ndis_adapter.pcibridge_pciehdr_offset + 0x10) / 4; - - rtl_pci_get_linkcontrol_field(hw);

if (pcipriv->ndis_adapter.pcibridge_vendor == PCI_BRIDGE_VENDOR_AMD) { @@ -2057,13 +2012,11 @@ static bool _rtl_pci_find_adapter(struct pci_dev *pdev, pdev->vendor, pcipriv->ndis_adapter.linkctrl_reg);

rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, - "pci_bridge busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd %d:%d:%d:%x:%x:%x:%x\n", + "pci_bridge busnumber:devnumber:funcnumber:vendor:amd %d:%d:%d:%x:%x\n", pcipriv->ndis_adapter.pcibridge_busnum, pcipriv->ndis_adapter.pcibridge_devnum, pcipriv->ndis_adapter.pcibridge_funcnum, pcibridge_vendors[pcipriv->ndis_adapter.pcibridge_vendor], - pcipriv->ndis_adapter.pcibridge_pciehdr_offset, - pcipriv->ndis_adapter.pcibridge_linkctrlreg, pcipriv->ndis_adapter.amd_l1_patch);

rtl_pci_parse_configuration(pdev, hw); diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.h b/drivers/net/wireless/realtek/rtlwifi/pci.h index 866861626a0a..d6307197dfea 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.h +++ b/drivers/net/wireless/realtek/rtlwifi/pci.h @@ -236,11 +236,6 @@ struct mp_adapter { u16 pcibridge_vendorid; u16 pcibridge_deviceid;

- u8 num4bytes; - - u8 pcibridge_pciehdr_offset; - u8 pcibridge_linkctrlreg; - bool amd_l1_patch; };

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c index 9be032e8ec95..3395601eaa59 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/phy.c @@ -16,12 +16,6 @@ static u32 _rtl88e_phy_rf_serial_read(struct ieee80211_hw *hw, static void _rtl88e_phy_rf_serial_write(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset, u32 data); -static u32 _rtl88e_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i = ffs(bitmask); - - return i ? i - 1 : 32; -} static bool _rtl88e_phy_bb8188e_config_parafile(struct ieee80211_hw *hw); static bool _rtl88e_phy_config_mac_with_headerfile(struct ieee80211_hw *hw); static bool phy_config_bb_with_headerfile(struct ieee80211_hw *hw, @@ -51,7 +45,7 @@ u32 rtl88e_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask); originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl88e_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); returnvalue = (originalvalue & bitmask) >> bitshift;

rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, @@ -74,7 +68,7 @@ void rtl88e_phy_set_bb_reg(struct ieee80211_hw *hw,

if (bitmask != MASKDWORD) { originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl88e_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((originalvalue & (~bitmask)) | (data << bitshift)); }

@@ -99,7 +93,7 @@ u32 rtl88e_phy_query_rf_reg(struct ieee80211_hw *hw,

original_value = _rtl88e_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl88e_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock); @@ -127,7 +121,7 @@ void rtl88e_phy_set_rf_reg(struct ieee80211_hw *hw, original_value = _rtl88e_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl88e_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.c index 3d29c8dbb255..144ee780e1b6 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.c @@ -17,7 +17,7 @@ u32 rtl92c_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask); originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); returnvalue = (originalvalue & bitmask) >> bitshift;

rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, @@ -40,7 +40,7 @@ void rtl92c_phy_set_bb_reg(struct ieee80211_hw *hw,

if (bitmask != MASKDWORD) { originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((originalvalue & (~bitmask)) | (data << bitshift)); }

@@ -143,14 +143,6 @@ void _rtl92c_phy_rf_serial_write(struct ieee80211_hw *hw, } EXPORT_SYMBOL(_rtl92c_phy_rf_serial_write);

-u32 _rtl92c_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i = ffs(bitmask); - - return i ? i - 1 : 32; -} -EXPORT_SYMBOL(_rtl92c_phy_calculate_bit_shift); - static void _rtl92c_phy_bb_config_1t(struct ieee80211_hw *hw) { rtl_set_bbreg(hw, RFPGA0_TXINFO, 0x3, 0x2); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.h index 75afa6253ad0..e64d377dfe9e 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.h +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/phy_common.h @@ -196,7 +196,6 @@ bool rtl92c_phy_set_rf_power_state(struct ieee80211_hw *hw, void rtl92ce_phy_set_rf_on(struct ieee80211_hw *hw); void rtl92c_phy_set_io(struct ieee80211_hw *hw); void rtl92c_bb_block_on(struct ieee80211_hw *hw); -u32 _rtl92c_phy_calculate_bit_shift(u32 bitmask); long _rtl92c_phy_txpwr_idx_to_dbm(struct ieee80211_hw *hw, enum wireless_mode wirelessmode, u8 txpwridx); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.c index 04735da11168..6b98e77768e9 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.c @@ -39,7 +39,7 @@ u32 rtl92c_phy_query_rf_reg(struct ieee80211_hw *hw, rfpath, regaddr); }

- bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock); @@ -110,7 +110,7 @@ void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw, original_value = _rtl92c_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); @@ -122,7 +122,7 @@ void rtl92ce_phy_set_rf_reg(struct ieee80211_hw *hw, original_value = _rtl92c_phy_fw_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.h index 7582a162bd11..c7a0d4c776f0 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.h +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.h @@ -94,7 +94,6 @@ u32 _rtl92c_phy_rf_serial_read(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset); u32 _rtl92c_phy_fw_rf_serial_read(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset); -u32 _rtl92c_phy_calculate_bit_shift(u32 bitmask); void _rtl92c_phy_rf_serial_write(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset, u32 data); void _rtl92c_phy_fw_rf_serial_write(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/phy.c index a8d9fe269f31..0b8cb7e61fd8 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/phy.c @@ -32,7 +32,7 @@ u32 rtl92cu_phy_query_rf_reg(struct ieee80211_hw *hw, original_value = _rtl92c_phy_fw_rf_serial_read(hw, rfpath, regaddr); } - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift; rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "regaddr(%#x), rfpath(%#x), bitmask(%#x), original_value(%#x)\n", @@ -56,7 +56,7 @@ void rtl92cu_phy_set_rf_reg(struct ieee80211_hw *hw, original_value = _rtl92c_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); @@ -67,7 +67,7 @@ void rtl92cu_phy_set_rf_reg(struct ieee80211_hw *hw, original_value = _rtl92c_phy_fw_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92c_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c index d3027f8fbd38..af0c7d74b3f5 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c @@ -160,12 +160,14 @@ static u32 targetchnl_2g[TARGET_CHNL_NUM_2G] = { 25711, 25658, 25606, 25554, 25502, 25451, 25328 };

-static u32 _rtl92d_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i = ffs(bitmask); - - return i ? i - 1 : 32; -} +static const u8 channel_all[59] = { + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, + 60, 62, 64, 100, 102, 104, 106, 108, 110, 112, + 114, 116, 118, 120, 122, 124, 126, 128, 130, + 132, 134, 136, 138, 140, 149, 151, 153, 155, + 157, 159, 161, 163, 165 +};

u32 rtl92d_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) { @@ -189,7 +191,7 @@ u32 rtl92d_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) } else { originalvalue = rtl_read_dword(rtlpriv, regaddr); } - bitshift = _rtl92d_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); returnvalue = (originalvalue & bitmask) >> bitshift; rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "BBR MASK=0x%x Addr[0x%x]=0x%x\n", @@ -221,7 +223,7 @@ void rtl92d_phy_set_bb_reg(struct ieee80211_hw *hw, dbi_direct); else originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92d_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((originalvalue & (~bitmask)) | (data << bitshift)); } if (rtlhal->during_mac1init_radioa || rtlhal->during_mac0init_radiob) @@ -308,7 +310,7 @@ u32 rtl92d_phy_query_rf_reg(struct ieee80211_hw *hw, regaddr, rfpath, bitmask); spin_lock(&rtlpriv->locks.rf_lock); original_value = _rtl92d_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92d_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift; spin_unlock(&rtlpriv->locks.rf_lock); rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, @@ -334,7 +336,7 @@ void rtl92d_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath, if (bitmask != RFREG_OFFSET_MASK) { original_value = _rtl92d_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92d_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); } @@ -1354,14 +1356,6 @@ static void _rtl92d_phy_switch_rf_setting(struct ieee80211_hw *hw, u8 channel)

u8 rtl92d_get_rightchnlplace_for_iqk(u8 chnl) { - u8 channel_all[59] = { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, - 60, 62, 64, 100, 102, 104, 106, 108, 110, 112, - 114, 116, 118, 120, 122, 124, 126, 128, 130, - 132, 134, 136, 138, 140, 149, 151, 153, 155, - 157, 159, 161, 163, 165 - }; u8 place = chnl;

if (chnl > 14) { @@ -3216,37 +3210,28 @@ void rtl92d_phy_config_macphymode_info(struct ieee80211_hw *hw) u8 rtl92d_get_chnlgroup_fromarray(u8 chnl) { u8 group; - u8 channel_info[59] = { - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, - 58, 60, 62, 64, 100, 102, 104, 106, 108, - 110, 112, 114, 116, 118, 120, 122, 124, - 126, 128, 130, 132, 134, 136, 138, 140, - 149, 151, 153, 155, 157, 159, 161, 163, - 165 - };

- if (channel_info[chnl] <= 3) + if (channel_all[chnl] <= 3) group = 0; - else if (channel_info[chnl] <= 9) + else if (channel_all[chnl] <= 9) group = 1; - else if (channel_info[chnl] <= 14) + else if (channel_all[chnl] <= 14) group = 2; - else if (channel_info[chnl] <= 44) + else if (channel_all[chnl] <= 44) group = 3; - else if (channel_info[chnl] <= 54) + else if (channel_all[chnl] <= 54) group = 4; - else if (channel_info[chnl] <= 64) + else if (channel_all[chnl] <= 64) group = 5; - else if (channel_info[chnl] <= 112) + else if (channel_all[chnl] <= 112) group = 6; - else if (channel_info[chnl] <= 126) + else if (channel_all[chnl] <= 126) group = 7; - else if (channel_info[chnl] <= 140) + else if (channel_all[chnl] <= 140) group = 8; - else if (channel_info[chnl] <= 153) + else if (channel_all[chnl] <= 153) group = 9; - else if (channel_info[chnl] <= 159) + else if (channel_all[chnl] <= 159) group = 10; else group = 11; diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c index cc0bcaf13e96..73ef602bfb01 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c @@ -16,7 +16,6 @@ static u32 _rtl92ee_phy_rf_serial_read(struct ieee80211_hw *hw, static void _rtl92ee_phy_rf_serial_write(struct ieee80211_hw *hw, enum radio_path rfpath, u32 offset, u32 data); -static u32 _rtl92ee_phy_calculate_bit_shift(u32 bitmask); static bool _rtl92ee_phy_bb8192ee_config_parafile(struct ieee80211_hw *hw); static bool _rtl92ee_phy_config_mac_with_headerfile(struct ieee80211_hw *hw); static bool phy_config_bb_with_hdr_file(struct ieee80211_hw *hw, @@ -46,7 +45,7 @@ u32 rtl92ee_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "regaddr(%#x), bitmask(%#x)\n", regaddr, bitmask); originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92ee_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); returnvalue = (originalvalue & bitmask) >> bitshift;

rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, @@ -68,7 +67,7 @@ void rtl92ee_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr,

if (bitmask != MASKDWORD) { originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92ee_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((originalvalue & (~bitmask)) | (data << bitshift)); }

@@ -92,7 +91,7 @@ u32 rtl92ee_phy_query_rf_reg(struct ieee80211_hw *hw, spin_lock(&rtlpriv->locks.rf_lock);

original_value = _rtl92ee_phy_rf_serial_read(hw , rfpath, regaddr); - bitshift = _rtl92ee_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock); @@ -119,7 +118,7 @@ void rtl92ee_phy_set_rf_reg(struct ieee80211_hw *hw,

if (bitmask != RFREG_OFFSET_MASK) { original_value = _rtl92ee_phy_rf_serial_read(hw, rfpath, addr); - bitshift = _rtl92ee_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = (original_value & (~bitmask)) | (data << bitshift); }

@@ -201,13 +200,6 @@ static void _rtl92ee_phy_rf_serial_write(struct ieee80211_hw *hw, pphyreg->rf3wire_offset, data_and_addr); }

-static u32 _rtl92ee_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i = ffs(bitmask); - - return i ? i - 1 : 32; -} - bool rtl92ee_phy_mac_config(struct ieee80211_hw *hw) { return _rtl92ee_phy_config_mac_with_headerfile(hw); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c index 63283d9e7485..cd735d61f630 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c @@ -14,13 +14,6 @@ #include "hw.h" #include "table.h"

-static u32 _rtl92s_phy_calculate_bit_shift(u32 bitmask) -{ - u32 i = ffs(bitmask); - - return i ? i - 1 : 32; -} - u32 rtl92s_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) { struct rtl_priv *rtlpriv = rtl_priv(hw); @@ -30,7 +23,7 @@ u32 rtl92s_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask) regaddr, bitmask);

originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92s_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); returnvalue = (originalvalue & bitmask) >> bitshift;

rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "BBR MASK=0x%x Addr[0x%x]=0x%x\n", @@ -52,7 +45,7 @@ void rtl92s_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask,

if (bitmask != MASKDWORD) { originalvalue = rtl_read_dword(rtlpriv, regaddr); - bitshift = _rtl92s_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((originalvalue & (~bitmask)) | (data << bitshift)); }

@@ -160,7 +153,7 @@ u32 rtl92s_phy_query_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,

original_value = _rtl92s_phy_rf_serial_read(hw, rfpath, regaddr);

- bitshift = _rtl92s_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock); @@ -191,7 +184,7 @@ void rtl92s_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath, if (bitmask != RFREG_OFFSET_MASK) { original_value = _rtl92s_phy_rf_serial_read(hw, rfpath, regaddr); - bitshift = _rtl92s_phy_calculate_bit_shift(bitmask); + bitshift = calculate_bit_shift(bitmask); data = ((original_value & (~bitmask)) | (data << bitshift)); }

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c index c0c06ab6d3e7..fb143a5f9cc3 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c @@ -29,9 +29,10 @@ static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw, u32 data); static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask) { - u32 i = ffs(bitmask); + if (WARN_ON_ONCE(!bitmask)) + return 0;

- return i ? i - 1 : 32; + return __ffs(bitmask); } static bool _rtl8821ae_phy_bb8821a_config_parafile(struct ieee80211_hw *hw); /*static bool _rtl8812ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);*/ diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index fdccfd29fd61..a89e232d6963 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -3111,4 +3111,11 @@ static inline struct ieee80211_sta *rtl_find_sta(struct ieee80211_hw *hw, return ieee80211_find_sta(mac->vif, mac_addr); }

+static inline u32 calculate_bit_shift(u32 bitmask) +{ + if (WARN_ON_ONCE(!bitmask)) + return 0; + + return __ffs(bitmask); +} #endif diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index c92fba2fa480..0a3766781347 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -264,9 +264,9 @@ static void rtw_ops_configure_filter(struct ieee80211_hw *hw,

if (changed_flags & FIF_ALLMULTI) { if (*new_flags & FIF_ALLMULTI) - rtwdev->hal.rcr |= BIT_AM | BIT_AB; + rtwdev->hal.rcr |= BIT_AM; else - rtwdev->hal.rcr &= ~(BIT_AM | BIT_AB); + rtwdev->hal.rcr &= ~(BIT_AM); } if (changed_flags & FIF_FCSFAIL) { if (*new_flags & FIF_FCSFAIL) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 1c366ddf62bc..d25bb5b9a54c 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -463,12 +463,25 @@ static void xenvif_get_requests(struct xenvif_queue *queue, }

for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS; - shinfo->nr_frags++, gop++, nr_slots--) { + nr_slots--) { + if (unlikely(!txp->size)) { + unsigned long flags; + + spin_lock_irqsave(&queue->response_lock, flags); + make_tx_response(queue, txp, 0, XEN_NETIF_RSP_OKAY); + push_tx_responses(queue); + spin_unlock_irqrestore(&queue->response_lock, flags); + ++txp; + continue; + } + index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, pending_idx, txp, txp == first ? extra_count : 0, gop); frag_set_pending_idx(&frags[shinfo->nr_frags], pending_idx); + ++shinfo->nr_frags; + ++gop;

if (txp == first) txp = txfrags; @@ -481,20 +494,39 @@ static void xenvif_get_requests(struct xenvif_queue *queue, shinfo = skb_shinfo(nskb); frags = shinfo->frags;

- for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; - shinfo->nr_frags++, txp++, gop++) { + for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; ++txp) { + if (unlikely(!txp->size)) { + unsigned long flags; + + spin_lock_irqsave(&queue->response_lock, flags); + make_tx_response(queue, txp, 0, + XEN_NETIF_RSP_OKAY); + push_tx_responses(queue); + spin_unlock_irqrestore(&queue->response_lock, + flags); + continue; + } + index = pending_index(queue->pending_cons++); pending_idx = queue->pending_ring[index]; xenvif_tx_create_map_op(queue, pending_idx, txp, 0, gop); frag_set_pending_idx(&frags[shinfo->nr_frags], pending_idx); + ++shinfo->nr_frags; + ++gop; }

- skb_shinfo(skb)->frag_list = nskb; - } else if (nskb) { + if (shinfo->nr_frags) { + skb_shinfo(skb)->frag_list = nskb; + nskb = NULL; + } + } + + if (nskb) { /* A frag_list skb was allocated but it is no longer needed - * because enough slots were converted to copy ops above. + * because enough slots were converted to copy ops above or some + * were empty. */ kfree_skb(nskb); } diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 07c41a149328..30a642c8f537 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2071,9 +2071,10 @@ static void nvme_update_disk_info(struct gendisk *disk,

/* * The block layer can't support LBA sizes larger than the page size - * yet, so catch this early and don't allow block I/O. + * or smaller than a sector size yet, so catch this early and don't + * allow block I/O. */ - if (ns->lba_shift > PAGE_SHIFT) { + if (ns->lba_shift > PAGE_SHIFT || ns->lba_shift < SECTOR_SHIFT) { capacity = 0; bs = (1 << 9); } diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index c3e4d9b6f9c0..1e56fe8e8157 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -354,6 +354,11 @@ struct nvme_ctrl { struct nvme_fault_inject fault_inject; };

+static inline enum nvme_ctrl_state nvme_ctrl_state(struct nvme_ctrl *ctrl) +{ + return READ_ONCE(ctrl->state); +} + enum nvme_iopolicy { NVME_IOPOLICY_NUMA, NVME_IOPOLICY_RR, diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 7ce22d173fc7..116ae6fd35e2 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -18,6 +18,7 @@ #include "nvmet.h"

#define NVMET_TCP_DEF_INLINE_DATA_SIZE (4 * PAGE_SIZE) +#define NVMET_TCP_MAXH2CDATA 0x400000 /* 16M arbitrary limit */

/* Define the socket priority to use for connections were it is desirable * that the NIC consider performing optimized packet processing or filtering. @@ -872,7 +873,7 @@ static int nvmet_tcp_handle_icreq(struct nvmet_tcp_queue *queue) icresp->hdr.pdo = 0; icresp->hdr.plen = cpu_to_le32(icresp->hdr.hlen); icresp->pfv = cpu_to_le16(NVME_TCP_PFV_1_0); - icresp->maxdata = cpu_to_le32(0x400000); /* 16M arbitrary limit */ + icresp->maxdata = cpu_to_le32(NVMET_TCP_MAXH2CDATA); icresp->cpda = 0; if (queue->hdr_digest) icresp->digest |= NVME_TCP_HDR_DIGEST_ENABLE; @@ -918,6 +919,7 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) { struct nvme_tcp_data_pdu *data = &queue->pdu.data; struct nvmet_tcp_cmd *cmd; + unsigned int exp_data_len;

if (likely(queue->nr_cmds)) { if (unlikely(data->ttag >= queue->nr_cmds)) { @@ -936,12 +938,24 @@ static int nvmet_tcp_handle_h2c_data_pdu(struct nvmet_tcp_queue *queue) data->ttag, le32_to_cpu(data->data_offset), cmd->rbytes_done); /* FIXME: use path and transport errors */ - nvmet_req_complete(&cmd->req, - NVME_SC_INVALID_FIELD | NVME_SC_DNR); + nvmet_tcp_fatal_error(queue); return -EPROTO; }

+ exp_data_len = le32_to_cpu(data->hdr.plen) - + nvmet_tcp_hdgst_len(queue) - + nvmet_tcp_ddgst_len(queue) - + sizeof(*data); + cmd->pdu_len = le32_to_cpu(data->data_length); + if (unlikely(cmd->pdu_len != exp_data_len || + cmd->pdu_len == 0 || + cmd->pdu_len > NVMET_TCP_MAXH2CDATA)) { + pr_err("H2CData PDU len %u is invalid\n", cmd->pdu_len); + /* FIXME: use proper transport errors */ + nvmet_tcp_fatal_error(queue); + return -EPROTO; + } cmd->pdu_recv = 0; nvmet_tcp_map_pdu_iovec(cmd); queue->cmd = cmd; diff --git a/drivers/of/base.c b/drivers/of/base.c index eb02974f36bd..0e428880d88b 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1670,6 +1670,7 @@ int of_parse_phandle_with_args_map(const struct device_node *np, out_args->np = new; of_node_put(cur); cur = new; + new = NULL; } put: of_node_put(cur); diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index 6b33be4c4416..aa0d7027ffa6 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -38,6 +38,13 @@ provider4: provider4 { phandle-map-pass-thru = <0x0 0xf0>; };

+ provider5: provider5 { + #phandle-cells = <2>; + phandle-map = <2 7 &provider4 2 3>; + phandle-map-mask = <0xff 0xf>; + phandle-map-pass-thru = <0x0 0xf0>; + }; + consumer-a { phandle-list = <&provider1 1>, <&provider2 2 0>, @@ -64,7 +71,8 @@ consumer-b { <&provider4 4 0x100>, <&provider4 0 0x61>, <&provider0>, - <&provider4 19 0x20>; + <&provider4 19 0x20>, + <&provider5 2 7>; phandle-list-bad-phandle = <12345678 0 0>; phandle-list-bad-args = <&provider2 1 0>, <&provider4 0>; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 412d7ddb3b8b..f9083c868a36 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -447,6 +447,9 @@ static void __init of_unittest_parse_phandle_with_args(void)

unittest(passed, "index %i - data error on node %pOF rc=%i\n", i, args.np, rc); + + if (rc == 0) + of_node_put(args.np); }

/* Check for missing list property */ @@ -536,8 +539,9 @@ static void __init of_unittest_parse_phandle_with_args(void)

static void __init of_unittest_parse_phandle_with_args_map(void) { - struct device_node *np, *p0, *p1, *p2, *p3; + struct device_node *np, *p[6] = {}; struct of_phandle_args args; + unsigned int prefs[6]; int i, rc;

np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-b"); @@ -546,34 +550,24 @@ static void __init of_unittest_parse_phandle_with_args_map(void) return; }

- p0 = of_find_node_by_path("/testcase-data/phandle-tests/provider0"); - if (!p0) { - pr_err("missing testcase data\n"); - return; - } - - p1 = of_find_node_by_path("/testcase-data/phandle-tests/provider1"); - if (!p1) { - pr_err("missing testcase data\n"); - return; - } - - p2 = of_find_node_by_path("/testcase-data/phandle-tests/provider2"); - if (!p2) { - pr_err("missing testcase data\n"); - return; - } - - p3 = of_find_node_by_path("/testcase-data/phandle-tests/provider3"); - if (!p3) { - pr_err("missing testcase data\n"); - return; + p[0] = of_find_node_by_path("/testcase-data/phandle-tests/provider0"); + p[1] = of_find_node_by_path("/testcase-data/phandle-tests/provider1"); + p[2] = of_find_node_by_path("/testcase-data/phandle-tests/provider2"); + p[3] = of_find_node_by_path("/testcase-data/phandle-tests/provider3"); + p[4] = of_find_node_by_path("/testcase-data/phandle-tests/provider4"); + p[5] = of_find_node_by_path("/testcase-data/phandle-tests/provider5"); + for (i = 0; i < ARRAY_SIZE(p); ++i) { + if (!p[i]) { + pr_err("missing testcase data\n"); + return; + } + prefs[i] = kref_read(&p[i]->kobj.kref); }

rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells"); - unittest(rc == 7, "of_count_phandle_with_args() returned %i, expected 7\n", rc); + unittest(rc == 8, "of_count_phandle_with_args() returned %i, expected 8\n", rc);

- for (i = 0; i < 8; i++) { + for (i = 0; i < 9; i++) { bool passed = true;

memset(&args, 0, sizeof(args)); @@ -584,13 +578,13 @@ static void __init of_unittest_parse_phandle_with_args_map(void) switch (i) { case 0: passed &= !rc; - passed &= (args.np == p1); + passed &= (args.np == p[1]); passed &= (args.args_count == 1); passed &= (args.args[0] == 1); break; case 1: passed &= !rc; - passed &= (args.np == p3); + passed &= (args.np == p[3]); passed &= (args.args_count == 3); passed &= (args.args[0] == 2); passed &= (args.args[1] == 5); @@ -601,28 +595,36 @@ static void __init of_unittest_parse_phandle_with_args_map(void) break; case 3: passed &= !rc; - passed &= (args.np == p0); + passed &= (args.np == p[0]); passed &= (args.args_count == 0); break; case 4: passed &= !rc; - passed &= (args.np == p1); + passed &= (args.np == p[1]); passed &= (args.args_count == 1); passed &= (args.args[0] == 3); break; case 5: passed &= !rc; - passed &= (args.np == p0); + passed &= (args.np == p[0]); passed &= (args.args_count == 0); break; case 6: passed &= !rc; - passed &= (args.np == p2); + passed &= (args.np == p[2]); passed &= (args.args_count == 2); passed &= (args.args[0] == 15); passed &= (args.args[1] == 0x20); break; case 7: + passed &= !rc; + passed &= (args.np == p[3]); + passed &= (args.args_count == 3); + passed &= (args.args[0] == 2); + passed &= (args.args[1] == 5); + passed &= (args.args[2] == 3); + break; + case 8: passed &= (rc == -ENOENT); break; default: @@ -631,6 +633,9 @@ static void __init of_unittest_parse_phandle_with_args_map(void)

unittest(passed, "index %i - data error on node %s rc=%i\n", i, args.np->full_name, rc); + + if (rc == 0) + of_node_put(args.np); }

/* Check for missing list property */ @@ -677,6 +682,13 @@ static void __init of_unittest_parse_phandle_with_args_map(void) "OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found -1");

unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc); + + for (i = 0; i < ARRAY_SIZE(p); ++i) { + unittest(prefs[i] == kref_read(&p[i]->kobj.kref), + "provider%d: expected:%d got:%d\n", + i, prefs[i], kref_read(&p[i]->kobj.kref)); + of_node_put(p[i]); + } }

static void __init of_unittest_property_string(void) diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c index 96b888bb49c6..46f213270689 100644 --- a/drivers/parport/parport_serial.c +++ b/drivers/parport/parport_serial.c @@ -65,6 +65,10 @@ enum parport_pc_pci_cards { sunix_5069a, sunix_5079a, sunix_5099a, + brainboxes_uc257, + brainboxes_is300, + brainboxes_uc414, + brainboxes_px263, };

/* each element directly indexed from enum list, above */ @@ -158,6 +162,10 @@ static struct parport_pc_pci cards[] = { /* sunix_5069a */ { 1, { { 1, 2 }, } }, /* sunix_5079a */ { 1, { { 1, 2 }, } }, /* sunix_5099a */ { 1, { { 1, 2 }, } }, + /* brainboxes_uc257 */ { 1, { { 3, -1 }, } }, + /* brainboxes_is300 */ { 1, { { 3, -1 }, } }, + /* brainboxes_uc414 */ { 1, { { 3, -1 }, } }, + /* brainboxes_px263 */ { 1, { { 3, -1 }, } }, };

static struct pci_device_id parport_serial_pci_tbl[] = { @@ -277,6 +285,38 @@ static struct pci_device_id parport_serial_pci_tbl[] = { { PCI_VENDOR_ID_SUNIX, PCI_DEVICE_ID_SUNIX_1999, PCI_VENDOR_ID_SUNIX, 0x0104, 0, 0, sunix_5099a },

+ /* Brainboxes UC-203 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0bc1, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0bc2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + + /* Brainboxes UC-257 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0861, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0862, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0863, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + + /* Brainboxes UC-414 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0e61, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc414 }, + + /* Brainboxes UC-475 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0981, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0982, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc257 }, + + /* Brainboxes IS-300/IS-500 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0da0, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_is300 }, + + /* Brainboxes PX-263/PX-295 */ + { PCI_VENDOR_ID_INTASHIELD, 0x402c, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px263 }, + { 0, } /* terminate list */ }; MODULE_DEVICE_TABLE(pci,parport_serial_pci_tbl); @@ -542,6 +582,30 @@ static struct pciserial_board pci_parport_serial_boards[] = { .base_baud = 921600, .uart_offset = 0x8, }, + [brainboxes_uc257] = { + .flags = FL_BASE2, + .num_ports = 2, + .base_baud = 115200, + .uart_offset = 8, + }, + [brainboxes_is300] = { + .flags = FL_BASE2, + .num_ports = 1, + .base_baud = 115200, + .uart_offset = 8, + }, + [brainboxes_uc414] = { + .flags = FL_BASE2, + .num_ports = 4, + .base_baud = 115200, + .uart_offset = 8, + }, + [brainboxes_px263] = { + .flags = FL_BASE2, + .num_ports = 4, + .base_baud = 921600, + .uart_offset = 8, + }, };

struct parport_serial_private { diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index afaea201a5af..d3c3ca3ef4ba 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -1261,7 +1261,16 @@ static int ks_pcie_probe(struct platform_device *pdev) goto err_link; }

+ /* Obtain references to the PHYs */ + for (i = 0; i < num_lanes; i++) + phy_pm_runtime_get_sync(ks_pcie->phy[i]); + ret = ks_pcie_enable_phy(ks_pcie); + + /* Release references to the PHYs */ + for (i = 0; i < num_lanes; i++) + phy_pm_runtime_put_sync(ks_pcie->phy[i]); + if (ret) { dev_err(dev, "failed to enable phy\n"); goto err_link; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 500905dad643..21661feeeeb6 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4551,17 +4551,21 @@ static int pci_quirk_xgene_acs(struct pci_dev *dev, u16 acs_flags) * But the implementation could block peer-to-peer transactions between them * and provide ACS-like functionality. */ -static int pci_quirk_zhaoxin_pcie_ports_acs(struct pci_dev *dev, u16 acs_flags) +static int pci_quirk_zhaoxin_pcie_ports_acs(struct pci_dev *dev, u16 acs_flags) { if (!pci_is_pcie(dev) || ((pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT) && (pci_pcie_type(dev) != PCI_EXP_TYPE_DOWNSTREAM))) return -ENOTTY;

+ /* + * Future Zhaoxin Root Ports and Switch Downstream Ports will + * implement ACS capability in accordance with the PCIe Spec. + */ switch (dev->device) { case 0x0710 ... 0x071e: case 0x0721: - case 0x0723 ... 0x0732: + case 0x0723 ... 0x0752: return pci_acs_ctrl_enabled(acs_flags, PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); } diff --git a/drivers/pinctrl/cirrus/Kconfig b/drivers/pinctrl/cirrus/Kconfig index 530426a74f75..b3cea8d56c4f 100644 --- a/drivers/pinctrl/cirrus/Kconfig +++ b/drivers/pinctrl/cirrus/Kconfig @@ -1,7 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only config PINCTRL_LOCHNAGAR tristate "Cirrus Logic Lochnagar pinctrl driver" - depends on MFD_LOCHNAGAR + # Avoid clash caused by MIPS defining RST, which is used in the driver + depends on MFD_LOCHNAGAR && !MIPS select GPIOLIB select PINMUX select PINCONF diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c index de1fa71be1e8..d1071dbb904e 100644 --- a/drivers/power/supply/cw2015_battery.c +++ b/drivers/power/supply/cw2015_battery.c @@ -490,7 +490,7 @@ static int cw_battery_get_property(struct power_supply *psy,

case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: if (cw_battery_valid_time_to_empty(cw_bat)) - val->intval = cw_bat->time_to_empty; + val->intval = cw_bat->time_to_empty * 60; else val->intval = 0; break; diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index 00c642fa2eed..db951a37c048 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -60,9 +60,10 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) snprintf(name, sizeof(name), "timer%u", pwm->hwpwm);

clk = clk_get(chip->dev, name); - if (IS_ERR(clk)) - return dev_err_probe(chip->dev, PTR_ERR(clk), - "Failed to get clock\n"); + if (IS_ERR(clk)) { + dev_err(chip->dev, "error %pe: Failed to get clock\n", clk); + return PTR_ERR(clk); + }

err = clk_prepare_enable(clk); if (err < 0) { diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index d3be944f2ae9..69b7bc604946 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -115,14 +115,14 @@ static int stm32_pwm_raw_capture(struct stm32_pwm *priv, struct pwm_device *pwm, int ret;

/* Ensure registers have been updated, enable counter and capture */ - regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG); - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, TIM_CR1_CEN); + regmap_set_bits(priv->regmap, TIM_EGR, TIM_EGR_UG); + regmap_set_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN);

/* Use cc1 or cc3 DMA resp for PWM input channels 1 & 2 or 3 & 4 */ dma_id = pwm->hwpwm < 2 ? STM32_TIMERS_DMA_CH1 : STM32_TIMERS_DMA_CH3; ccen = pwm->hwpwm < 2 ? TIM_CCER_CC12E : TIM_CCER_CC34E; ccr = pwm->hwpwm < 2 ? TIM_CCR1 : TIM_CCR3; - regmap_update_bits(priv->regmap, TIM_CCER, ccen, ccen); + regmap_set_bits(priv->regmap, TIM_CCER, ccen);

/* * Timer DMA burst mode. Request 2 registers, 2 bursts, to get both @@ -160,8 +160,8 @@ static int stm32_pwm_raw_capture(struct stm32_pwm *priv, struct pwm_device *pwm, }

stop: - regmap_update_bits(priv->regmap, TIM_CCER, ccen, 0); - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0); + regmap_clear_bits(priv->regmap, TIM_CCER, ccen); + regmap_clear_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN);

return ret; } @@ -359,7 +359,7 @@ static int stm32_pwm_config(struct stm32_pwm *priv, int ch,

regmap_write(priv->regmap, TIM_PSC, prescaler); regmap_write(priv->regmap, TIM_ARR, prd - 1); - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE, TIM_CR1_ARPE); + regmap_set_bits(priv->regmap, TIM_CR1, TIM_CR1_ARPE);

/* Calculate the duty cycles */ dty = prd * duty_ns; @@ -377,7 +377,7 @@ static int stm32_pwm_config(struct stm32_pwm *priv, int ch, else regmap_update_bits(priv->regmap, TIM_CCMR2, mask, ccmr);

- regmap_update_bits(priv->regmap, TIM_BDTR, TIM_BDTR_MOE, TIM_BDTR_MOE); + regmap_set_bits(priv->regmap, TIM_BDTR, TIM_BDTR_MOE);

return 0; } @@ -411,13 +411,13 @@ static int stm32_pwm_enable(struct stm32_pwm *priv, int ch) if (priv->have_complementary_output) mask |= TIM_CCER_CC1NE << (ch * 4);

- regmap_update_bits(priv->regmap, TIM_CCER, mask, mask); + regmap_set_bits(priv->regmap, TIM_CCER, mask);

/* Make sure that registers are updated */ - regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG); + regmap_set_bits(priv->regmap, TIM_EGR, TIM_EGR_UG);

/* Enable controller */ - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, TIM_CR1_CEN); + regmap_set_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN);

return 0; } @@ -431,11 +431,11 @@ static void stm32_pwm_disable(struct stm32_pwm *priv, int ch) if (priv->have_complementary_output) mask |= TIM_CCER_CC1NE << (ch * 4);

- regmap_update_bits(priv->regmap, TIM_CCER, mask, 0); + regmap_clear_bits(priv->regmap, TIM_CCER, mask);

/* When all channels are disabled, we can disable the controller */ if (!active_channels(priv)) - regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN, 0); + regmap_clear_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN);

clk_disable(priv->clk); } @@ -568,41 +568,30 @@ static void stm32_pwm_detect_complementary(struct stm32_pwm *priv) * If complementary bit doesn't exist writing 1 will have no * effect so we can detect it. */ - regmap_update_bits(priv->regmap, - TIM_CCER, TIM_CCER_CC1NE, TIM_CCER_CC1NE); + regmap_set_bits(priv->regmap, TIM_CCER, TIM_CCER_CC1NE); regmap_read(priv->regmap, TIM_CCER, &ccer); - regmap_update_bits(priv->regmap, TIM_CCER, TIM_CCER_CC1NE, 0); + regmap_clear_bits(priv->regmap, TIM_CCER, TIM_CCER_CC1NE);

priv->have_complementary_output = (ccer != 0); }

-static int stm32_pwm_detect_channels(struct stm32_pwm *priv) +static unsigned int stm32_pwm_detect_channels(struct stm32_pwm *priv, + unsigned int *num_enabled) { - u32 ccer; - int npwm = 0; + u32 ccer, ccer_backup;

/* * If channels enable bits don't exist writing 1 will have no * effect so we can detect and count them. */ - regmap_update_bits(priv->regmap, - TIM_CCER, TIM_CCER_CCXE, TIM_CCER_CCXE); + regmap_read(priv->regmap, TIM_CCER, &ccer_backup); + regmap_set_bits(priv->regmap, TIM_CCER, TIM_CCER_CCXE); regmap_read(priv->regmap, TIM_CCER, &ccer); - regmap_update_bits(priv->regmap, TIM_CCER, TIM_CCER_CCXE, 0); - - if (ccer & TIM_CCER_CC1E) - npwm++; + regmap_write(priv->regmap, TIM_CCER, ccer_backup);

- if (ccer & TIM_CCER_CC2E) - npwm++; + *num_enabled = hweight32(ccer_backup & TIM_CCER_CCXE);

- if (ccer & TIM_CCER_CC3E) - npwm++; - - if (ccer & TIM_CCER_CC4E) - npwm++; - - return npwm; + return hweight32(ccer & TIM_CCER_CCXE); }

static int stm32_pwm_probe(struct platform_device *pdev) @@ -611,6 +600,8 @@ static int stm32_pwm_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; struct stm32_timers *ddata = dev_get_drvdata(pdev->dev.parent); struct stm32_pwm *priv; + unsigned int num_enabled; + unsigned int i; int ret;

priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -636,7 +627,11 @@ static int stm32_pwm_probe(struct platform_device *pdev) priv->chip.base = -1; priv->chip.dev = dev; priv->chip.ops = &stm32pwm_ops; - priv->chip.npwm = stm32_pwm_detect_channels(priv); + priv->chip.npwm = stm32_pwm_detect_channels(priv, &num_enabled); + + /* Initialize clock refcount to number of enabled PWM channels. */ + for (i = 0; i < num_enabled; i++) + clk_enable(priv->clk);

ret = pwmchip_add(&priv->chip); if (ret < 0) diff --git a/drivers/reset/hisilicon/hi6220_reset.c b/drivers/reset/hisilicon/hi6220_reset.c index 19926506d033..2a7688fa9b9b 100644 --- a/drivers/reset/hisilicon/hi6220_reset.c +++ b/drivers/reset/hisilicon/hi6220_reset.c @@ -164,7 +164,7 @@ static int hi6220_reset_probe(struct platform_device *pdev) if (!data) return -ENOMEM;

- type = (enum hi6220_reset_ctrl_type)of_device_get_match_data(dev); + type = (uintptr_t)of_device_get_match_data(dev);

regmap = syscon_node_to_regmap(np); if (IS_ERR(regmap)) { diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index a4f6f2e62b1d..b5b36217b15e 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -18,6 +18,7 @@ #include <linux/genhd.h> #include <linux/slab.h> #include <linux/list.h> +#include <linux/io.h> #include <asm/eadm.h> #include "scm_blk.h"

@@ -131,7 +132,7 @@ static void scm_request_done(struct scm_request *scmrq)

for (i = 0; i < nr_requests_per_io && scmrq->request[i]; i++) { msb = &scmrq->aob->msb[i]; - aidaw = msb->data_addr; + aidaw = (u64)phys_to_virt(msb->data_addr);

if ((msb->flags & MSB_FLAG_IDA) && aidaw && IS_ALIGNED(aidaw, PAGE_SIZE)) @@ -196,12 +197,12 @@ static int scm_request_prepare(struct scm_request *scmrq) msb->scm_addr = scmdev->address + ((u64) blk_rq_pos(req) << 9); msb->oc = (rq_data_dir(req) == READ) ? MSB_OC_READ : MSB_OC_WRITE; msb->flags |= MSB_FLAG_IDA; - msb->data_addr = (u64) aidaw; + msb->data_addr = (u64)virt_to_phys(aidaw);

rq_for_each_segment(bv, req, iter) { WARN_ON(bv.bv_offset); msb->blk_count += bv.bv_len >> 12; - aidaw->data_addr = (u64) page_address(bv.bv_page); + aidaw->data_addr = virt_to_phys(page_address(bv.bv_page)); aidaw++; }

diff --git a/drivers/scsi/fnic/fnic_debugfs.c b/drivers/scsi/fnic/fnic_debugfs.c index 6c049360f136..56d52efc7314 100644 --- a/drivers/scsi/fnic/fnic_debugfs.c +++ b/drivers/scsi/fnic/fnic_debugfs.c @@ -67,9 +67,10 @@ int fnic_debugfs_init(void) fc_trc_flag->fnic_trace = 2; fc_trc_flag->fc_trace = 3; fc_trc_flag->fc_clear = 4; + return 0; }

- return 0; + return -ENOMEM; }

/* diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index e5b9229310a0..8e5d23c6b8de 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1584,10 +1584,10 @@ static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) queue_work(hisi_hba->wq, &hisi_hba->debugfs_work);

if (!hisi_hba->hw->soft_reset) - return -1; + return -ENOENT;

if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) - return -1; + return -EPERM;

dev_info(dev, "controller resetting...\n"); hisi_sas_controller_reset_prepare(hisi_hba); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 0d21c64efa81..f03a09c9e865 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3479,7 +3479,7 @@ static int _suspend_v3_hw(struct device *device) }

if (test_and_set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) - return -1; + return -EPERM;

scsi_block_requests(shost); set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 5fd9b515f6f1..74ea6b6b5f74 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -957,9 +957,10 @@ config SPI_ZYNQ_QSPI

config SPI_ZYNQMP_GQSPI tristate "Xilinx ZynqMP GQSPI controller" - depends on (SPI_MASTER && HAS_DMA) || COMPILE_TEST + depends on (SPI_MEM && HAS_DMA) || COMPILE_TEST help Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. + This controller only supports SPI memory interface.

config SPI_AMD tristate "AMD SPI controller" diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index b2579af0e3eb..35d30378256f 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -30,12 +30,15 @@

#include <asm/unaligned.h>

+#define SH_MSIOF_FLAG_FIXED_DTDL_200 BIT(0) + struct sh_msiof_chipdata { u32 bits_per_word_mask; u16 tx_fifo_size; u16 rx_fifo_size; u16 ctlr_flags; u16 min_div_pow; + u32 flags; };

struct sh_msiof_spi_priv { @@ -1069,6 +1072,16 @@ static const struct sh_msiof_chipdata rcar_gen3_data = { .min_div_pow = 1, };

+static const struct sh_msiof_chipdata rcar_r8a7795_data = { + .bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16) | + SPI_BPW_MASK(24) | SPI_BPW_MASK(32), + .tx_fifo_size = 64, + .rx_fifo_size = 64, + .ctlr_flags = SPI_CONTROLLER_MUST_TX, + .min_div_pow = 1, + .flags = SH_MSIOF_FLAG_FIXED_DTDL_200, +}; + static const struct of_device_id sh_msiof_match[] = { { .compatible = "renesas,sh-mobile-msiof", .data = &sh_data }, { .compatible = "renesas,msiof-r8a7743", .data = &rcar_gen2_data }, @@ -1079,6 +1092,7 @@ static const struct of_device_id sh_msiof_match[] = { { .compatible = "renesas,msiof-r8a7793", .data = &rcar_gen2_data }, { .compatible = "renesas,msiof-r8a7794", .data = &rcar_gen2_data }, { .compatible = "renesas,rcar-gen2-msiof", .data = &rcar_gen2_data }, + { .compatible = "renesas,msiof-r8a7795", .data = &rcar_r8a7795_data }, { .compatible = "renesas,msiof-r8a7796", .data = &rcar_gen3_data }, { .compatible = "renesas,rcar-gen3-msiof", .data = &rcar_gen3_data }, { .compatible = "renesas,sh-msiof", .data = &sh_data }, /* Deprecated */ @@ -1274,6 +1288,9 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) return -ENXIO; }

+ if (chipdata->flags & SH_MSIOF_FLAG_FIXED_DTDL_200) + info->dtdl = 200; + if (info->mode == MSIOF_SPI_SLAVE) ctlr = spi_alloc_slave(&pdev->dev, sizeof(struct sh_msiof_spi_priv)); diff --git a/drivers/staging/media/rkisp1/rkisp1-dev.c b/drivers/staging/media/rkisp1/rkisp1-dev.c index 06de5540c8af..663b2efec9b0 100644 --- a/drivers/staging/media/rkisp1/rkisp1-dev.c +++ b/drivers/staging/media/rkisp1/rkisp1-dev.c @@ -518,7 +518,7 @@ static int rkisp1_probe(struct platform_device *pdev)

ret = v4l2_device_register(rkisp1->dev, &rkisp1->v4l2_dev); if (ret) - return ret; + goto err_pm_runtime_disable;

ret = media_device_register(&rkisp1->media_dev); if (ret) { @@ -538,6 +538,7 @@ static int rkisp1_probe(struct platform_device *pdev) media_device_unregister(&rkisp1->media_dev); err_unreg_v4l2_dev: v4l2_device_unregister(&rkisp1->v4l2_dev); +err_pm_runtime_disable: pm_runtime_disable(&pdev->dev); return ret; } diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index bd4118f1b694..25765ebb756a 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1497,7 +1497,7 @@ static int omap8250_remove(struct platform_device *pdev)

err = pm_runtime_resume_and_get(&pdev->dev); if (err) - return err; + dev_err(&pdev->dev, "Failed to resume hardware\n");

serial8250_unregister_port(priv->line); priv->line = -ENODEV; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 164597e2e004..6e49928bb864 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -461,13 +461,13 @@ static void imx_uart_stop_tx(struct uart_port *port) ucr1 = imx_uart_readl(sport, UCR1); imx_uart_writel(sport, ucr1 & ~UCR1_TRDYEN, UCR1);

+ ucr4 = imx_uart_readl(sport, UCR4); usr2 = imx_uart_readl(sport, USR2); - if (!(usr2 & USR2_TXDC)) { + if ((!(usr2 & USR2_TXDC)) && (ucr4 & UCR4_TCEN)) { /* The shifter is still busy, so retry once TC triggers */ return; }

- ucr4 = imx_uart_readl(sport, UCR4); ucr4 &= ~UCR4_TCEN; imx_uart_writel(sport, ucr4, UCR4);

@@ -2346,7 +2346,7 @@ static int imx_uart_probe(struct platform_device *pdev) /* For register access, we only need to enable the ipg clock. */ ret = clk_prepare_enable(sport->clk_ipg); if (ret) { - dev_err(&pdev->dev, "failed to enable per clk: %d\n", ret); + dev_err(&pdev->dev, "failed to enable ipg clk: %d\n", ret); return ret; }

@@ -2358,10 +2358,8 @@ static int imx_uart_probe(struct platform_device *pdev) sport->ufcr = readl(sport->port.membase + UFCR);

ret = uart_get_rs485_mode(&sport->port); - if (ret) { - clk_disable_unprepare(sport->clk_ipg); - return ret; - } + if (ret) + goto err_clk;

if (sport->port.rs485.flags & SER_RS485_ENABLED && (!sport->have_rtscts && !sport->have_rtsgpio)) @@ -2415,8 +2413,6 @@ static int imx_uart_probe(struct platform_device *pdev) imx_uart_writel(sport, ucr3, UCR3); }

- clk_disable_unprepare(sport->clk_ipg); - hrtimer_init(&sport->trigger_start_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL); hrtimer_init(&sport->trigger_stop_tx, CLOCK_MONOTONIC, HRTIMER_MODE_REL); sport->trigger_start_tx.function = imx_trigger_start_tx; @@ -2432,7 +2428,7 @@ static int imx_uart_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to request rx irq: %d\n", ret); - return ret; + goto err_clk; }

ret = devm_request_irq(&pdev->dev, txirq, imx_uart_txint, 0, @@ -2440,7 +2436,7 @@ static int imx_uart_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to request tx irq: %d\n", ret); - return ret; + goto err_clk; }

ret = devm_request_irq(&pdev->dev, rtsirq, imx_uart_rtsint, 0, @@ -2448,14 +2444,14 @@ static int imx_uart_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to request rts irq: %d\n", ret); - return ret; + goto err_clk; } } else { ret = devm_request_irq(&pdev->dev, rxirq, imx_uart_int, 0, dev_name(&pdev->dev), sport); if (ret) { dev_err(&pdev->dev, "failed to request irq: %d\n", ret); - return ret; + goto err_clk; } }

@@ -2463,7 +2459,12 @@ static int imx_uart_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, sport);

- return uart_add_one_port(&imx_uart_uart_driver, &sport->port); + ret = uart_add_one_port(&imx_uart_uart_driver, &sport->port); + +err_clk: + clk_disable_unprepare(sport->clk_ipg); + + return ret; }

static int imx_uart_remove(struct platform_device *pdev) diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index 1908f27a795a..3d2d82ff6a03 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -64,7 +64,7 @@ int tty_check_change(struct tty_struct *tty); void __stop_tty(struct tty_struct *tty); void __start_tty(struct tty_struct *tty); void tty_write_unlock(struct tty_struct *tty); -int tty_write_lock(struct tty_struct *tty, int ndelay); +int tty_write_lock(struct tty_struct *tty, bool ndelay); void tty_vhangup_session(struct tty_struct *tty); void tty_open_proc_set_tty(struct file *filp, struct tty_struct *tty); int tty_signal_session_leader(struct tty_struct *tty, int exit_session); diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 094e82a12d29..984e3098e631 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -948,7 +948,7 @@ void tty_write_unlock(struct tty_struct *tty) wake_up_interruptible_poll(&tty->write_wait, EPOLLOUT); }

-int tty_write_lock(struct tty_struct *tty, int ndelay) +int tty_write_lock(struct tty_struct *tty, bool ndelay) { if (!mutex_trylock(&tty->atomic_write_lock)) { if (ndelay) @@ -1167,7 +1167,7 @@ int tty_send_xchar(struct tty_struct *tty, char ch) return 0; }

- if (tty_write_lock(tty, 0) < 0) + if (tty_write_lock(tty, false) < 0) return -ERESTARTSYS;

down_read(&tty->termios_rwsem); @@ -2470,22 +2470,25 @@ static int send_break(struct tty_struct *tty, unsigned int duration) return 0;

if (tty->driver->flags & TTY_DRIVER_HARDWARE_BREAK) - retval = tty->ops->break_ctl(tty, duration); - else { - /* Do the work ourselves */ - if (tty_write_lock(tty, 0) < 0) - return -EINTR; - retval = tty->ops->break_ctl(tty, -1); - if (retval) - goto out; - if (!signal_pending(current)) - msleep_interruptible(duration); + return tty->ops->break_ctl(tty, duration); + + /* Do the work ourselves */ + if (tty_write_lock(tty, false) < 0) + return -EINTR; + + retval = tty->ops->break_ctl(tty, -1); + if (!retval) { + msleep_interruptible(duration); retval = tty->ops->break_ctl(tty, 0); -out: - tty_write_unlock(tty); - if (signal_pending(current)) - retval = -EINTR; + } else if (retval == -EOPNOTSUPP) { + /* some drivers can tell only dynamically */ + retval = 0; } + tty_write_unlock(tty); + + if (signal_pending(current)) + retval = -EINTR; + return retval; }

diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 68b07250dcb6..12a30329abdb 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -404,7 +404,7 @@ static int set_termios(struct tty_struct *tty, void __user *arg, int opt) if (retval < 0) return retval;

- if (tty_write_lock(tty, 0) < 0) + if (tty_write_lock(tty, false) < 0) goto retry_write_wait;

/* Racing writer? */ diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index be06f1a961c2..f453b3c7ee42 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -464,13 +464,13 @@ static int uio_open(struct inode *inode, struct file *filep)

mutex_lock(&minor_lock); idev = idr_find(&uio_idr, iminor(inode)); - mutex_unlock(&minor_lock); if (!idev) { ret = -ENODEV; + mutex_unlock(&minor_lock); goto out; } - get_device(&idev->dev); + mutex_unlock(&minor_lock);

if (!try_module_get(idev->owner)) { ret = -ENODEV; @@ -1062,9 +1062,8 @@ void uio_unregister_device(struct uio_info *info) wake_up_interruptible(&idev->wait); kill_fasync(&idev->async_queue, SIGIO, POLL_HUP);

- device_unregister(&idev->dev); - uio_free_minor(minor); + device_unregister(&idev->dev);

return; } diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 3d18599c5b9e..b8bb4cdadff8 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -516,6 +516,13 @@ static irqreturn_t ci_irq_handler(int irq, void *data) u32 otgsc = 0;

if (ci->in_lpm) { + /* + * If we already have a wakeup irq pending there, + * let's just return to wait resume finished firstly. + */ + if (ci->wakeup_int) + return IRQ_HANDLED; + disable_irq_nosync(irq); ci->wakeup_int = true; pm_runtime_get(ci->dev); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 070b838c7da9..4e4a71307d63 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -896,6 +896,9 @@ static int acm_tty_break_ctl(struct tty_struct *tty, int state) struct acm *acm = tty->driver_data; int retval;

+ if (!(acm->ctrl_caps & USB_CDC_CAP_BRK)) + return -EOPNOTSUPP; + retval = acm_send_break(acm, state ? 0xffff : 0); if (retval < 0) dev_dbg(&acm->control->dev, diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 214a8ff2d69c..26f9928b972c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -275,48 +275,11 @@ int dwc3_core_soft_reset(struct dwc3 *dwc) /* * We're resetting only the device side because, if we're in host mode, * XHCI driver will reset the host block. If dwc3 was configured for - * host-only mode or current role is host, then we can return early. + * host-only mode, then we can return early. */ if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) return 0;

- /* - * If the dr_mode is host and the dwc->current_dr_role is not the - * corresponding DWC3_GCTL_PRTCAP_HOST, then the dwc3_core_init_mode - * isn't executed yet. Ensure the phy is ready before the controller - * updates the GCTL.PRTCAPDIR or other settings by soft-resetting - * the phy. - * - * Note: GUSB3PIPECTL[n] and GUSB2PHYCFG[n] are port settings where n - * is port index. If this is a multiport host, then we need to reset - * all active ports. - */ - if (dwc->dr_mode == USB_DR_MODE_HOST) { - u32 usb3_port; - u32 usb2_port; - - usb3_port = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - usb3_port |= DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), usb3_port); - - usb2_port = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - usb2_port |= DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), usb2_port); - - /* Small delay for phy reset assertion */ - usleep_range(1000, 2000); - - usb3_port &= ~DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), usb3_port); - - usb2_port &= ~DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), usb2_port); - - /* Wait for clock synchronization */ - msleep(50); - return 0; - } - reg = dwc3_readl(dwc->regs, DWC3_DCTL); reg |= DWC3_DCTL_CSFTRST; reg &= ~DWC3_DCTL_RUN_STOP; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 3cd294264372..14bdef97090b 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -236,7 +236,10 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) struct dwc3_request *req;

req = next_request(&dep->pending_list); - dwc3_gadget_giveback(dep, req, -ECONNRESET); + if (!dwc->connected) + dwc3_gadget_giveback(dep, req, -ESHUTDOWN); + else + dwc3_gadget_giveback(dep, req, -ECONNRESET); }

dwc->ep0state = EP0_SETUP_PHASE; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 094e812e9e69..35483217b1f6 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1247,14 +1247,19 @@ static vm_fault_t mon_bin_vma_fault(struct vm_fault *vmf) struct mon_reader_bin *rp = vmf->vma->vm_private_data; unsigned long offset, chunk_idx; struct page *pageptr; + unsigned long flags;

+ spin_lock_irqsave(&rp->b_lock, flags); offset = vmf->pgoff << PAGE_SHIFT; - if (offset >= rp->b_size) + if (offset >= rp->b_size) { + spin_unlock_irqrestore(&rp->b_lock, flags); return VM_FAULT_SIGBUS; + } chunk_idx = offset / CHUNK_SIZE; pageptr = rp->b_vec[chunk_idx].pg; get_page(pageptr); vmf->page = pageptr; + spin_unlock_irqrestore(&rp->b_lock, flags); return 0; }

diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 70e23334b27f..e3cddcac3252 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -388,8 +388,7 @@ static void __mxs_phy_disconnect_line(struct mxs_phy *mxs_phy, bool disconnect)

static bool mxs_phy_is_otg_host(struct mxs_phy *mxs_phy) { - return IS_ENABLED(CONFIG_USB_OTG) && - mxs_phy->phy.last_event == USB_EVENT_ID; + return mxs_phy->phy.last_event == USB_EVENT_ID; }

static void mxs_phy_disconnect_line(struct mxs_phy *mxs_phy, bool on) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 18b35e817361..7fa95e701244 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -190,11 +190,13 @@ static void typec_altmode_put_partner(struct altmode *altmode) { struct altmode *partner = altmode->partner; struct typec_altmode *adev; + struct typec_altmode *partner_adev;

if (!partner) return;

adev = &altmode->adev; + partner_adev = &partner->adev;

if (is_typec_plug(adev->dev.parent)) { struct typec_plug *plug = to_typec_plug(adev->dev.parent); @@ -203,7 +205,7 @@ static void typec_altmode_put_partner(struct altmode *altmode) } else { partner->partner = NULL; } - put_device(&adev->dev); + put_device(&partner_adev->dev); }

/** diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index a591d291b231..0708e214c5a3 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -78,11 +78,7 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy return 0;

inode_lock(inode); - /* Kill off the delayed work */ - cancel_delayed_work_sync(&info->deferred_work); - - /* Run it immediately */ - schedule_delayed_work(&info->deferred_work, 0); + flush_delayed_work(&info->deferred_work); inode_unlock(inode);

return 0; diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c index dec6ca019bea..3a8dec05b591 100644 --- a/drivers/watchdog/bcm2835_wdt.c +++ b/drivers/watchdog/bcm2835_wdt.c @@ -42,6 +42,7 @@

#define SECS_TO_WDOG_TICKS(x) ((x) << 16) #define WDOG_TICKS_TO_SECS(x) ((x) >> 16) +#define WDOG_TICKS_TO_MSECS(x) ((x) * 1000 >> 16)

struct bcm2835_wdt { void __iomem *base; @@ -140,7 +141,7 @@ static struct watchdog_device bcm2835_wdt_wdd = { .info = &bcm2835_wdt_info, .ops = &bcm2835_wdt_ops, .min_timeout = 1, - .max_timeout = WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET), + .max_hw_heartbeat_ms = WDOG_TICKS_TO_MSECS(PM_WDOG_TIME_SET), .timeout = WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET), };

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 7d34bcf1c45b..53573c3ddd1a 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -174,7 +174,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs) "3. OA Forward Progress Log\n" "4. iLO Event Log";

- if (ilo5 && ulReason == NMI_UNKNOWN && !mynmi) + if (ulReason == NMI_UNKNOWN && !mynmi) return NMI_DONE;

if (ilo5 && !pretimeout && !mynmi) diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c index 46c2a4bd9ebe..daa00f3c5a6a 100644 --- a/drivers/watchdog/rti_wdt.c +++ b/drivers/watchdog/rti_wdt.c @@ -70,6 +70,11 @@ static int rti_wdt_start(struct watchdog_device *wdd) { u32 timer_margin; struct rti_wdt_device *wdt = watchdog_get_drvdata(wdd); + int ret; + + ret = pm_runtime_resume_and_get(wdd->parent); + if (ret) + return ret;

/* set timeout period */ timer_margin = (u64)wdd->timeout * wdt->freq; @@ -296,6 +301,9 @@ static int rti_wdt_probe(struct platform_device *pdev) if (last_ping) watchdog_set_last_hw_keepalive(wdd, last_ping);

+ if (!watchdog_hw_running(wdd)) + pm_runtime_put_sync(&pdev->dev); + return 0;

err_iomap: @@ -310,7 +318,10 @@ static int rti_wdt_remove(struct platform_device *pdev) struct rti_wdt_device *wdt = platform_get_drvdata(pdev);

watchdog_unregister_device(&wdt->wdd); - pm_runtime_put(&pdev->dev); + + if (!pm_runtime_suspended(&pdev->dev)) + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev);

return 0; diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index f37255cd75fd..24d0470af81c 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -1028,6 +1028,7 @@ static int watchdog_cdev_register(struct watchdog_device *wdd)

/* Fill in the data structures */ cdev_init(&wd_data->cdev, &watchdog_fops); + wd_data->cdev.owner = wdd->ops->owner;

/* Add the device */ err = cdev_device_add(&wd_data->cdev, &wd_data->dev); @@ -1042,8 +1043,6 @@ static int watchdog_cdev_register(struct watchdog_device *wdd) return err; }

- wd_data->cdev.owner = wdd->ops->owner; - /* Record time of most recent heartbeat as 'just before now'. */ wd_data->last_hw_keepalive = ktime_sub(ktime_get(), 1); watchdog_set_open_deadline(wd_data); diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 42bab9270e7d..9c0aadedfbff 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -84,6 +84,14 @@ int debugfs_file_get(struct dentry *dentry) struct debugfs_fsdata *fsd; void *d_fsd;

+ /* + * This could only happen if some debugfs user erroneously calls + * debugfs_file_get() on a dentry that isn't even a file, let + * them know about it. + */ + if (WARN_ON(!d_is_reg(dentry))) + return -EINVAL; + d_fsd = READ_ONCE(dentry->d_fsdata); if (!((unsigned long)d_fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)) { fsd = d_fsd; diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index f47f0a7d2c3b..d04930c199cb 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -210,17 +210,19 @@ static const struct super_operations debugfs_super_operations = {

static void debugfs_release_dentry(struct dentry *dentry) { - void *fsd = dentry->d_fsdata; + struct debugfs_fsdata *fsd = dentry->d_fsdata;

- if (!((unsigned long)fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)) - kfree(dentry->d_fsdata); + if ((unsigned long)fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT) + return; + + kfree(fsd); }

static struct vfsmount *debugfs_automount(struct path *path) { - debugfs_automount_t f; - f = (debugfs_automount_t)path->dentry->d_fsdata; - return f(path->dentry, d_inode(path->dentry)->i_private); + struct debugfs_fsdata *fsd = path->dentry->d_fsdata; + + return fsd->automount(path->dentry, d_inode(path->dentry)->i_private); }

static const struct dentry_operations debugfs_dops = { @@ -598,13 +600,23 @@ struct dentry *debugfs_create_automount(const char *name, void *data) { struct dentry *dentry = start_creating(name, parent); + struct debugfs_fsdata *fsd; struct inode *inode;

if (IS_ERR(dentry)) return dentry;

+ fsd = kzalloc(sizeof(*fsd), GFP_KERNEL); + if (!fsd) { + failed_creating(dentry); + return ERR_PTR(-ENOMEM); + } + + fsd->automount = f; + if (!(debugfs_allow & DEBUGFS_ALLOW_API)) { failed_creating(dentry); + kfree(fsd); return ERR_PTR(-EPERM); }

@@ -612,13 +624,14 @@ struct dentry *debugfs_create_automount(const char *name, if (unlikely(!inode)) { pr_err("out of free dentries, can not create automount '%s'\n", name); + kfree(fsd); return failed_creating(dentry); }

make_empty_dir_inode(inode); inode->i_flags |= S_AUTOMOUNT; inode->i_private = data; - dentry->d_fsdata = (void *)f; + dentry->d_fsdata = fsd; /* directory inodes start off with i_nlink == 2 (for "." entry) */ inc_nlink(inode); d_instantiate(dentry, inode); diff --git a/fs/debugfs/internal.h b/fs/debugfs/internal.h index 92af8ae31313..f7c489b5a368 100644 --- a/fs/debugfs/internal.h +++ b/fs/debugfs/internal.h @@ -17,8 +17,14 @@ extern const struct file_operations debugfs_full_proxy_file_operations;

struct debugfs_fsdata { const struct file_operations *real_fops; - refcount_t active_users; - struct completion active_users_drained; + union { + /* automount_fn is used when real_fops is NULL */ + debugfs_automount_t automount; + struct { + refcount_t active_users; + struct completion active_users_drained; + }; + }; };

/* diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index 15880a68faad..3626816b174a 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -13,6 +13,7 @@ #include <linux/ucs2_string.h> #include <linux/slab.h> #include <linux/magic.h> +#include <linux/printk.h>

#include "internal.h"

@@ -231,8 +232,19 @@ static int efivarfs_get_tree(struct fs_context *fc) return get_tree_single(fc, efivarfs_fill_super); }

+static int efivarfs_reconfigure(struct fs_context *fc) +{ + if (!efivar_supports_writes() && !(fc->sb_flags & SB_RDONLY)) { + pr_err("Firmware does not support SetVariableRT. Can not remount with rw\n"); + return -EINVAL; + } + + return 0; +} + static const struct fs_context_operations efivarfs_context_ops = { .get_tree = efivarfs_get_tree, + .reconfigure = efivarfs_reconfigure, };

static int efivarfs_init_fs_context(struct fs_context *fc) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 4e6b93f16758..55818bd510fb 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -42,7 +42,7 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf) ret = filemap_fault(vmf); up_read(&F2FS_I(inode)->i_mmap_sem);

- if (!ret) + if (ret & VM_FAULT_LOCKED) f2fs_update_iostat(F2FS_I_SB(inode), APP_MAPPED_READ_IO, F2FS_BLKSIZE);

@@ -2816,6 +2816,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in, goto out; }

+ if (f2fs_compressed_file(src) || f2fs_compressed_file(dst)) { + ret = -EOPNOTSUPP; + goto out_unlock; + } + ret = -EINVAL; if (pos_in + len > src->i_size || pos_in + len < pos_in) goto out_unlock; diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 72b109685db4..99e4ec48d2a4 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -1066,7 +1066,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, }

if (old_dir_entry) { - if (old_dir != new_dir && !whiteout) + if (old_dir != new_dir) f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); else diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index f44c60114379..dd50b747b671 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -741,6 +741,12 @@ static int __f2fs_setxattr(struct inode *inode, int index, memcpy(pval, value, size); last->e_value_size = cpu_to_le16(size); new_hsize += newsize; + /* + * Explicitly add the null terminator. The unused xattr space + * is supposed to always be zeroed, which would make this + * unnecessary, but don't depend on that. + */ + *(u32 *)((u8 *)last + newsize) = 0; }

error = write_all_xattrs(inode, new_hsize, base_addr, ipage); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index c5bde789a16d..1ffdc4ad6246 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1247,6 +1247,8 @@ static int update_rgrp_lvb(struct gfs2_rgrpd *rgd) rgd->rd_flags &= ~GFS2_RDF_CHECK; rgd->rd_free = be32_to_cpu(rgd->rd_rgl->rl_free); rgd->rd_free_clone = rgd->rd_free; + /* max out the rgrp allocation failure point */ + rgd->rd_extfail_pt = rgd->rd_free; rgd->rd_dinodes = be32_to_cpu(rgd->rd_rgl->rl_dinodes); rgd->rd_igeneration = be64_to_cpu(rgd->rd_rgl->rl_igeneration); return 0; @@ -1648,7 +1650,7 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, * If we have a minimum extent length, then skip over any extent * which is less than the min extent length in size. */ - if (minext) { + if (minext > 1) { extlen = gfs2_free_extlen(rbm, minext); if (extlen <= maxext->len) goto fail; @@ -1680,7 +1682,7 @@ static int gfs2_reservation_check_and_update(struct gfs2_rbm *rbm, * gfs2_rbm_find - Look for blocks of a particular state * @rbm: Value/result starting position and final position * @state: The state which we want to find - * @minext: Pointer to the requested extent length (NULL for a single block) + * @minext: Pointer to the requested extent length * This is updated to be the actual reservation size. * @ip: If set, check for reservations * @nowrap: Stop looking at the end of the rgrp, rather than wrapping @@ -1717,8 +1719,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,

while(1) { bi = rbm_bi(rbm); - if ((ip == NULL || !gfs2_rs_active(&ip->i_res)) && - test_bit(GBF_FULL, &bi->bi_flags) && + if (test_bit(GBF_FULL, &bi->bi_flags) && (state == GFS2_BLKST_FREE)) goto next_bitmap;

@@ -1737,8 +1738,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, if (ip == NULL) return 0;

- ret = gfs2_reservation_check_and_update(rbm, ip, - minext ? *minext : 0, + ret = gfs2_reservation_check_and_update(rbm, ip, *minext, &maxext); if (ret == 0) return 0; @@ -1770,7 +1770,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, break; }

- if (minext == NULL || state != GFS2_BLKST_FREE) + if (state != GFS2_BLKST_FREE) return -ENOSPC;

/* If the extent was too small, and it's smaller than the smallest @@ -1778,7 +1778,7 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, useless to search this rgrp again for this amount or more. */ if (wrapped && (scan_from_start || rbm->bii > last_bii) && *minext < rbm->rgd->rd_extfail_pt) - rbm->rgd->rd_extfail_pt = *minext; + rbm->rgd->rd_extfail_pt = *minext - 1;

/* If the maximum extent we found is big enough to fulfill the minimum requirements, use it anyway. */ @@ -2231,7 +2231,7 @@ void gfs2_rgrp_dump(struct seq_file *seq, struct gfs2_rgrpd *rgd, (unsigned long long)rgd->rd_addr, rgd->rd_flags, rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes, rgd->rd_reserved, rgd->rd_extfail_pt); - if (rgd->rd_sbd->sd_args.ar_rgrplvb) { + if (rgd->rd_sbd->sd_args.ar_rgrplvb && rgd->rd_rgl) { struct gfs2_rgrp_lvb *rgl = rgd->rd_rgl;

gfs2_print_dbg(seq, "%s L: f:%02x b:%u i:%u\n", fs_id_buf, @@ -2352,14 +2352,15 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks, struct gfs2_rbm rbm = { .rgd = ip->i_res.rs_rbm.rgd, }; unsigned int ndata; u64 block; /* block, within the file system scope */ + u32 minext = 1; int error;

gfs2_set_alloc_start(&rbm, ip, dinode); - error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false); + error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &minext, ip, false);

if (error == -ENOSPC) { gfs2_set_alloc_start(&rbm, ip, dinode); - error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false); + error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &minext, NULL, false); }

/* Since all blocks are reserved in advance, this shouldn't happen */ diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index fa24b407a9dc..db137671a41f 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -300,6 +300,7 @@ static int journal_finish_inode_data_buffers(journal_t *journal, if (!ret) ret = err; } + cond_resched(); spin_lock(&journal->j_list_lock); jinode->i_flags &= ~JI_COMMIT_RUNNING; smp_mb(); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index fee325d62bfd..effd837b8c1f 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1568,9 +1568,11 @@ static int jbd2_write_superblock(journal_t *journal, int write_flags) return -EIO; }

- trace_jbd2_write_superblock(journal, write_flags); if (!(journal->j_flags & JBD2_BARRIER)) write_flags &= ~(REQ_FUA | REQ_PREFLUSH); + + trace_jbd2_write_superblock(journal, write_flags); + if (buffer_write_io_error(bh)) { /* * Oh, dear. A previous attempt to write the journal diff --git a/fs/namespace.c b/fs/namespace.c index 046b084136c5..b020a12c53a2 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2627,7 +2627,12 @@ static int do_remount(struct path *path, int ms_flags, int sb_flags, if (IS_ERR(fc)) return PTR_ERR(fc);

+ /* + * Indicate to the filesystem that the remount request is coming + * from the legacy mount system call. + */ fc->oldapi = true; + err = parse_monolithic_mount_data(fc, data); if (!err) { down_write(&sb->s_umount); @@ -2886,6 +2891,12 @@ static int do_new_mount(struct path *path, const char *fstype, int sb_flags, if (IS_ERR(fc)) return PTR_ERR(fc);

+ /* + * Indicate to the filesystem that the mount request is coming + * from the legacy mount system call. + */ + fc->oldapi = true; + if (subtype) err = vfs_parse_fs_string(fc, "subtype", subtype, strlen(subtype)); diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 08108b6d2fa1..73000aa2d220 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -604,6 +604,8 @@ bl_find_get_deviceid(struct nfs_server *server, nfs4_delete_deviceid(node->ld, node->nfs_client, id); goto retry; } + + nfs4_put_deviceid_node(node); return ERR_PTR(-ENODEV); }

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index f3f41027f697..7c3c96ed6085 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -177,6 +177,7 @@ static int nfs4_map_errors(int err) case -NFS4ERR_RESOURCE: case -NFS4ERR_LAYOUTTRYLATER: case -NFS4ERR_RECALLCONFLICT: + case -NFS4ERR_RETURNCONFLICT: return -EREMOTEIO; case -NFS4ERR_WRONGSEC: case -NFS4ERR_WRONG_CRED: @@ -563,6 +564,7 @@ static int nfs4_do_handle_exception(struct nfs_server *server, case -NFS4ERR_GRACE: case -NFS4ERR_LAYOUTTRYLATER: case -NFS4ERR_RECALLCONFLICT: + case -NFS4ERR_RETURNCONFLICT: exception->delay = 1; return 0;

@@ -9445,6 +9447,7 @@ nfs4_layoutget_handle_exception(struct rpc_task *task, status = -EBUSY; break; case -NFS4ERR_RECALLCONFLICT: + case -NFS4ERR_RETURNCONFLICT: status = -ERECALLCONFLICT; break; case -NFS4ERR_DELEG_REVOKED: diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index a0fa3820ef2a..5ac9b1f155a8 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -190,7 +190,7 @@ static int persistent_ram_init_ecc(struct persistent_ram_zone *prz, { int numerr; struct persistent_ram_buffer *buffer = prz->buffer; - int ecc_blocks; + size_t ecc_blocks; size_t ecc_total;

if (!ecc_info || !ecc_info->ecc_size) diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h index a5db86670bdf..a406e281ae57 100644 --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h @@ -138,6 +138,7 @@ struct af_alg_async_req { * recvmsg is invoked. * @init: True if metadata has been sent. * @len: Length of memory allocated for this data structure. + * @inflight: Non-zero when AIO requests are in flight. */ struct af_alg_ctx { struct list_head tsgl_list; @@ -156,6 +157,8 @@ struct af_alg_ctx { bool init;

unsigned int len; + + unsigned int inflight; };

int af_alg_register_type(const struct af_alg_type *type); diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 055486e35e68..3826cf9553c0 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -186,7 +186,7 @@ struct drm_bridge_funcs { * or &drm_encoder_helper_funcs.dpms hook. * * The bridge must assume that the display pipe (i.e. clocks and timing - * singals) feeding it is no longer running when this callback is + * signals) feeding it is no longer running when this callback is * called. * * The @post_disable callback is optional. diff --git a/include/dt-bindings/clock/qcom,videocc-sm8150.h b/include/dt-bindings/clock/qcom,videocc-sm8150.h index e24ee840cfdb..c557b78dc572 100644 --- a/include/dt-bindings/clock/qcom,videocc-sm8150.h +++ b/include/dt-bindings/clock/qcom,videocc-sm8150.h @@ -16,6 +16,10 @@

/* VIDEO_CC Resets */ #define VIDEO_CC_MVSC_CORE_CLK_BCR 0 +#define VIDEO_CC_INTERFACE_BCR 1 +#define VIDEO_CC_MVS0_BCR 2 +#define VIDEO_CC_MVS1_BCR 3 +#define VIDEO_CC_MVSC_BCR 4

/* VIDEO_CC GDSCRs */ #define VENUS_GDSC 0 diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index aa8cbf882914..6fa85be64b89 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -350,7 +350,7 @@ struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, const char *parent_name, const struct clk_hw *parent_hw, const struct clk_parent_data *parent_data, unsigned long flags, unsigned long fixed_rate, unsigned long fixed_accuracy, - unsigned long clk_fixed_flags); + unsigned long clk_fixed_flags, bool devm); struct clk *clk_register_fixed_rate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate); @@ -365,7 +365,20 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, */ #define clk_hw_register_fixed_rate(dev, name, parent_name, flags, fixed_rate) \ __clk_hw_register_fixed_rate((dev), NULL, (name), (parent_name), NULL, \ - NULL, (flags), (fixed_rate), 0, 0) + NULL, (flags), (fixed_rate), 0, 0, false) + +/** + * devm_clk_hw_register_fixed_rate - register fixed-rate clock with the clock + * framework + * @dev: device that is registering this clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @flags: framework-specific flags + * @fixed_rate: non-adjustable clock rate + */ +#define devm_clk_hw_register_fixed_rate(dev, name, parent_name, flags, fixed_rate) \ + __clk_hw_register_fixed_rate((dev), NULL, (name), (parent_name), NULL, \ + NULL, (flags), (fixed_rate), 0, 0, true) /** * clk_hw_register_fixed_rate_parent_hw - register fixed-rate clock with * the clock framework @@ -378,7 +391,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, #define clk_hw_register_fixed_rate_parent_hw(dev, name, parent_hw, flags, \ fixed_rate) \ __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, (parent_hw), \ - NULL, (flags), (fixed_rate), 0, 0) + NULL, (flags), (fixed_rate), 0, 0, false) /** * clk_hw_register_fixed_rate_parent_data - register fixed-rate clock with * the clock framework @@ -392,7 +405,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, fixed_rate) \ __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, NULL, \ (parent_data), (flags), (fixed_rate), 0, \ - 0) + 0, false) /** * clk_hw_register_fixed_rate_with_accuracy - register fixed-rate clock with * the clock framework @@ -408,7 +421,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, fixed_accuracy) \ __clk_hw_register_fixed_rate((dev), NULL, (name), (parent_name), \ NULL, NULL, (flags), (fixed_rate), \ - (fixed_accuracy), 0) + (fixed_accuracy), 0, false) /** * clk_hw_register_fixed_rate_with_accuracy_parent_hw - register fixed-rate * clock with the clock framework @@ -421,9 +434,9 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, */ #define clk_hw_register_fixed_rate_with_accuracy_parent_hw(dev, name, \ parent_hw, flags, fixed_rate, fixed_accuracy) \ - __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, (parent_hw) \ - NULL, NULL, (flags), (fixed_rate), \ - (fixed_accuracy), 0) + __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, (parent_hw), \ + NULL, (flags), (fixed_rate), \ + (fixed_accuracy), 0, false) /** * clk_hw_register_fixed_rate_with_accuracy_parent_data - register fixed-rate * clock with the clock framework @@ -438,7 +451,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, parent_data, flags, fixed_rate, fixed_accuracy) \ __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, NULL, \ (parent_data), NULL, (flags), \ - (fixed_rate), (fixed_accuracy), 0) + (fixed_rate), (fixed_accuracy), 0, false) /** * clk_hw_register_fixed_rate_parent_accuracy - register fixed-rate clock with * the clock framework @@ -452,7 +465,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, flags, fixed_rate) \ __clk_hw_register_fixed_rate((dev), NULL, (name), NULL, NULL, \ (parent_data), (flags), (fixed_rate), 0, \ - CLK_FIXED_RATE_PARENT_ACCURACY) + CLK_FIXED_RATE_PARENT_ACCURACY, false)

void clk_unregister_fixed_rate(struct clk *clk); void clk_hw_unregister_fixed_rate(struct clk_hw *hw); diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index a5f89fc4d6df..ba1d93c662c6 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -165,6 +165,7 @@ static inline void dma_pernuma_cma_reserve(void) { } #ifdef CONFIG_DMA_DECLARE_COHERENT int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size); +void dma_release_coherent_memory(struct device *dev); int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size, dma_addr_t *dma_handle, void **ret); int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr); @@ -183,9 +184,11 @@ static inline int dma_declare_coherent_memory(struct device *dev, { return -ENOSYS; } + #define dma_alloc_from_dev_coherent(dev, size, handle, ret) (0) #define dma_release_from_dev_coherent(dev, order, vaddr) (0) #define dma_mmap_from_dev_coherent(dev, vma, vaddr, order, ret) (0) +static inline void dma_release_coherent_memory(struct device *dev) { }

static inline void *dma_alloc_from_global_coherent(struct device *dev, ssize_t size, dma_addr_t *dma_handle) diff --git a/include/linux/iio/adc/adi-axi-adc.h b/include/linux/iio/adc/adi-axi-adc.h index c5d48e1c2d36..77b7f66e6fa8 100644 --- a/include/linux/iio/adc/adi-axi-adc.h +++ b/include/linux/iio/adc/adi-axi-adc.h @@ -41,6 +41,7 @@ struct adi_axi_adc_chip_info { * @reg_access IIO debugfs_reg_access hook for the client ADC * @read_raw IIO read_raw hook for the client ADC * @write_raw IIO write_raw hook for the client ADC + * @read_avail IIO read_avail hook for the client ADC */ struct adi_axi_adc_conv { const struct adi_axi_adc_chip_info *chip_info; @@ -54,6 +55,9 @@ struct adi_axi_adc_conv { int (*write_raw)(struct adi_axi_adc_conv *conv, struct iio_chan_spec const *chan, int val, int val2, long mask); + int (*read_avail)(struct adi_axi_adc_conv *conv, + struct iio_chan_spec const *chan, + const int **val, int *type, int *length, long mask); };

struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev, diff --git a/include/linux/of.h b/include/linux/of.h index 57f2d3dddc0c..4ed8dce624e7 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -415,130 +415,6 @@ extern int of_detach_node(struct device_node *);

#define of_match_ptr(_ptr) (_ptr)

-/** - * of_property_read_u8_array - Find and read an array of u8 from a property. - * - * @np: device node from which the property value is to be read. - * @propname: name of the property to be searched. - * @out_values: pointer to return value, modified only if return value is 0. - * @sz: number of array elements to read - * - * Search for a property in a device node and read 8-bit value(s) from - * it. - * - * dts entry of array should be like: - * ``property = /bits/ 8 <0x50 0x60 0x70>;`` - * - * Return: 0 on success, -EINVAL if the property does not exist, - * -ENODATA if property does not have a value, and -EOVERFLOW if the - * property data isn't large enough. - * - * The out_values is modified only if a valid u8 value can be decoded. - */ -static inline int of_property_read_u8_array(const struct device_node *np, - const char *propname, - u8 *out_values, size_t sz) -{ - int ret = of_property_read_variable_u8_array(np, propname, out_values, - sz, 0); - if (ret >= 0) - return 0; - else - return ret; -} - -/** - * of_property_read_u16_array - Find and read an array of u16 from a property. - * - * @np: device node from which the property value is to be read. - * @propname: name of the property to be searched. - * @out_values: pointer to return value, modified only if return value is 0. - * @sz: number of array elements to read - * - * Search for a property in a device node and read 16-bit value(s) from - * it. - * - * dts entry of array should be like: - * ``property = /bits/ 16 <0x5000 0x6000 0x7000>;`` - * - * Return: 0 on success, -EINVAL if the property does not exist, - * -ENODATA if property does not have a value, and -EOVERFLOW if the - * property data isn't large enough. - * - * The out_values is modified only if a valid u16 value can be decoded. - */ -static inline int of_property_read_u16_array(const struct device_node *np, - const char *propname, - u16 *out_values, size_t sz) -{ - int ret = of_property_read_variable_u16_array(np, propname, out_values, - sz, 0); - if (ret >= 0) - return 0; - else - return ret; -} - -/** - * of_property_read_u32_array - Find and read an array of 32 bit integers - * from a property. - * - * @np: device node from which the property value is to be read. - * @propname: name of the property to be searched. - * @out_values: pointer to return value, modified only if return value is 0. - * @sz: number of array elements to read - * - * Search for a property in a device node and read 32-bit value(s) from - * it. - * - * Return: 0 on success, -EINVAL if the property does not exist, - * -ENODATA if property does not have a value, and -EOVERFLOW if the - * property data isn't large enough. - * - * The out_values is modified only if a valid u32 value can be decoded. - */ -static inline int of_property_read_u32_array(const struct device_node *np, - const char *propname, - u32 *out_values, size_t sz) -{ - int ret = of_property_read_variable_u32_array(np, propname, out_values, - sz, 0); - if (ret >= 0) - return 0; - else - return ret; -} - -/** - * of_property_read_u64_array - Find and read an array of 64 bit integers - * from a property. - * - * @np: device node from which the property value is to be read. - * @propname: name of the property to be searched. - * @out_values: pointer to return value, modified only if return value is 0. - * @sz: number of array elements to read - * - * Search for a property in a device node and read 64-bit value(s) from - * it. - * - * Return: 0 on success, -EINVAL if the property does not exist, - * -ENODATA if property does not have a value, and -EOVERFLOW if the - * property data isn't large enough. - * - * The out_values is modified only if a valid u64 value can be decoded. - */ -static inline int of_property_read_u64_array(const struct device_node *np, - const char *propname, - u64 *out_values, size_t sz) -{ - int ret = of_property_read_variable_u64_array(np, propname, out_values, - sz, 0); - if (ret >= 0) - return 0; - else - return ret; -} - /* * struct property *prop; * const __be32 *p; @@ -726,32 +602,6 @@ static inline int of_property_count_elems_of_size(const struct device_node *np, return -ENOSYS; }

-static inline int of_property_read_u8_array(const struct device_node *np, - const char *propname, u8 *out_values, size_t sz) -{ - return -ENOSYS; -} - -static inline int of_property_read_u16_array(const struct device_node *np, - const char *propname, u16 *out_values, size_t sz) -{ - return -ENOSYS; -} - -static inline int of_property_read_u32_array(const struct device_node *np, - const char *propname, - u32 *out_values, size_t sz) -{ - return -ENOSYS; -} - -static inline int of_property_read_u64_array(const struct device_node *np, - const char *propname, - u64 *out_values, size_t sz) -{ - return -ENOSYS; -} - static inline int of_property_read_u32_index(const struct device_node *np, const char *propname, u32 index, u32 *out_value) { @@ -1211,7 +1061,8 @@ static inline int of_property_read_string_index(const struct device_node *np, * @np: device node from which the property value is to be read. * @propname: name of the property to be searched. * - * Search for a property in a device node. + * Search for a boolean property in a device node. Usage on non-boolean + * property types is deprecated. * * Return: true if the property exists false otherwise. */ @@ -1223,6 +1074,144 @@ static inline bool of_property_read_bool(const struct device_node *np, return prop ? true : false; }

+/** + * of_property_present - Test if a property is present in a node + * @np: device node to search for the property. + * @propname: name of the property to be searched. + * + * Test for a property present in a device node. + * + * Return: true if the property exists false otherwise. + */ +static inline bool of_property_present(const struct device_node *np, const char *propname) +{ + return of_property_read_bool(np, propname); +} + +/** + * of_property_read_u8_array - Find and read an array of u8 from a property. + * + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @out_values: pointer to return value, modified only if return value is 0. + * @sz: number of array elements to read + * + * Search for a property in a device node and read 8-bit value(s) from + * it. + * + * dts entry of array should be like: + * ``property = /bits/ 8 <0x50 0x60 0x70>;`` + * + * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * + * The out_values is modified only if a valid u8 value can be decoded. + */ +static inline int of_property_read_u8_array(const struct device_node *np, + const char *propname, + u8 *out_values, size_t sz) +{ + int ret = of_property_read_variable_u8_array(np, propname, out_values, + sz, 0); + if (ret >= 0) + return 0; + else + return ret; +} + +/** + * of_property_read_u16_array - Find and read an array of u16 from a property. + * + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @out_values: pointer to return value, modified only if return value is 0. + * @sz: number of array elements to read + * + * Search for a property in a device node and read 16-bit value(s) from + * it. + * + * dts entry of array should be like: + * ``property = /bits/ 16 <0x5000 0x6000 0x7000>;`` + * + * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * + * The out_values is modified only if a valid u16 value can be decoded. + */ +static inline int of_property_read_u16_array(const struct device_node *np, + const char *propname, + u16 *out_values, size_t sz) +{ + int ret = of_property_read_variable_u16_array(np, propname, out_values, + sz, 0); + if (ret >= 0) + return 0; + else + return ret; +} + +/** + * of_property_read_u32_array - Find and read an array of 32 bit integers + * from a property. + * + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @out_values: pointer to return value, modified only if return value is 0. + * @sz: number of array elements to read + * + * Search for a property in a device node and read 32-bit value(s) from + * it. + * + * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * + * The out_values is modified only if a valid u32 value can be decoded. + */ +static inline int of_property_read_u32_array(const struct device_node *np, + const char *propname, + u32 *out_values, size_t sz) +{ + int ret = of_property_read_variable_u32_array(np, propname, out_values, + sz, 0); + if (ret >= 0) + return 0; + else + return ret; +} + +/** + * of_property_read_u64_array - Find and read an array of 64 bit integers + * from a property. + * + * @np: device node from which the property value is to be read. + * @propname: name of the property to be searched. + * @out_values: pointer to return value, modified only if return value is 0. + * @sz: number of array elements to read + * + * Search for a property in a device node and read 64-bit value(s) from + * it. + * + * Return: 0 on success, -EINVAL if the property does not exist, + * -ENODATA if property does not have a value, and -EOVERFLOW if the + * property data isn't large enough. + * + * The out_values is modified only if a valid u64 value can be decoded. + */ +static inline int of_property_read_u64_array(const struct device_node *np, + const char *propname, + u64 *out_values, size_t sz) +{ + int ret = of_property_read_variable_u64_array(np, propname, out_values, + sz, 0); + if (ret >= 0) + return 0; + else + return ret; +} + static inline int of_property_read_u8(const struct device_node *np, const char *propname, u8 *out_value) diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index ef8d56b18da6..8716a1706351 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -366,6 +366,20 @@ static inline void rcu_preempt_sleep_check(void) { } #define rcu_check_sparse(p, space) #endif /* #else #ifdef __CHECKER__ */

+/** + * unrcu_pointer - mark a pointer as not being RCU protected + * @p: pointer needing to lose its __rcu property + * + * Converts @p from an __rcu pointer to a __kernel pointer. + * This allows an __rcu pointer to be used with xchg() and friends. + */ +#define unrcu_pointer(p) \ +({ \ + typeof(*p) *_________p1 = (typeof(*p) *__force)(p); \ + rcu_check_sparse(p, __rcu); \ + ((typeof(*p) __force __kernel *)(_________p1)); \ +}) + #define __rcu_access_pointer(p, space) \ ({ \ typeof(*p) *_________p1 = (typeof(*p) *__force)READ_ONCE(p); \ diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index a168a64696b6..33873266b2bc 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -819,7 +819,6 @@ void hci_inquiry_cache_flush(struct hci_dev *hdev); /* ----- HCI Connections ----- */ enum { HCI_CONN_AUTH_PEND, - HCI_CONN_REAUTH_PEND, HCI_CONN_ENCRYPT_PEND, HCI_CONN_RSWITCH_PEND, HCI_CONN_MODE_CHANGE_PEND, diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 36ddfb98b70e..29cc0eb2e488 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -3424,6 +3424,8 @@ union bpf_attr { * long bpf_get_task_stack(struct task_struct *task, void *buf, u32 size, u64 flags) * Description * Return a user or a kernel stack in bpf program provided buffer. + * Note: the user stack will only be populated if the *task* is + * the current task; all other tasks will return -EOPNOTSUPP. * To achieve this, the helper needs *task*, which is a valid * pointer to **struct task_struct**. To store the stacktrace, the * bpf program provides *buf* with a nonnegative *size*. @@ -3435,6 +3437,7 @@ union bpf_attr { * * **BPF_F_USER_STACK** * Collect a user space stack instead of a kernel stack. + * The *task* must be the current task. * **BPF_F_USER_BUILD_ID** * Collect buildid+offset instead of ips for user stack, * only valid if **BPF_F_USER_STACK** is also specified. diff --git a/include/uapi/linux/virtio_crypto.h b/include/uapi/linux/virtio_crypto.h index a03932f10565..71a54a6849ca 100644 --- a/include/uapi/linux/virtio_crypto.h +++ b/include/uapi/linux/virtio_crypto.h @@ -37,6 +37,7 @@ #define VIRTIO_CRYPTO_SERVICE_HASH 1 #define VIRTIO_CRYPTO_SERVICE_MAC 2 #define VIRTIO_CRYPTO_SERVICE_AEAD 3 +#define VIRTIO_CRYPTO_SERVICE_AKCIPHER 4

#define VIRTIO_CRYPTO_OPCODE(service, op) (((service) << 8) | (op))

@@ -57,6 +58,10 @@ struct virtio_crypto_ctrl_header { VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x02) #define VIRTIO_CRYPTO_AEAD_DESTROY_SESSION \ VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x03) +#define VIRTIO_CRYPTO_AKCIPHER_CREATE_SESSION \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x04) +#define VIRTIO_CRYPTO_AKCIPHER_DESTROY_SESSION \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x05) __le32 opcode; __le32 algo; __le32 flag; @@ -180,6 +185,58 @@ struct virtio_crypto_aead_create_session_req { __u8 padding[32]; };

+struct virtio_crypto_rsa_session_para { +#define VIRTIO_CRYPTO_RSA_RAW_PADDING 0 +#define VIRTIO_CRYPTO_RSA_PKCS1_PADDING 1 + __le32 padding_algo; + +#define VIRTIO_CRYPTO_RSA_NO_HASH 0 +#define VIRTIO_CRYPTO_RSA_MD2 1 +#define VIRTIO_CRYPTO_RSA_MD3 2 +#define VIRTIO_CRYPTO_RSA_MD4 3 +#define VIRTIO_CRYPTO_RSA_MD5 4 +#define VIRTIO_CRYPTO_RSA_SHA1 5 +#define VIRTIO_CRYPTO_RSA_SHA256 6 +#define VIRTIO_CRYPTO_RSA_SHA384 7 +#define VIRTIO_CRYPTO_RSA_SHA512 8 +#define VIRTIO_CRYPTO_RSA_SHA224 9 + __le32 hash_algo; +}; + +struct virtio_crypto_ecdsa_session_para { +#define VIRTIO_CRYPTO_CURVE_UNKNOWN 0 +#define VIRTIO_CRYPTO_CURVE_NIST_P192 1 +#define VIRTIO_CRYPTO_CURVE_NIST_P224 2 +#define VIRTIO_CRYPTO_CURVE_NIST_P256 3 +#define VIRTIO_CRYPTO_CURVE_NIST_P384 4 +#define VIRTIO_CRYPTO_CURVE_NIST_P521 5 + __le32 curve_id; + __le32 padding; +}; + +struct virtio_crypto_akcipher_session_para { +#define VIRTIO_CRYPTO_NO_AKCIPHER 0 +#define VIRTIO_CRYPTO_AKCIPHER_RSA 1 +#define VIRTIO_CRYPTO_AKCIPHER_DSA 2 +#define VIRTIO_CRYPTO_AKCIPHER_ECDSA 3 + __le32 algo; + +#define VIRTIO_CRYPTO_AKCIPHER_KEY_TYPE_PUBLIC 1 +#define VIRTIO_CRYPTO_AKCIPHER_KEY_TYPE_PRIVATE 2 + __le32 keytype; + __le32 keylen; + + union { + struct virtio_crypto_rsa_session_para rsa; + struct virtio_crypto_ecdsa_session_para ecdsa; + } u; +}; + +struct virtio_crypto_akcipher_create_session_req { + struct virtio_crypto_akcipher_session_para para; + __u8 padding[36]; +}; + struct virtio_crypto_alg_chain_session_para { #define VIRTIO_CRYPTO_SYM_ALG_CHAIN_ORDER_HASH_THEN_CIPHER 1 #define VIRTIO_CRYPTO_SYM_ALG_CHAIN_ORDER_CIPHER_THEN_HASH 2 @@ -247,6 +304,8 @@ struct virtio_crypto_op_ctrl_req { mac_create_session; struct virtio_crypto_aead_create_session_req aead_create_session; + struct virtio_crypto_akcipher_create_session_req + akcipher_create_session; struct virtio_crypto_destroy_session_req destroy_session; __u8 padding[56]; @@ -266,6 +325,14 @@ struct virtio_crypto_op_header { VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x00) #define VIRTIO_CRYPTO_AEAD_DECRYPT \ VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AEAD, 0x01) +#define VIRTIO_CRYPTO_AKCIPHER_ENCRYPT \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x00) +#define VIRTIO_CRYPTO_AKCIPHER_DECRYPT \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x01) +#define VIRTIO_CRYPTO_AKCIPHER_SIGN \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x02) +#define VIRTIO_CRYPTO_AKCIPHER_VERIFY \ + VIRTIO_CRYPTO_OPCODE(VIRTIO_CRYPTO_SERVICE_AKCIPHER, 0x03) __le32 opcode; /* algo should be service-specific algorithms */ __le32 algo; @@ -390,6 +457,16 @@ struct virtio_crypto_aead_data_req { __u8 padding[32]; };

+struct virtio_crypto_akcipher_para { + __le32 src_data_len; + __le32 dst_data_len; +}; + +struct virtio_crypto_akcipher_data_req { + struct virtio_crypto_akcipher_para para; + __u8 padding[40]; +}; + /* The request of the data virtqueue's packet */ struct virtio_crypto_op_data_req { struct virtio_crypto_op_header header; @@ -399,6 +476,7 @@ struct virtio_crypto_op_data_req { struct virtio_crypto_hash_data_req hash_req; struct virtio_crypto_mac_data_req mac_req; struct virtio_crypto_aead_data_req aead_req; + struct virtio_crypto_akcipher_data_req akcipher_req; __u8 padding[48]; } u; }; @@ -408,6 +486,8 @@ struct virtio_crypto_op_data_req { #define VIRTIO_CRYPTO_BADMSG 2 #define VIRTIO_CRYPTO_NOTSUPP 3 #define VIRTIO_CRYPTO_INVSESS 4 /* Invalid session id */ +#define VIRTIO_CRYPTO_NOSPC 5 /* no free session ID */ +#define VIRTIO_CRYPTO_KEY_REJECTED 6 /* Signature verification failed */

/* The accelerator hardware is ready */ #define VIRTIO_CRYPTO_S_HW_READY (1 << 0) @@ -438,7 +518,7 @@ struct virtio_crypto_config { __le32 max_cipher_key_len; /* Maximum length of authenticated key */ __le32 max_auth_key_len; - __le32 reserve; + __le32 akcipher_algo; /* Maximum size of each crypto request's content */ __le64 max_size; }; diff --git a/init/do_mounts.c b/init/do_mounts.c index b5f9604d0c98..8ef154fb418c 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -649,7 +649,10 @@ struct file_system_type rootfs_fs_type = {

void __init init_rootfs(void) { - if (IS_ENABLED(CONFIG_TMPFS) && !saved_root_name[0] && - (!root_fs_names || strstr(root_fs_names, "tmpfs"))) - is_tmpfs = true; + if (IS_ENABLED(CONFIG_TMPFS)) { + if (!saved_root_name[0] && !root_fs_names) + is_tmpfs = true; + else if (root_fs_names && !!strstr(root_fs_names, "tmpfs")) + is_tmpfs = true; + } } diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index aa15e8d878a9..936abc6ee450 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3485,14 +3485,17 @@ static inline int io_rw_prep_async(struct io_kiocb *req, int rw) struct iovec *iov = iorw->fast_iov; int ret;

+ iorw->bytes_done = 0; + iorw->free_iovec = NULL; + ret = io_import_iovec(rw, req, &iov, &iorw->iter, false); if (unlikely(ret < 0)) return ret;

- iorw->bytes_done = 0; - iorw->free_iovec = iov; - if (iov) + if (iov) { + iorw->free_iovec = iov; req->flags |= REQ_F_NEED_CLEANUP; + } iov_iter_save_state(&iorw->iter, &iorw->iter_state); return 0; } diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 00e32f2ec3e6..3c2d8722d45b 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -230,6 +230,9 @@ static void *trie_lookup_elem(struct bpf_map *map, void *_key) struct lpm_trie_node *node, *found = NULL; struct bpf_lpm_trie_key *key = _key;

+ if (key->prefixlen > trie->max_prefixlen) + return NULL; + /* Start walking the trie from the root node ... */

for (node = rcu_dereference(trie->root); node;) { diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index 0c5bf98d5576..b8afea2ceeeb 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -575,6 +575,7 @@ static long __bpf_get_stack(struct pt_regs *regs, struct task_struct *task, { u32 trace_nr, copy_len, elem_size, num_elem, max_depth; bool user_build_id = flags & BPF_F_USER_BUILD_ID; + bool crosstask = task && task != current; u32 skip = flags & BPF_F_SKIP_FIELD_MASK; bool user = flags & BPF_F_USER_STACK; struct perf_callchain_entry *trace; @@ -597,6 +598,14 @@ static long __bpf_get_stack(struct pt_regs *regs, struct task_struct *task, if (task && user && !user_mode(regs)) goto err_fault;

+ /* get_perf_callchain does not support crosstask user stack walking + * but returns an empty stack instead of NULL. + */ + if (crosstask && user) { + err = -EOPNOTSUPP; + goto clear; + } + num_elem = size / elem_size; max_depth = num_elem + skip; if (sysctl_perf_event_max_stack < max_depth) @@ -608,7 +617,7 @@ static long __bpf_get_stack(struct pt_regs *regs, struct task_struct *task, trace = get_callchain_entry_for_task(task, max_depth); else trace = get_perf_callchain(regs, 0, kernel, user, max_depth, - false, false); + crosstask, false); if (unlikely(!trace)) goto err_fault;

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 45c50ee9b037..fce2345f600f 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2493,7 +2493,7 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env, * so it's aligned access and [off, off + size) are within stack limits */ if (!env->allow_ptr_leaks && - state->stack[spi].slot_type[0] == STACK_SPILL && + is_spilled_reg(&state->stack[spi]) && size != BPF_REG_SIZE) { verbose(env, "attempt to corrupt spilled pointer on stack\n"); return -EACCES; @@ -3926,10 +3926,7 @@ static int check_stack_access_within_bounds(

if (tnum_is_const(reg->var_off)) { min_off = reg->var_off.value + off; - if (access_size > 0) - max_off = min_off + access_size - 1; - else - max_off = min_off; + max_off = min_off + access_size; } else { if (reg->smax_value >= BPF_MAX_VAR_OFF || reg->smin_value <= -BPF_MAX_VAR_OFF) { @@ -3938,15 +3935,12 @@ static int check_stack_access_within_bounds( return -EACCES; } min_off = reg->smin_value + off; - if (access_size > 0) - max_off = reg->smax_value + off + access_size - 1; - else - max_off = min_off; + max_off = reg->smax_value + off + access_size; }

err = check_stack_slot_within_bounds(min_off, state, type); - if (!err) - err = check_stack_slot_within_bounds(max_off, state, type); + if (!err && max_off > 0) + err = -EINVAL; /* out of stack access into non-negative offsets */

if (err) { if (tnum_is_const(reg->var_off)) { diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 4e09fab52faf..c27b3dfa1921 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -1364,8 +1364,6 @@ static int kdb_local(kdb_reason_t reason, int error, struct pt_regs *regs, /* PROMPT can only be set if we have MEM_READ permission. */ snprintf(kdb_prompt_str, CMD_BUFLEN, kdbgetenv("PROMPT"), raw_smp_processor_id()); - if (defcmd_in_progress) - strncat(kdb_prompt_str, "[defcmd]", CMD_BUFLEN);

/* * Fetch command from keyboard diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c index 5b5b6c7ec7f2..49aaad3936f1 100644 --- a/kernel/dma/coherent.c +++ b/kernel/dma/coherent.c @@ -84,7 +84,7 @@ static int dma_init_coherent_memory(phys_addr_t phys_addr, return ret; }

-static void dma_release_coherent_memory(struct dma_coherent_mem *mem) +static void _dma_release_coherent_memory(struct dma_coherent_mem *mem) { if (!mem) return; @@ -136,10 +136,18 @@ int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,

ret = dma_assign_coherent_memory(dev, mem); if (ret) - dma_release_coherent_memory(mem); + _dma_release_coherent_memory(mem); return ret; }

+void dma_release_coherent_memory(struct device *dev) +{ + if (dev) { + _dma_release_coherent_memory(dev->dma_mem); + dev->dma_mem = NULL; + } +} + static void *__dma_alloc_from_coherent(struct device *dev, struct dma_coherent_mem *mem, ssize_t size, dma_addr_t *dma_handle) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index f1ea3123f383..05d3e156a7d6 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -545,17 +545,15 @@ static void do_unoptimize_kprobes(void) /* See comment in do_optimize_kprobes() */ lockdep_assert_cpus_held();

- /* Unoptimization must be done anytime */ - if (list_empty(&unoptimizing_list)) - return; + if (!list_empty(&unoptimizing_list)) + arch_unoptimize_kprobes(&unoptimizing_list, &freeing_list);

- arch_unoptimize_kprobes(&unoptimizing_list, &freeing_list); - /* Loop free_list for disarming */ + /* Loop on 'freeing_list' for disarming and removing from kprobe hash list */ list_for_each_entry_safe(op, tmp, &freeing_list, list) { /* Switching from detour code to origin */ op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED; - /* Disarm probes if marked disabled */ - if (kprobe_disabled(&op->kp)) + /* Disarm probes if marked disabled and not gone */ + if (kprobe_disabled(&op->kp) && !kprobe_gone(&op->kp)) arch_disarm_kprobe(&op->kp); if (kprobe_unused(&op->kp)) { /* @@ -784,14 +782,13 @@ static void kill_optimized_kprobe(struct kprobe *p) op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;

if (kprobe_unused(p)) { - /* Enqueue if it is unused */ - list_add(&op->list, &freeing_list); /* - * Remove unused probes from the hash list. After waiting - * for synchronization, this probe is reclaimed. - * (reclaiming is done by do_free_cleaned_kprobes().) + * Unused kprobe is on unoptimizing or freeing list. We move it + * to freeing_list and let the kprobe_optimizer() remove it from + * the kprobe hash list and free it. */ - hlist_del_rcu(&op->kp.hlist); + if (optprobe_queued_unopt(op)) + list_move(&op->list, &freeing_list); }

/* Don't touch the code, because it is already freed. */ diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index fc79b04b5947..bc00ab0118e6 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -1439,13 +1439,18 @@ void tick_setup_sched_timer(void) void tick_cancel_sched_timer(int cpu) { struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu); + ktime_t idle_sleeptime, iowait_sleeptime;

# ifdef CONFIG_HIGH_RES_TIMERS if (ts->sched_timer.base) hrtimer_cancel(&ts->sched_timer); # endif

+ idle_sleeptime = ts->idle_sleeptime; + iowait_sleeptime = ts->iowait_sleeptime; memset(ts, 0, sizeof(*ts)); + ts->idle_sleeptime = idle_sleeptime; + ts->iowait_sleeptime = iowait_sleeptime; } #endif

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 5abe88091803..041b91c2ba10 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -3444,6 +3444,12 @@ rb_reserve_next_event(struct trace_buffer *buffer, int nr_loops = 0; int add_ts_default;

+ /* ring buffer does cmpxchg, make sure it is safe in NMI context */ + if (!IS_ENABLED(CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG) && + (unlikely(in_nmi()))) { + return NULL; + } + rb_start_commit(cpu_buffer); /* The commit page can not change after this */

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 0cbf833bebcc..548f694fc857 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4339,7 +4339,11 @@ static int s_show(struct seq_file *m, void *v) iter->leftover = ret;

} else { - print_trace_line(iter); + ret = print_trace_line(iter); + if (ret == TRACE_TYPE_PARTIAL_LINE) { + iter->seq.full = 0; + trace_seq_puts(&iter->seq, "[LINE TOO BIG]\n"); + } ret = trace_print_seq(m, &iter->seq); /* * If we overflow the seq_file buffer, then it will diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 94b0991717b6..753b84c50848 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1313,11 +1313,12 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter, { struct print_entry *field; struct trace_seq *s = &iter->seq; + int max = iter->ent_size - offsetof(struct print_entry, buf);

trace_assign_type(field, iter->ent);

seq_print_ip_sym(s, field->ip, flags); - trace_seq_printf(s, ": %s", field->buf); + trace_seq_printf(s, ": %.*s", max, field->buf);

return trace_handle_return(s); } @@ -1326,10 +1327,11 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags, struct trace_event *event) { struct print_entry *field; + int max = iter->ent_size - offsetof(struct print_entry, buf);

trace_assign_type(field, iter->ent);

- trace_seq_printf(&iter->seq, "# %lx %s", field->ip, field->buf); + trace_seq_printf(&iter->seq, "# %lx %.*s", field->ip, max, field->buf);

return trace_handle_return(&iter->seq); } diff --git a/lib/idr.c b/lib/idr.c index 13f2758c2377..da36054c3ca0 100644 --- a/lib/idr.c +++ b/lib/idr.c @@ -508,7 +508,7 @@ void ida_free(struct ida *ida, unsigned int id) goto delete; xas_store(&xas, xa_mk_value(v)); } else { - if (!test_bit(bit, bitmap->bitmap)) + if (!bitmap || !test_bit(bit, bitmap->bitmap)) goto err; __clear_bit(bit, bitmap->bitmap); xas_set_mark(&xas, XA_FREE_MARK); diff --git a/lib/test_ida.c b/lib/test_ida.c index b06880625961..55105baa19da 100644 --- a/lib/test_ida.c +++ b/lib/test_ida.c @@ -150,6 +150,45 @@ static void ida_check_conv(struct ida *ida) IDA_BUG_ON(ida, !ida_is_empty(ida)); }

+/* + * Check various situations where we attempt to free an ID we don't own. + */ +static void ida_check_bad_free(struct ida *ida) +{ + unsigned long i; + + printk("vvv Ignore "not allocated" warnings\n"); + /* IDA is empty; all of these will fail */ + ida_free(ida, 0); + for (i = 0; i < 31; i++) + ida_free(ida, 1 << i); + + /* IDA contains a single value entry */ + IDA_BUG_ON(ida, ida_alloc_min(ida, 3, GFP_KERNEL) != 3); + ida_free(ida, 0); + for (i = 0; i < 31; i++) + ida_free(ida, 1 << i); + + /* IDA contains a single bitmap */ + IDA_BUG_ON(ida, ida_alloc_min(ida, 1023, GFP_KERNEL) != 1023); + ida_free(ida, 0); + for (i = 0; i < 31; i++) + ida_free(ida, 1 << i); + + /* IDA contains a tree */ + IDA_BUG_ON(ida, ida_alloc_min(ida, (1 << 20) - 1, GFP_KERNEL) != (1 << 20) - 1); + ida_free(ida, 0); + for (i = 0; i < 31; i++) + ida_free(ida, 1 << i); + printk("^^^ "not allocated" warnings over\n"); + + ida_free(ida, 3); + ida_free(ida, 1023); + ida_free(ida, (1 << 20) - 1); + + IDA_BUG_ON(ida, !ida_is_empty(ida)); +} + static DEFINE_IDA(ida);

static int ida_checks(void) @@ -162,6 +201,7 @@ static int ida_checks(void) ida_check_leaf(&ida, 1024 * 64); ida_check_max(&ida); ida_check_conv(&ida); + ida_check_bad_free(&ida);

printk("IDA: %u of %u tests passed\n", tests_passed, tests_run); return (tests_run != tests_passed) ? 0 : -EINVAL; diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 74721c3e49b3..52e512f41da3 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -1385,12 +1385,10 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);

- /* If we're already encrypted set the REAUTH_PEND flag, - * otherwise set the ENCRYPT_PEND. + /* Set the ENCRYPT_PEND to trigger encryption after + * authentication. */ - if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) - set_bit(HCI_CONN_REAUTH_PEND, &conn->flags); - else + if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); }

diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 338833f12365..d4efc4aa55af 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -994,10 +994,12 @@ static int min_key_size_set(void *data, u64 val) { struct hci_dev *hdev = data;

- if (val > hdev->le_max_key_size || val < SMP_MIN_ENC_KEY_SIZE) + hci_dev_lock(hdev); + if (val > hdev->le_max_key_size || val < SMP_MIN_ENC_KEY_SIZE) { + hci_dev_unlock(hdev); return -EINVAL; + }

- hci_dev_lock(hdev); hdev->le_min_key_size = val; hci_dev_unlock(hdev);

@@ -1022,10 +1024,12 @@ static int max_key_size_set(void *data, u64 val) { struct hci_dev *hdev = data;

- if (val > SMP_MAX_ENC_KEY_SIZE || val < hdev->le_min_key_size) + hci_dev_lock(hdev); + if (val > SMP_MAX_ENC_KEY_SIZE || val < hdev->le_min_key_size) { + hci_dev_unlock(hdev); return -EINVAL; + }

- hci_dev_lock(hdev); hdev->le_max_key_size = val; hci_dev_unlock(hdev);

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index ee2c1a17366a..4027c79786fd 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2924,14 +2924,8 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)

if (!ev->status) { clear_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); - - if (!hci_conn_ssp_enabled(conn) && - test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) { - bt_dev_info(hdev, "re-auth of legacy device is not possible."); - } else { - set_bit(HCI_CONN_AUTH, &conn->flags); - conn->sec_level = conn->pending_sec_level; - } + set_bit(HCI_CONN_AUTH, &conn->flags); + conn->sec_level = conn->pending_sec_level; } else { if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING) set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags); @@ -2940,7 +2934,6 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) }

clear_bit(HCI_CONN_AUTH_PEND, &conn->flags); - clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);

if (conn->state == BT_CONFIG) { if (!ev->status && hci_conn_ssp_enabled(conn)) { diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 4c43183a8d93..432e3a64dc4a 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -226,9 +226,11 @@ static int neigh_forced_gc(struct neigh_table *tbl) { int max_clean = atomic_read(&tbl->gc_entries) - READ_ONCE(tbl->gc_thresh2); + u64 tmax = ktime_get_ns() + NSEC_PER_MSEC; unsigned long tref = jiffies - 5 * HZ; struct neighbour *n, *tmp; int shrunk = 0; + int loop = 0;

NEIGH_CACHE_STAT_INC(tbl, forced_gc_runs);

@@ -251,11 +253,16 @@ static int neigh_forced_gc(struct neigh_table *tbl) shrunk++; if (shrunk >= max_clean) break; + if (++loop == 16) { + if (ktime_get_ns() > tmax) + goto unlock; + loop = 0; + } } }

WRITE_ONCE(tbl->last_flush, jiffies); - +unlock: write_unlock_bh(&tbl->lock);

return shrunk; diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index 8324e9f97066..26a9d8434c23 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -104,7 +104,7 @@ dns_resolver_preparse(struct key_preparsed_payload *prep) const struct dns_server_list_v1_header *v1;

/* It may be a server list. */ - if (datalen <= sizeof(*v1)) + if (datalen < sizeof(*v1)) return -EINVAL;

v1 = (const struct dns_server_list_v1_header *)data; diff --git a/net/ethtool/features.c b/net/ethtool/features.c index 1c9f4df273bd..faccab84d865 100644 --- a/net/ethtool/features.c +++ b/net/ethtool/features.c @@ -235,17 +235,20 @@ int ethnl_set_features(struct sk_buff *skb, struct genl_info *info) dev = req_info.dev;

rtnl_lock(); + ret = ethnl_ops_begin(dev); + if (ret < 0) + goto out_rtnl; ethnl_features_to_bitmap(old_active, dev->features); ethnl_features_to_bitmap(old_wanted, dev->wanted_features); ret = ethnl_parse_bitset(req_wanted, req_mask, NETDEV_FEATURE_COUNT, tb[ETHTOOL_A_FEATURES_WANTED], netdev_features_strings, info->extack); if (ret < 0) - goto out_rtnl; + goto out_ops; if (ethnl_bitmap_to_features(req_mask) & ~NETIF_F_ETHTOOL_BITS) { GENL_SET_ERR_MSG(info, "attempt to change non-ethtool features"); ret = -EINVAL; - goto out_rtnl; + goto out_ops; }

/* set req_wanted bits not in req_mask from old_wanted */ @@ -282,6 +285,8 @@ int ethnl_set_features(struct sk_buff *skb, struct genl_info *info) if (mod) netdev_features_change(dev);

+out_ops: + ethnl_ops_complete(dev); out_rtnl: rtnl_unlock(); dev_put(dev); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index a03a322e0cc1..edf4a842506f 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -427,7 +427,7 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw) const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)raw; unsigned int nhoff = raw - skb->data; unsigned int off = nhoff + sizeof(*ipv6h); - u8 next, nexthdr = ipv6h->nexthdr; + u8 nexthdr = ipv6h->nexthdr;

while (ipv6_ext_hdr(nexthdr) && nexthdr != NEXTHDR_NONE) { struct ipv6_opt_hdr *hdr; @@ -438,25 +438,25 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw)

hdr = (struct ipv6_opt_hdr *)(skb->data + off); if (nexthdr == NEXTHDR_FRAGMENT) { - struct frag_hdr *frag_hdr = (struct frag_hdr *) hdr; - if (frag_hdr->frag_off) - break; optlen = 8; } else if (nexthdr == NEXTHDR_AUTH) { optlen = ipv6_authlen(hdr); } else { optlen = ipv6_optlen(hdr); } - /* cache hdr->nexthdr, since pskb_may_pull() might - * invalidate hdr - */ - next = hdr->nexthdr; - if (nexthdr == NEXTHDR_DEST) { - u16 i = 2;

- /* Remember : hdr is no longer valid at this point. */ - if (!pskb_may_pull(skb, off + optlen)) + if (!pskb_may_pull(skb, off + optlen)) + break; + + hdr = (struct ipv6_opt_hdr *)(skb->data + off); + if (nexthdr == NEXTHDR_FRAGMENT) { + struct frag_hdr *frag_hdr = (struct frag_hdr *)hdr; + + if (frag_hdr->frag_off) break; + } + if (nexthdr == NEXTHDR_DEST) { + u16 i = 2;

while (1) { struct ipv6_tlv_tnl_enc_lim *tel; @@ -477,7 +477,7 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw) i++; } } - nexthdr = next; + nexthdr = hdr->nexthdr; off += optlen; } return 0; diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 64afe71e2129..c389d7e47135 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -92,6 +92,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->dss = 1; mp_opt->use_map = 1; mp_opt->mpc_map = 1; + mp_opt->use_ack = 0; mp_opt->data_len = get_unaligned_be16(ptr); ptr += 2; } diff --git a/net/ncsi/internal.h b/net/ncsi/internal.h index e37102546be6..ec765f2a7569 100644 --- a/net/ncsi/internal.h +++ b/net/ncsi/internal.h @@ -98,9 +98,12 @@ enum {

struct ncsi_channel_version { - u32 version; /* Supported BCD encoded NCSI version */ - u32 alpha2; /* Supported BCD encoded NCSI version */ - u8 fw_name[12]; /* Firware name string */ + u8 major; /* NCSI version major */ + u8 minor; /* NCSI version minor */ + u8 update; /* NCSI version update */ + char alpha1; /* NCSI version alpha1 */ + char alpha2; /* NCSI version alpha2 */ + u8 fw_name[12]; /* Firmware name string */ u32 fw_version; /* Firmware version */ u16 pci_ids[4]; /* PCI identification */ u32 mf_id; /* Manufacture ID */ diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c index c189b4c8a182..db350b8f5d88 100644 --- a/net/ncsi/ncsi-netlink.c +++ b/net/ncsi/ncsi-netlink.c @@ -71,8 +71,8 @@ static int ncsi_write_channel_info(struct sk_buff *skb, if (nc == nc->package->preferred_channel) nla_put_flag(skb, NCSI_CHANNEL_ATTR_FORCED);

- nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MAJOR, nc->version.version); - nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MINOR, nc->version.alpha2); + nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MAJOR, nc->version.major); + nla_put_u32(skb, NCSI_CHANNEL_ATTR_VERSION_MINOR, nc->version.minor); nla_put_string(skb, NCSI_CHANNEL_ATTR_VERSION_STR, nc->version.fw_name);

vid_nest = nla_nest_start_noflag(skb, NCSI_CHANNEL_ATTR_VLAN_LIST); diff --git a/net/ncsi/ncsi-pkt.h b/net/ncsi/ncsi-pkt.h index 80938b338fee..3fbea7e74fb1 100644 --- a/net/ncsi/ncsi-pkt.h +++ b/net/ncsi/ncsi-pkt.h @@ -191,9 +191,12 @@ struct ncsi_rsp_gls_pkt { /* Get Version ID */ struct ncsi_rsp_gvi_pkt { struct ncsi_rsp_pkt_hdr rsp; /* Response header */ - __be32 ncsi_version; /* NCSI version */ + unsigned char major; /* NCSI version major */ + unsigned char minor; /* NCSI version minor */ + unsigned char update; /* NCSI version update */ + unsigned char alpha1; /* NCSI version alpha1 */ unsigned char reserved[3]; /* Reserved */ - unsigned char alpha2; /* NCSI version */ + unsigned char alpha2; /* NCSI version alpha2 */ unsigned char fw_name[12]; /* f/w name string */ __be32 fw_version; /* f/w version */ __be16 pci_ids[4]; /* PCI IDs */ diff --git a/net/ncsi/ncsi-rsp.c b/net/ncsi/ncsi-rsp.c index 888ccc2d4e34..6a4638811660 100644 --- a/net/ncsi/ncsi-rsp.c +++ b/net/ncsi/ncsi-rsp.c @@ -19,6 +19,19 @@ #include "ncsi-pkt.h" #include "ncsi-netlink.h"

+/* Nibbles within [0xA, 0xF] add zero "0" to the returned value. + * Optional fields (encoded as 0xFF) will default to zero. + */ +static u8 decode_bcd_u8(u8 x) +{ + int lo = x & 0xF; + int hi = x >> 4; + + lo = lo < 0xA ? lo : 0; + hi = hi < 0xA ? hi : 0; + return lo + hi * 10; +} + static int ncsi_validate_rsp_pkt(struct ncsi_request *nr, unsigned short payload) { @@ -755,9 +768,18 @@ static int ncsi_rsp_handler_gvi(struct ncsi_request *nr) if (!nc) return -ENODEV;

- /* Update to channel's version info */ + /* Update channel's version info + * + * Major, minor, and update fields are supposed to be + * unsigned integers encoded as packed BCD. + * + * Alpha1 and alpha2 are ISO/IEC 8859-1 characters. + */ ncv = &nc->version; - ncv->version = ntohl(rsp->ncsi_version); + ncv->major = decode_bcd_u8(rsp->major); + ncv->minor = decode_bcd_u8(rsp->minor); + ncv->update = decode_bcd_u8(rsp->update); + ncv->alpha1 = rsp->alpha1; ncv->alpha2 = rsp->alpha2; memcpy(ncv->fw_name, rsp->fw_name, 12); ncv->fw_version = ntohl(rsp->fw_version); diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index cd2130e98836..c87dbc897002 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -271,7 +271,7 @@ static inline bool decrement_ttl(struct netns_ipvs *ipvs, skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 0); - __IP6_INC_STATS(net, idev, IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS(net, idev, IPSTATS_MIB_INHDRERRORS);

return false; } @@ -286,7 +286,7 @@ static inline bool decrement_ttl(struct netns_ipvs *ipvs, { if (ip_hdr(skb)->ttl <= 1) { /* Tell the sender its packet died... */ - __IP_INC_STATS(net, IPSTATS_MIB_INHDRERRORS); + IP_INC_STATS(net, IPSTATS_MIB_INHDRERRORS); icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0); return false; } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 4d1a009dab45..fca8f9a36063 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4302,8 +4302,8 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr, static int nft_set_desc_concat(struct nft_set_desc *desc, const struct nlattr *nla) { + u32 num_regs = 0, key_num_regs = 0; struct nlattr *attr; - u32 num_regs = 0; int rem, err, i;

nla_for_each_nested(attr, nla, rem) { @@ -4318,6 +4318,10 @@ static int nft_set_desc_concat(struct nft_set_desc *desc, for (i = 0; i < desc->field_count; i++) num_regs += DIV_ROUND_UP(desc->field_len[i], sizeof(u32));

+ key_num_regs = DIV_ROUND_UP(desc->klen, sizeof(u32)); + if (key_num_regs != num_regs) + return -EINVAL; + if (num_regs > NFT_REG32_COUNT) return -E2BIG;

@@ -4462,8 +4466,12 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, if (err < 0) return err;

- if (desc.field_count > 1 && !(flags & NFT_SET_CONCAT)) + if (desc.field_count > 1) { + if (!(flags & NFT_SET_CONCAT)) + return -EINVAL; + } else if (flags & NFT_SET_CONCAT) { return -EINVAL; + } } else if (flags & NFT_SET_CONCAT) { return -EINVAL; } @@ -5007,7 +5015,7 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx, const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv); struct nft_set_dump_args *args;

- if (nft_set_elem_expired(ext)) + if (nft_set_elem_expired(ext) || nft_set_elem_is_dead(ext)) return 0;

args = container_of(iter, struct nft_set_dump_args, iter); @@ -8840,6 +8848,7 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action) nft_trans_destroy(trans); break; } + nft_trans_set(trans)->dead = 1; list_del_rcu(&nft_trans_set(trans)->list); break; case NFT_MSG_DELSET: diff --git a/net/netlabel/netlabel_calipso.c b/net/netlabel/netlabel_calipso.c index 4e62f2ad3575..84ef4a29864b 100644 --- a/net/netlabel/netlabel_calipso.c +++ b/net/netlabel/netlabel_calipso.c @@ -54,6 +54,28 @@ static const struct nla_policy calipso_genl_policy[NLBL_CALIPSO_A_MAX + 1] = { [NLBL_CALIPSO_A_MTYPE] = { .type = NLA_U32 }, };

+static const struct netlbl_calipso_ops *calipso_ops; + +/** + * netlbl_calipso_ops_register - Register the CALIPSO operations + * @ops: ops to register + * + * Description: + * Register the CALIPSO packet engine operations. + * + */ +const struct netlbl_calipso_ops * +netlbl_calipso_ops_register(const struct netlbl_calipso_ops *ops) +{ + return xchg(&calipso_ops, ops); +} +EXPORT_SYMBOL(netlbl_calipso_ops_register); + +static const struct netlbl_calipso_ops *netlbl_calipso_ops_get(void) +{ + return READ_ONCE(calipso_ops); +} + /* NetLabel Command Handlers */ /** @@ -96,16 +118,19 @@ static int netlbl_calipso_add_pass(struct genl_info *info, * */ static int netlbl_calipso_add(struct sk_buff *skb, struct genl_info *info) - { int ret_val = -EINVAL; struct netlbl_audit audit_info; + const struct netlbl_calipso_ops *ops = netlbl_calipso_ops_get();

if (!info->attrs[NLBL_CALIPSO_A_DOI] || !info->attrs[NLBL_CALIPSO_A_MTYPE]) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + if (!ops) + return -EOPNOTSUPP; + + netlbl_netlink_auditinfo(&audit_info); switch (nla_get_u32(info->attrs[NLBL_CALIPSO_A_MTYPE])) { case CALIPSO_MAP_PASS: ret_val = netlbl_calipso_add_pass(info, &audit_info); @@ -287,7 +312,7 @@ static int netlbl_calipso_remove(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NLBL_CALIPSO_A_DOI]) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info); cb_arg.doi = nla_get_u32(info->attrs[NLBL_CALIPSO_A_DOI]); cb_arg.audit_info = &audit_info; ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain, @@ -362,27 +387,6 @@ int __init netlbl_calipso_genl_init(void) return genl_register_family(&netlbl_calipso_gnl_family); }

-static const struct netlbl_calipso_ops *calipso_ops; - -/** - * netlbl_calipso_ops_register - Register the CALIPSO operations - * - * Description: - * Register the CALIPSO packet engine operations. - * - */ -const struct netlbl_calipso_ops * -netlbl_calipso_ops_register(const struct netlbl_calipso_ops *ops) -{ - return xchg(&calipso_ops, ops); -} -EXPORT_SYMBOL(netlbl_calipso_ops_register); - -static const struct netlbl_calipso_ops *netlbl_calipso_ops_get(void) -{ - return READ_ONCE(calipso_ops); -} - /** * calipso_doi_add - Add a new DOI to the CALIPSO protocol engine * @doi_def: the DOI structure diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index f3f1df1b0f8e..894e6b8f1a86 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -410,7 +410,7 @@ static int netlbl_cipsov4_add(struct sk_buff *skb, struct genl_info *info) !info->attrs[NLBL_CIPSOV4_A_MTYPE]) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info); switch (nla_get_u32(info->attrs[NLBL_CIPSOV4_A_MTYPE])) { case CIPSO_V4_MAP_TRANS: ret_val = netlbl_cipsov4_add_std(info, &audit_info); @@ -709,7 +709,7 @@ static int netlbl_cipsov4_remove(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NLBL_CIPSOV4_A_DOI]) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info); cb_arg.doi = nla_get_u32(info->attrs[NLBL_CIPSOV4_A_DOI]); cb_arg.audit_info = &audit_info; ret_val = netlbl_domhsh_walk(&skip_bkt, &skip_chain, diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index 02a97bca1a1a..750a7a842ab9 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -435,7 +435,7 @@ static int netlbl_mgmt_add(struct sk_buff *skb, struct genl_info *info) (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

return netlbl_mgmt_add_common(info, &audit_info); } @@ -458,7 +458,7 @@ static int netlbl_mgmt_remove(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NLBL_MGMT_A_DOMAIN]) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

domain = nla_data(info->attrs[NLBL_MGMT_A_DOMAIN]); return netlbl_domhsh_remove(domain, AF_UNSPEC, &audit_info); @@ -558,7 +558,7 @@ static int netlbl_mgmt_adddef(struct sk_buff *skb, struct genl_info *info) (info->attrs[NLBL_MGMT_A_IPV6MASK] != NULL))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

return netlbl_mgmt_add_common(info, &audit_info); } @@ -577,7 +577,7 @@ static int netlbl_mgmt_removedef(struct sk_buff *skb, struct genl_info *info) { struct netlbl_audit audit_info;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

return netlbl_domhsh_remove_default(AF_UNSPEC, &audit_info); } diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index ccb491642811..3049fff0b7f8 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -814,7 +814,7 @@ static int netlbl_unlabel_accept(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NLBL_UNLABEL_A_ACPTFLG]) { value = nla_get_u8(info->attrs[NLBL_UNLABEL_A_ACPTFLG]); if (value == 1 || value == 0) { - netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info); netlbl_unlabel_acceptflg_set(value, &audit_info); return 0; } @@ -897,7 +897,7 @@ static int netlbl_unlabel_staticadd(struct sk_buff *skb, !info->attrs[NLBL_UNLABEL_A_IPV6MASK]))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

ret_val = netlbl_unlabel_addrinfo_get(info, &addr, &mask, &addr_len); if (ret_val != 0) @@ -947,7 +947,7 @@ static int netlbl_unlabel_staticadddef(struct sk_buff *skb, !info->attrs[NLBL_UNLABEL_A_IPV6MASK]))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

ret_val = netlbl_unlabel_addrinfo_get(info, &addr, &mask, &addr_len); if (ret_val != 0) @@ -994,7 +994,7 @@ static int netlbl_unlabel_staticremove(struct sk_buff *skb, !info->attrs[NLBL_UNLABEL_A_IPV6MASK]))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

ret_val = netlbl_unlabel_addrinfo_get(info, &addr, &mask, &addr_len); if (ret_val != 0) @@ -1034,7 +1034,7 @@ static int netlbl_unlabel_staticremovedef(struct sk_buff *skb, !info->attrs[NLBL_UNLABEL_A_IPV6MASK]))) return -EINVAL;

- netlbl_netlink_auditinfo(skb, &audit_info); + netlbl_netlink_auditinfo(&audit_info);

ret_val = netlbl_unlabel_addrinfo_get(info, &addr, &mask, &addr_len); if (ret_val != 0) diff --git a/net/netlabel/netlabel_user.h b/net/netlabel/netlabel_user.h index 3c67afce64f1..32d8f92c9a20 100644 --- a/net/netlabel/netlabel_user.h +++ b/net/netlabel/netlabel_user.h @@ -28,11 +28,9 @@

/** * netlbl_netlink_auditinfo - Fetch the audit information from a NETLINK msg - * @skb: the packet * @audit_info: NetLabel audit information */ -static inline void netlbl_netlink_auditinfo(struct sk_buff *skb, - struct netlbl_audit *audit_info) +static inline void netlbl_netlink_auditinfo(struct netlbl_audit *audit_info) { security_task_getsecid(current, &audit_info->secid); audit_info->loginuid = audit_get_loginuid(current); diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c index 713e9940d88b..c92dd960bfef 100644 --- a/net/qrtr/ns.c +++ b/net/qrtr/ns.c @@ -577,7 +577,9 @@ static int ctrl_cmd_del_server(struct sockaddr_qrtr *from, if (!node) return -ENOENT;

- return server_del(node, port, true); + server_del(node, port, true); + + return 0; }

static int ctrl_cmd_new_lookup(struct sockaddr_qrtr *from, diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 080e8f2bf985..4102689b3348 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -340,6 +340,8 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk, struct virtio_vsock_pkt *pkt; size_t bytes, total = 0; u32 free_space; + u32 fwd_cnt_delta; + bool low_rx_bytes; int err = -EFAULT;

spin_lock_bh(&vvs->rx_lock); @@ -371,7 +373,10 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk, } }

- free_space = vvs->buf_alloc - (vvs->fwd_cnt - vvs->last_fwd_cnt); + fwd_cnt_delta = vvs->fwd_cnt - vvs->last_fwd_cnt; + free_space = vvs->buf_alloc - fwd_cnt_delta; + low_rx_bytes = (vvs->rx_bytes < + sock_rcvlowat(sk_vsock(vsk), 0, INT_MAX));

spin_unlock_bh(&vvs->rx_lock);

@@ -381,9 +386,11 @@ virtio_transport_stream_do_dequeue(struct vsock_sock *vsk, * too high causes extra messages. Too low causes transmitter * stalls. As stalls are in theory more expensive than extra * messages, we set the limit to a high value. TODO: experiment - * with different values. + * with different values. Also send credit update message when + * number of bytes in rx queue is not enough to wake up reader. */ - if (free_space < VIRTIO_VSOCK_MAX_PKT_BUF_SIZE) { + if (fwd_cnt_delta && + (free_space < VIRTIO_VSOCK_MAX_PKT_BUF_SIZE || low_rx_bytes)) { virtio_transport_send_credit_update(vsk, VIRTIO_VSOCK_TYPE_STREAM, NULL); diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 10896d69c442..6c2a536173b5 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -696,6 +696,10 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name)

tmpname = aa_splitn_fqname(name, strlen(name), &tmpns, &ns_len); if (tmpns) { + if (!tmpname) { + info = "empty profile name"; + goto fail; + } *ns_name = kstrndup(tmpns, ns_len, GFP_KERNEL); if (!*ns_name) { info = "out of memory"; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index ee37ce2e2619..f545321d96dc 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4620,6 +4620,13 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in return -EINVAL; addr4 = (struct sockaddr_in *)address; if (family_sa == AF_UNSPEC) { + if (family == PF_INET6) { + /* Length check from inet6_bind_sk() */ + if (addrlen < SIN6_LEN_RFC2133) + return -EINVAL; + /* Family check from __inet6_bind() */ + goto err_af; + } /* see __inet_bind(), we only want to allow * AF_UNSPEC if the address is INADDR_ANY */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 99ba89723cd3..412fbe098e0c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6797,6 +6797,7 @@ enum { ALC290_FIXUP_SUBWOOFER_HSJACK, ALC269_FIXUP_THINKPAD_ACPI, ALC269_FIXUP_DMIC_THINKPAD_ACPI, + ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO, ALC255_FIXUP_ACER_MIC_NO_PRESENCE, ALC255_FIXUP_ASUS_MIC_NO_PRESENCE, ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, @@ -7094,6 +7095,14 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_pincfg_U7x7_headset_mic, }, + [ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x18, 0x03a19020 }, /* headset mic */ + { 0x1b, 0x90170150 }, /* speaker */ + { } + }, + }, [ALC269_FIXUP_AMIC] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -9025,6 +9034,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x87f5, "HP", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87f6, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), + SND_PCI_QUIRK(0x103c, 0x87fe, "HP Laptop 15s-fq2xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x8805, "HP ProBook 650 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x880d, "HP EliteBook 830 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8811, "HP Spectre x360 15-eb1xxx", ALC285_FIXUP_HP_SPECTRE_X360_EB1), @@ -9320,6 +9330,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC), SND_PCI_QUIRK(0x1d72, 0x1945, "Redmi G", ALC256_FIXUP_ASUS_HEADSET_MIC), SND_PCI_QUIRK(0x1d72, 0x1947, "RedmiBook Air", ALC255_FIXUP_XIAOMI_HEADSET_MIC), + SND_PCI_QUIRK(0x2782, 0x0232, "CHUWI CoreBook XPro", ALC269VB_FIXUP_CHUWI_COREBOOK_XPRO), SND_PCI_QUIRK(0x8086, 0x2074, "Intel NUC 8", ALC233_FIXUP_INTEL_NUC8_DMIC), SND_PCI_QUIRK(0x8086, 0x2080, "Intel NUC 8 Rugged", ALC256_FIXUP_INTEL_NUC8_RUGGED), SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", ALC256_FIXUP_INTEL_NUC10), diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c index 46705ec77b48..eb3aca16359c 100644 --- a/sound/pci/oxygen/oxygen_mixer.c +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -718,7 +718,7 @@ static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl, oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN); newreg = oldreg & ~0x0707; newreg = newreg | (value->value.integer.value[0] & 7); - newreg = newreg | ((value->value.integer.value[0] & 7) << 8); + newreg = newreg | ((value->value.integer.value[1] & 7) << 8); change = newreg != oldreg; if (change) oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg); diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c index d243de5f23dc..8a55d59a6c2a 100644 --- a/sound/soc/atmel/sam9g20_wm8731.c +++ b/sound/soc/atmel/sam9g20_wm8731.c @@ -46,6 +46,35 @@ */ #undef ENABLE_MIC_INPUT

+static struct clk *mclk; + +static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card, + struct snd_soc_dapm_context *dapm, + enum snd_soc_bias_level level) +{ + static int mclk_on; + int ret = 0; + + switch (level) { + case SND_SOC_BIAS_ON: + case SND_SOC_BIAS_PREPARE: + if (!mclk_on) + ret = clk_enable(mclk); + if (ret == 0) + mclk_on = 1; + break; + + case SND_SOC_BIAS_OFF: + case SND_SOC_BIAS_STANDBY: + if (mclk_on) + clk_disable(mclk); + mclk_on = 0; + break; + } + + return ret; +} + static const struct snd_soc_dapm_widget at91sam9g20ek_dapm_widgets[] = { SND_SOC_DAPM_MIC("Int Mic", NULL), SND_SOC_DAPM_SPK("Ext Spk", NULL), @@ -106,6 +135,7 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = { .owner = THIS_MODULE, .dai_link = &at91sam9g20ek_dai, .num_links = 1, + .set_bias_level = at91sam9g20ek_set_bias_level,

.dapm_widgets = at91sam9g20ek_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(at91sam9g20ek_dapm_widgets), @@ -118,6 +148,7 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device_node *codec_np, *cpu_np; + struct clk *pllb; struct snd_soc_card *card = &snd_soc_at91sam9g20ek; int ret;

@@ -131,6 +162,31 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev) return -EINVAL; }

+ /* + * Codec MCLK is supplied by PCK0 - set it up. + */ + mclk = clk_get(NULL, "pck0"); + if (IS_ERR(mclk)) { + dev_err(&pdev->dev, "Failed to get MCLK\n"); + ret = PTR_ERR(mclk); + goto err; + } + + pllb = clk_get(NULL, "pllb"); + if (IS_ERR(pllb)) { + dev_err(&pdev->dev, "Failed to get PLLB\n"); + ret = PTR_ERR(pllb); + goto err_mclk; + } + ret = clk_set_parent(mclk, pllb); + clk_put(pllb); + if (ret != 0) { + dev_err(&pdev->dev, "Failed to set MCLK parent\n"); + goto err_mclk; + } + + clk_set_rate(mclk, MCLK_RATE); + card->dev = &pdev->dev;

/* Parse device node info */ @@ -174,6 +230,9 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)

return ret;

+err_mclk: + clk_put(mclk); + mclk = NULL; err: atmel_ssc_put_audio(0); return ret; @@ -183,6 +242,8 @@ static int at91sam9g20ek_audio_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev);

+ clk_disable(mclk); + mclk = NULL; snd_soc_unregister_card(card); atmel_ssc_put_audio(0);

diff --git a/sound/soc/codecs/cs35l33.c b/sound/soc/codecs/cs35l33.c index 8894369e329a..87b299d24bd8 100644 --- a/sound/soc/codecs/cs35l33.c +++ b/sound/soc/codecs/cs35l33.c @@ -22,13 +22,11 @@ #include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <sound/cs35l33.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/regulator/machine.h> -#include <linux/of_gpio.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_irq.h> @@ -1168,7 +1166,7 @@ static int cs35l33_i2c_probe(struct i2c_client *i2c_client,

/* We could issue !RST or skip it based on AMP topology */ cs35l33->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, - "reset-gpios", GPIOD_OUT_HIGH); + "reset", GPIOD_OUT_HIGH); if (IS_ERR(cs35l33->reset_gpio)) { dev_err(&i2c_client->dev, "%s ERROR: Can't get reset GPIO\n", __func__); diff --git a/sound/soc/codecs/cs35l34.c b/sound/soc/codecs/cs35l34.c index b792c006e530..d9f975b52b21 100644 --- a/sound/soc/codecs/cs35l34.c +++ b/sound/soc/codecs/cs35l34.c @@ -20,14 +20,12 @@ #include <linux/regulator/machine.h> #include <linux/pm_runtime.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/of_irq.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> -#include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <sound/initval.h> #include <sound/tlv.h> @@ -1058,7 +1056,7 @@ static int cs35l34_i2c_probe(struct i2c_client *i2c_client, dev_err(&i2c_client->dev, "Failed to request IRQ: %d\n", ret);

cs35l34->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, - "reset-gpios", GPIOD_OUT_LOW); + "reset", GPIOD_OUT_LOW); if (IS_ERR(cs35l34->reset_gpio)) return PTR_ERR(cs35l34->reset_gpio);

diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c index 8f70dee95878..02fb9317b697 100644 --- a/sound/soc/codecs/cs43130.c +++ b/sound/soc/codecs/cs43130.c @@ -578,7 +578,7 @@ static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk, break; case SND_SOC_DAIFMT_LEFT_J: hi_size = bitwidth_sclk; - frm_delay = 2; + frm_delay = 0; frm_phase = 1; break; case SND_SOC_DAIFMT_DSP_A: @@ -1683,7 +1683,7 @@ static ssize_t cs43130_show_dc_r(struct device *dev, return cs43130_show_dc(dev, buf, HP_RIGHT); }

-static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = { +static const u16 cs43130_ac_freq[CS43130_AC_FREQ] = { 24, 43, 93, @@ -2364,7 +2364,7 @@ static const struct regmap_config cs43130_regmap = { .use_single_write = true, };

-static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = { +static const u16 cs43130_dc_threshold[CS43130_DC_THRESHOLD] = { 50, 120, }; diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c index b316d613a709..b6030709b6b6 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -654,7 +654,7 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev) aad_pdata->mic_det_thr = da7219_aad_fw_mic_det_thr(dev, fw_val32); else - aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS; + aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_200_OHMS;

if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &fw_val32) >= 0) aad_pdata->jack_ins_deb = diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c index d831959d8ff7..4ce15cd9ed02 100644 --- a/sound/soc/codecs/nau8822.c +++ b/sound/soc/codecs/nau8822.c @@ -184,6 +184,7 @@ static int nau8822_eq_get(struct snd_kcontrol *kcontrol, struct soc_bytes_ext *params = (void *)kcontrol->private_value; int i, reg; u16 reg_val, *val; + __be16 tmp;

val = (u16 *)ucontrol->value.bytes.data; reg = NAU8822_REG_EQ1; @@ -192,8 +193,8 @@ static int nau8822_eq_get(struct snd_kcontrol *kcontrol, /* conversion of 16-bit integers between native CPU format * and big endian format */ - reg_val = cpu_to_be16(reg_val); - memcpy(val + i, &reg_val, sizeof(reg_val)); + tmp = cpu_to_be16(reg_val); + memcpy(val + i, &tmp, sizeof(tmp)); }

return 0; @@ -216,6 +217,7 @@ static int nau8822_eq_put(struct snd_kcontrol *kcontrol, void *data; u16 *val, value; int i, reg, ret; + __be16 *tmp;

data = kmemdup(ucontrol->value.bytes.data, params->max, GFP_KERNEL | GFP_DMA); @@ -228,7 +230,8 @@ static int nau8822_eq_put(struct snd_kcontrol *kcontrol, /* conversion of 16-bit integers between native CPU format * and big endian format */ - value = be16_to_cpu(*(val + i)); + tmp = (__be16 *)(val + i); + value = be16_to_cpup(tmp); ret = snd_soc_component_write(component, reg + i, value); if (ret) { dev_err(component->dev, diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 99d91bfb8812..7dc80183921e 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -421,6 +421,7 @@ struct rt5645_priv { struct regulator_bulk_data supplies[ARRAY_SIZE(rt5645_supply_names)]; struct rt5645_eq_param_s *eq_param; struct timer_list btn_check_timer; + struct mutex jd_mutex;

int codec_type; int sysclk; @@ -3179,6 +3180,8 @@ static int rt5645_jack_detect(struct snd_soc_component *component, int jack_inse rt5645_enable_push_button_irq(component, true); } } else { + if (rt5645->en_button_func) + rt5645_enable_push_button_irq(component, false); snd_soc_dapm_disable_pin(dapm, "Mic Det Power"); snd_soc_dapm_sync(dapm); rt5645->jack_type = SND_JACK_HEADPHONE; @@ -3259,6 +3262,8 @@ static void rt5645_jack_detect_work(struct work_struct *work) if (!rt5645->component) return;

+ mutex_lock(&rt5645->jd_mutex); + switch (rt5645->pdata.jd_mode) { case 0: /* Not using rt5645 JD */ if (rt5645->gpiod_hp_det) { @@ -3283,7 +3288,7 @@ static void rt5645_jack_detect_work(struct work_struct *work)

if (!val && (rt5645->jack_type == 0)) { /* jack in */ report = rt5645_jack_detect(rt5645->component, 1); - } else if (!val && rt5645->jack_type != 0) { + } else if (!val && rt5645->jack_type == SND_JACK_HEADSET) { /* for push button and jack out */ btn_type = 0; if (snd_soc_component_read(rt5645->component, RT5645_INT_IRQ_ST) & 0x4) { @@ -3339,6 +3344,8 @@ static void rt5645_jack_detect_work(struct work_struct *work) rt5645_jack_detect(rt5645->component, 0); }

+ mutex_unlock(&rt5645->jd_mutex); + snd_soc_jack_report(rt5645->hp_jack, report, SND_JACK_HEADPHONE); snd_soc_jack_report(rt5645->mic_jack, report, SND_JACK_MICROPHONE); if (rt5645->en_button_func) @@ -4062,6 +4069,7 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, } timer_setup(&rt5645->btn_check_timer, rt5645_btn_check_callback, 0);

+ mutex_init(&rt5645->jd_mutex); INIT_DELAYED_WORK(&rt5645->jack_detect_work, rt5645_jack_detect_work); INIT_DELAYED_WORK(&rt5645->rcclock_work, rt5645_rcclock_work);

diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c index c86231dfcf4f..600e93d61a90 100644 --- a/sound/soc/codecs/wm8974.c +++ b/sound/soc/codecs/wm8974.c @@ -186,7 +186,7 @@ SOC_DAPM_SINGLE("PCM Playback Switch", WM8974_MONOMIX, 0, 1, 0),

/* Boost mixer */ static const struct snd_kcontrol_new wm8974_boost_mixer[] = { -SOC_DAPM_SINGLE("Aux Switch", WM8974_INPPGA, 6, 1, 1), +SOC_DAPM_SINGLE("PGA Switch", WM8974_INPPGA, 6, 1, 1), };

/* Input PGA */ @@ -246,8 +246,8 @@ static const struct snd_soc_dapm_route wm8974_dapm_routes[] = {

/* Boost Mixer */ {"ADC", NULL, "Boost Mixer"}, - {"Boost Mixer", "Aux Switch", "Aux Input"}, - {"Boost Mixer", NULL, "Input PGA"}, + {"Boost Mixer", NULL, "Aux Input"}, + {"Boost Mixer", "PGA Switch", "Input PGA"}, {"Boost Mixer", NULL, "MICP"},

/* Input PGA */ diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index b531d9dfc2d6..935c871abdaa 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -251,8 +251,10 @@ static int skl_pcm_open(struct snd_pcm_substream *substream, snd_pcm_set_sync(substream);

mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); - if (!mconfig) + if (!mconfig) { + kfree(dma_params); return -EINVAL; + }

skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);

@@ -1475,6 +1477,7 @@ int skl_platform_register(struct device *dev) dais = krealloc(skl->dais, sizeof(skl_fe_dai) + sizeof(skl_platform_dai), GFP_KERNEL); if (!dais) { + kfree(skl->dais); ret = -ENOMEM; goto err; } @@ -1487,8 +1490,10 @@ int skl_platform_register(struct device *dev)

ret = devm_snd_soc_register_component(dev, &skl_component, skl->dais, num_dais); - if (ret) + if (ret) { + kfree(skl->dais); dev_err(dev, "soc component registration failed %d\n", ret); + } err: return ret; } diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index 7a425271b08b..fd9624ad5f72 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -1003,8 +1003,10 @@ int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,

reply.size = (reply.header >> 32) & IPC_DATA_OFFSET_SZ_MASK; buf = krealloc(reply.data, reply.size, GFP_KERNEL); - if (!buf) + if (!buf) { + kfree(reply.data); return -ENOMEM; + } *payload = buf; *bytes = reply.size;

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index fd1a4d843e6f..63ea5bc6f1c4 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -3424,6 +3424,8 @@ union bpf_attr { * long bpf_get_task_stack(struct task_struct *task, void *buf, u32 size, u64 flags) * Description * Return a user or a kernel stack in bpf program provided buffer. + * Note: the user stack will only be populated if the *task* is + * the current task; all other tasks will return -EOPNOTSUPP. * To achieve this, the helper needs *task*, which is a valid * pointer to **struct task_struct**. To store the stacktrace, the * bpf program provides *buf* with a nonnegative *size*. @@ -3435,6 +3437,7 @@ union bpf_attr { * * **BPF_F_USER_STACK** * Collect a user space stack instead of a kernel stack. + * The *task* must be the current task. * **BPF_F_USER_BUILD_ID** * Collect buildid+offset instead of ips for user stack, * only valid if **BPF_F_USER_STACK** is also specified. diff --git a/tools/lib/api/io.h b/tools/lib/api/io.h index 777c20f6b604..458acd294237 100644 --- a/tools/lib/api/io.h +++ b/tools/lib/api/io.h @@ -9,6 +9,7 @@

#include <stdlib.h> #include <unistd.h> +#include <linux/types.h>

struct io { /* File descriptor being read/ */ diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index 4eb02762104b..c50d2c7a264f 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -533,9 +533,9 @@ int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env) return perf_evlist__add_sb_event(evlist, &attr, bpf_event__sb_cb, env); }

-void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, - struct perf_env *env, - FILE *fp) +void __bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, + struct perf_env *env, + FILE *fp) { __u32 *prog_lens = (__u32 *)(uintptr_t)(info->jited_func_lens); __u64 *prog_addrs = (__u64 *)(uintptr_t)(info->jited_ksyms); @@ -551,7 +551,7 @@ void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, if (info->btf_id) { struct btf_node *node;

- node = perf_env__find_btf(env, info->btf_id); + node = __perf_env__find_btf(env, info->btf_id); if (node) btf = btf__new((__u8 *)(node->data), node->data_size); diff --git a/tools/perf/util/bpf-event.h b/tools/perf/util/bpf-event.h index 68f315c3df5b..50f7412464df 100644 --- a/tools/perf/util/bpf-event.h +++ b/tools/perf/util/bpf-event.h @@ -34,9 +34,9 @@ struct btf_node { int machine__process_bpf(struct machine *machine, union perf_event *event, struct perf_sample *sample); int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env); -void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, - struct perf_env *env, - FILE *fp); +void __bpf_event__print_bpf_prog_info(struct bpf_prog_info *info, + struct perf_env *env, + FILE *fp); #else static inline int machine__process_bpf(struct machine *machine __maybe_unused, union perf_event *event __maybe_unused, @@ -51,9 +51,9 @@ static inline int evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused, return 0; }

-static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused, - struct perf_env *env __maybe_unused, - FILE *fp __maybe_unused) +static inline void __bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused, + struct perf_env *env __maybe_unused, + FILE *fp __maybe_unused) {

} diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index d81ed1bc14bd..ed2a42abe127 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -17,13 +17,19 @@ struct perf_env perf_env;

void perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node) +{ + down_write(&env->bpf_progs.lock); + __perf_env__insert_bpf_prog_info(env, info_node); + up_write(&env->bpf_progs.lock); +} + +void __perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node) { __u32 prog_id = info_node->info_linear->info.id; struct bpf_prog_info_node *node; struct rb_node *parent = NULL; struct rb_node **p;

- down_write(&env->bpf_progs.lock); p = &env->bpf_progs.infos.rb_node;

while (*p != NULL) { @@ -35,15 +41,13 @@ void perf_env__insert_bpf_prog_info(struct perf_env *env, p = &(*p)->rb_right; } else { pr_debug("duplicated bpf prog info %u\n", prog_id); - goto out; + return; } }

rb_link_node(&info_node->rb_node, parent, p); rb_insert_color(&info_node->rb_node, &env->bpf_progs.infos); env->bpf_progs.infos_cnt++; -out: - up_write(&env->bpf_progs.lock); }

struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, @@ -72,14 +76,22 @@ struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, }

bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) +{ + bool ret; + + down_write(&env->bpf_progs.lock); + ret = __perf_env__insert_btf(env, btf_node); + up_write(&env->bpf_progs.lock); + return ret; +} + +bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) { struct rb_node *parent = NULL; __u32 btf_id = btf_node->id; struct btf_node *node; struct rb_node **p; - bool ret = true;

- down_write(&env->bpf_progs.lock); p = &env->bpf_progs.btfs.rb_node;

while (*p != NULL) { @@ -91,25 +103,31 @@ bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) p = &(*p)->rb_right; } else { pr_debug("duplicated btf %u\n", btf_id); - ret = false; - goto out; + return false; } }

rb_link_node(&btf_node->rb_node, parent, p); rb_insert_color(&btf_node->rb_node, &env->bpf_progs.btfs); env->bpf_progs.btfs_cnt++; -out: - up_write(&env->bpf_progs.lock); - return ret; + return true; }

struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id) +{ + struct btf_node *res; + + down_read(&env->bpf_progs.lock); + res = __perf_env__find_btf(env, btf_id); + up_read(&env->bpf_progs.lock); + return res; +} + +struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id) { struct btf_node *node = NULL; struct rb_node *n;

- down_read(&env->bpf_progs.lock); n = env->bpf_progs.btfs.rb_node;

while (n) { @@ -119,13 +137,9 @@ struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id) else if (btf_id > node->id) n = n->rb_right; else - goto out; + return node; } - node = NULL; - -out: - up_read(&env->bpf_progs.lock); - return node; + return NULL; }

/* purge data in bpf_progs.infos tree */ diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 01378a955dd5..ef0fd544cd67 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -139,12 +139,16 @@ const char *perf_env__raw_arch(struct perf_env *env); int perf_env__nr_cpus_avail(struct perf_env *env);

void perf_env__init(struct perf_env *env); +void __perf_env__insert_bpf_prog_info(struct perf_env *env, + struct bpf_prog_info_node *info_node); void perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node); struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, __u32 prog_id); bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); +bool __perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id); +struct btf_node *__perf_env__find_btf(struct perf_env *env, __u32 btf_id);

int perf_env__numa_node(struct perf_env *env, int cpu); #endif /* __PERF_ENV_H */ diff --git a/tools/perf/util/genelf.c b/tools/perf/util/genelf.c index 02cd9f75e3d2..89a85601485d 100644 --- a/tools/perf/util/genelf.c +++ b/tools/perf/util/genelf.c @@ -291,9 +291,9 @@ jit_write_elf(int fd, uint64_t load_addr, const char *sym, */ phdr = elf_newphdr(e, 1); phdr[0].p_type = PT_LOAD; - phdr[0].p_offset = 0; - phdr[0].p_vaddr = 0; - phdr[0].p_paddr = 0; + phdr[0].p_offset = GEN_ELF_TEXT_OFFSET; + phdr[0].p_vaddr = GEN_ELF_TEXT_OFFSET; + phdr[0].p_paddr = GEN_ELF_TEXT_OFFSET; phdr[0].p_filesz = csize; phdr[0].p_memsz = csize; phdr[0].p_flags = PF_X | PF_R; diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index dd06770b43f1..d2812d98968d 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1655,8 +1655,8 @@ static void print_bpf_prog_info(struct feat_fd *ff, FILE *fp) node = rb_entry(next, struct bpf_prog_info_node, rb_node); next = rb_next(&node->rb_node);

- bpf_event__print_bpf_prog_info(&node->info_linear->info, - env, fp); + __bpf_event__print_bpf_prog_info(&node->info_linear->info, + env, fp); }

up_read(&env->bpf_progs.lock); @@ -2927,7 +2927,7 @@ static int process_bpf_prog_info(struct feat_fd *ff, void *data __maybe_unused) /* after reading from file, translate offset to address */ bpf_program__bpil_offs_to_addr(info_linear); info_node->info_linear = info_linear; - perf_env__insert_bpf_prog_info(env, info_node); + __perf_env__insert_bpf_prog_info(env, info_node); }

up_write(&env->bpf_progs.lock); @@ -2980,7 +2980,7 @@ static int process_bpf_btf(struct feat_fd *ff, void *data __maybe_unused) if (__do_read(ff, node->data, data_size)) goto out;

- perf_env__insert_btf(env, node); + __perf_env__insert_btf(env, node); node = NULL; }

diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh index 5c7700212f75..56761de1ca3b 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh @@ -121,6 +121,9 @@ h2_destroy()

switch_create() { + local lanes_swp4 + local pg1_size + # pools # -----

@@ -171,7 +174,7 @@ switch_create() # assignment. tc qdisc replace dev $swp1 root handle 1: \ ets bands 8 strict 8 priomap 7 6 - __mlnx_qos -i $swp1 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null + dcb buffer set dev $swp1 prio-buffer all:0 1:1

# $swp2 # ----- @@ -209,8 +212,8 @@ switch_create() # the lossless prio into a buffer of its own. Don't bother with buffer # sizes though, there is not going to be any pressure in the "backward" # direction. - __mlnx_qos -i $swp3 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null - __mlnx_qos -i $swp3 --pfc=0,1,0,0,0,0,0,0 >/dev/null + dcb buffer set dev $swp3 prio-buffer all:0 1:1 + dcb pfc set dev $swp3 prio-pfc all:off 1:on

# $swp4 # ----- @@ -226,11 +229,24 @@ switch_create() # Configure qdisc so that we can hand-tune headroom. tc qdisc replace dev $swp4 root handle 1: \ ets bands 8 strict 8 priomap 7 6 - __mlnx_qos -i $swp4 --prio2buffer=0,1,0,0,0,0,0,0 >/dev/null - __mlnx_qos -i $swp4 --pfc=0,1,0,0,0,0,0,0 >/dev/null + dcb buffer set dev $swp4 prio-buffer all:0 1:1 + dcb pfc set dev $swp4 prio-pfc all:off 1:on # PG0 will get autoconfigured to Xoff, give PG1 arbitrarily 100K, which # is (-2*MTU) about 80K of delay provision. - __mlnx_qos -i $swp4 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null + pg1_size=$_100KB + + setup_wait_dev_with_timeout $swp4 + + lanes_swp4=$(ethtool $swp4 | grep 'Lanes:') + lanes_swp4=${lanes_swp4#*"Lanes: "} + + # 8-lane ports use two buffers among which the configured buffer + # is split, so double the size to get twice (20K + 80K). + if [[ $lanes_swp4 -eq 8 ]]; then + pg1_size=$((pg1_size * 2)) + fi + + dcb buffer set dev $swp4 buffer-size all:0 1:$pg1_size

# bridges # ------- @@ -273,9 +289,9 @@ switch_destroy() # $swp4 # -----

- __mlnx_qos -i $swp4 --buffer_size=0,0,0,0,0,0,0,0 >/dev/null - __mlnx_qos -i $swp4 --pfc=0,0,0,0,0,0,0,0 >/dev/null - __mlnx_qos -i $swp4 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + dcb buffer set dev $swp4 buffer-size all:0 + dcb pfc set dev $swp4 prio-pfc all:off + dcb buffer set dev $swp4 prio-buffer all:0 tc qdisc del dev $swp4 root

devlink_tc_bind_pool_th_restore $swp4 1 ingress @@ -288,8 +304,8 @@ switch_destroy() # $swp3 # -----

- __mlnx_qos -i $swp3 --pfc=0,0,0,0,0,0,0,0 >/dev/null - __mlnx_qos -i $swp3 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + dcb pfc set dev $swp3 prio-pfc all:off + dcb buffer set dev $swp3 prio-buffer all:0 tc qdisc del dev $swp3 root

devlink_tc_bind_pool_th_restore $swp3 1 egress @@ -315,7 +331,7 @@ switch_destroy() # $swp1 # -----

- __mlnx_qos -i $swp1 --prio2buffer=0,0,0,0,0,0,0,0 >/dev/null + dcb buffer set dev $swp1 prio-buffer all:0 tc qdisc del dev $swp1 root

devlink_tc_bind_pool_th_restore $swp1 1 ingress diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh index fb850e0ec837..616d3581419c 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh @@ -10,7 +10,8 @@ lib_dir=$(dirname $0)/../../../../net/forwarding ALL_TESTS="single_mask_test identical_filters_test two_masks_test \ multiple_masks_test ctcam_edge_cases_test delta_simple_test \ delta_two_masks_one_key_test delta_simple_rehash_test \ - bloom_simple_test bloom_complex_test bloom_delta_test" + bloom_simple_test bloom_complex_test bloom_delta_test \ + max_erp_entries_test max_group_size_test" NUM_NETIFS=2 source $lib_dir/lib.sh source $lib_dir/tc_common.sh @@ -983,6 +984,109 @@ bloom_delta_test() log_test "bloom delta test ($tcflags)" }

+max_erp_entries_test() +{ + # The number of eRP entries is limited. Once the maximum number of eRPs + # has been reached, filters cannot be added. This test verifies that + # when this limit is reached, inserstion fails without crashing. + + RET=0 + + local num_masks=32 + local num_regions=15 + local chain_failed + local mask_failed + local ret + + if [[ "$tcflags" != "skip_sw" ]]; then + return 0; + fi + + for ((i=1; i < $num_regions; i++)); do + for ((j=$num_masks; j >= 0; j--)); do + tc filter add dev $h2 ingress chain $i protocol ip \ + pref $i handle $j flower $tcflags \ + dst_ip 192.1.0.0/$j &> /dev/null + ret=$? + + if [ $ret -ne 0 ]; then + chain_failed=$i + mask_failed=$j + break 2 + fi + done + done + + # We expect to exceed the maximum number of eRP entries, so that + # insertion eventually fails. Otherwise, the test should be adjusted to + # add more filters. + check_fail $ret "expected to exceed number of eRP entries" + + for ((; i >= 1; i--)); do + for ((j=0; j <= $num_masks; j++)); do + tc filter del dev $h2 ingress chain $i protocol ip \ + pref $i handle $j flower &> /dev/null + done + done + + log_test "max eRP entries test ($tcflags). " \ + "max chain $chain_failed, mask $mask_failed" +} + +max_group_size_test() +{ + # The number of ACLs in an ACL group is limited. Once the maximum + # number of ACLs has been reached, filters cannot be added. This test + # verifies that when this limit is reached, insertion fails without + # crashing. + + RET=0 + + local num_acls=32 + local max_size + local ret + + if [[ "$tcflags" != "skip_sw" ]]; then + return 0; + fi + + for ((i=1; i < $num_acls; i++)); do + if [[ $(( i % 2 )) == 1 ]]; then + tc filter add dev $h2 ingress pref $i proto ipv4 \ + flower $tcflags dst_ip 198.51.100.1/32 \ + ip_proto tcp tcp_flags 0x01/0x01 \ + action drop &> /dev/null + else + tc filter add dev $h2 ingress pref $i proto ipv6 \ + flower $tcflags dst_ip 2001:db8:1::1/128 \ + action drop &> /dev/null + fi + + ret=$? + [[ $ret -ne 0 ]] && max_size=$((i - 1)) && break + done + + # We expect to exceed the maximum number of ACLs in a group, so that + # insertion eventually fails. Otherwise, the test should be adjusted to + # add more filters. + check_fail $ret "expected to exceed number of ACLs in a group" + + for ((; i >= 1; i--)); do + if [[ $(( i % 2 )) == 1 ]]; then + tc filter del dev $h2 ingress pref $i proto ipv4 \ + flower $tcflags dst_ip 198.51.100.1/32 \ + ip_proto tcp tcp_flags 0x01/0x01 \ + action drop &> /dev/null + else + tc filter del dev $h2 ingress pref $i proto ipv6 \ + flower $tcflags dst_ip 2001:db8:1::1/128 \ + action drop &> /dev/null + fi + done + + log_test "max ACL group size test ($tcflags). max size $max_size" +} + setup_prepare() { h1=${NETIFS[p1]} diff --git a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh index 51df5e305855..b52d59547fc5 100755 --- a/tools/testing/selftests/net/fib_nexthop_multiprefix.sh +++ b/tools/testing/selftests/net/fib_nexthop_multiprefix.sh @@ -209,12 +209,12 @@ validate_v6_exception() echo "Route get" ip -netns h0 -6 ro get ${dst} echo "Searching for:" - echo " ${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}" + echo " ${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}" echo fi

ip -netns h0 -6 ro get ${dst} | \ - grep -q "${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}" + grep -q "${dst}.* via ${r1} dev eth0 src ${h0} .* mtu ${mtu}" rc=$?

log_test $rc 0 "IPv6: host 0 to host ${i}, mtu ${mtu}" diff --git a/tools/testing/selftests/powerpc/math/fpu_preempt.c b/tools/testing/selftests/powerpc/math/fpu_preempt.c index 5235bdc8c0b1..3e5b5663d244 100644 --- a/tools/testing/selftests/powerpc/math/fpu_preempt.c +++ b/tools/testing/selftests/powerpc/math/fpu_preempt.c @@ -37,19 +37,20 @@ __thread double darray[] = {0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, int threads_starting; int running;

-extern void preempt_fpu(double *darray, int *threads_starting, int *running); +extern int preempt_fpu(double *darray, int *threads_starting, int *running);

void *preempt_fpu_c(void *p) { + long rc; int i; + srand(pthread_self()); for (i = 0; i < 21; i++) darray[i] = rand();

- /* Test failed if it ever returns */ - preempt_fpu(darray, &threads_starting, &running); + rc = preempt_fpu(darray, &threads_starting, &running);

- return p; + return (void *)rc; }

int test_preempt_fpu(void) diff --git a/tools/testing/selftests/powerpc/math/vmx_preempt.c b/tools/testing/selftests/powerpc/math/vmx_preempt.c index 6761d6ce30ec..6f7cf400c687 100644 --- a/tools/testing/selftests/powerpc/math/vmx_preempt.c +++ b/tools/testing/selftests/powerpc/math/vmx_preempt.c @@ -37,19 +37,21 @@ __thread vector int varray[] = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10,11,12}, int threads_starting; int running;

-extern void preempt_vmx(vector int *varray, int *threads_starting, int *running); +extern int preempt_vmx(vector int *varray, int *threads_starting, int *running);

void *preempt_vmx_c(void *p) { int i, j; + long rc; + srand(pthread_self()); for (i = 0; i < 12; i++) for (j = 0; j < 4; j++) varray[i][j] = rand();

- /* Test fails if it ever returns */ - preempt_vmx(varray, &threads_starting, &running); - return p; + rc = preempt_vmx(varray, &threads_starting, &running); + + return (void *)rc; }

int test_preempt_vmx(void)