Re: Linux 4.18.10

diff --git a/Makefile b/Makefile index 1178348fb9ca..ffab15235ff0 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 18 -SUBLEVEL = 9 +SUBLEVEL = 10 EXTRAVERSION = NAME = Merciless Moray

@@ -225,10 +225,12 @@ no-dot-config-targets := $(clean-targets) \ cscope gtags TAGS tags help% %docs check% coccicheck \ $(version_h) headers_% archheaders archscripts \ kernelversion %src-pkg +no-sync-config-targets := $(no-dot-config-targets) install %install

-config-targets := 0 -mixed-targets := 0 -dot-config := 1 +config-targets := 0 +mixed-targets := 0 +dot-config := 1 +may-sync-config := 1

ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) @@ -236,6 +238,16 @@ ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) endif endif

+ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),) + ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),) + may-sync-config := 0 + endif +endif + +ifneq ($(KBUILD_EXTMOD),) + may-sync-config := 0 +endif + ifeq ($(KBUILD_EXTMOD),) ifneq ($(filter config %config,$(MAKECMDGOALS)),) config-targets := 1 @@ -610,7 +622,7 @@ ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile

ifeq ($(dot-config),1) -ifeq ($(KBUILD_EXTMOD),) +ifeq ($(may-sync-config),1) # Read in dependencies to all Kconfig* files, make sure to run syncconfig if # changes are detected. This should be included after arch/$(SRCARCH)/Makefile # because some architectures define CROSS_COMPILE there. @@ -625,8 +637,9 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig else -# external modules needs include/generated/autoconf.h and include/config/auto.conf -# but do not care if they are up-to-date. Use auto.conf to trigger the test +# External modules and some install targets need include/generated/autoconf.h +# and include/config/auto.conf but do not care if they are up-to-date. +# Use auto.conf to trigger the test PHONY += include/config/auto.conf

include/config/auto.conf: @@ -638,7 +651,7 @@ include/config/auto.conf: echo >&2 ; \ /bin/false)

-endif # KBUILD_EXTMOD +endif # may-sync-config

else # Dummy target needed, because used as prerequisite diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts index 4dc0b347b1ee..c2dc9d09484a 100644 --- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts +++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts @@ -189,6 +189,8 @@ regulator-max-microvolt = <2950000>;

regulator-boot-on; + regulator-system-load = <200000>; + regulator-allow-set-load; };

l21 { diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index d3db306a5a70..941b0ffd9806 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -203,6 +203,7 @@ static int __init exynos_pmu_irq_init(struct device_node *node, NULL); if (!domain) { iounmap(pmu_base_addr); + pmu_base_addr = NULL; return -ENOMEM; }

diff --git a/arch/arm/mach-hisi/hotplug.c b/arch/arm/mach-hisi/hotplug.c index a129aae72602..909bb2493781 100644 --- a/arch/arm/mach-hisi/hotplug.c +++ b/arch/arm/mach-hisi/hotplug.c @@ -148,13 +148,20 @@ static int hi3xxx_hotplug_init(void) struct device_node *node;

node = of_find_compatible_node(NULL, NULL, "hisilicon,sysctrl"); - if (node) { - ctrl_base = of_iomap(node, 0); - id = HI3620_CTRL; - return 0; + if (!node) { + id = ERROR_CTRL; + return -ENOENT; } - id = ERROR_CTRL; - return -ENOENT; + + ctrl_base = of_iomap(node, 0); + of_node_put(node); + if (!ctrl_base) { + id = ERROR_CTRL; + return -ENOMEM; + } + + id = HI3620_CTRL; + return 0; }

void hi3xxx_set_cpu(int cpu, bool enable) @@ -173,11 +180,15 @@ static bool hix5hd2_hotplug_init(void) struct device_node *np;

np = of_find_compatible_node(NULL, NULL, "hisilicon,cpuctrl"); - if (np) { - ctrl_base = of_iomap(np, 0); - return true; - } - return false; + if (!np) + return false; + + ctrl_base = of_iomap(np, 0); + of_node_put(np); + if (!ctrl_base) + return false; + + return true; }

void hix5hd2_set_cpu(int cpu, bool enable) @@ -219,10 +230,10 @@ void hip01_set_cpu(int cpu, bool enable)

if (!ctrl_base) { np = of_find_compatible_node(NULL, NULL, "hisilicon,hip01-sysctrl"); - if (np) - ctrl_base = of_iomap(np, 0); - else - BUG(); + BUG_ON(!np); + ctrl_base = of_iomap(np, 0); + of_node_put(np); + BUG_ON(!ctrl_base); }

if (enable) { diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi index 9213c966c224..ec7ea8dca777 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi @@ -331,7 +331,7 @@ reg = <0 0x11002000 0 0x400>; interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_LOW>; clocks = <&topckgen CLK_TOP_UART_SEL>, - <&pericfg CLK_PERI_UART1_PD>; + <&pericfg CLK_PERI_UART0_PD>; clock-names = "baud", "bus"; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi index 9ff848792712..78ce3979ef09 100644 --- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi @@ -338,7 +338,7 @@ led@6 { label = "apq8016-sbc:blue:bt"; gpios = <&pm8916_mpps 3 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "bt"; + linux,default-trigger = "bluetooth-power"; default-state = "off"; }; }; diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi index 0298bd0d0e1a..caf112629caa 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi @@ -58,6 +58,7 @@ clocks = <&sys_clk 32>; enable-method = "psci"; operating-points-v2 = <&cluster0_opp>; + #cooling-cells = <2>; };

cpu2: cpu@100 { @@ -77,6 +78,7 @@ clocks = <&sys_clk 33>; enable-method = "psci"; operating-points-v2 = <&cluster1_opp>; + #cooling-cells = <2>; }; };

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 33147aacdafd..dd5b4fab114f 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -670,6 +670,28 @@ static void armv8pmu_disable_event(struct perf_event *event) raw_spin_unlock_irqrestore(&events->pmu_lock, flags); }

+static void armv8pmu_start(struct arm_pmu *cpu_pmu) +{ + unsigned long flags; + struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events); + + raw_spin_lock_irqsave(&events->pmu_lock, flags); + /* Enable all counters */ + armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMU_PMCR_E); + raw_spin_unlock_irqrestore(&events->pmu_lock, flags); +} + +static void armv8pmu_stop(struct arm_pmu *cpu_pmu) +{ + unsigned long flags; + struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events); + + raw_spin_lock_irqsave(&events->pmu_lock, flags); + /* Disable all counters */ + armv8pmu_pmcr_write(armv8pmu_pmcr_read() & ~ARMV8_PMU_PMCR_E); + raw_spin_unlock_irqrestore(&events->pmu_lock, flags); +} + static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu) { u32 pmovsr; @@ -694,6 +716,11 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu) */ regs = get_irq_regs();

+ /* + * Stop the PMU while processing the counter overflows + * to prevent skews in group events. + */ + armv8pmu_stop(cpu_pmu); for (idx = 0; idx < cpu_pmu->num_events; ++idx) { struct perf_event *event = cpuc->events[idx]; struct hw_perf_event *hwc; @@ -718,6 +745,7 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu) if (perf_event_overflow(event, &data, regs)) cpu_pmu->disable(event); } + armv8pmu_start(cpu_pmu);

/* * Handle the pending perf events. @@ -731,28 +759,6 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *cpu_pmu) return IRQ_HANDLED; }

-static void armv8pmu_start(struct arm_pmu *cpu_pmu) -{ - unsigned long flags; - struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events); - - raw_spin_lock_irqsave(&events->pmu_lock, flags); - /* Enable all counters */ - armv8pmu_pmcr_write(armv8pmu_pmcr_read() | ARMV8_PMU_PMCR_E); - raw_spin_unlock_irqrestore(&events->pmu_lock, flags); -} - -static void armv8pmu_stop(struct arm_pmu *cpu_pmu) -{ - unsigned long flags; - struct pmu_hw_events *events = this_cpu_ptr(cpu_pmu->hw_events); - - raw_spin_lock_irqsave(&events->pmu_lock, flags); - /* Disable all counters */ - armv8pmu_pmcr_write(armv8pmu_pmcr_read() & ~ARMV8_PMU_PMCR_E); - raw_spin_unlock_irqrestore(&events->pmu_lock, flags); -} - static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc, struct perf_event *event) { diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 5c338ce5a7fa..db5440339ab3 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -277,19 +277,22 @@ static int ptrace_hbp_set_event(unsigned int note_type,

switch (note_type) { case NT_ARM_HW_BREAK: - if (idx < ARM_MAX_BRP) { - tsk->thread.debug.hbp_break[idx] = bp; - err = 0; - } + if (idx >= ARM_MAX_BRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_BRP); + tsk->thread.debug.hbp_break[idx] = bp; + err = 0; break; case NT_ARM_HW_WATCH: - if (idx < ARM_MAX_WRP) { - tsk->thread.debug.hbp_watch[idx] = bp; - err = 0; - } + if (idx >= ARM_MAX_WRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_WRP); + tsk->thread.debug.hbp_watch[idx] = bp; + err = 0; break; }

+out: return err; }

diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index f206dafbb0a3..26a058d58d37 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -40,6 +40,7 @@ static char ath79_sys_type[ATH79_SYS_TYPE_LEN];

static void ath79_restart(char *command) { + local_irq_disable(); ath79_device_reset_set(AR71XX_RESET_FULL_CHIP); for (;;) if (cpu_wait) diff --git a/arch/mips/include/asm/mach-ath79/ath79.h b/arch/mips/include/asm/mach-ath79/ath79.h index 441faa92c3cd..6e6c0fead776 100644 --- a/arch/mips/include/asm/mach-ath79/ath79.h +++ b/arch/mips/include/asm/mach-ath79/ath79.h @@ -134,6 +134,7 @@ static inline u32 ath79_pll_rr(unsigned reg) static inline void ath79_reset_wr(unsigned reg, u32 val) { __raw_writel(val, ath79_reset_base + reg); + (void) __raw_readl(ath79_reset_base + reg); /* flush */ }

static inline u32 ath79_reset_rr(unsigned reg) diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform index 28448d358c10..a2a5a85ea1f9 100644 --- a/arch/mips/jz4740/Platform +++ b/arch/mips/jz4740/Platform @@ -1,4 +1,4 @@ platform-$(CONFIG_MACH_INGENIC) += jz4740/ cflags-$(CONFIG_MACH_INGENIC) += -I$(srctree)/arch/mips/include/asm/mach-jz4740 load-$(CONFIG_MACH_INGENIC) += 0xffffffff80010000 -zload-$(CONFIG_MACH_INGENIC) += 0xffffffff80600000 +zload-$(CONFIG_MACH_INGENIC) += 0xffffffff81000000 diff --git a/arch/mips/loongson64/common/cs5536/cs5536_ohci.c b/arch/mips/loongson64/common/cs5536/cs5536_ohci.c index f7c905e50dc4..92dc6bafc127 100644 --- a/arch/mips/loongson64/common/cs5536/cs5536_ohci.c +++ b/arch/mips/loongson64/common/cs5536/cs5536_ohci.c @@ -138,7 +138,7 @@ u32 pci_ohci_read_reg(int reg) break; case PCI_OHCI_INT_REG: _rdmsr(DIVIL_MSR_REG(PIC_YSEL_LOW), &hi, &lo); - if ((lo & 0x00000f00) == CS5536_USB_INTR) + if (((lo >> PIC_YSEL_LOW_USB_SHIFT) & 0xf) == CS5536_USB_INTR) conf_data = 1; break; default: diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c index 8c456fa691a5..8167ce8e0cdd 100644 --- a/arch/powerpc/kvm/book3s_64_vio.c +++ b/arch/powerpc/kvm/book3s_64_vio.c @@ -180,7 +180,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd, if ((tbltmp->it_page_shift <= stt->page_shift) && (tbltmp->it_offset << tbltmp->it_page_shift == stt->offset << stt->page_shift) && - (tbltmp->it_size << tbltmp->it_page_shift == + (tbltmp->it_size << tbltmp->it_page_shift >= stt->size << stt->page_shift)) { /* * Reference the table to avoid races with @@ -296,7 +296,7 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, { struct kvmppc_spapr_tce_table *stt = NULL; struct kvmppc_spapr_tce_table *siter; - unsigned long npages, size; + unsigned long npages, size = args->size; int ret = -ENOMEM; int i;

@@ -304,7 +304,6 @@ long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, (args->offset + args->size > (ULLONG_MAX >> args->page_shift))) return -EINVAL;

- size = _ALIGN_UP(args->size, PAGE_SIZE >> 3); npages = kvmppc_tce_pages(size); ret = kvmppc_account_memlimit(kvmppc_stt_pages(npages), true); if (ret) diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index a995513573c2..2ebd5132a29f 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4562,6 +4562,8 @@ static int kvmppc_book3s_init_hv(void) pr_err("KVM-HV: Cannot determine method for accessing XICS\n"); return -ENODEV; } + /* presence of intc confirmed - node can be dropped again */ + of_node_put(np); } #endif

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 0d539c661748..371e33ecc547 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -388,7 +388,7 @@ int opal_put_chars(uint32_t vtermno, const char *data, int total_len) /* Closed or other error drop */ if (rc != OPAL_SUCCESS && rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT) { - written = total_len; + written += total_len; break; } if (rc == OPAL_SUCCESS) { diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c index 80b27294c1de..ab9a0ebecc19 100644 --- a/arch/s390/crypto/paes_s390.c +++ b/arch/s390/crypto/paes_s390.c @@ -208,7 +208,7 @@ static int cbc_paes_crypt(struct blkcipher_desc *desc, unsigned long modifier, walk->dst.virt.addr, walk->src.virt.addr, n); if (k) ret = blkcipher_walk_done(desc, walk, nbytes - k); - if (n < k) { + if (k < n) { if (__cbc_paes_set_key(ctx) != 0) return blkcipher_walk_done(desc, walk, -EIO); memcpy(param.key, ctx->pk.protkey, MAXPROTKEYSIZE); diff --git a/arch/x86/kernel/eisa.c b/arch/x86/kernel/eisa.c index f260e452e4f8..e8c8c5d78dbd 100644 --- a/arch/x86/kernel/eisa.c +++ b/arch/x86/kernel/eisa.c @@ -7,11 +7,17 @@ #include <linux/eisa.h> #include <linux/io.h>

+#include <xen/xen.h> + static __init int eisa_bus_probe(void) { - void __iomem *p = ioremap(0x0FFFD9, 4); + void __iomem *p; + + if (xen_pv_domain() && !xen_initial_domain()) + return 0;

- if (readl(p) == 'E' + ('I'<<8) + ('S'<<16) + ('A'<<24)) + p = ioremap(0x0FFFD9, 4); + if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24)) EISA_bus = 1; iounmap(p); return 0; diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index 946455e9cfef..1d2106d83b4e 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -177,7 +177,7 @@ static p4d_t *pti_user_pagetable_walk_p4d(unsigned long address)

if (pgd_none(*pgd)) { unsigned long new_p4d_page = __get_free_page(gfp); - if (!new_p4d_page) + if (WARN_ON_ONCE(!new_p4d_page)) return NULL;

set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(new_p4d_page))); @@ -196,13 +196,17 @@ static p4d_t *pti_user_pagetable_walk_p4d(unsigned long address) static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) { gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); - p4d_t *p4d = pti_user_pagetable_walk_p4d(address); + p4d_t *p4d; pud_t *pud;

+ p4d = pti_user_pagetable_walk_p4d(address); + if (!p4d) + return NULL; + BUILD_BUG_ON(p4d_large(*p4d) != 0); if (p4d_none(*p4d)) { unsigned long new_pud_page = __get_free_page(gfp); - if (!new_pud_page) + if (WARN_ON_ONCE(!new_pud_page)) return NULL;

set_p4d(p4d, __p4d(_KERNPG_TABLE | __pa(new_pud_page))); @@ -216,7 +220,7 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) } if (pud_none(*pud)) { unsigned long new_pmd_page = __get_free_page(gfp); - if (!new_pmd_page) + if (WARN_ON_ONCE(!new_pmd_page)) return NULL;

set_pud(pud, __pud(_KERNPG_TABLE | __pa(new_pmd_page))); @@ -238,9 +242,13 @@ static pmd_t *pti_user_pagetable_walk_pmd(unsigned long address) static __init pte_t *pti_user_pagetable_walk_pte(unsigned long address) { gfp_t gfp = (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); - pmd_t *pmd = pti_user_pagetable_walk_pmd(address); + pmd_t *pmd; pte_t *pte;

+ pmd = pti_user_pagetable_walk_pmd(address); + if (!pmd) + return NULL; + /* We can't do anything sensible if we hit a large mapping. */ if (pmd_large(*pmd)) { WARN_ON(1); @@ -298,6 +306,10 @@ pti_clone_pmds(unsigned long start, unsigned long end, pmdval_t clear) p4d_t *p4d; pud_t *pud;

+ /* Overflow check */ + if (addr < start) + break; + pgd = pgd_offset_k(addr); if (WARN_ON(pgd_none(*pgd))) return; @@ -355,6 +367,9 @@ static void __init pti_clone_p4d(unsigned long addr) pgd_t *kernel_pgd;

user_p4d = pti_user_pagetable_walk_p4d(addr); + if (!user_p4d) + return; + kernel_pgd = pgd_offset_k(addr); kernel_p4d = p4d_offset(kernel_pgd, addr); *user_p4d = *kernel_p4d; diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c index f4bbb28026f8..58709e89a8ed 100644 --- a/arch/xtensa/platforms/iss/setup.c +++ b/arch/xtensa/platforms/iss/setup.c @@ -78,23 +78,28 @@ static struct notifier_block iss_panic_block = {

void __init platform_setup(char **p_cmdline) { + static void *argv[COMMAND_LINE_SIZE / sizeof(void *)] __initdata; + static char cmdline[COMMAND_LINE_SIZE] __initdata; int argc = simc_argc(); int argv_size = simc_argv_size();

if (argc > 1) { - void **argv = alloc_bootmem(argv_size); - char *cmdline = alloc_bootmem(argv_size); - int i; + if (argv_size > sizeof(argv)) { + pr_err("%s: command line too long: argv_size = %d\n", + __func__, argv_size); + } else { + int i;

- cmdline[0] = 0; - simc_argv((void *)argv); + cmdline[0] = 0; + simc_argv((void *)argv);

- for (i = 1; i < argc; ++i) { - if (i > 1) - strcat(cmdline, " "); - strcat(cmdline, argv[i]); + for (i = 1; i < argc; ++i) { + if (i > 1) + strcat(cmdline, " "); + strcat(cmdline, argv[i]); + } + *p_cmdline = cmdline; } - *p_cmdline = cmdline; }

atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block); diff --git a/block/blk-core.c b/block/blk-core.c index cbaca5a73f2e..f9d2e1b66e05 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -791,9 +791,13 @@ void blk_cleanup_queue(struct request_queue *q) * make sure all in-progress dispatch are completed because * blk_freeze_queue() can only complete all requests, and * dispatch may still be in-progress since we dispatch requests - * from more than one contexts + * from more than one contexts. + * + * No need to quiesce queue if it isn't initialized yet since + * blk_freeze_queue() should be enough for cases of passthrough + * request. */ - if (q->mq_ops) + if (q->mq_ops && blk_queue_init_done(q)) blk_mq_quiesce_queue(q);

/* for synchronous bio-based driver finish in-flight integrity i/o */ diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 56c493c6cd90..f5745acc2d98 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -339,7 +339,8 @@ bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio) return e->type->ops.mq.bio_merge(hctx, bio); }

- if (hctx->flags & BLK_MQ_F_SHOULD_MERGE) { + if ((hctx->flags & BLK_MQ_F_SHOULD_MERGE) && + !list_empty_careful(&ctx->rq_list)) { /* default per sw-queue merge */ spin_lock(&ctx->lock); ret = blk_mq_attempt_merge(q, ctx, bio); diff --git a/block/blk-settings.c b/block/blk-settings.c index d1de71124656..24fff4a3d08a 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -128,7 +128,7 @@ void blk_set_stacking_limits(struct queue_limits *lim)

/* Inherit limits from component devices */ lim->max_segments = USHRT_MAX; - lim->max_discard_segments = 1; + lim->max_discard_segments = USHRT_MAX; lim->max_hw_sectors = UINT_MAX; lim->max_segment_size = UINT_MAX; lim->max_sectors = UINT_MAX; diff --git a/crypto/api.c b/crypto/api.c index 0ee632bba064..7aca9f86c5f3 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -229,7 +229,7 @@ static struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, mask &= ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD);

alg = crypto_alg_lookup(name, type, mask); - if (!alg) { + if (!alg && !(mask & CRYPTO_NOLOAD)) { request_module("crypto-%s", name);

if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask & diff --git a/drivers/base/core.c b/drivers/base/core.c index df3e1a44707a..3aba4ad8af5c 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2809,6 +2809,9 @@ void device_shutdown(void) { struct device *dev, *parent;

+ wait_for_device_probe(); + device_block_probing(); + spin_lock(&devices_kset->list_lock); /* * Walk the devices list backward, shutting down each in turn. diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index f6518067aa7d..f99e5c883368 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -21,6 +21,7 @@ #define DAC960_DriverDate "21 Aug 2007"

+#include <linux/compiler.h> #include <linux/module.h> #include <linux/types.h> #include <linux/miscdevice.h> @@ -6426,7 +6427,7 @@ static bool DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller, return true; }

-static int dac960_proc_show(struct seq_file *m, void *v) +static int __maybe_unused dac960_proc_show(struct seq_file *m, void *v) { unsigned char *StatusMessage = "OK\n"; int ControllerNumber; @@ -6446,14 +6447,16 @@ static int dac960_proc_show(struct seq_file *m, void *v) return 0; }

-static int dac960_initial_status_proc_show(struct seq_file *m, void *v) +static int __maybe_unused dac960_initial_status_proc_show(struct seq_file *m, + void *v) { DAC960_Controller_T *Controller = (DAC960_Controller_T *)m->private; seq_printf(m, "%.*s", Controller->InitialStatusLength, Controller->CombinedStatusBuffer); return 0; }

-static int dac960_current_status_proc_show(struct seq_file *m, void *v) +static int __maybe_unused dac960_current_status_proc_show(struct seq_file *m, + void *v) { DAC960_Controller_T *Controller = (DAC960_Controller_T *) m->private; unsigned char *StatusMessage = diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c index a3397664f800..97d6856c9c0f 100644 --- a/drivers/char/ipmi/ipmi_bt_sm.c +++ b/drivers/char/ipmi/ipmi_bt_sm.c @@ -59,8 +59,6 @@ enum bt_states { BT_STATE_RESET3, BT_STATE_RESTART, BT_STATE_PRINTME, - BT_STATE_CAPABILITIES_BEGIN, - BT_STATE_CAPABILITIES_END, BT_STATE_LONG_BUSY /* BT doesn't get hosed :-) */ };

@@ -86,7 +84,6 @@ struct si_sm_data { int error_retries; /* end of "common" fields */ int nonzero_status; /* hung BMCs stay all 0 */ enum bt_states complete; /* to divert the state machine */ - int BT_CAP_outreqs; long BT_CAP_req2rsp; int BT_CAP_retries; /* Recommended retries */ }; @@ -137,8 +134,6 @@ static char *state2txt(unsigned char state) case BT_STATE_RESET3: return("RESET3"); case BT_STATE_RESTART: return("RESTART"); case BT_STATE_LONG_BUSY: return("LONG_BUSY"); - case BT_STATE_CAPABILITIES_BEGIN: return("CAP_BEGIN"); - case BT_STATE_CAPABILITIES_END: return("CAP_END"); } return("BAD STATE"); } @@ -185,7 +180,6 @@ static unsigned int bt_init_data(struct si_sm_data *bt, struct si_sm_io *io) bt->complete = BT_STATE_IDLE; /* end here */ bt->BT_CAP_req2rsp = BT_NORMAL_TIMEOUT * USEC_PER_SEC; bt->BT_CAP_retries = BT_NORMAL_RETRY_LIMIT; - /* BT_CAP_outreqs == zero is a flag to read BT Capabilities */ return 3; /* We claim 3 bytes of space; ought to check SPMI table */ }

@@ -451,7 +445,7 @@ static enum si_sm_result error_recovery(struct si_sm_data *bt,

static enum si_sm_result bt_event(struct si_sm_data *bt, long time) { - unsigned char status, BT_CAP[8]; + unsigned char status; static enum bt_states last_printed = BT_STATE_PRINTME; int i;

@@ -504,12 +498,6 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) if (status & BT_H_BUSY) /* clear a leftover H_BUSY */ BT_CONTROL(BT_H_BUSY);

- bt->timeout = bt->BT_CAP_req2rsp; - - /* Read BT capabilities if it hasn't been done yet */ - if (!bt->BT_CAP_outreqs) - BT_STATE_CHANGE(BT_STATE_CAPABILITIES_BEGIN, - SI_SM_CALL_WITHOUT_DELAY); BT_SI_SM_RETURN(SI_SM_IDLE);

case BT_STATE_XACTION_START: @@ -614,37 +602,6 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time) BT_STATE_CHANGE(BT_STATE_XACTION_START, SI_SM_CALL_WITH_DELAY);

- /* - * Get BT Capabilities, using timing of upper level state machine. - * Set outreqs to prevent infinite loop on timeout. - */ - case BT_STATE_CAPABILITIES_BEGIN: - bt->BT_CAP_outreqs = 1; - { - unsigned char GetBT_CAP[] = { 0x18, 0x36 }; - bt->state = BT_STATE_IDLE; - bt_start_transaction(bt, GetBT_CAP, sizeof(GetBT_CAP)); - } - bt->complete = BT_STATE_CAPABILITIES_END; - BT_STATE_CHANGE(BT_STATE_XACTION_START, - SI_SM_CALL_WITH_DELAY); - - case BT_STATE_CAPABILITIES_END: - i = bt_get_result(bt, BT_CAP, sizeof(BT_CAP)); - bt_init_data(bt, bt->io); - if ((i == 8) && !BT_CAP[2]) { - bt->BT_CAP_outreqs = BT_CAP[3]; - bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC; - bt->BT_CAP_retries = BT_CAP[7]; - } else - printk(KERN_WARNING "IPMI BT: using default values\n"); - if (!bt->BT_CAP_outreqs) - bt->BT_CAP_outreqs = 1; - printk(KERN_WARNING "IPMI BT: req2rsp=%ld secs retries=%d\n", - bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries); - bt->timeout = bt->BT_CAP_req2rsp; - return SI_SM_CALL_WITHOUT_DELAY; - default: /* should never occur */ return error_recovery(bt, status, @@ -655,6 +612,11 @@ static enum si_sm_result bt_event(struct si_sm_data *bt, long time)

static int bt_detect(struct si_sm_data *bt) { + unsigned char GetBT_CAP[] = { 0x18, 0x36 }; + unsigned char BT_CAP[8]; + enum si_sm_result smi_result; + int rv; + /* * It's impossible for the BT status and interrupt registers to be * all 1's, (assuming a properly functioning, self-initialized BMC) @@ -665,6 +627,48 @@ static int bt_detect(struct si_sm_data *bt) if ((BT_STATUS == 0xFF) && (BT_INTMASK_R == 0xFF)) return 1; reset_flags(bt); + + /* + * Try getting the BT capabilities here. + */ + rv = bt_start_transaction(bt, GetBT_CAP, sizeof(GetBT_CAP)); + if (rv) { + dev_warn(bt->io->dev, + "Can't start capabilities transaction: %d\n", rv); + goto out_no_bt_cap; + } + + smi_result = SI_SM_CALL_WITHOUT_DELAY; + for (;;) { + if (smi_result == SI_SM_CALL_WITH_DELAY || + smi_result == SI_SM_CALL_WITH_TICK_DELAY) { + schedule_timeout_uninterruptible(1); + smi_result = bt_event(bt, jiffies_to_usecs(1)); + } else if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { + smi_result = bt_event(bt, 0); + } else + break; + } + + rv = bt_get_result(bt, BT_CAP, sizeof(BT_CAP)); + bt_init_data(bt, bt->io); + if (rv < 8) { + dev_warn(bt->io->dev, "bt cap response too short: %d\n", rv); + goto out_no_bt_cap; + } + + if (BT_CAP[2]) { + dev_warn(bt->io->dev, "Error fetching bt cap: %x\n", BT_CAP[2]); +out_no_bt_cap: + dev_warn(bt->io->dev, "using default values\n"); + } else { + bt->BT_CAP_req2rsp = BT_CAP[6] * USEC_PER_SEC; + bt->BT_CAP_retries = BT_CAP[7]; + } + + dev_info(bt->io->dev, "req2rsp=%ld secs retries=%d\n", + bt->BT_CAP_req2rsp / USEC_PER_SEC, bt->BT_CAP_retries); + return 0; }

diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 51832b8a2c62..7fc9612070a1 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -3381,39 +3381,45 @@ int ipmi_register_smi(const struct ipmi_smi_handlers *handlers,

rv = handlers->start_processing(send_info, intf); if (rv) - goto out; + goto out_err;

rv = __bmc_get_device_id(intf, NULL, &id, NULL, NULL, i); if (rv) { dev_err(si_dev, "Unable to get the device id: %d\n", rv); - goto out; + goto out_err_started; }

mutex_lock(&intf->bmc_reg_mutex); rv = __scan_channels(intf, &id); mutex_unlock(&intf->bmc_reg_mutex); + if (rv) + goto out_err_bmc_reg;

- out: - if (rv) { - ipmi_bmc_unregister(intf); - list_del_rcu(&intf->link); - mutex_unlock(&ipmi_interfaces_mutex); - synchronize_srcu(&ipmi_interfaces_srcu); - cleanup_srcu_struct(&intf->users_srcu); - kref_put(&intf->refcount, intf_free); - } else { - /* - * Keep memory order straight for RCU readers. Make - * sure everything else is committed to memory before - * setting intf_num to mark the interface valid. - */ - smp_wmb(); - intf->intf_num = i; - mutex_unlock(&ipmi_interfaces_mutex); + /* + * Keep memory order straight for RCU readers. Make + * sure everything else is committed to memory before + * setting intf_num to mark the interface valid. + */ + smp_wmb(); + intf->intf_num = i; + mutex_unlock(&ipmi_interfaces_mutex);

- /* After this point the interface is legal to use. */ - call_smi_watchers(i, intf->si_dev); - } + /* After this point the interface is legal to use. */ + call_smi_watchers(i, intf->si_dev); + + return 0; + + out_err_bmc_reg: + ipmi_bmc_unregister(intf); + out_err_started: + if (intf->handlers->shutdown) + intf->handlers->shutdown(intf->send_info); + out_err: + list_del_rcu(&intf->link); + mutex_unlock(&ipmi_interfaces_mutex); + synchronize_srcu(&ipmi_interfaces_srcu); + cleanup_srcu_struct(&intf->users_srcu); + kref_put(&intf->refcount, intf_free);

return rv; } @@ -3504,7 +3510,8 @@ void ipmi_unregister_smi(struct ipmi_smi *intf) } srcu_read_unlock(&intf->users_srcu, index);

- intf->handlers->shutdown(intf->send_info); + if (intf->handlers->shutdown) + intf->handlers->shutdown(intf->send_info);

cleanup_smi_msgs(intf);

diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 90ec010bffbd..5faa917df1b6 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2083,18 +2083,9 @@ static int try_smi_init(struct smi_info *new_smi) si_to_str[new_smi->io.si_type]);

WARN_ON(new_smi->io.dev->init_name != NULL); - kfree(init_name); - - return 0; - -out_err: - if (new_smi->intf) { - ipmi_unregister_smi(new_smi->intf); - new_smi->intf = NULL; - }

+ out_err: kfree(init_name); - return rv; }

@@ -2227,6 +2218,8 @@ static void shutdown_smi(void *send_info)

kfree(smi_info->si_sm); smi_info->si_sm = NULL; + + smi_info->intf = NULL; }

/* @@ -2240,10 +2233,8 @@ static void cleanup_one_si(struct smi_info *smi_info)

list_del(&smi_info->link);

- if (smi_info->intf) { + if (smi_info->intf) ipmi_unregister_smi(smi_info->intf); - smi_info->intf = NULL; - }

if (smi_info->pdev) { if (smi_info->pdev_registered) diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 18e4650c233b..265d6a6583bc 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -181,6 +181,8 @@ struct ssif_addr_info { struct device *dev; struct i2c_client *client;

+ struct i2c_client *added_client; + struct mutex clients_mutex; struct list_head clients;

@@ -1214,18 +1216,11 @@ static void shutdown_ssif(void *send_info) complete(&ssif_info->wake_thread); kthread_stop(ssif_info->thread); } - - /* - * No message can be outstanding now, we have removed the - * upper layer and it permitted us to do so. - */ - kfree(ssif_info); }

static int ssif_remove(struct i2c_client *client) { struct ssif_info *ssif_info = i2c_get_clientdata(client); - struct ipmi_smi *intf; struct ssif_addr_info *addr_info;

if (!ssif_info) @@ -1235,9 +1230,7 @@ static int ssif_remove(struct i2c_client *client) * After this point, we won't deliver anything asychronously * to the message handler. We can unregister ourself. */ - intf = ssif_info->intf; - ssif_info->intf = NULL; - ipmi_unregister_smi(intf); + ipmi_unregister_smi(ssif_info->intf);

list_for_each_entry(addr_info, &ssif_infos, link) { if (addr_info->client == client) { @@ -1246,6 +1239,8 @@ static int ssif_remove(struct i2c_client *client) } }

+ kfree(ssif_info); + return 0; }

@@ -1648,15 +1643,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)

out: if (rv) { - /* - * Note that if addr_info->client is assigned, we - * leave it. The i2c client hangs around even if we - * return a failure here, and the failure here is not - * propagated back to the i2c code. This seems to be - * design intent, strange as it may be. But if we - * don't leave it, ssif_platform_remove will not remove - * the client like it should. - */ + addr_info->client = NULL; dev_err(&client->dev, "Unable to start IPMI SSIF: %d\n", rv); kfree(ssif_info); } @@ -1676,7 +1663,8 @@ static int ssif_adapter_handler(struct device *adev, void *opaque) if (adev->type != &i2c_adapter_type) return 0;

- i2c_new_device(to_i2c_adapter(adev), &addr_info->binfo); + addr_info->added_client = i2c_new_device(to_i2c_adapter(adev), + &addr_info->binfo);

if (!addr_info->adapter_name) return 1; /* Only try the first I2C adapter by default. */ @@ -1849,7 +1837,7 @@ static int ssif_platform_remove(struct platform_device *dev) return 0;

mutex_lock(&ssif_infos_mutex); - i2c_unregister_device(addr_info->client); + i2c_unregister_device(addr_info->added_client);

list_del(&addr_info->link); kfree(addr_info); diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index a5d402de5584..20724abd38bd 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -177,8 +177,15 @@ static struct clk *_of_fixed_factor_clk_setup(struct device_node *node)

clk = clk_register_fixed_factor(NULL, clk_name, parent_name, flags, mult, div); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + /* + * If parent clock is not registered, registration would fail. + * Clear OF_POPULATED flag so that clock registration can be + * attempted again from probe function. + */ + of_node_clear_flag(node, OF_POPULATED); return clk; + }

ret = of_clk_add_provider(node, of_clk_src_simple_get, clk); if (ret) { diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index e2ed078abd90..2d96e7966e94 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2933,6 +2933,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id, return clk; }

+/* keep in sync with __clk_put */ void __clk_free_clk(struct clk *clk) { clk_prepare_lock(); @@ -3312,6 +3313,7 @@ int __clk_get(struct clk *clk) return 1; }

+/* keep in sync with __clk_free_clk */ void __clk_put(struct clk *clk) { struct module *owner; @@ -3345,6 +3347,7 @@ void __clk_put(struct clk *clk)

module_put(owner);

+ kfree_const(clk->con_id); kfree(clk); }

diff --git a/drivers/clk/imx/clk-imx6sll.c b/drivers/clk/imx/clk-imx6sll.c index 3651c77fbabe..645d8a42007c 100644 --- a/drivers/clk/imx/clk-imx6sll.c +++ b/drivers/clk/imx/clk-imx6sll.c @@ -92,6 +92,7 @@ static void __init imx6sll_clocks_init(struct device_node *ccm_node)

np = of_find_compatible_node(NULL, NULL, "fsl,imx6sll-anatop"); base = of_iomap(np, 0); + of_node_put(np); WARN_ON(!base);

/* Do not bypass PLLs initially */ diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index ba563ba50b40..9f1a40498642 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -142,6 +142,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)

np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop"); base = of_iomap(np, 0); + of_node_put(np); WARN_ON(!base);

clks[IMX6UL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c index 44e4e27eddad..6f7637b19738 100644 --- a/drivers/clk/mvebu/armada-37xx-periph.c +++ b/drivers/clk/mvebu/armada-37xx-periph.c @@ -429,9 +429,6 @@ static u8 clk_pm_cpu_get_parent(struct clk_hw *hw) val &= pm_cpu->mask_mux; }

- if (val >= num_parents) - return -EINVAL; - return val; }

diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c index a896692b74ec..01dada561c10 100644 --- a/drivers/clk/tegra/clk-bpmp.c +++ b/drivers/clk/tegra/clk-bpmp.c @@ -586,9 +586,15 @@ static struct clk_hw *tegra_bpmp_clk_of_xlate(struct of_phandle_args *clkspec, unsigned int id = clkspec->args[0], i; struct tegra_bpmp *bpmp = data;

- for (i = 0; i < bpmp->num_clocks; i++) - if (bpmp->clocks[i]->id == id) - return &bpmp->clocks[i]->hw; + for (i = 0; i < bpmp->num_clocks; i++) { + struct tegra_bpmp_clk *clk = bpmp->clocks[i]; + + if (!clk) + continue; + + if (clk->id == id) + return &clk->hw; + }

return NULL; } diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index 051b8c6bae64..a9c85095bd56 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -38,6 +38,17 @@ static DEFINE_MUTEX(sev_cmd_mutex); static struct sev_misc_dev *misc_dev; static struct psp_device *psp_master;

+static int psp_cmd_timeout = 100; +module_param(psp_cmd_timeout, int, 0644); +MODULE_PARM_DESC(psp_cmd_timeout, " default timeout value, in seconds, for PSP commands"); + +static int psp_probe_timeout = 5; +module_param(psp_probe_timeout, int, 0644); +MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during PSP device probe"); + +static bool psp_dead; +static int psp_timeout; + static struct psp_device *psp_alloc_struct(struct sp_device *sp) { struct device *dev = sp->dev; @@ -82,10 +93,19 @@ static irqreturn_t psp_irq_handler(int irq, void *data) return IRQ_HANDLED; }

-static void sev_wait_cmd_ioc(struct psp_device *psp, unsigned int *reg) +static int sev_wait_cmd_ioc(struct psp_device *psp, + unsigned int *reg, unsigned int timeout) { - wait_event(psp->sev_int_queue, psp->sev_int_rcvd); + int ret; + + ret = wait_event_timeout(psp->sev_int_queue, + psp->sev_int_rcvd, timeout * HZ); + if (!ret) + return -ETIMEDOUT; + *reg = ioread32(psp->io_regs + PSP_CMDRESP); + + return 0; }

static int sev_cmd_buffer_len(int cmd) @@ -133,12 +153,15 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret) if (!psp) return -ENODEV;

+ if (psp_dead) + return -EBUSY; + /* Get the physical address of the command buffer */ phys_lsb = data ? lower_32_bits(__psp_pa(data)) : 0; phys_msb = data ? upper_32_bits(__psp_pa(data)) : 0;

- dev_dbg(psp->dev, "sev command id %#x buffer 0x%08x%08x\n", - cmd, phys_msb, phys_lsb); + dev_dbg(psp->dev, "sev command id %#x buffer 0x%08x%08x timeout %us\n", + cmd, phys_msb, phys_lsb, psp_timeout);

print_hex_dump_debug("(in): ", DUMP_PREFIX_OFFSET, 16, 2, data, sev_cmd_buffer_len(cmd), false); @@ -154,7 +177,18 @@ static int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret) iowrite32(reg, psp->io_regs + PSP_CMDRESP);

/* wait for command completion */ - sev_wait_cmd_ioc(psp, &reg); + ret = sev_wait_cmd_ioc(psp, &reg, psp_timeout); + if (ret) { + if (psp_ret) + *psp_ret = 0; + + dev_err(psp->dev, "sev command %#x timed out, disabling PSP \n", cmd); + psp_dead = true; + + return ret; + } + + psp_timeout = psp_cmd_timeout;

if (psp_ret) *psp_ret = reg & PSP_CMDRESP_ERR_MASK; @@ -886,6 +920,8 @@ void psp_pci_init(void)

psp_master = sp->psp_data;

+ psp_timeout = psp_probe_timeout; + if (sev_get_api_version()) goto err;

diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index 0f2245e1af2b..97d86dca7e85 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -1351,7 +1351,7 @@ static int sahara_register_algs(struct sahara_dev *dev)

err_sha_v3_algs: for (j = 0; j < k; j++) - crypto_unregister_ahash(&sha_v4_algs[j]); + crypto_unregister_ahash(&sha_v3_algs[j]);

err_aes_algs: for (j = 0; j < i; j++) @@ -1367,7 +1367,7 @@ static void sahara_unregister_algs(struct sahara_dev *dev) for (i = 0; i < ARRAY_SIZE(aes_algs); i++) crypto_unregister_alg(&aes_algs[i]);

- for (i = 0; i < ARRAY_SIZE(sha_v4_algs); i++) + for (i = 0; i < ARRAY_SIZE(sha_v3_algs); i++) crypto_unregister_ahash(&sha_v3_algs[i]);

if (dev->version > SAHARA_VERSION_3) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 0b5b3abe054e..e26adf67e218 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -625,7 +625,8 @@ struct devfreq *devfreq_add_device(struct device *dev, err = device_register(&devfreq->dev); if (err) { mutex_unlock(&devfreq->lock); - goto err_dev; + put_device(&devfreq->dev); + goto err_out; }

devfreq->trans_table = @@ -672,6 +673,7 @@ struct devfreq *devfreq_add_device(struct device *dev, mutex_unlock(&devfreq_list_lock);

device_unregister(&devfreq->dev); + devfreq = NULL; err_dev: if (devfreq) kfree(devfreq); diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index c6589ccf1b9a..d349fedf4ab2 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -899,6 +899,8 @@ static int mv_xor_v2_remove(struct platform_device *pdev)

platform_msi_domain_free_irqs(&pdev->dev);

+ tasklet_kill(&xor_dev->irq_tasklet); + clk_disable_unprepare(xor_dev->clk);

return 0; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index de0957fe9668..bb6dfa2e1e8a 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2257,13 +2257,14 @@ static int pl330_terminate_all(struct dma_chan *chan)

pm_runtime_get_sync(pl330->ddma.dev); spin_lock_irqsave(&pch->lock, flags); + spin_lock(&pl330->lock); _stop(pch->thread); - spin_unlock(&pl330->lock); - pch->thread->req[0].desc = NULL; pch->thread->req[1].desc = NULL; pch->thread->req_running = -1; + spin_unlock(&pl330->lock); + power_down = pch->active; pch->active = false;

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 2a2ccd9c78e4..8305a1ce8a9b 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -774,8 +774,9 @@ static void rcar_dmac_sync_tcr(struct rcar_dmac_chan *chan) /* make sure all remaining data was flushed */ rcar_dmac_chcr_de_barrier(chan);

- /* back DE */ - rcar_dmac_chan_write(chan, RCAR_DMACHCR, chcr); + /* back DE if remain data exists */ + if (rcar_dmac_chan_read(chan, RCAR_DMATCR)) + rcar_dmac_chan_write(chan, RCAR_DMACHCR, chcr); }

static void rcar_dmac_chan_halt(struct rcar_dmac_chan *chan) diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index b5214c143fee..388a929baf95 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -259,7 +259,6 @@ void __init efi_init(void)

reserve_regions(); efi_esrt_init(); - efi_memmap_unmap();

memblock_reserve(params.mmap & PAGE_MASK, PAGE_ALIGN(params.mmap_size + diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c index 5889cbea60b8..4712445c3213 100644 --- a/drivers/firmware/efi/arm-runtime.c +++ b/drivers/firmware/efi/arm-runtime.c @@ -110,11 +110,13 @@ static int __init arm_enable_runtime_services(void) { u64 mapsize;

- if (!efi_enabled(EFI_BOOT)) { + if (!efi_enabled(EFI_BOOT) || !efi_enabled(EFI_MEMMAP)) { pr_info("EFI services will not be available.\n"); return 0; }

+ efi_memmap_unmap(); + if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); return 0; diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c index 1ab80e06e7c5..e5d80ebd72b6 100644 --- a/drivers/firmware/efi/esrt.c +++ b/drivers/firmware/efi/esrt.c @@ -326,7 +326,8 @@ void __init efi_esrt_init(void)

end = esrt_data + size; pr_info("Reserving ESRT space from %pa to %pa.\n", &esrt_data, &end); - efi_mem_reserve(esrt_data, esrt_data_size); + if (md.type == EFI_BOOT_SERVICES_DATA) + efi_mem_reserve(esrt_data, esrt_data_size);

pr_debug("esrt-init: loaded.\n"); } diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 2e33fd552899..99070e2ac3cd 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -665,6 +665,8 @@ static int pxa_gpio_probe(struct platform_device *pdev) pchip->irq0 = irq0; pchip->irq1 = irq1; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; gpio_reg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!gpio_reg_base) diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 1a8e20363861..a7e49fef73d4 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -92,7 +92,7 @@ struct acpi_gpio_info { };

/* gpio suffixes used for ACPI and device tree lookup */ -static const char * const gpio_suffixes[] = { "gpios", "gpio" }; +static __maybe_unused const char * const gpio_suffixes[] = { "gpios", "gpio" };

#ifdef CONFIG_OF_GPIO struct gpio_desc *of_find_gpio(struct device *dev, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index c3744d89352c..ebe79bf00145 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -188,9 +188,9 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, *doorbell_off = kfd->doorbell_id_offset + inx;

pr_debug("Get kernel queue doorbell\n" - " doorbell offset == 0x%08X\n" - " kernel address == %p\n", - *doorbell_off, (kfd->doorbell_kernel_ptr + inx)); + " doorbell offset == 0x%08X\n" + " doorbell index == 0x%x\n", + *doorbell_off, inx);

return kfd->doorbell_kernel_ptr + inx; } @@ -199,7 +199,8 @@ void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr) { unsigned int inx;

- inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr); + inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr) + * sizeof(u32) / kfd->device_info->doorbell_size;

mutex_lock(&kfd->doorbell_mutex); __clear_bit(inx, kfd->doorbell_available_index); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 1d80b4f7c681..4694386cc623 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -244,6 +244,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *thread) return ERR_PTR(-EINVAL);

process = find_process(thread); + if (!process) + return ERR_PTR(-EINVAL);

return process; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 8a7890b03d97..6ccd59b87403 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -497,6 +497,10 @@ static bool detect_dp( sink_caps->signal = SIGNAL_TYPE_DISPLAY_PORT_MST; link->type = dc_connection_mst_branch;

+ dal_ddc_service_set_transaction_type( + link->ddc, + sink_caps->transaction_type); + /* * This call will initiate MST topology discovery. Which * will detect MST ports and add new DRM connector DRM diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index d567be49c31b..b487774d8041 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1020,7 +1020,7 @@ static int pp_get_display_power_level(void *handle, static int pp_get_current_clocks(void *handle, struct amd_pp_clock_info *clocks) { - struct amd_pp_simple_clock_info simple_clocks; + struct amd_pp_simple_clock_info simple_clocks = { 0 }; struct pp_clock_info hw_clocks; struct pp_hwmgr *hwmgr = handle; int ret = 0; @@ -1056,7 +1056,10 @@ static int pp_get_current_clocks(void *handle, clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk; clocks->min_engine_clock_in_sr = hw_clocks.min_eng_clk;

- clocks->max_clocks_state = simple_clocks.level; + if (simple_clocks.level == 0) + clocks->max_clocks_state = PP_DAL_POWERLEVEL_7; + else + clocks->max_clocks_state = simple_clocks.level;

if (0 == phm_get_current_shallow_sleep_clocks(hwmgr, &hwmgr->current_ps->hardware, &hw_clocks)) { clocks->max_engine_clock_in_sr = hw_clocks.max_eng_clk; @@ -1159,6 +1162,8 @@ static int pp_get_display_mode_validation_clocks(void *handle, if (!hwmgr || !hwmgr->pm_en ||!clocks) return -EINVAL;

+ clocks->level = PP_DAL_POWERLEVEL_7; + mutex_lock(&hwmgr->smu_lock);

if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_DynamicPatchPowerState)) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index f8e866ceda02..77779adeef28 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -4555,12 +4555,12 @@ static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) return -EINVAL; dep_sclk_table = table_info->vdd_dep_on_sclk; for (i = 0; i < dep_sclk_table->count; i++) - clocks->clock[i] = dep_sclk_table->entries[i].clk; + clocks->clock[i] = dep_sclk_table->entries[i].clk * 10; clocks->count = dep_sclk_table->count; } else if (hwmgr->pp_table_version == PP_TABLE_V0) { sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk; for (i = 0; i < sclk_table->count; i++) - clocks->clock[i] = sclk_table->entries[i].clk; + clocks->clock[i] = sclk_table->entries[i].clk * 10; clocks->count = sclk_table->count; }

@@ -4592,7 +4592,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) return -EINVAL; dep_mclk_table = table_info->vdd_dep_on_mclk; for (i = 0; i < dep_mclk_table->count; i++) { - clocks->clock[i] = dep_mclk_table->entries[i].clk; + clocks->clock[i] = dep_mclk_table->entries[i].clk * 10; clocks->latency[i] = smu7_get_mem_latency(hwmgr, dep_mclk_table->entries[i].clk); } @@ -4600,7 +4600,7 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) } else if (hwmgr->pp_table_version == PP_TABLE_V0) { mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk; for (i = 0; i < mclk_table->count; i++) - clocks->clock[i] = mclk_table->entries[i].clk; + clocks->clock[i] = mclk_table->entries[i].clk * 10; clocks->count = mclk_table->count; } return 0; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c index 617557bd8c24..0adfc5392cd3 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c @@ -1605,17 +1605,17 @@ static int smu8_get_clock_by_type(struct pp_hwmgr *hwmgr, enum amd_pp_clock_type switch (type) { case amd_pp_disp_clock: for (i = 0; i < clocks->count; i++) - clocks->clock[i] = data->sys_info.display_clock[i]; + clocks->clock[i] = data->sys_info.display_clock[i] * 10; break; case amd_pp_sys_clock: table = hwmgr->dyn_state.vddc_dependency_on_sclk; for (i = 0; i < clocks->count; i++) - clocks->clock[i] = table->entries[i].clk; + clocks->clock[i] = table->entries[i].clk * 10; break; case amd_pp_mem_clock: clocks->count = SMU8_NUM_NBPMEMORYCLOCK; for (i = 0; i < clocks->count; i++) - clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i]; + clocks->clock[i] = data->sys_info.nbp_memory_clock[clocks->count - 1 - i] * 10; break; default: return -1; diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 963a4dba8213..9109b69cd052 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -160,7 +160,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf, args.ustate = value; }

+ ret = pm_runtime_get_sync(drm->dev); + if (IS_ERR_VALUE(ret) && ret != -EACCES) + return ret; ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args)); + pm_runtime_put_autosuspend(drm->dev); if (ret < 0) return ret;

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index f5d3158f0378..c7ec86d6c3c9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -908,8 +908,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) get_task_comm(tmpname, current); snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));

- if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) - return ret; + if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL))) { + ret = -ENOMEM; + goto done; + }

ret = nouveau_cli_init(drm, name, cli); if (ret) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 78597da6313a..0e372a190d3f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -23,6 +23,10 @@ #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER #include "priv.h"

+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU) +#include <asm/dma-iommu.h> +#endif + static int nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) { @@ -105,6 +109,15 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev) unsigned long pgsize_bitmap; int ret;

+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU) + if (dev->archdata.mapping) { + struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); + + arm_iommu_detach_device(dev); + arm_iommu_release_mapping(mapping); + } +#endif + if (!tdev->func->iommu_bit) return;

diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c index a188a3959f1a..6ad827b93ae1 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c @@ -823,7 +823,7 @@ static void s6e8aa0_read_mtp_id(struct s6e8aa0 *ctx) int ret, i;

ret = s6e8aa0_dcs_read(ctx, 0xd1, id, ARRAY_SIZE(id)); - if (ret < ARRAY_SIZE(id) || id[0] == 0x00) { + if (ret < 0 || ret < ARRAY_SIZE(id) || id[0] == 0x00) { dev_err(ctx->dev, "read id failed\n"); ctx->error = -EIO; return; diff --git a/drivers/gpu/ipu-v3/ipu-csi.c b/drivers/gpu/ipu-v3/ipu-csi.c index 5450a2db1219..2beadb3f79c2 100644 --- a/drivers/gpu/ipu-v3/ipu-csi.c +++ b/drivers/gpu/ipu-v3/ipu-csi.c @@ -318,13 +318,17 @@ static int mbus_code_to_bus_cfg(struct ipu_csi_bus_config *cfg, u32 mbus_code) /* * Fill a CSI bus config struct from mbus_config and mbus_framefmt. */ -static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, +static int fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, struct v4l2_mbus_config *mbus_cfg, struct v4l2_mbus_framefmt *mbus_fmt) { + int ret; + memset(csicfg, 0, sizeof(*csicfg));

- mbus_code_to_bus_cfg(csicfg, mbus_fmt->code); + ret = mbus_code_to_bus_cfg(csicfg, mbus_fmt->code); + if (ret < 0) + return ret;

switch (mbus_cfg->type) { case V4L2_MBUS_PARALLEL: @@ -356,6 +360,8 @@ static void fill_csi_bus_cfg(struct ipu_csi_bus_config *csicfg, /* will never get here, keep compiler quiet */ break; } + + return 0; }

int ipu_csi_init_interface(struct ipu_csi *csi, @@ -365,8 +371,11 @@ int ipu_csi_init_interface(struct ipu_csi *csi, struct ipu_csi_bus_config cfg; unsigned long flags; u32 width, height, data = 0; + int ret;

- fill_csi_bus_cfg(&cfg, mbus_cfg, mbus_fmt); + ret = fill_csi_bus_cfg(&cfg, mbus_cfg, mbus_fmt); + if (ret < 0) + return ret;

/* set default sensor frame width and height */ width = mbus_fmt->width; @@ -587,11 +596,14 @@ int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc, struct ipu_csi_bus_config cfg; unsigned long flags; u32 temp; + int ret;

if (vc > 3) return -EINVAL;

- mbus_code_to_bus_cfg(&cfg, mbus_fmt->code); + ret = mbus_code_to_bus_cfg(&cfg, mbus_fmt->code); + if (ret < 0) + return ret;

spin_lock_irqsave(&csi->lock, flags);

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index b10fe26c4891..c9a466be7709 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1178,6 +1178,9 @@ static ssize_t vmbus_chan_attr_show(struct kobject *kobj, if (!attribute->show) return -EIO;

+ if (chan->state != CHANNEL_OPENED_STATE) + return -EINVAL; + return attribute->show(chan, buf); }

diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 9bc04c50d45b..1d94ebec027b 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -1027,7 +1027,8 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) }

pm_runtime_put(&adev->dev); - dev_info(dev, "%s initialized\n", (char *)id->data); + dev_info(dev, "CPU%d: ETM v%d.%d initialized\n", + drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf);

if (boot_enable) { coresight_enable(drvdata->csdev); @@ -1045,23 +1046,19 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) return ret; }

+#define ETM4x_AMBA_ID(pid) \ + { \ + .id = pid, \ + .mask = 0x000fffff, \ + } + static const struct amba_id etm4_ids[] = { - { /* ETM 4.0 - Cortex-A53 */ - .id = 0x000bb95d, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { /* ETM 4.0 - Cortex-A57 */ - .id = 0x000bb95e, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { /* ETM 4.0 - A72, Maia, HiSilicon */ - .id = 0x000bb95a, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { 0, 0}, + ETM4x_AMBA_ID(0x000bb95d), /* Cortex-A53 */ + ETM4x_AMBA_ID(0x000bb95e), /* Cortex-A57 */ + ETM4x_AMBA_ID(0x000bb95a), /* Cortex-A72 */ + ETM4x_AMBA_ID(0x000bb959), /* Cortex-A73 */ + ETM4x_AMBA_ID(0x000bb9da), /* Cortex-A35 */ + {}, };

static struct amba_driver etm4x_driver = { diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c index 01b7457fe8fc..459ef930d98c 100644 --- a/drivers/hwtracing/coresight/coresight-tpiu.c +++ b/drivers/hwtracing/coresight/coresight-tpiu.c @@ -40,8 +40,9 @@

/** register definition **/ /* FFSR - 0x300 */ -#define FFSR_FT_STOPPED BIT(1) +#define FFSR_FT_STOPPED_BIT 1 /* FFCR - 0x304 */ +#define FFCR_FON_MAN_BIT 6 #define FFCR_FON_MAN BIT(6) #define FFCR_STOP_FI BIT(12)

@@ -86,9 +87,9 @@ static void tpiu_disable_hw(struct tpiu_drvdata *drvdata) /* Generate manual flush */ writel_relaxed(FFCR_STOP_FI | FFCR_FON_MAN, drvdata->base + TPIU_FFCR); /* Wait for flush to complete */ - coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN, 0); + coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN_BIT, 0); /* Wait for formatter to stop */ - coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED, 1); + coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);

CS_LOCK(drvdata->base); } diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index 29e834aab539..b673718952f6 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -108,7 +108,7 @@ static int coresight_find_link_inport(struct coresight_device *csdev, dev_err(&csdev->dev, "couldn't find inport, parent: %s, child: %s\n", dev_name(&parent->dev), dev_name(&csdev->dev));

- return 0; + return -ENODEV; }

static int coresight_find_link_outport(struct coresight_device *csdev, @@ -126,7 +126,7 @@ static int coresight_find_link_outport(struct coresight_device *csdev, dev_err(&csdev->dev, "couldn't find outport, parent: %s, child: %s\n", dev_name(&csdev->dev), dev_name(&child->dev));

- return 0; + return -ENODEV; }

static int coresight_enable_sink(struct coresight_device *csdev, u32 mode) @@ -179,6 +179,9 @@ static int coresight_enable_link(struct coresight_device *csdev, else refport = 0;

+ if (refport < 0) + return refport; + if (atomic_inc_return(&csdev->refcnt[refport]) == 1) { if (link_ops(csdev)->enable) { ret = link_ops(csdev)->enable(csdev, inport, outport); diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 715b6fdb4989..5c8ea4e9203c 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -111,22 +111,22 @@ #define ASPEED_I2CD_DEV_ADDR_MASK GENMASK(6, 0)

enum aspeed_i2c_master_state { + ASPEED_I2C_MASTER_INACTIVE, ASPEED_I2C_MASTER_START, ASPEED_I2C_MASTER_TX_FIRST, ASPEED_I2C_MASTER_TX, ASPEED_I2C_MASTER_RX_FIRST, ASPEED_I2C_MASTER_RX, ASPEED_I2C_MASTER_STOP, - ASPEED_I2C_MASTER_INACTIVE, };

enum aspeed_i2c_slave_state { + ASPEED_I2C_SLAVE_STOP, ASPEED_I2C_SLAVE_START, ASPEED_I2C_SLAVE_READ_REQUESTED, ASPEED_I2C_SLAVE_READ_PROCESSED, ASPEED_I2C_SLAVE_WRITE_REQUESTED, ASPEED_I2C_SLAVE_WRITE_RECEIVED, - ASPEED_I2C_SLAVE_STOP, };

struct aspeed_i2c_bus { diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index dafcb6f019b3..2702ead01a03 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -722,6 +722,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) dgid = (union ib_gid *) &addr->sib_addr; pkey = ntohs(addr->sib_pkey);

+ mutex_lock(&lock); list_for_each_entry(cur_dev, &dev_list, list) { for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) { if (!rdma_cap_af_ib(cur_dev->device, p)) @@ -748,18 +749,19 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) cma_dev = cur_dev; sgid = gid; id_priv->id.port_num = p; + goto found; } } } } - - if (!cma_dev) - return -ENODEV; + mutex_unlock(&lock); + return -ENODEV;

found: cma_attach_to_dev(id_priv, cma_dev); - addr = (struct sockaddr_ib *) cma_src_addr(id_priv); - memcpy(&addr->sib_addr, &sgid, sizeof sgid); + mutex_unlock(&lock); + addr = (struct sockaddr_ib *)cma_src_addr(id_priv); + memcpy(&addr->sib_addr, &sgid, sizeof(sgid)); cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr); return 0; } diff --git a/drivers/infiniband/hw/mlx5/cong.c b/drivers/infiniband/hw/mlx5/cong.c index 985fa2637390..7e4e358a4fd8 100644 --- a/drivers/infiniband/hw/mlx5/cong.c +++ b/drivers/infiniband/hw/mlx5/cong.c @@ -359,9 +359,6 @@ static ssize_t get_param(struct file *filp, char __user *buf, size_t count, int ret; char lbuf[11];

- if (*pos) - return 0; - ret = mlx5_ib_get_cc_params(param->dev, param->port_num, offset, &var); if (ret) return ret; @@ -370,11 +367,7 @@ static ssize_t get_param(struct file *filp, char __user *buf, size_t count, if (ret < 0) return ret;

- if (copy_to_user(buf, lbuf, ret)) - return -EFAULT; - - *pos += ret; - return ret; + return simple_read_from_buffer(buf, count, pos, lbuf, ret); }

static const struct file_operations dbg_cc_fops = { diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 90a9c461cedc..308456d28afb 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -271,16 +271,16 @@ static ssize_t size_write(struct file *filp, const char __user *buf, { struct mlx5_cache_ent *ent = filp->private_data; struct mlx5_ib_dev *dev = ent->dev; - char lbuf[20]; + char lbuf[20] = {0}; u32 var; int err; int c;

- if (copy_from_user(lbuf, buf, sizeof(lbuf))) + count = min(count, sizeof(lbuf) - 1); + if (copy_from_user(lbuf, buf, count)) return -EFAULT;

c = order2idx(dev, ent->order); - lbuf[sizeof(lbuf) - 1] = 0;

if (sscanf(lbuf, "%u", &var) != 1) return -EINVAL; @@ -310,19 +310,11 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count, char lbuf[20]; int err;

- if (*pos) - return 0; - err = snprintf(lbuf, sizeof(lbuf), "%d\n", ent->size); if (err < 0) return err;

- if (copy_to_user(buf, lbuf, err)) - return -EFAULT; - - *pos += err; - - return err; + return simple_read_from_buffer(buf, count, pos, lbuf, err); }

static const struct file_operations size_fops = { @@ -337,16 +329,16 @@ static ssize_t limit_write(struct file *filp, const char __user *buf, { struct mlx5_cache_ent *ent = filp->private_data; struct mlx5_ib_dev *dev = ent->dev; - char lbuf[20]; + char lbuf[20] = {0}; u32 var; int err; int c;

- if (copy_from_user(lbuf, buf, sizeof(lbuf))) + count = min(count, sizeof(lbuf) - 1); + if (copy_from_user(lbuf, buf, count)) return -EFAULT;

c = order2idx(dev, ent->order); - lbuf[sizeof(lbuf) - 1] = 0;

if (sscanf(lbuf, "%u", &var) != 1) return -EINVAL; @@ -372,19 +364,11 @@ static ssize_t limit_read(struct file *filp, char __user *buf, size_t count, char lbuf[20]; int err;

- if (*pos) - return 0; - err = snprintf(lbuf, sizeof(lbuf), "%d\n", ent->limit); if (err < 0) return err;

- if (copy_to_user(buf, lbuf, err)) - return -EFAULT; - - *pos += err; - - return err; + return simple_read_from_buffer(buf, count, pos, lbuf, err); }

static const struct file_operations limit_fops = { diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index dfba44a40f0b..fe45d6cad6cd 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -225,9 +225,14 @@ static int hdr_check(struct rxe_pkt_info *pkt) goto err1; }

+ if (unlikely(qpn == 0)) { + pr_warn_once("QP 0 not supported"); + goto err1; + } + if (qpn != IB_MULTICAST_QPN) { - index = (qpn == 0) ? port->qp_smi_index : - ((qpn == 1) ? port->qp_gsi_index : qpn); + index = (qpn == 1) ? port->qp_gsi_index : qpn; + qp = rxe_pool_get_index(&rxe->qp_pool, index); if (unlikely(!qp)) { pr_warn_ratelimited("no qp matches qpn 0x%x\n", qpn); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 6535d9beb24d..a620701f9d41 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1028,12 +1028,14 @@ static int ipoib_cm_rep_handler(struct ib_cm_id *cm_id, struct ib_cm_event *even

skb_queue_head_init(&skqueue);

+ netif_tx_lock_bh(p->dev); spin_lock_irq(&priv->lock); set_bit(IPOIB_FLAG_OPER_UP, &p->flags); if (p->neigh) while ((skb = __skb_dequeue(&p->neigh->queue))) __skb_queue_tail(&skqueue, skb); spin_unlock_irq(&priv->lock); + netif_tx_unlock_bh(p->dev);

while ((skb = __skb_dequeue(&skqueue))) { skb->dev = p->dev; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 26cde95bc0f3..7630d5ed2b41 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1787,7 +1787,8 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) goto out_free_pd; }

- if (ipoib_neigh_hash_init(priv) < 0) { + ret = ipoib_neigh_hash_init(priv); + if (ret) { pr_warn("%s failed to init neigh hash\n", dev->name); goto out_dev_uninit; } diff --git a/drivers/input/joystick/pxrc.c b/drivers/input/joystick/pxrc.c index 07a0dbd3ced2..cfb410cf0789 100644 --- a/drivers/input/joystick/pxrc.c +++ b/drivers/input/joystick/pxrc.c @@ -120,48 +120,51 @@ static void pxrc_close(struct input_dev *input) mutex_unlock(&pxrc->pm_mutex); }

+static void pxrc_free_urb(void *_pxrc) +{ + struct pxrc *pxrc = _pxrc; + + usb_free_urb(pxrc->urb); +} + static int pxrc_usb_init(struct pxrc *pxrc) { struct usb_endpoint_descriptor *epirq; unsigned int pipe; - int retval; + int error;

/* Set up the endpoint information */ /* This device only has an interrupt endpoint */ - retval = usb_find_common_endpoints(pxrc->intf->cur_altsetting, - NULL, NULL, &epirq, NULL); - if (retval) { - dev_err(&pxrc->intf->dev, - "Could not find endpoint\n"); - goto error; + error = usb_find_common_endpoints(pxrc->intf->cur_altsetting, + NULL, NULL, &epirq, NULL); + if (error) { + dev_err(&pxrc->intf->dev, "Could not find endpoint\n"); + return error; }

pxrc->bsize = usb_endpoint_maxp(epirq); pxrc->epaddr = epirq->bEndpointAddress; pxrc->data = devm_kmalloc(&pxrc->intf->dev, pxrc->bsize, GFP_KERNEL); - if (!pxrc->data) { - retval = -ENOMEM; - goto error; - } + if (!pxrc->data) + return -ENOMEM;

usb_set_intfdata(pxrc->intf, pxrc); usb_make_path(pxrc->udev, pxrc->phys, sizeof(pxrc->phys)); strlcat(pxrc->phys, "/input0", sizeof(pxrc->phys));

pxrc->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pxrc->urb) { - retval = -ENOMEM; - goto error; - } + if (!pxrc->urb) + return -ENOMEM; + + error = devm_add_action_or_reset(&pxrc->intf->dev, pxrc_free_urb, pxrc); + if (error) + return error;

pipe = usb_rcvintpipe(pxrc->udev, pxrc->epaddr), usb_fill_int_urb(pxrc->urb, pxrc->udev, pipe, pxrc->data, pxrc->bsize, pxrc_usb_irq, pxrc, 1);

-error: - return retval; - - + return 0; }

static int pxrc_input_init(struct pxrc *pxrc) @@ -197,7 +200,7 @@ static int pxrc_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct pxrc *pxrc; - int retval; + int error;

pxrc = devm_kzalloc(&intf->dev, sizeof(*pxrc), GFP_KERNEL); if (!pxrc) @@ -207,29 +210,20 @@ static int pxrc_probe(struct usb_interface *intf, pxrc->udev = usb_get_dev(interface_to_usbdev(intf)); pxrc->intf = intf;

- retval = pxrc_usb_init(pxrc); - if (retval) - goto error; + error = pxrc_usb_init(pxrc); + if (error) + return error;

- retval = pxrc_input_init(pxrc); - if (retval) - goto err_free_urb; + error = pxrc_input_init(pxrc); + if (error) + return error;

return 0; - -err_free_urb: - usb_free_urb(pxrc->urb); - -error: - return retval; }

static void pxrc_disconnect(struct usb_interface *intf) { - struct pxrc *pxrc = usb_get_intfdata(intf); - - usb_free_urb(pxrc->urb); - usb_set_intfdata(intf, NULL); + /* All driver resources are devm-managed. */ }

static int pxrc_suspend(struct usb_interface *intf, pm_message_t message) diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c index bda0500c9b57..714affdd742f 100644 --- a/drivers/input/touchscreen/rohm_bu21023.c +++ b/drivers/input/touchscreen/rohm_bu21023.c @@ -304,7 +304,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf, msg[1].len = len; msg[1].buf = buf;

- i2c_lock_adapter(adap); + i2c_lock_bus(adap, I2C_LOCK_SEGMENT);

for (i = 0; i < 2; i++) { if (__i2c_transfer(adap, &msg[i], 1) < 0) { @@ -313,7 +313,7 @@ static int rohm_i2c_burst_read(struct i2c_client *client, u8 start, void *buf, } }

- i2c_unlock_adapter(adap); + i2c_unlock_bus(adap, I2C_LOCK_SEGMENT);

return ret; } diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index b73c6a7bf7f2..b7076aa24d6b 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1302,6 +1302,7 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void *dev)

/* Sync our overflow flag, as we believe we're up to speed */ q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons); + writel(q->cons, q->cons_reg); return IRQ_HANDLED; }

diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 50e3a9fcf43e..b5948ba6b3b3 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -192,6 +192,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, { struct io_pgtable_cfg *cfg = &data->iop.cfg; struct device *dev = cfg->iommu_dev; + phys_addr_t phys; dma_addr_t dma; size_t size = ARM_V7S_TABLE_SIZE(lvl); void *table = NULL; @@ -200,6 +201,10 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, table = (void *)__get_dma_pages(__GFP_ZERO, get_order(size)); else if (lvl == 2) table = kmem_cache_zalloc(data->l2_tables, gfp | GFP_DMA); + phys = virt_to_phys(table); + if (phys != (arm_v7s_iopte)phys) + /* Doesn't fit in PTE */ + goto out_free; if (table && !(cfg->quirks & IO_PGTABLE_QUIRK_NO_DMA)) { dma = dma_map_single(dev, table, size, DMA_TO_DEVICE); if (dma_mapping_error(dev, dma)) @@ -209,7 +214,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, * address directly, so if the DMA layer suggests otherwise by * translating or truncating them, that bodes very badly... */ - if (dma != virt_to_phys(table)) + if (dma != phys) goto out_unmap; } kmemleak_ignore(table); diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 010a254305dd..88641b4560bc 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -237,7 +237,8 @@ static void *__arm_lpae_alloc_pages(size_t size, gfp_t gfp, void *pages;

VM_BUG_ON((gfp & __GFP_HIGHMEM)); - p = alloc_pages_node(dev_to_node(dev), gfp | __GFP_ZERO, order); + p = alloc_pages_node(dev ? dev_to_node(dev) : NUMA_NO_NODE, + gfp | __GFP_ZERO, order); if (!p) return NULL;

diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index feb1664815b7..6e2882cda55d 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -47,6 +47,7 @@ struct ipmmu_features { unsigned int number_of_contexts; bool setup_imbuscr; bool twobit_imttbcr_sl0; + bool reserved_context; };

struct ipmmu_vmsa_device { @@ -916,6 +917,7 @@ static const struct ipmmu_features ipmmu_features_default = { .number_of_contexts = 1, /* software only tested with one context */ .setup_imbuscr = true, .twobit_imttbcr_sl0 = false, + .reserved_context = false, };

static const struct ipmmu_features ipmmu_features_r8a7795 = { @@ -924,6 +926,7 @@ static const struct ipmmu_features ipmmu_features_r8a7795 = { .number_of_contexts = 8, .setup_imbuscr = false, .twobit_imttbcr_sl0 = true, + .reserved_context = true, };

static const struct of_device_id ipmmu_of_ids[] = { @@ -1017,6 +1020,11 @@ static int ipmmu_probe(struct platform_device *pdev) }

ipmmu_device_reset(mmu); + + if (mmu->features->reserved_context) { + dev_info(&pdev->dev, "IPMMU context 0 is reserved\n"); + set_bit(0, mmu->ctx); + } }

/* diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index b57f764d6a16..93ebba6dcc25 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -716,10 +716,11 @@ static int pblk_setup_line_meta_12(struct pblk *pblk, struct pblk_line *line,

/* * In 1.2 spec. chunk state is not persisted by the device. Thus - * some of the values are reset each time pblk is instantiated. + * some of the values are reset each time pblk is instantiated, + * so we have to assume that the block is closed. */ if (lun_bb_meta[line->id] == NVM_BLK_T_FREE) - chunk->state = NVM_CHK_ST_FREE; + chunk->state = NVM_CHK_ST_CLOSED; else chunk->state = NVM_CHK_ST_OFFLINE;

diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index 3a5069183859..d83466b3821b 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -742,9 +742,10 @@ static int pblk_recov_check_line_version(struct pblk *pblk, return 1; }

-#ifdef NVM_DEBUG +#ifdef CONFIG_NVM_PBLK_DEBUG if (header->version_minor > EMETA_VERSION_MINOR) - pr_info("pblk: newer line minor version found: %d\n", line_v); + pr_info("pblk: newer line minor version found: %d\n", + header->version_minor); #endif

return 0; diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 12decdbd722d..fc65f0dedf7f 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -99,10 +99,26 @@ static int verity_hash_update(struct dm_verity *v, struct ahash_request *req, { struct scatterlist sg;

- sg_init_one(&sg, data, len); - ahash_request_set_crypt(req, &sg, NULL, len); - - return crypto_wait_req(crypto_ahash_update(req), wait); + if (likely(!is_vmalloc_addr(data))) { + sg_init_one(&sg, data, len); + ahash_request_set_crypt(req, &sg, NULL, len); + return crypto_wait_req(crypto_ahash_update(req), wait); + } else { + do { + int r; + size_t this_step = min_t(size_t, len, PAGE_SIZE - offset_in_page(data)); + flush_kernel_vmap_range((void *)data, this_step); + sg_init_table(&sg, 1); + sg_set_page(&sg, vmalloc_to_page(data), this_step, offset_in_page(data)); + ahash_request_set_crypt(req, &sg, NULL, this_step); + r = crypto_wait_req(crypto_ahash_update(req), wait); + if (unlikely(r)) + return r; + data += this_step; + len -= this_step; + } while (len); + return 0; + } }

/* diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index f32ec7342ef0..5653e8eebe2b 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -1377,6 +1377,11 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb) struct vb2_buffer *vb; int ret;

+ if (q->error) { + dprintk(1, "fatal error occurred on queue\n"); + return -EIO; + } + vb = q->bufs[index];

switch (vb->state) { diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index b3f762578f7f..1722cdab0daf 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -510,8 +510,8 @@ static const struct reg_value ov5645_setting_full[] = { };

static const s64 link_freq[] = { - 222880000, - 334320000 + 224000000, + 336000000 };

static const struct ov5645_mode_info ov5645_mode_info_data[] = { @@ -520,7 +520,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = { .height = 960, .data = ov5645_setting_sxga, .data_size = ARRAY_SIZE(ov5645_setting_sxga), - .pixel_clock = 111440000, + .pixel_clock = 112000000, .link_freq = 0 /* an index in link_freq[] */ }, { @@ -528,7 +528,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = { .height = 1080, .data = ov5645_setting_1080p, .data_size = ARRAY_SIZE(ov5645_setting_1080p), - .pixel_clock = 167160000, + .pixel_clock = 168000000, .link_freq = 1 /* an index in link_freq[] */ }, { @@ -536,7 +536,7 @@ static const struct ov5645_mode_info ov5645_mode_info_data[] = { .height = 1944, .data = ov5645_setting_full, .data_size = ARRAY_SIZE(ov5645_setting_full), - .pixel_clock = 167160000, + .pixel_clock = 168000000, .link_freq = 1 /* an index in link_freq[] */ }, }; @@ -1145,7 +1145,8 @@ static int ov5645_probe(struct i2c_client *client, return ret; }

- if (xclk_freq != 23880000) { + /* external clock must be 24MHz, allow 1% tolerance */ + if (xclk_freq < 23760000 || xclk_freq > 24240000) { dev_err(dev, "external clock frequency %u is not supported\n", xclk_freq); return -EINVAL; diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c index 0ea8dd44026c..3a06c000f97b 100644 --- a/drivers/media/pci/tw686x/tw686x-video.c +++ b/drivers/media/pci/tw686x/tw686x-video.c @@ -1190,6 +1190,14 @@ int tw686x_video_init(struct tw686x_dev *dev) return err; }

+ /* Initialize vc->dev and vc->ch for the error path */ + for (ch = 0; ch < max_channels(dev); ch++) { + struct tw686x_video_channel *vc = &dev->video_channels[ch]; + + vc->dev = dev; + vc->ch = ch; + } + for (ch = 0; ch < max_channels(dev); ch++) { struct tw686x_video_channel *vc = &dev->video_channels[ch]; struct video_device *vdev; @@ -1198,9 +1206,6 @@ int tw686x_video_init(struct tw686x_dev *dev) spin_lock_init(&vc->qlock); INIT_LIST_HEAD(&vc->vidq_queued);

- vc->dev = dev; - vc->ch = ch; - /* default settings */ err = tw686x_set_standard(vc, V4L2_STD_NTSC); if (err) diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c index 84e313107233..7b9052ea7413 100644 --- a/drivers/mfd/88pm860x-i2c.c +++ b/drivers/mfd/88pm860x-i2c.c @@ -146,14 +146,14 @@ int pm860x_page_reg_write(struct i2c_client *i2c, int reg, unsigned char zero; int ret;

- i2c_lock_adapter(i2c->adapter); + i2c_lock_bus(i2c->adapter, I2C_LOCK_SEGMENT); read_device(i2c, 0xFA, 0, &zero); read_device(i2c, 0xFB, 0, &zero); read_device(i2c, 0xFF, 0, &zero); ret = write_device(i2c, reg, 1, &data); read_device(i2c, 0xFE, 0, &zero); read_device(i2c, 0xFC, 0, &zero); - i2c_unlock_adapter(i2c->adapter); + i2c_unlock_bus(i2c->adapter, I2C_LOCK_SEGMENT); return ret; } EXPORT_SYMBOL(pm860x_page_reg_write); @@ -164,14 +164,14 @@ int pm860x_page_bulk_read(struct i2c_client *i2c, int reg, unsigned char zero = 0; int ret;

- i2c_lock_adapter(i2c->adapter); + i2c_lock_bus(i2c->adapter, I2C_LOCK_SEGMENT); read_device(i2c, 0xfa, 0, &zero); read_device(i2c, 0xfb, 0, &zero); read_device(i2c, 0xff, 0, &zero); ret = read_device(i2c, reg, count, buf); read_device(i2c, 0xFE, 0, &zero); read_device(i2c, 0xFC, 0, &zero); - i2c_unlock_adapter(i2c->adapter); + i2c_unlock_bus(i2c->adapter, I2C_LOCK_SEGMENT); return ret; } EXPORT_SYMBOL(pm860x_page_bulk_read); diff --git a/drivers/misc/hmc6352.c b/drivers/misc/hmc6352.c index eeb7eef62174..38f90e179927 100644 --- a/drivers/misc/hmc6352.c +++ b/drivers/misc/hmc6352.c @@ -27,6 +27,7 @@ #include <linux/err.h> #include <linux/delay.h> #include <linux/sysfs.h> +#include <linux/nospec.h>

static DEFINE_MUTEX(compass_mutex);

@@ -50,6 +51,7 @@ static int compass_store(struct device *dev, const char *buf, size_t count, return ret; if (val >= strlen(map)) return -EINVAL; + val = array_index_nospec(val, strlen(map)); mutex_lock(&compass_mutex); ret = compass_command(c, map[val]); mutex_unlock(&compass_mutex); diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c index fb83d1375638..50d82c3d032a 100644 --- a/drivers/misc/ibmvmc.c +++ b/drivers/misc/ibmvmc.c @@ -2131,7 +2131,7 @@ static int ibmvmc_init_crq_queue(struct crq_server_adapter *adapter) retrc = plpar_hcall_norets(H_REG_CRQ, vdev->unit_address, queue->msg_token, PAGE_SIZE); - retrc = rc; + rc = retrc;

if (rc == H_RESOURCE) rc = ibmvmc_reset_crq_queue(adapter); diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 0208c4b027c5..fa0236a5e59a 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -267,7 +267,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,

ret = 0; bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length, 0); - if (bytes_recv < if_version_length) { + if (bytes_recv < 0 || bytes_recv < if_version_length) { dev_err(bus->dev, "Could not read IF version\n"); ret = -EIO; goto err; diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index b1133739fb4b..692b2f9a18cb 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -505,17 +505,15 @@ int mei_cldev_enable(struct mei_cl_device *cldev)

cl = cldev->cl;

+ mutex_lock(&bus->device_lock); if (cl->state == MEI_FILE_UNINITIALIZED) { - mutex_lock(&bus->device_lock); ret = mei_cl_link(cl); - mutex_unlock(&bus->device_lock); if (ret) - return ret; + goto out; /* update pointers */ cl->cldev = cldev; }

- mutex_lock(&bus->device_lock); if (mei_cl_is_connected(cl)) { ret = 0; goto out; @@ -600,9 +598,8 @@ int mei_cldev_disable(struct mei_cl_device *cldev) if (err < 0) dev_err(bus->dev, "Could not disconnect from the ME client\n");

-out: mei_cl_bus_module_put(cldev); - +out: /* Flush queues and remove any pending read */ mei_cl_flush_queues(cl, NULL); mei_cl_unlink(cl); @@ -860,12 +857,13 @@ static void mei_cl_bus_dev_release(struct device *dev)

mei_me_cl_put(cldev->me_cl); mei_dev_bus_put(cldev->bus); + mei_cl_unlink(cldev->cl); kfree(cldev->cl); kfree(cldev); }

static const struct device_type mei_cl_device_type = { - .release = mei_cl_bus_dev_release, + .release = mei_cl_bus_dev_release, };

/** diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index fe6595fe94f1..995ff1b7e7b5 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -1140,15 +1140,18 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)

props_res = (struct hbm_props_response *)mei_msg;

- if (props_res->status) { + if (props_res->status == MEI_HBMS_CLIENT_NOT_FOUND) { + dev_dbg(dev->dev, "hbm: properties response: %d CLIENT_NOT_FOUND\n", + props_res->me_addr); + } else if (props_res->status) { dev_err(dev->dev, "hbm: properties response: wrong status = %d %s\n", props_res->status, mei_hbm_status_str(props_res->status)); return -EPROTO; + } else { + mei_hbm_me_cl_add(dev, props_res); }

- mei_hbm_me_cl_add(dev, props_res); - /* request property for the next client */ if (mei_hbm_prop_req(dev, props_res->me_addr + 1)) return -EIO; diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 09cb89645d06..2cfec33178c1 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -517,19 +517,23 @@ static struct mmc_host_ops meson_mx_mmc_ops = { static struct platform_device *meson_mx_mmc_slot_pdev(struct device *parent) { struct device_node *slot_node; + struct platform_device *pdev;

/* * TODO: the MMC core framework currently does not support * controllers with multiple slots properly. So we only register * the first slot for now */ - slot_node = of_find_compatible_node(parent->of_node, NULL, "mmc-slot"); + slot_node = of_get_compatible_child(parent->of_node, "mmc-slot"); if (!slot_node) { dev_warn(parent, "no 'mmc-slot' sub-node found\n"); return ERR_PTR(-ENOENT); }

- return of_platform_device_create(slot_node, NULL, parent); + pdev = of_platform_device_create(slot_node, NULL, parent); + of_node_put(slot_node); + + return pdev; }

static int meson_mx_mmc_add_host(struct meson_mx_mmc_host *host) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 071693ebfe18..68760d4a5d3d 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -2177,6 +2177,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev) dma_release_channel(host->tx_chan); dma_release_channel(host->rx_chan);

+ dev_pm_clear_wake_irq(host->dev); pm_runtime_dont_use_autosuspend(host->dev); pm_runtime_put_sync(host->dev); pm_runtime_disable(host->dev); diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 4ffa6b173a21..8332f56e6c0d 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -22,6 +22,7 @@ #include <linux/sys_soc.h> #include <linux/clk.h> #include <linux/ktime.h> +#include <linux/dma-mapping.h> #include <linux/mmc/host.h> #include "sdhci-pltfm.h" #include "sdhci-esdhc.h" @@ -427,6 +428,11 @@ static void esdhc_of_adma_workaround(struct sdhci_host *host, u32 intmask) static int esdhc_of_enable_dma(struct sdhci_host *host) { u32 value; + struct device *dev = mmc_dev(host->mmc); + + if (of_device_is_compatible(dev->of_node, "fsl,ls1043a-esdhc") || + of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc")) + dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));

value = sdhci_readl(host, ESDHC_DMA_SYSCTL); value |= ESDHC_DMA_SNOOP; diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 970d38f68939..137df06b9b6e 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -334,7 +334,8 @@ static const struct sdhci_pltfm_data sdhci_tegra30_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | + SDHCI_QUIRK2_BROKEN_HS200, .ops = &tegra_sdhci_ops, };

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 1c828e0e9905..a7b5602ef6f7 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3734,14 +3734,21 @@ int sdhci_setup_host(struct sdhci_host *host) mmc_gpio_get_cd(host->mmc) < 0) mmc->caps |= MMC_CAP_NEEDS_POLL;

- /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */ if (!IS_ERR(mmc->supply.vqmmc)) { ret = regulator_enable(mmc->supply.vqmmc); + + /* If vqmmc provides no 1.8V signalling, then there's no UHS */ if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 1700000, 1950000)) host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50); + + /* In eMMC case vqmmc might be a fixed 1.8V regulator */ + if (!regulator_is_supported_voltage(mmc->supply.vqmmc, 2700000, + 3600000)) + host->flags &= ~SDHCI_SIGNALING_330; + if (ret) { pr_warn("%s: Failed to enable vqmmc regulator: %d\n", mmc_hostname(mmc), ret); diff --git a/drivers/mtd/maps/solutionengine.c b/drivers/mtd/maps/solutionengine.c index bb580bc16445..c07f21b20463 100644 --- a/drivers/mtd/maps/solutionengine.c +++ b/drivers/mtd/maps/solutionengine.c @@ -59,9 +59,9 @@ static int __init init_soleng_maps(void) return -ENXIO; } } - printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n", - soleng_flash_map.phys & 0x1fffffff, - soleng_eprom_map.phys & 0x1fffffff); + printk(KERN_NOTICE "Solution Engine: Flash at 0x%pap, EPROM at 0x%pap\n", + &soleng_flash_map.phys, + &soleng_eprom_map.phys); flash_mtd->owner = THIS_MODULE;

eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map); diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index cd67c85cc87d..02389528f622 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -160,8 +160,12 @@ static ssize_t mtdchar_read(struct file *file, char __user *buf, size_t count,

pr_debug("MTD_read\n");

- if (*ppos + count > mtd->size) - count = mtd->size - *ppos; + if (*ppos + count > mtd->size) { + if (*ppos < mtd->size) + count = mtd->size - *ppos; + else + count = 0; + }

if (!count) return 0; @@ -246,7 +250,7 @@ static ssize_t mtdchar_write(struct file *file, const char __user *buf, size_t c

pr_debug("MTD_write\n");

- if (*ppos == mtd->size) + if (*ppos >= mtd->size) return -ENOSPC;

if (*ppos + count > mtd->size) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c index cc1e4f820e64..533094233659 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c @@ -289,7 +289,7 @@ static int xgbe_alloc_pages(struct xgbe_prv_data *pdata, struct page *pages = NULL; dma_addr_t pages_dma; gfp_t gfp; - int order, ret; + int order;

again: order = alloc_order; @@ -316,10 +316,9 @@ static int xgbe_alloc_pages(struct xgbe_prv_data *pdata, /* Map the pages */ pages_dma = dma_map_page(pdata->dev, pages, 0, PAGE_SIZE << order, DMA_FROM_DEVICE); - ret = dma_mapping_error(pdata->dev, pages_dma); - if (ret) { + if (dma_mapping_error(pdata->dev, pages_dma)) { put_page(pages); - return ret; + return -ENOMEM; }

pa->pages = pages; diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c index 929d485a3a2f..e088dedc1747 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c @@ -493,6 +493,9 @@ static void cn23xx_pf_setup_global_output_regs(struct octeon_device *oct) for (q_no = srn; q_no < ern; q_no++) { reg_val = octeon_read_csr(oct, CN23XX_SLI_OQ_PKT_CONTROL(q_no));

+ /* clear IPTR */ + reg_val &= ~CN23XX_PKT_OUTPUT_CTL_IPTR; + /* set DPTR */ reg_val |= CN23XX_PKT_OUTPUT_CTL_DPTR;

diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c index 9338a0008378..1f8b7f651254 100644 --- a/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c @@ -165,6 +165,9 @@ static void cn23xx_vf_setup_global_output_regs(struct octeon_device *oct) reg_val = octeon_read_csr(oct, CN23XX_VF_SLI_OQ_PKT_CONTROL(q_no));

+ /* clear IPTR */ + reg_val &= ~CN23XX_PKT_OUTPUT_CTL_IPTR; + /* set DPTR */ reg_val |= CN23XX_PKT_OUTPUT_CTL_DPTR;

diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 6d7404f66f84..c9a061e707c4 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -1753,7 +1753,10 @@ static int gmac_open(struct net_device *netdev) phy_start(netdev->phydev);

err = geth_resize_freeq(port); - if (err) { + /* It's fine if it's just busy, the other port has set up + * the freeq in that case. + */ + if (err && (err != -EBUSY)) { netdev_err(netdev, "could not resize freeq\n"); goto err_stop_phy; } diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index ff92ab1daeb8..1e9d882c04ef 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -4500,7 +4500,7 @@ int be_cmd_get_profile_config(struct be_adapter *adapter, port_res->max_vfs += le16_to_cpu(pcie->num_vfs); } } - return status; + goto err; }

pcie = be_get_pcie_desc(resp->func_param, desc_count, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 25a73bb2e642..9d69621f5ab4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3081,7 +3081,6 @@ static int hns3_client_init(struct hnae3_handle *handle) priv->dev = &pdev->dev; priv->netdev = netdev; priv->ae_handle = handle; - priv->ae_handle->reset_level = HNAE3_NONE_RESET; priv->ae_handle->last_reset_time = jiffies; priv->tx_timeout_count = 0;

@@ -3102,6 +3101,11 @@ static int hns3_client_init(struct hnae3_handle *handle) /* Carrier off reporting is important to ethtool even BEFORE open */ netif_carrier_off(netdev);

+ if (handle->flags & HNAE3_SUPPORT_VF) + handle->reset_level = HNAE3_VF_RESET; + else + handle->reset_level = HNAE3_FUNC_RESET; + ret = hns3_get_ring_config(priv); if (ret) { ret = -ENOMEM; @@ -3418,7 +3422,7 @@ static int hns3_reset_notify_down_enet(struct hnae3_handle *handle) struct net_device *ndev = kinfo->netdev;

if (!netif_running(ndev)) - return -EIO; + return 0;

return hns3_nic_net_stop(ndev); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 6fd7ea8074b0..13f43b74fd6d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -2825,15 +2825,13 @@ static void hclge_clear_reset_cause(struct hclge_dev *hdev) static void hclge_reset(struct hclge_dev *hdev) { /* perform reset of the stack & ae device for a client */ - + rtnl_lock(); hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);

if (!hclge_reset_wait(hdev)) { - rtnl_lock(); hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT); hclge_reset_ae_dev(hdev->ae_dev); hclge_notify_client(hdev, HNAE3_INIT_CLIENT); - rtnl_unlock();

hclge_clear_reset_cause(hdev); } else { @@ -2843,6 +2841,7 @@ static void hclge_reset(struct hclge_dev *hdev) }

hclge_notify_client(hdev, HNAE3_UP_CLIENT); + rtnl_unlock(); }

static void hclge_reset_event(struct hnae3_handle *handle) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 0319ed9ef8b8..f7f08e3fa761 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -5011,6 +5011,12 @@ static int mvpp2_probe(struct platform_device *pdev) (unsigned long)of_device_get_match_data(&pdev->dev); }

+ /* multi queue mode isn't supported on PPV2.1, fallback to single + * mode + */ + if (priv->hw_version == MVPP21) + queue_mode = MVPP2_QDIST_SINGLE_MODE; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 384c1fa49081..f167f4eec3ff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -452,6 +452,7 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(SET_HCA_CAP); MLX5_COMMAND_STR_CASE(QUERY_ISSI); MLX5_COMMAND_STR_CASE(SET_ISSI); + MLX5_COMMAND_STR_CASE(SET_DRIVER_VERSION); MLX5_COMMAND_STR_CASE(CREATE_MKEY); MLX5_COMMAND_STR_CASE(QUERY_MKEY); MLX5_COMMAND_STR_CASE(DESTROY_MKEY); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index b994b80d5714..922811fb66e7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -132,11 +132,11 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) delayed_event_start(priv);

dev_ctx->context = intf->add(dev); - set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state); - if (intf->attach) - set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state); - if (dev_ctx->context) { + set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state); + if (intf->attach) + set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state); + spin_lock_irq(&priv->ctx_lock); list_add_tail(&dev_ctx->list, &priv->ctx_list);

@@ -211,12 +211,17 @@ static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv if (intf->attach) { if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state)) goto out; - intf->attach(dev, dev_ctx->context); + if (intf->attach(dev, dev_ctx->context)) + goto out; + set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state); } else { if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state)) goto out; dev_ctx->context = intf->add(dev); + if (!dev_ctx->context) + goto out; + set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state); }

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 91f1209886ff..4c53957c918c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -658,6 +658,7 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports) if (err) goto miss_rule_err;

+ kvfree(flow_group_in); return 0;

miss_rule_err: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 6ddb2565884d..0031c510ab68 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1649,6 +1649,33 @@ static u64 matched_fgs_get_version(struct list_head *match_head) return version; }

+static struct fs_fte * +lookup_fte_locked(struct mlx5_flow_group *g, + u32 *match_value, + bool take_write) +{ + struct fs_fte *fte_tmp; + + if (take_write) + nested_down_write_ref_node(&g->node, FS_LOCK_PARENT); + else + nested_down_read_ref_node(&g->node, FS_LOCK_PARENT); + fte_tmp = rhashtable_lookup_fast(&g->ftes_hash, match_value, + rhash_fte); + if (!fte_tmp || !tree_get_node(&fte_tmp->node)) { + fte_tmp = NULL; + goto out; + } + + nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD); +out: + if (take_write) + up_write_ref_node(&g->node); + else + up_read_ref_node(&g->node); + return fte_tmp; +} + static struct mlx5_flow_handle * try_add_to_existing_fg(struct mlx5_flow_table *ft, struct list_head *match_head, @@ -1671,10 +1698,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, if (IS_ERR(fte)) return ERR_PTR(-ENOMEM);

- list_for_each_entry(iter, match_head, list) { - nested_down_read_ref_node(&iter->g->node, FS_LOCK_PARENT); - } - search_again_locked: version = matched_fgs_get_version(match_head); /* Try to find a fg that already contains a matching fte */ @@ -1682,20 +1705,9 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, struct fs_fte *fte_tmp;

g = iter->g; - fte_tmp = rhashtable_lookup_fast(&g->ftes_hash, spec->match_value, - rhash_fte); - if (!fte_tmp || !tree_get_node(&fte_tmp->node)) + fte_tmp = lookup_fte_locked(g, spec->match_value, take_write); + if (!fte_tmp) continue; - - nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD); - if (!take_write) { - list_for_each_entry(iter, match_head, list) - up_read_ref_node(&iter->g->node); - } else { - list_for_each_entry(iter, match_head, list) - up_write_ref_node(&iter->g->node); - } - rule = add_rule_fg(g, spec->match_value, flow_act, dest, dest_num, fte_tmp); up_write_ref_node(&fte_tmp->node); @@ -1704,19 +1716,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, return rule; }

- /* No group with matching fte found. Try to add a new fte to any - * matching fg. - */ - - if (!take_write) { - list_for_each_entry(iter, match_head, list) - up_read_ref_node(&iter->g->node); - list_for_each_entry(iter, match_head, list) - nested_down_write_ref_node(&iter->g->node, - FS_LOCK_PARENT); - take_write = true; - } - /* Check the ft version, for case that new flow group * was added while the fgs weren't locked */ @@ -1728,27 +1727,30 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, /* Check the fgs version, for case the new FTE with the * same values was added while the fgs weren't locked */ - if (version != matched_fgs_get_version(match_head)) + if (version != matched_fgs_get_version(match_head)) { + take_write = true; goto search_again_locked; + }

list_for_each_entry(iter, match_head, list) { g = iter->g;

if (!g->node.active) continue; + + nested_down_write_ref_node(&g->node, FS_LOCK_PARENT); + err = insert_fte(g, fte); if (err) { + up_write_ref_node(&g->node); if (err == -ENOSPC) continue; - list_for_each_entry(iter, match_head, list) - up_write_ref_node(&iter->g->node); kmem_cache_free(steering->ftes_cache, fte); return ERR_PTR(err); }

nested_down_write_ref_node(&fte->node, FS_LOCK_CHILD); - list_for_each_entry(iter, match_head, list) - up_write_ref_node(&iter->g->node); + up_write_ref_node(&g->node); rule = add_rule_fg(g, spec->match_value, flow_act, dest, dest_num, fte); up_write_ref_node(&fte->node); @@ -1757,8 +1759,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, } rule = ERR_PTR(-ENOENT); out: - list_for_each_entry(iter, match_head, list) - up_write_ref_node(&iter->g->node); kmem_cache_free(steering->ftes_cache, fte); return rule; } @@ -1797,6 +1797,8 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft, if (err) { if (take_write) up_write_ref_node(&ft->node); + else + up_read_ref_node(&ft->node); return ERR_PTR(err); }

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index d39b0b7011b2..9f39aeca863f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -331,9 +331,17 @@ void mlx5_start_health_poll(struct mlx5_core_dev *dev) add_timer(&health->timer); }

-void mlx5_stop_health_poll(struct mlx5_core_dev *dev) +void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health) { struct mlx5_core_health *health = &dev->priv.health; + unsigned long flags; + + if (disable_health) { + spin_lock_irqsave(&health->wq_lock, flags); + set_bit(MLX5_DROP_NEW_HEALTH_WORK, &health->flags); + set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags); + spin_unlock_irqrestore(&health->wq_lock, flags); + }

del_timer_sync(&health->timer); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 615005e63819..76e6ca87db11 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -874,8 +874,10 @@ static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv) priv->numa_node = dev_to_node(&dev->pdev->dev);

priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); - if (!priv->dbg_root) + if (!priv->dbg_root) { + dev_err(&pdev->dev, "Cannot create debugfs dir, aborting\n"); return -ENOMEM; + }

err = mlx5_pci_enable_device(dev); if (err) { @@ -924,7 +926,7 @@ static void mlx5_pci_close(struct mlx5_core_dev *dev, struct mlx5_priv *priv) pci_clear_master(dev->pdev); release_bar(dev->pdev); mlx5_pci_disable_device(dev); - debugfs_remove(priv->dbg_root); + debugfs_remove_recursive(priv->dbg_root); }

static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv) @@ -1266,7 +1268,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, mlx5_cleanup_once(dev);

err_stop_poll: - mlx5_stop_health_poll(dev); + mlx5_stop_health_poll(dev, boot); if (mlx5_cmd_teardown_hca(dev)) { dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); goto out_err; @@ -1325,7 +1327,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, mlx5_free_irq_vectors(dev); if (cleanup) mlx5_cleanup_once(dev); - mlx5_stop_health_poll(dev); + mlx5_stop_health_poll(dev, cleanup); err = mlx5_cmd_teardown_hca(dev); if (err) { dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); @@ -1587,7 +1589,7 @@ static int mlx5_try_fast_unload(struct mlx5_core_dev *dev) * with the HCA, so the health polll is no longer needed. */ mlx5_drain_health_wq(dev); - mlx5_stop_health_poll(dev); + mlx5_stop_health_poll(dev, false);

ret = mlx5_cmd_force_teardown_hca(dev); if (ret) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c index c8c315eb5128..d838af9539b1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c @@ -39,9 +39,9 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) return (u32)wq->fbc.sz_m1 + 1; }

-u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq) +u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq) { - return (u32)wq->fbc.frag_sz_m1 + 1; + return wq->fbc.frag_sz_m1 + 1; }

u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h index 0b47126815b6..16476cc1a602 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h @@ -80,7 +80,7 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *wqc, struct mlx5_wq_cyc *wq, struct mlx5_wq_ctrl *wq_ctrl); u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq); -u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq); +u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);

int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *qpc, struct mlx5_wq_qp *wq, diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c index 152283d7e59c..4a540c5e27fe 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c @@ -236,16 +236,20 @@ static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) int err;

pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err); - if (!err) - return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); + if (err) { + /* For backwards compatibility if symbol not found allow all */ + pf->limit_vfs = ~0; + if (err == -ENOENT) + return 0;

- pf->limit_vfs = ~0; - /* Allow any setting for backwards compatibility if symbol not found */ - if (err == -ENOENT) - return 0; + nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); + return err; + }

- nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); - return err; + err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); + if (err) + nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err); + return 0; }

static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index c2a9e64bc57b..bfccc1955907 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1093,7 +1093,7 @@ static bool nfp_net_xdp_complete(struct nfp_net_tx_ring *tx_ring) * @dp: NFP Net data path struct * @tx_ring: TX ring structure * - * Assumes that the device is stopped + * Assumes that the device is stopped, must be idempotent. */ static void nfp_net_tx_ring_reset(struct nfp_net_dp *dp, struct nfp_net_tx_ring *tx_ring) @@ -1295,13 +1295,18 @@ static void nfp_net_rx_give_one(const struct nfp_net_dp *dp, * nfp_net_rx_ring_reset() - Reflect in SW state of freelist after disable * @rx_ring: RX ring structure * - * Warning: Do *not* call if ring buffers were never put on the FW freelist - * (i.e. device was not enabled)! + * Assumes that the device is stopped, must be idempotent. */ static void nfp_net_rx_ring_reset(struct nfp_net_rx_ring *rx_ring) { unsigned int wr_idx, last_idx;

+ /* wr_p == rd_p means ring was never fed FL bufs. RX rings are always + * kept at cnt - 1 FL bufs. + */ + if (rx_ring->wr_p == 0 && rx_ring->rd_p == 0) + return; + /* Move the empty entry to the end of the list */ wr_idx = D_IDX(rx_ring, rx_ring->wr_p); last_idx = rx_ring->cnt - 1; @@ -2524,6 +2529,8 @@ static void nfp_net_vec_clear_ring_data(struct nfp_net *nn, unsigned int idx) /** * nfp_net_clear_config_and_disable() - Clear control BAR and disable NFP * @nn: NFP Net device to reconfigure + * + * Warning: must be fully idempotent. */ static void nfp_net_clear_config_and_disable(struct nfp_net *nn) { diff --git a/drivers/net/ethernet/qualcomm/qca_7k.c b/drivers/net/ethernet/qualcomm/qca_7k.c index ffe7a16bdfc8..6c8543fb90c0 100644 --- a/drivers/net/ethernet/qualcomm/qca_7k.c +++ b/drivers/net/ethernet/qualcomm/qca_7k.c @@ -45,34 +45,33 @@ qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result) { __be16 rx_data; __be16 tx_data; - struct spi_transfer *transfer; - struct spi_message *msg; + struct spi_transfer transfer[2]; + struct spi_message msg; int ret;

+ memset(transfer, 0, sizeof(transfer)); + + spi_message_init(&msg); + tx_data = cpu_to_be16(QCA7K_SPI_READ | QCA7K_SPI_INTERNAL | reg); + *result = 0; + + transfer[0].tx_buf = &tx_data; + transfer[0].len = QCASPI_CMD_LEN; + transfer[1].rx_buf = &rx_data; + transfer[1].len = QCASPI_CMD_LEN; + + spi_message_add_tail(&transfer[0], &msg);

if (qca->legacy_mode) { - msg = &qca->spi_msg1; - transfer = &qca->spi_xfer1; - transfer->tx_buf = &tx_data; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - spi_sync(qca->spi_dev, msg); - } else { - msg = &qca->spi_msg2; - transfer = &qca->spi_xfer2[0]; - transfer->tx_buf = &tx_data; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - transfer = &qca->spi_xfer2[1]; + spi_sync(qca->spi_dev, &msg); + spi_message_init(&msg); } - transfer->tx_buf = NULL; - transfer->rx_buf = &rx_data; - transfer->len = QCASPI_CMD_LEN; - ret = spi_sync(qca->spi_dev, msg); + spi_message_add_tail(&transfer[1], &msg); + ret = spi_sync(qca->spi_dev, &msg);

if (!ret) - ret = msg->status; + ret = msg.status;

if (ret) qcaspi_spi_error(qca); @@ -86,35 +85,32 @@ int qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value) { __be16 tx_data[2]; - struct spi_transfer *transfer; - struct spi_message *msg; + struct spi_transfer transfer[2]; + struct spi_message msg; int ret;

+ memset(&transfer, 0, sizeof(transfer)); + + spi_message_init(&msg); + tx_data[0] = cpu_to_be16(QCA7K_SPI_WRITE | QCA7K_SPI_INTERNAL | reg); tx_data[1] = cpu_to_be16(value);

+ transfer[0].tx_buf = &tx_data[0]; + transfer[0].len = QCASPI_CMD_LEN; + transfer[1].tx_buf = &tx_data[1]; + transfer[1].len = QCASPI_CMD_LEN; + + spi_message_add_tail(&transfer[0], &msg); if (qca->legacy_mode) { - msg = &qca->spi_msg1; - transfer = &qca->spi_xfer1; - transfer->tx_buf = &tx_data[0]; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - spi_sync(qca->spi_dev, msg); - } else { - msg = &qca->spi_msg2; - transfer = &qca->spi_xfer2[0]; - transfer->tx_buf = &tx_data[0]; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - transfer = &qca->spi_xfer2[1]; + spi_sync(qca->spi_dev, &msg); + spi_message_init(&msg); } - transfer->tx_buf = &tx_data[1]; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - ret = spi_sync(qca->spi_dev, msg); + spi_message_add_tail(&transfer[1], &msg); + ret = spi_sync(qca->spi_dev, &msg);

if (!ret) - ret = msg->status; + ret = msg.status;

if (ret) qcaspi_spi_error(qca); diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 206f0266463e..66b775d462fd 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -99,22 +99,24 @@ static u32 qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len) { __be16 cmd; - struct spi_message *msg = &qca->spi_msg2; - struct spi_transfer *transfer = &qca->spi_xfer2[0]; + struct spi_message msg; + struct spi_transfer transfer[2]; int ret;

+ memset(&transfer, 0, sizeof(transfer)); + spi_message_init(&msg); + cmd = cpu_to_be16(QCA7K_SPI_WRITE | QCA7K_SPI_EXTERNAL); - transfer->tx_buf = &cmd; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - transfer = &qca->spi_xfer2[1]; - transfer->tx_buf = src; - transfer->rx_buf = NULL; - transfer->len = len; + transfer[0].tx_buf = &cmd; + transfer[0].len = QCASPI_CMD_LEN; + transfer[1].tx_buf = src; + transfer[1].len = len;

- ret = spi_sync(qca->spi_dev, msg); + spi_message_add_tail(&transfer[0], &msg); + spi_message_add_tail(&transfer[1], &msg); + ret = spi_sync(qca->spi_dev, &msg);

- if (ret || (msg->actual_length != QCASPI_CMD_LEN + len)) { + if (ret || (msg.actual_length != QCASPI_CMD_LEN + len)) { qcaspi_spi_error(qca); return 0; } @@ -125,17 +127,20 @@ qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len) static u32 qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len) { - struct spi_message *msg = &qca->spi_msg1; - struct spi_transfer *transfer = &qca->spi_xfer1; + struct spi_message msg; + struct spi_transfer transfer; int ret;

- transfer->tx_buf = src; - transfer->rx_buf = NULL; - transfer->len = len; + memset(&transfer, 0, sizeof(transfer)); + spi_message_init(&msg); + + transfer.tx_buf = src; + transfer.len = len;

- ret = spi_sync(qca->spi_dev, msg); + spi_message_add_tail(&transfer, &msg); + ret = spi_sync(qca->spi_dev, &msg);

- if (ret || (msg->actual_length != len)) { + if (ret || (msg.actual_length != len)) { qcaspi_spi_error(qca); return 0; } @@ -146,23 +151,25 @@ qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len) static u32 qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len) { - struct spi_message *msg = &qca->spi_msg2; + struct spi_message msg; __be16 cmd; - struct spi_transfer *transfer = &qca->spi_xfer2[0]; + struct spi_transfer transfer[2]; int ret;

+ memset(&transfer, 0, sizeof(transfer)); + spi_message_init(&msg); + cmd = cpu_to_be16(QCA7K_SPI_READ | QCA7K_SPI_EXTERNAL); - transfer->tx_buf = &cmd; - transfer->rx_buf = NULL; - transfer->len = QCASPI_CMD_LEN; - transfer = &qca->spi_xfer2[1]; - transfer->tx_buf = NULL; - transfer->rx_buf = dst; - transfer->len = len; + transfer[0].tx_buf = &cmd; + transfer[0].len = QCASPI_CMD_LEN; + transfer[1].rx_buf = dst; + transfer[1].len = len;

- ret = spi_sync(qca->spi_dev, msg); + spi_message_add_tail(&transfer[0], &msg); + spi_message_add_tail(&transfer[1], &msg); + ret = spi_sync(qca->spi_dev, &msg);

- if (ret || (msg->actual_length != QCASPI_CMD_LEN + len)) { + if (ret || (msg.actual_length != QCASPI_CMD_LEN + len)) { qcaspi_spi_error(qca); return 0; } @@ -173,17 +180,20 @@ qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len) static u32 qcaspi_read_legacy(struct qcaspi *qca, u8 *dst, u32 len) { - struct spi_message *msg = &qca->spi_msg1; - struct spi_transfer *transfer = &qca->spi_xfer1; + struct spi_message msg; + struct spi_transfer transfer; int ret;

- transfer->tx_buf = NULL; - transfer->rx_buf = dst; - transfer->len = len; + memset(&transfer, 0, sizeof(transfer)); + spi_message_init(&msg);

- ret = spi_sync(qca->spi_dev, msg); + transfer.rx_buf = dst; + transfer.len = len;

- if (ret || (msg->actual_length != len)) { + spi_message_add_tail(&transfer, &msg); + ret = spi_sync(qca->spi_dev, &msg); + + if (ret || (msg.actual_length != len)) { qcaspi_spi_error(qca); return 0; } @@ -195,19 +205,23 @@ static int qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd) { __be16 tx_data; - struct spi_message *msg = &qca->spi_msg1; - struct spi_transfer *transfer = &qca->spi_xfer1; + struct spi_message msg; + struct spi_transfer transfer; int ret;

+ memset(&transfer, 0, sizeof(transfer)); + + spi_message_init(&msg); + tx_data = cpu_to_be16(cmd); - transfer->len = sizeof(tx_data); - transfer->tx_buf = &tx_data; - transfer->rx_buf = NULL; + transfer.len = sizeof(cmd); + transfer.tx_buf = &tx_data; + spi_message_add_tail(&transfer, &msg);

- ret = spi_sync(qca->spi_dev, msg); + ret = spi_sync(qca->spi_dev, &msg);

if (!ret) - ret = msg->status; + ret = msg.status;

if (ret) qcaspi_spi_error(qca); @@ -835,16 +849,6 @@ qcaspi_netdev_setup(struct net_device *dev) qca = netdev_priv(dev); memset(qca, 0, sizeof(struct qcaspi));

- memset(&qca->spi_xfer1, 0, sizeof(struct spi_transfer)); - memset(&qca->spi_xfer2, 0, sizeof(struct spi_transfer) * 2); - - spi_message_init(&qca->spi_msg1); - spi_message_add_tail(&qca->spi_xfer1, &qca->spi_msg1); - - spi_message_init(&qca->spi_msg2); - spi_message_add_tail(&qca->spi_xfer2[0], &qca->spi_msg2); - spi_message_add_tail(&qca->spi_xfer2[1], &qca->spi_msg2); - memset(&qca->txr, 0, sizeof(qca->txr)); qca->txr.count = TX_RING_MAX_LEN; } diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h index fc4beb1b32d1..fc0e98726b36 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.h +++ b/drivers/net/ethernet/qualcomm/qca_spi.h @@ -83,11 +83,6 @@ struct qcaspi { struct tx_ring txr; struct qcaspi_stats stats;

- struct spi_message spi_msg1; - struct spi_message spi_msg2; - struct spi_transfer spi_xfer1; - struct spi_transfer spi_xfer2[2]; - u8 *rx_buffer; u32 buffer_size; u8 sync; diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 9b09c9d0d0fb..5f0366a125e2 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -192,7 +192,7 @@ static int uhdlc_init(struct ucc_hdlc_private *priv) priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param), ALIGNMENT_OF_UCC_HDLC_PRAM);

- if (priv->ucc_pram_offset < 0) { + if (IS_ERR_VALUE(priv->ucc_pram_offset)) { dev_err(priv->dev, "Can not allocate MURAM for hdlc parameter.\n"); ret = -ENOMEM; goto free_tx_bd; @@ -230,14 +230,14 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)

/* Alloc riptr, tiptr */ riptr = qe_muram_alloc(32, 32); - if (riptr < 0) { + if (IS_ERR_VALUE(riptr)) { dev_err(priv->dev, "Cannot allocate MURAM mem for Receive internal temp data pointer\n"); ret = -ENOMEM; goto free_tx_skbuff; }

tiptr = qe_muram_alloc(32, 32); - if (tiptr < 0) { + if (IS_ERR_VALUE(tiptr)) { dev_err(priv->dev, "Cannot allocate MURAM mem for Transmit internal temp data pointer\n"); ret = -ENOMEM; goto free_riptr; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 45ea32796cda..92b38a21cd10 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -660,7 +660,7 @@ static inline void iwl_enable_fw_load_int(struct iwl_trans *trans) } }

-static inline u8 iwl_pcie_get_cmd_index(struct iwl_txq *q, u32 index) +static inline u8 iwl_pcie_get_cmd_index(const struct iwl_txq *q, u32 index) { return index & (q->n_window - 1); } @@ -730,9 +730,13 @@ static inline void iwl_stop_queue(struct iwl_trans *trans,

static inline bool iwl_queue_used(const struct iwl_txq *q, int i) { - return q->write_ptr >= q->read_ptr ? - (i >= q->read_ptr && i < q->write_ptr) : - !(i < q->read_ptr && i >= q->write_ptr); + int index = iwl_pcie_get_cmd_index(q, i); + int r = iwl_pcie_get_cmd_index(q, q->read_ptr); + int w = iwl_pcie_get_cmd_index(q, q->write_ptr); + + return w >= r ? + (index >= r && index < w) : + !(index < r && index >= w); }

static inline bool iwl_is_rfkill_set(struct iwl_trans *trans) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 473fe7ccb07c..11bd7ce2be8e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1225,9 +1225,13 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx) struct iwl_txq *txq = trans_pcie->txq[txq_id]; unsigned long flags; int nfreed = 0; + u16 r;

lockdep_assert_held(&txq->lock);

+ idx = iwl_pcie_get_cmd_index(txq, idx); + r = iwl_pcie_get_cmd_index(txq, txq->read_ptr); + if ((idx >= TFD_QUEUE_SIZE_MAX) || (!iwl_queue_used(txq, idx))) { IWL_ERR(trans, "%s: Read index for DMA queue txq id (%d), index %d is out of range [0-%d] %d %d.\n", @@ -1236,12 +1240,13 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx) return; }

- for (idx = iwl_queue_inc_wrap(idx); txq->read_ptr != idx; - txq->read_ptr = iwl_queue_inc_wrap(txq->read_ptr)) { + for (idx = iwl_queue_inc_wrap(idx); r != idx; + r = iwl_queue_inc_wrap(r)) { + txq->read_ptr = iwl_queue_inc_wrap(txq->read_ptr);

if (nfreed++ > 0) { IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n", - idx, txq->write_ptr, txq->read_ptr); + idx, txq->write_ptr, r); iwl_force_nmi(trans); } } diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 9dd2ca62d84a..c2b6aa1d485f 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -87,8 +87,7 @@ struct netfront_cb { /* IRQ name is queue name with "-tx" or "-rx" appended */ #define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3)

-static DECLARE_WAIT_QUEUE_HEAD(module_load_q); -static DECLARE_WAIT_QUEUE_HEAD(module_unload_q); +static DECLARE_WAIT_QUEUE_HEAD(module_wq);

struct netfront_stats { u64 packets; @@ -1331,11 +1330,11 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) netif_carrier_off(netdev);

xenbus_switch_state(dev, XenbusStateInitialising); - wait_event(module_load_q, - xenbus_read_driver_state(dev->otherend) != - XenbusStateClosed && - xenbus_read_driver_state(dev->otherend) != - XenbusStateUnknown); + wait_event(module_wq, + xenbus_read_driver_state(dev->otherend) != + XenbusStateClosed && + xenbus_read_driver_state(dev->otherend) != + XenbusStateUnknown); return netdev;

exit: @@ -1603,14 +1602,16 @@ static int xennet_init_queue(struct netfront_queue *queue) { unsigned short i; int err = 0; + char *devid;

spin_lock_init(&queue->tx_lock); spin_lock_init(&queue->rx_lock);

timer_setup(&queue->rx_refill_timer, rx_refill_timeout, 0);

- snprintf(queue->name, sizeof(queue->name), "%s-q%u", - queue->info->netdev->name, queue->id); + devid = strrchr(queue->info->xbdev->nodename, '/') + 1; + snprintf(queue->name, sizeof(queue->name), "vif%s-q%u", + devid, queue->id);

/* Initialise tx_skbs as a free chain containing every entry. */ queue->tx_skb_freelist = 0; @@ -2007,15 +2008,14 @@ static void netback_changed(struct xenbus_device *dev,

dev_dbg(&dev->dev, "%s\n", xenbus_strstate(backend_state));

+ wake_up_all(&module_wq); + switch (backend_state) { case XenbusStateInitialising: case XenbusStateInitialised: case XenbusStateReconfiguring: case XenbusStateReconfigured: - break; - case XenbusStateUnknown: - wake_up_all(&module_unload_q); break;

case XenbusStateInitWait: @@ -2031,12 +2031,10 @@ static void netback_changed(struct xenbus_device *dev, break;

case XenbusStateClosed: - wake_up_all(&module_unload_q); if (dev->state == XenbusStateClosed) break; /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: - wake_up_all(&module_unload_q); xenbus_frontend_closed(dev); break; } @@ -2144,14 +2142,14 @@ static int xennet_remove(struct xenbus_device *dev)

if (xenbus_read_driver_state(dev->otherend) != XenbusStateClosed) { xenbus_switch_state(dev, XenbusStateClosing); - wait_event(module_unload_q, + wait_event(module_wq, xenbus_read_driver_state(dev->otherend) == XenbusStateClosing || xenbus_read_driver_state(dev->otherend) == XenbusStateUnknown);

xenbus_switch_state(dev, XenbusStateClosed); - wait_event(module_unload_q, + wait_event(module_wq, xenbus_read_driver_state(dev->otherend) == XenbusStateClosed || xenbus_read_driver_state(dev->otherend) == diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 66ec5985c9f3..69fb62feb833 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1741,6 +1741,8 @@ static void nvme_rdma_shutdown_ctrl(struct nvme_rdma_ctrl *ctrl, bool shutdown) nvme_rdma_stop_io_queues(ctrl); blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request, &ctrl->ctrl); + if (shutdown) + nvme_start_queues(&ctrl->ctrl); nvme_rdma_destroy_io_queues(ctrl, shutdown); }

diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 8c42b3a8c420..64c7596a46a1 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -209,22 +209,24 @@ static void nvmet_file_execute_discard(struct nvmet_req *req) { int mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE; struct nvme_dsm_range range; - loff_t offset; - loff_t len; - int i, ret; + loff_t offset, len; + u16 ret; + int i;

for (i = 0; i <= le32_to_cpu(req->cmd->dsm.nr); i++) { - if (nvmet_copy_from_sgl(req, i * sizeof(range), &range, - sizeof(range))) + ret = nvmet_copy_from_sgl(req, i * sizeof(range), &range, + sizeof(range)); + if (ret) break; offset = le64_to_cpu(range.slba) << req->ns->blksize_shift; len = le32_to_cpu(range.nlb) << req->ns->blksize_shift; - ret = vfs_fallocate(req->ns->file, mode, offset, len); - if (ret) + if (vfs_fallocate(req->ns->file, mode, offset, len)) { + ret = NVME_SC_INTERNAL | NVME_SC_DNR; break; + } }

- nvmet_req_complete(req, ret < 0 ? NVME_SC_INTERNAL | NVME_SC_DNR : 0); + nvmet_req_complete(req, ret); }

static void nvmet_file_dsm_work(struct work_struct *w) diff --git a/drivers/of/base.c b/drivers/of/base.c index 466e3c8582f0..53a51c6911eb 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -118,6 +118,9 @@ void of_populate_phandle_cache(void) if (np->phandle && np->phandle != OF_PHANDLE_ILLEGAL) phandles++;

+ if (!phandles) + goto out; + cache_entries = roundup_pow_of_two(phandles); phandle_cache_mask = cache_entries - 1;

@@ -719,6 +722,31 @@ struct device_node *of_get_next_available_child(const struct device_node *node, } EXPORT_SYMBOL(of_get_next_available_child);

+/** + * of_get_compatible_child - Find compatible child node + * @parent: parent node + * @compatible: compatible string + * + * Lookup child node whose compatible property contains the given compatible + * string. + * + * Returns a node pointer with refcount incremented, use of_node_put() on it + * when done; or NULL if not found. + */ +struct device_node *of_get_compatible_child(const struct device_node *parent, + const char *compatible) +{ + struct device_node *child; + + for_each_child_of_node(parent, child) { + if (of_device_is_compatible(child, compatible)) + break; + } + + return child; +} +EXPORT_SYMBOL(of_get_compatible_child); + /** * of_get_child_by_name - Find the child node by name for a given parent * @node: parent node diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c index 01cf1c1a841a..8de329546b82 100644 --- a/drivers/parport/parport_sunbpp.c +++ b/drivers/parport/parport_sunbpp.c @@ -286,12 +286,16 @@ static int bpp_probe(struct platform_device *op)

ops = kmemdup(&parport_sunbpp_ops, sizeof(struct parport_operations), GFP_KERNEL); - if (!ops) + if (!ops) { + err = -ENOMEM; goto out_unmap; + }

dprintk(("register_port\n")); - if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) + if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) { + err = -ENOMEM; goto out_free_ops; + }

p->size = size; p->dev = &op->dev; diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index a2e88386af28..0fbf612b8ef2 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -303,6 +303,9 @@ int pcie_aer_get_firmware_first(struct pci_dev *dev) if (!pci_is_pcie(dev)) return 0;

+ if (pcie_ports_native) + return 0; + if (!dev->__aer_firmware_first_valid) aer_set_firmware_first(dev); return dev->__aer_firmware_first; @@ -323,6 +326,9 @@ bool aer_acpi_firmware_first(void) .firmware_first = 0, };

+ if (pcie_ports_native) + return false; + if (!parsed) { apei_hest_parse(aer_hest_parse, &info); aer_firmware_first = info.firmware_first; diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c index 4c4740ffeb9c..3ea685634b6c 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c @@ -1537,7 +1537,7 @@ static int mtk_build_groups(struct mtk_pinctrl *hw) err = pinctrl_generic_add_group(hw->pctrl, group->name, group->pins, group->num_pins, group->data); - if (err) { + if (err < 0) { dev_err(hw->dev, "Failed to register group %s\n", group->name); return err; @@ -1558,7 +1558,7 @@ static int mtk_build_functions(struct mtk_pinctrl *hw) func->group_names, func->num_group_names, func->data); - if (err) { + if (err < 0) { dev_err(hw->dev, "Failed to register function %s\n", func->name); return err; diff --git a/drivers/pinctrl/pinctrl-rza1.c b/drivers/pinctrl/pinctrl-rza1.c index 717c0f4449a0..f76edf664539 100644 --- a/drivers/pinctrl/pinctrl-rza1.c +++ b/drivers/pinctrl/pinctrl-rza1.c @@ -1006,6 +1006,7 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev, const char *grpname; const char **fngrps; int ret, npins; + int gsel, fsel;

npins = rza1_dt_node_pin_count(np); if (npins < 0) { @@ -1055,18 +1056,19 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev, fngrps[0] = grpname;

mutex_lock(&rza1_pctl->mutex); - ret = pinctrl_generic_add_group(pctldev, grpname, grpins, npins, - NULL); - if (ret) { + gsel = pinctrl_generic_add_group(pctldev, grpname, grpins, npins, + NULL); + if (gsel < 0) { mutex_unlock(&rza1_pctl->mutex); - return ret; + return gsel; }

- ret = pinmux_generic_add_function(pctldev, grpname, fngrps, 1, - mux_confs); - if (ret) + fsel = pinmux_generic_add_function(pctldev, grpname, fngrps, 1, + mux_confs); + if (fsel < 0) { + ret = fsel; goto remove_group; - mutex_unlock(&rza1_pctl->mutex); + }

dev_info(rza1_pctl->dev, "Parsed function and group %s with %d pins\n", grpname, npins); @@ -1083,15 +1085,15 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev, (*map)->data.mux.group = np->name; (*map)->data.mux.function = np->name; *num_maps = 1; + mutex_unlock(&rza1_pctl->mutex);

return 0;

remove_function: - mutex_lock(&rza1_pctl->mutex); - pinmux_generic_remove_last_function(pctldev); + pinmux_generic_remove_function(pctldev, fsel);

remove_group: - pinctrl_generic_remove_last_group(pctldev); + pinctrl_generic_remove_group(pctldev, gsel); mutex_unlock(&rza1_pctl->mutex);

dev_info(rza1_pctl->dev, "Unable to parse function and group %s\n", diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 0e22f52b2a19..2155a30c282b 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -250,22 +250,30 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev, /* Convert register value to pinconf value */ switch (param) { case PIN_CONFIG_BIAS_DISABLE: - arg = arg == MSM_NO_PULL; + if (arg != MSM_NO_PULL) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_PULL_DOWN: - arg = arg == MSM_PULL_DOWN; + if (arg != MSM_PULL_DOWN) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_BUS_HOLD: if (pctrl->soc->pull_no_keeper) return -ENOTSUPP;

- arg = arg == MSM_KEEPER; + if (arg != MSM_KEEPER) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_PULL_UP: if (pctrl->soc->pull_no_keeper) arg = arg == MSM_PULL_UP_NO_KEEPER; else arg = arg == MSM_PULL_UP; + if (!arg) + return -EINVAL; break; case PIN_CONFIG_DRIVE_STRENGTH: arg = msm_regval_to_drive(arg); diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c index 3e66e0d10010..cf82db78e69e 100644 --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c @@ -390,31 +390,47 @@ static int pmic_gpio_config_get(struct pinctrl_dev *pctldev,

switch (param) { case PIN_CONFIG_DRIVE_PUSH_PULL: - arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_CMOS; + if (pad->buffer_type != PMIC_GPIO_OUT_BUF_CMOS) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_DRIVE_OPEN_DRAIN: - arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_OPEN_DRAIN_NMOS; + if (pad->buffer_type != PMIC_GPIO_OUT_BUF_OPEN_DRAIN_NMOS) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_DRIVE_OPEN_SOURCE: - arg = pad->buffer_type == PMIC_GPIO_OUT_BUF_OPEN_DRAIN_PMOS; + if (pad->buffer_type != PMIC_GPIO_OUT_BUF_OPEN_DRAIN_PMOS) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_PULL_DOWN: - arg = pad->pullup == PMIC_GPIO_PULL_DOWN; + if (pad->pullup != PMIC_GPIO_PULL_DOWN) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_DISABLE: - arg = pad->pullup = PMIC_GPIO_PULL_DISABLE; + if (pad->pullup != PMIC_GPIO_PULL_DISABLE) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_PULL_UP: - arg = pad->pullup == PMIC_GPIO_PULL_UP_30; + if (pad->pullup != PMIC_GPIO_PULL_UP_30) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: - arg = !pad->is_enabled; + if (pad->is_enabled) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_POWER_SOURCE: arg = pad->power_source; break; case PIN_CONFIG_INPUT_ENABLE: - arg = pad->input_enabled; + if (!pad->input_enabled) + return -EINVAL; + arg = 1; break; case PIN_CONFIG_OUTPUT: arg = pad->out_value; diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index eef76bfa5d73..e50941c3ba54 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -34,6 +34,7 @@ #define TOSHIBA_ACPI_VERSION "0.24" #define PROC_INTERFACE_VERSION 1

+#include <linux/compiler.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -1682,7 +1683,7 @@ static const struct file_operations keys_proc_fops = { .write = keys_proc_write, };

-static int version_proc_show(struct seq_file *m, void *v) +static int __maybe_unused version_proc_show(struct seq_file *m, void *v) { seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION); seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION); diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index 9817f1a75342..ba3d5e63ada6 100644 --- a/drivers/regulator/qcom_spmi-regulator.c +++ b/drivers/regulator/qcom_spmi-regulator.c @@ -1752,7 +1752,8 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) const char *name; struct device *dev = &pdev->dev; struct device_node *node = pdev->dev.of_node; - struct device_node *syscon; + struct device_node *syscon, *reg_node; + struct property *reg_prop; int ret, lenp; struct list_head *vreg_list;

@@ -1774,16 +1775,19 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) syscon = of_parse_phandle(node, "qcom,saw-reg", 0); saw_regmap = syscon_node_to_regmap(syscon); of_node_put(syscon); - if (IS_ERR(regmap)) + if (IS_ERR(saw_regmap)) dev_err(dev, "ERROR reading SAW regmap\n"); }

for (reg = match->data; reg->name; reg++) {

- if (saw_regmap && \ - of_find_property(of_find_node_by_name(node, reg->name), \ - "qcom,saw-slave", &lenp)) { - continue; + if (saw_regmap) { + reg_node = of_get_child_by_name(node, reg->name); + reg_prop = of_find_property(reg_node, "qcom,saw-slave", + &lenp); + of_node_put(reg_node); + if (reg_prop) + continue; }

vreg = devm_kzalloc(dev, sizeof(*vreg), GFP_KERNEL); @@ -1816,13 +1820,17 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) if (ret) continue;

- if (saw_regmap && \ - of_find_property(of_find_node_by_name(node, reg->name), \ - "qcom,saw-leader", &lenp)) { - spmi_saw_ops = *(vreg->desc.ops); - spmi_saw_ops.set_voltage_sel = \ - spmi_regulator_saw_set_voltage; - vreg->desc.ops = &spmi_saw_ops; + if (saw_regmap) { + reg_node = of_get_child_by_name(node, reg->name); + reg_prop = of_find_property(reg_node, "qcom,saw-leader", + &lenp); + of_node_put(reg_node); + if (reg_prop) { + spmi_saw_ops = *(vreg->desc.ops); + spmi_saw_ops.set_voltage_sel = + spmi_regulator_saw_set_voltage; + vreg->desc.ops = &spmi_saw_ops; + } }

config.dev = dev; diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c index 2bf8e7c49f2a..e5ec59102b01 100644 --- a/drivers/remoteproc/qcom_q6v5_pil.c +++ b/drivers/remoteproc/qcom_q6v5_pil.c @@ -1370,7 +1370,6 @@ static const struct rproc_hexagon_res sdm845_mss = { .hexagon_mba_image = "mba.mbn", .proxy_clk_names = (char*[]){ "xo", - "axis2", "prng", NULL }, diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c index 4db177bc89bc..fdeac1946429 100644 --- a/drivers/reset/reset-imx7.c +++ b/drivers/reset/reset-imx7.c @@ -80,7 +80,7 @@ static int imx7_reset_set(struct reset_controller_dev *rcdev, { struct imx7_src *imx7src = to_imx7_src(rcdev); const struct imx7_src_signal *signal = &imx7_src_signals[id]; - unsigned int value = 0; + unsigned int value = assert ? signal->bit : 0;

switch (id) { case IMX7_RESET_PCIEPHY: diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c index d768f6747961..113493b52149 100644 --- a/drivers/rtc/rtc-bq4802.c +++ b/drivers/rtc/rtc-bq4802.c @@ -162,6 +162,10 @@ static int bq4802_probe(struct platform_device *pdev) } else if (p->r->flags & IORESOURCE_MEM) { p->regs = devm_ioremap(&pdev->dev, p->r->start, resource_size(p->r)); + if (!p->regs){ + err = -ENOMEM; + goto out; + } p->read = bq4802_read_mem; p->write = bq4802_write_mem; } else { diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index d01ac29fd986..ffdb78421a25 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3530,13 +3530,14 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, qdio_flags = QDIO_FLAG_SYNC_OUTPUT; if (atomic_read(&queue->set_pci_flags_count)) qdio_flags |= QDIO_FLAG_PCI_OUT; + atomic_add(count, &queue->used_buffers); + rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags, queue->queue_no, index, count); if (queue->card->options.performance_stats) queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - queue->card->perf_stats.outbound_do_qdio_start_time; - atomic_add(count, &queue->used_buffers); if (rc) { queue->card->stats.tx_errors += count; /* ignore temporary SIGA errors without busy condition */ diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index c3f18afb368b..cfb659747693 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -426,6 +426,7 @@ static ssize_t qeth_dev_layer2_store(struct device *dev, if (card->discipline) { card->discipline->remove(card->gdev); qeth_core_free_discipline(card); + card->options.layer2 = -1; }

rc = qeth_core_load_discipline(card, newdis); diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 3f3569ec5ce3..ddc7921ae5da 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -294,9 +294,11 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event) * discovery, reverify or log them in. Otherwise, log them out. * Skip ports which were never discovered. These are the dNS port * and ports which were created by PLOGI. + * + * We don't need to use the _rcu variant here as the rport list + * is protected by the disc mutex which is already held on entry. */ - rcu_read_lock(); - list_for_each_entry_rcu(rdata, &disc->rports, peers) { + list_for_each_entry(rdata, &disc->rports, peers) { if (!kref_get_unless_zero(&rdata->kref)) continue; if (rdata->disc_id) { @@ -307,7 +309,6 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event) } kref_put(&rdata->kref, fc_rport_destroy); } - rcu_read_unlock(); mutex_unlock(&disc->disc_mutex); disc->disc_callback(lport, event); mutex_lock(&disc->disc_mutex); diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index d723fd1d7b26..cab1fb087e6a 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -2976,7 +2976,7 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; u32 i, wait_cnt = 0;

- if (phba->sli_rev < LPFC_SLI_REV4) + if (phba->sli_rev < LPFC_SLI_REV4 || !phba->sli4_hba.nvme_wq) return;

/* Cycle through all NVME rings and make sure all outstanding @@ -2985,6 +2985,9 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba) for (i = 0; i < phba->cfg_nvme_io_channel; i++) { pring = phba->sli4_hba.nvme_wq[i]->pring;

+ if (!pring) + continue; + /* Retrieve everything on the txcmplq */ while (!list_empty(&pring->txcmplq)) { msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1); diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 7271c9d885dd..5e5ec3363b44 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -402,6 +402,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)

/* Process FCP command */ if (rc == 0) { + ctxp->rqb_buffer = NULL; atomic_inc(&tgtp->rcv_fcp_cmd_out); nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); return; @@ -1116,8 +1117,17 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", ctxp->oxid, ctxp->size, smp_processor_id());

+ if (!nvmebuf) { + lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR, + "6425 Defer rcv: no buffer xri x%x: " + "flg %x ste %x\n", + ctxp->oxid, ctxp->flag, ctxp->state); + return; + } + tgtp = phba->targetport->private; - atomic_inc(&tgtp->rcv_fcp_cmd_defer); + if (tgtp) + atomic_inc(&tgtp->rcv_fcp_cmd_defer);

/* Free the nvmebuf since a new buffer already replaced it */ nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index 70b2ee80d6bd..bf4bd71ab53f 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -364,11 +364,6 @@ static int qcom_smem_alloc_private(struct qcom_smem *smem, end = phdr_to_last_uncached_entry(phdr); cached = phdr_to_last_cached_entry(phdr);

- if (smem->global_partition) { - dev_err(smem->dev, "Already found the global partition\n"); - return -EINVAL; - } - while (hdr < end) { if (hdr->canary != SMEM_PRIVATE_CANARY) goto bad_canary; @@ -736,6 +731,11 @@ static int qcom_smem_set_global_partition(struct qcom_smem *smem) bool found = false; int i;

+ if (smem->global_partition) { + dev_err(smem->dev, "Already found the global partition\n"); + return -EINVAL; + } + ptable = qcom_smem_get_ptable(smem); if (IS_ERR(ptable)) return PTR_ERR(ptable); diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index f693bfe95ab9..a087464efdd7 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -485,6 +485,8 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) dws->dma_inited = 0; dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR);

+ spi_controller_set_devdata(master, dws); + ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dev_name(dev), master); if (ret < 0) { @@ -518,7 +520,6 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) } }

- spi_controller_set_devdata(master, dws); ret = devm_spi_register_controller(dev, master); if (ret) { dev_err(&master->dev, "problem registering spi master\n"); diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 396371728aa1..537d5bb5e294 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -767,7 +767,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count) for (i = 0; i < count; i++) { vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]); dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE, - DMA_BIDIRECTIONAL); + DMA_FROM_DEVICE); skb_free_frag(vaddr); } } diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c index f0cefa1b7b0f..b20d34449ed4 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c @@ -439,16 +439,16 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) my_workqueue_init(alsa_stream);

ret = bcm2835_audio_open_connection(alsa_stream); - if (ret) { - ret = -1; - goto exit; - } + if (ret) + goto free_wq; + instance = alsa_stream->instance; LOG_DBG(" instance (%p)\n", instance);

if (mutex_lock_interruptible(&instance->vchi_mutex)) { LOG_DBG("Interrupted whilst waiting for lock on (%d)\n", instance->num_connections); - return -EINTR; + ret = -EINTR; + goto free_wq; } vchi_service_use(instance->vchi_handle[0]);

@@ -471,7 +471,11 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) unlock: vchi_service_release(instance->vchi_handle[0]); mutex_unlock(&instance->vchi_mutex); -exit: + +free_wq: + if (ret) + destroy_workqueue(alsa_stream->my_wq); + return ret; }

diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index ce26741ae9d9..3f61d04c47ab 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -580,6 +580,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) static void stop_streaming(struct vb2_queue *vq) { int ret; + unsigned long timeout; struct bm2835_mmal_dev *dev = vb2_get_drv_priv(vq);

v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, "%s: dev:%p\n", @@ -605,10 +606,10 @@ static void stop_streaming(struct vb2_queue *vq) sizeof(dev->capture.frame_count));

/* wait for last frame to complete */ - ret = wait_for_completion_timeout(&dev->capture.frame_cmplt, HZ); - if (ret <= 0) + timeout = wait_for_completion_timeout(&dev->capture.frame_cmplt, HZ); + if (timeout == 0) v4l2_err(&dev->v4l2_dev, - "error %d waiting for frame completion\n", ret); + "timed out waiting for frame completion\n");

v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, "disabling connection\n"); diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c index f5b5ead6347c..51e5b04ff0f5 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c @@ -630,6 +630,7 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, { struct mmal_msg_context *msg_context; int ret; + unsigned long timeout;

/* payload size must not cause message to exceed max size */ if (payload_len > @@ -668,11 +669,11 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, return ret; }

- ret = wait_for_completion_timeout(&msg_context->u.sync.cmplt, 3 * HZ); - if (ret <= 0) { - pr_err("error %d waiting for sync completion\n", ret); - if (ret == 0) - ret = -ETIME; + timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt, + 3 * HZ); + if (timeout == 0) { + pr_err("timed out waiting for sync completion\n"); + ret = -ETIME; /* todo: what happens if the message arrives after aborting */ release_msg_context(msg_context); return ret; diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index bfb37f0be22f..863e86b9a424 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -124,7 +124,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev, dev_warn(&ofdev->dev, "unsupported reg-io-width (%d)\n", prop); ret = -EINVAL; - goto err_dispose; + goto err_unprepare; } } port->flags |= UPF_IOREMAP; diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c index 6ff8cdfc9d2a..3e827a3d48d5 100644 --- a/drivers/tty/tty_baudrate.c +++ b/drivers/tty/tty_baudrate.c @@ -157,18 +157,25 @@ void tty_termios_encode_baud_rate(struct ktermios *termios, termios->c_ospeed = obaud;

#ifdef BOTHER + if ((termios->c_cflag >> IBSHIFT) & CBAUD) + ibinput = 1; /* An input speed was specified */ + /* If the user asked for a precise weird speed give a precise weird answer. If they asked for a Bfoo speed they may have problems digesting non-exact replies so fuzz a bit */

- if ((termios->c_cflag & CBAUD) == BOTHER) + if ((termios->c_cflag & CBAUD) == BOTHER) { oclose = 0; + if (!ibinput) + iclose = 0; + } if (((termios->c_cflag >> IBSHIFT) & CBAUD) == BOTHER) iclose = 0; - if ((termios->c_cflag >> IBSHIFT) & CBAUD) - ibinput = 1; /* An input speed was specified */ #endif termios->c_cflag &= ~CBAUD; +#ifdef IBSHIFT + termios->c_cflag &= ~(CBAUD << IBSHIFT); +#endif

/* * Our goal is to find a close match to the standard baud rate diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 75c4623ad779..f8ee32d9843a 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -779,20 +779,9 @@ static int acm_tty_write(struct tty_struct *tty, }

if (acm->susp_count) { - if (acm->putbuffer) { - /* now to preserve order */ - usb_anchor_urb(acm->putbuffer->urb, &acm->delayed); - acm->putbuffer = NULL; - } usb_anchor_urb(wb->urb, &acm->delayed); spin_unlock_irqrestore(&acm->write_lock, flags); return count; - } else { - if (acm->putbuffer) { - /* at this point there is no good way to handle errors */ - acm_start_wb(acm, acm->putbuffer); - acm->putbuffer = NULL; - } }

stat = acm_start_wb(acm, wb); @@ -803,66 +792,6 @@ static int acm_tty_write(struct tty_struct *tty, return count; }

-static void acm_tty_flush_chars(struct tty_struct *tty) -{ - struct acm *acm = tty->driver_data; - struct acm_wb *cur; - int err; - unsigned long flags; - - spin_lock_irqsave(&acm->write_lock, flags); - - cur = acm->putbuffer; - if (!cur) /* nothing to do */ - goto out; - - acm->putbuffer = NULL; - err = usb_autopm_get_interface_async(acm->control); - if (err < 0) { - cur->use = 0; - acm->putbuffer = cur; - goto out; - } - - if (acm->susp_count) - usb_anchor_urb(cur->urb, &acm->delayed); - else - acm_start_wb(acm, cur); -out: - spin_unlock_irqrestore(&acm->write_lock, flags); - return; -} - -static int acm_tty_put_char(struct tty_struct *tty, unsigned char ch) -{ - struct acm *acm = tty->driver_data; - struct acm_wb *cur; - int wbn; - unsigned long flags; - -overflow: - cur = acm->putbuffer; - if (!cur) { - spin_lock_irqsave(&acm->write_lock, flags); - wbn = acm_wb_alloc(acm); - if (wbn >= 0) { - cur = &acm->wb[wbn]; - acm->putbuffer = cur; - } - spin_unlock_irqrestore(&acm->write_lock, flags); - if (!cur) - return 0; - } - - if (cur->len == acm->writesize) { - acm_tty_flush_chars(tty); - goto overflow; - } - - cur->buf[cur->len++] = ch; - return 1; -} - static int acm_tty_write_room(struct tty_struct *tty) { struct acm *acm = tty->driver_data; @@ -1987,8 +1916,6 @@ static const struct tty_operations acm_ops = { .cleanup = acm_tty_cleanup, .hangup = acm_tty_hangup, .write = acm_tty_write, - .put_char = acm_tty_put_char, - .flush_chars = acm_tty_flush_chars, .write_room = acm_tty_write_room, .ioctl = acm_tty_ioctl, .throttle = acm_tty_throttle, diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index eacc116e83da..ca06b20d7af9 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -96,7 +96,6 @@ struct acm { unsigned long read_urbs_free; struct urb *read_urbs[ACM_NR]; struct acm_rb read_buffers[ACM_NR]; - struct acm_wb *putbuffer; /* for acm_tty_put_char() */ int rx_buflimit; spinlock_t read_lock; u8 *notification_buffer; /* to reassemble fragmented notifications */ diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index a0d284ef3f40..632a2bfabc08 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -458,7 +458,7 @@ static int service_outstanding_interrupt(struct wdm_device *desc)

set_bit(WDM_RESPONDING, &desc->flags); spin_unlock_irq(&desc->iuspin); - rv = usb_submit_urb(desc->response, GFP_KERNEL); + rv = usb_submit_urb(desc->response, GFP_ATOMIC); spin_lock_irq(&desc->iuspin); if (rv) { dev_err(&desc->intf->dev, diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 66fe1b78d952..03432467b05f 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -515,8 +515,6 @@ static int resume_common(struct device *dev, int event) event == PM_EVENT_RESTORE); if (retval) { dev_err(dev, "PCI post-resume error %d!\n", retval); - if (hcd->shared_hcd) - usb_hc_died(hcd->shared_hcd); usb_hc_died(hcd); } } diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 1a15392326fc..525ebd03cfe5 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1340,6 +1340,11 @@ void usb_enable_interface(struct usb_device *dev, * is submitted that needs that bandwidth. Some other operating systems * allocate bandwidth early, when a configuration is chosen. * + * xHCI reserves bandwidth and configures the alternate setting in + * usb_hcd_alloc_bandwidth(). If it fails the original interface altsetting + * may be disabled. Drivers cannot rely on any particular alternate + * setting being in effect after a failure. + * * This call is synchronous, and may not be used in an interrupt context. * Also, drivers must not change altsettings while urbs are scheduled for * endpoints in that interface; all such urbs must first be completed @@ -1375,6 +1380,12 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) alternate); return -EINVAL; } + /* + * usb3 hosts configure the interface in usb_hcd_alloc_bandwidth, + * including freeing dropped endpoint ring buffers. + * Make sure the interface endpoints are flushed before that + */ + usb_disable_interface(dev, iface, false);

/* Make sure we have enough bandwidth for this alternate interface. * Remove the current alt setting and add the new alt setting. diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 097057d2eacf..e77dfe5ed5ec 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -178,6 +178,10 @@ static const struct usb_device_id usb_quirk_list[] = { /* CBM - Flash disk */ { USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },

+ /* WORLDE Controller KS49 or Prodipe MIDI 49C USB controller */ + { USB_DEVICE(0x0218, 0x0201), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + /* WORLDE easy key (easykey.25) MIDI controller */ { USB_DEVICE(0x0218, 0x0401), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, @@ -406,6 +410,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x2040, 0x7200), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS },

+ /* DJI CineSSD */ + { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM }, + /* INTEL VALUE SSD */ { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },

diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index db610c56f1d6..2aacd1afd9ff 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -25,7 +25,7 @@ struct dwc3; #define DWC3_DEPCFG_XFER_IN_PROGRESS_EN BIT(9) #define DWC3_DEPCFG_XFER_NOT_READY_EN BIT(10) #define DWC3_DEPCFG_FIFO_ERROR_EN BIT(11) -#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(12) +#define DWC3_DEPCFG_STREAM_EVENT_EN BIT(13) #define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16) #define DWC3_DEPCFG_STREAM_CAPABLE BIT(24) #define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25) diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 318246d8b2e2..b02ab2a8d927 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -1545,11 +1545,14 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on) writel(tmp | BIT(USB_DETECT_ENABLE), &dev->usb->usbctl); } else { writel(tmp & ~BIT(USB_DETECT_ENABLE), &dev->usb->usbctl); - stop_activity(dev, dev->driver); + stop_activity(dev, NULL); }

spin_unlock_irqrestore(&dev->lock, flags);

+ if (!is_on && dev->driver) + dev->driver->disconnect(&dev->gadget); + return 0; }

@@ -2466,8 +2469,11 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver) nuke(&dev->ep[i]);

/* report disconnect; the driver is already quiesced */ - if (driver) + if (driver) { + spin_unlock(&dev->lock); driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + }

usb_reinit(dev); } @@ -3341,6 +3347,8 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat) BIT(PCI_RETRY_ABORT_INTERRUPT))

static void handle_stat1_irqs(struct net2280 *dev, u32 stat) +__releases(dev->lock) +__acquires(dev->lock) { struct net2280_ep *ep; u32 tmp, num, mask, scratch; @@ -3381,12 +3389,14 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat) if (disconnect || reset) { stop_activity(dev, dev->driver); ep0_start(dev); + spin_unlock(&dev->lock); if (reset) usb_gadget_udc_reset (&dev->gadget, dev->driver); else (dev->driver->disconnect) (&dev->gadget); + spin_lock(&dev->lock); return; } } @@ -3405,6 +3415,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat) tmp = BIT(SUSPEND_REQUEST_CHANGE_INTERRUPT); if (stat & tmp) { writel(tmp, &dev->regs->irqstat1); + spin_unlock(&dev->lock); if (stat & BIT(SUSPEND_REQUEST_INTERRUPT)) { if (dev->driver->suspend) dev->driver->suspend(&dev->gadget); @@ -3415,6 +3426,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat) dev->driver->resume(&dev->gadget); /* at high speed, note erratum 0133 */ } + spin_lock(&dev->lock); stat &= ~tmp; }

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 7cf98c793e04..5b5f1c8b47c9 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -787,12 +787,15 @@ static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3) switch (speed) { case USB_STA_SPEED_SS: usb3->gadget.speed = USB_SPEED_SUPER; + usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE; break; case USB_STA_SPEED_HS: usb3->gadget.speed = USB_SPEED_HIGH; + usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; break; case USB_STA_SPEED_FS: usb3->gadget.speed = USB_SPEED_FULL; + usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; break; default: usb3->gadget.speed = USB_SPEED_UNKNOWN; @@ -2451,7 +2454,7 @@ static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev, /* for control pipe */ usb3->gadget.ep0 = &usb3_ep->ep; usb_ep_set_maxpacket_limit(&usb3_ep->ep, - USB3_EP0_HSFS_MAX_PACKET_SIZE); + USB3_EP0_SS_MAX_PACKET_SIZE); usb3_ep->ep.caps.type_control = true; usb3_ep->ep.caps.dir_in = true; usb3_ep->ep.caps.dir_out = true; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 032b8652910a..02f8e08b3ee8 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -2555,7 +2555,7 @@ static int u132_get_frame(struct usb_hcd *hcd) } else { int frame = 0; dev_err(&u132->platform_dev->dev, "TODO: u132_get_frame\n"); - msleep(100); + mdelay(100); return frame; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index ef350c33dc4a..b1f27aa38b10 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1613,6 +1613,10 @@ void xhci_endpoint_copy(struct xhci_hcd *xhci, in_ep_ctx->ep_info2 = out_ep_ctx->ep_info2; in_ep_ctx->deq = out_ep_ctx->deq; in_ep_ctx->tx_info = out_ep_ctx->tx_info; + if (xhci->quirks & XHCI_MTK_HOST) { + in_ep_ctx->reserved[0] = out_ep_ctx->reserved[0]; + in_ep_ctx->reserved[1] = out_ep_ctx->reserved[1]; + } }

/* Copy output xhci_slot_ctx to the input xhci_slot_ctx. diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 68e6132aa8b2..c2220a7fc758 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -37,6 +37,21 @@ static unsigned long long quirks; module_param(quirks, ullong, S_IRUGO); MODULE_PARM_DESC(quirks, "Bit flags for quirks to be enabled as default");

+static bool td_on_ring(struct xhci_td *td, struct xhci_ring *ring) +{ + struct xhci_segment *seg = ring->first_seg; + + if (!td || !td->start_seg) + return false; + do { + if (seg == td->start_seg) + return true; + seg = seg->next; + } while (seg && seg != ring->first_seg); + + return false; +} + /* TODO: copied from ehci-hcd.c - can this be refactored? */ /* * xhci_handshake - spin reading hc until handshake completes or fails @@ -1571,6 +1586,21 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) goto done; }

+ /* + * check ring is not re-allocated since URB was enqueued. If it is, then + * make sure none of the ring related pointers in this URB private data + * are touched, such as td_list, otherwise we overwrite freed data + */ + if (!td_on_ring(&urb_priv->td[0], ep_ring)) { + xhci_err(xhci, "Canceled URB td not found on endpoint ring"); + for (i = urb_priv->num_tds_done; i < urb_priv->num_tds; i++) { + td = &urb_priv->td[i]; + if (!list_empty(&td->cancelled_td_list)) + list_del_init(&td->cancelled_td_list); + } + goto err_giveback; + } + if (xhci->xhc_state & XHCI_STATE_HALTED) { xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "HC halted, freeing TD manually."); diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index de9a502491c2..69822852888a 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -369,7 +369,7 @@ static unsigned char parport_uss720_frob_control(struct parport *pp, unsigned ch mask &= 0x0f; val &= 0x0f; d = (priv->reg[1] & (~mask)) ^ val; - if (set_1284_register(pp, 2, d, GFP_KERNEL)) + if (set_1284_register(pp, 2, d, GFP_ATOMIC)) return 0; priv->reg[1] = d; return d & 0xf; @@ -379,7 +379,7 @@ static unsigned char parport_uss720_read_status(struct parport *pp) { unsigned char ret;

- if (get_1284_register(pp, 1, &ret, GFP_KERNEL)) + if (get_1284_register(pp, 1, &ret, GFP_ATOMIC)) return 0; return ret & 0xf8; } diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 3be40eaa1ac9..1232dd49556d 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -421,13 +421,13 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, { struct usb_yurex *dev; int i, set = 0, retval = 0; - char buffer[16]; + char buffer[16 + 1]; char *data = buffer; unsigned long long c, c2 = 0; signed long timeout = 0; DEFINE_WAIT(wait);

- count = min(sizeof(buffer), count); + count = min(sizeof(buffer) - 1, count); dev = file->private_data;

/* verify that we actually have some data to write */ @@ -446,6 +446,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, retval = -EFAULT; goto error; } + buffer[count] = 0; memset(dev->cntl_buffer, CMD_PADDING, YUREX_BUF_SIZE);

switch (buffer[0]) { diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index eecfd0671362..d045d8458f81 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -107,8 +107,12 @@ static int mtu3_device_enable(struct mtu3 *mtu) (SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN | SSUSB_U2_PORT_HOST_SEL));

- if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) + if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) { mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); + if (mtu->is_u3_ip) + mtu3_setbits(ibase, SSUSB_U3_CTRL(0), + SSUSB_U3_PORT_DUAL_MODE); + }

return ssusb_check_clocks(mtu->ssusb, check_clk); } diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h index 6ee371478d89..a45bb253939f 100644 --- a/drivers/usb/mtu3/mtu3_hw_regs.h +++ b/drivers/usb/mtu3/mtu3_hw_regs.h @@ -459,6 +459,7 @@

/* U3D_SSUSB_U3_CTRL_0P */ #define SSUSB_U3_PORT_SSP_SPEED BIT(9) +#define SSUSB_U3_PORT_DUAL_MODE BIT(7) #define SSUSB_U3_PORT_HOST_SEL BIT(2) #define SSUSB_U3_PORT_PDN BIT(1) #define SSUSB_U3_PORT_DIS BIT(0) diff --git a/drivers/usb/serial/io_ti.h b/drivers/usb/serial/io_ti.h index e53c68261017..9bbcee37524e 100644 --- a/drivers/usb/serial/io_ti.h +++ b/drivers/usb/serial/io_ti.h @@ -173,7 +173,7 @@ struct ump_interrupt { } __attribute__((packed));

-#define TIUMP_GET_PORT_FROM_CODE(c) (((c) >> 4) - 3) +#define TIUMP_GET_PORT_FROM_CODE(c) (((c) >> 6) & 0x01) #define TIUMP_GET_FUNC_FROM_CODE(c) ((c) & 0x0f) #define TIUMP_INTERRUPT_CODE_LSR 0x03 #define TIUMP_INTERRUPT_CODE_MSR 0x04 diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 6b22857f6e52..58fc7964ee6b 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1119,7 +1119,7 @@ static void ti_break(struct tty_struct *tty, int break_state)

static int ti_get_port_from_code(unsigned char code) { - return (code >> 4) - 3; + return (code >> 6) & 0x01; }

static int ti_get_func_from_code(unsigned char code) diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index c267f2812a04..e227bb5b794f 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -376,6 +376,15 @@ static int queuecommand_lck(struct scsi_cmnd *srb, return 0; }

+ if ((us->fflags & US_FL_NO_ATA_1X) && + (srb->cmnd[0] == ATA_12 || srb->cmnd[0] == ATA_16)) { + memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB, + sizeof(usb_stor_sense_invalidCDB)); + srb->result = SAM_STAT_CHECK_CONDITION; + done(srb); + return 0; + } + /* enqueue the command and wake up the control thread */ srb->scsi_done = done; us->srb = srb; diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 9e9de5452860..1f7b401c4d04 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -842,6 +842,27 @@ static int uas_slave_configure(struct scsi_device *sdev) sdev->skip_ms_page_8 = 1; sdev->wce_default_on = 1; } + + /* + * Some disks return the total number of blocks in response + * to READ CAPACITY rather than the highest block number. + * If this device makes that mistake, tell the sd driver. + */ + if (devinfo->flags & US_FL_FIX_CAPACITY) + sdev->fix_capacity = 1; + + /* + * Some devices don't like MODE SENSE with page=0x3f, + * which is the command used for checking if a device + * is write-protected. Now that we tell the sd driver + * to do a 192-byte transfer with this command the + * majority of devices work fine, but a few still can't + * handle it. The sd driver will simply assume those + * devices are write-enabled. + */ + if (devinfo->flags & US_FL_NO_WP_DETECT) + sdev->skip_ms_page_3f = 1; + scsi_change_queue_depth(sdev, devinfo->qdepth - 2); return 0; } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 22fcfccf453a..f7f83b21dc74 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2288,6 +2288,13 @@ UNUSUAL_DEV( 0x2735, 0x100b, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_GO_SLOW ),

+/* Reported-by: Tim Anderson tsa@biglakesoftware.com */ +UNUSUAL_DEV( 0x2ca3, 0x0031, 0x0000, 0x9999, + "DJI", + "CineSSD", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_ATA_1X), + /* * Reported by Frederic Marchal frederic.marchal@wowcompany.com * Mio Moov 330 diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c index 2510fa728d77..de119f11b78f 100644 --- a/drivers/video/fbdev/core/modedb.c +++ b/drivers/video/fbdev/core/modedb.c @@ -644,7 +644,7 @@ static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, * * Valid mode specifiers for @mode_option: * - * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m] or + * <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][p][m] or * <name>[-<bpp>][@<refresh>] * * with <xres>, <yres>, <bpp> and <refresh> decimal numbers and @@ -653,10 +653,10 @@ static int fb_try_mode(struct fb_var_screeninfo *var, struct fb_info *info, * If 'M' is present after yres (and before refresh/bpp if present), * the function will compute the timings using VESA(tm) Coordinated * Video Timings (CVT). If 'R' is present after 'M', will compute with - * reduced blanking (for flatpanels). If 'i' is present, compute - * interlaced mode. If 'm' is present, add margins equal to 1.8% - * of xres rounded down to 8 pixels, and 1.8% of yres. The char - * 'i' and 'm' must be after 'M' and 'R'. Example: + * reduced blanking (for flatpanels). If 'i' or 'p' are present, compute + * interlaced or progressive mode. If 'm' is present, add margins equal + * to 1.8% of xres rounded down to 8 pixels, and 1.8% of yres. The chars + * 'i', 'p' and 'm' must be after 'M' and 'R'. Example: * * 1024x768MR-8@60m - Reduced blank with margins at 60Hz. * @@ -697,7 +697,8 @@ int fb_find_mode(struct fb_var_screeninfo *var, unsigned int namelen = strlen(name); int res_specified = 0, bpp_specified = 0, refresh_specified = 0; unsigned int xres = 0, yres = 0, bpp = default_bpp, refresh = 0; - int yres_specified = 0, cvt = 0, rb = 0, interlace = 0; + int yres_specified = 0, cvt = 0, rb = 0; + int interlace_specified = 0, interlace = 0; int margins = 0; u32 best, diff, tdiff;

@@ -748,9 +749,17 @@ int fb_find_mode(struct fb_var_screeninfo *var, if (!cvt) margins = 1; break; + case 'p': + if (!cvt) { + interlace = 0; + interlace_specified = 1; + } + break; case 'i': - if (!cvt) + if (!cvt) { interlace = 1; + interlace_specified = 1; + } break; default: goto done; @@ -819,11 +828,21 @@ int fb_find_mode(struct fb_var_screeninfo *var, if ((name_matches(db[i], name, namelen) || (res_specified && res_matches(db[i], xres, yres))) && !fb_try_mode(var, info, &db[i], bpp)) { - if (refresh_specified && db[i].refresh == refresh) - return 1; + const int db_interlace = (db[i].vmode & + FB_VMODE_INTERLACED ? 1 : 0); + int score = abs(db[i].refresh - refresh); + + if (interlace_specified) + score += abs(db_interlace - interlace); + + if (!interlace_specified || + db_interlace == interlace) + if (refresh_specified && + db[i].refresh == refresh) + return 1;

- if (abs(db[i].refresh - refresh) < diff) { - diff = abs(db[i].refresh - refresh); + if (score < diff) { + diff = score; best = i; } } diff --git a/drivers/video/fbdev/goldfishfb.c b/drivers/video/fbdev/goldfishfb.c index 3b70044773b6..9fe7edf725c6 100644 --- a/drivers/video/fbdev/goldfishfb.c +++ b/drivers/video/fbdev/goldfishfb.c @@ -301,6 +301,7 @@ static int goldfish_fb_remove(struct platform_device *pdev) dma_free_coherent(&pdev->dev, framesize, (void *)fb->fb.screen_base, fb->fb.fix.smem_start); iounmap(fb->reg_base); + kfree(fb); return 0; }

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 585f39efcff6..1c75f4806ed3 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -958,7 +958,7 @@ int omapfb_register_client(struct omapfb_notifier_block *omapfb_nb, { int r;

- if ((unsigned)omapfb_nb->plane_idx > OMAPFB_PLANE_NUM) + if ((unsigned)omapfb_nb->plane_idx >= OMAPFB_PLANE_NUM) return -EINVAL;

if (!notifier_inited) { diff --git a/drivers/video/fbdev/omap2/omapfb/Makefile b/drivers/video/fbdev/omap2/omapfb/Makefile index 602edfed09df..f54c3f56b641 100644 --- a/drivers/video/fbdev/omap2/omapfb/Makefile +++ b/drivers/video/fbdev/omap2/omapfb/Makefile @@ -2,5 +2,5 @@ obj-$(CONFIG_OMAP2_VRFB) += vrfb.o obj-y += dss/ obj-y += displays/ -obj-$(CONFIG_FB_OMAP2) += omapfb.o -omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o +obj-$(CONFIG_FB_OMAP2) += omap2fb.o +omap2fb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 76722a59f55e..dfe382e68287 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2128,8 +2128,8 @@ static int of_get_pxafb_display(struct device *dev, struct device_node *disp, return -EINVAL;

ret = -ENOMEM; - info->modes = kmalloc_array(timings->num_timings, - sizeof(info->modes[0]), GFP_KERNEL); + info->modes = kcalloc(timings->num_timings, sizeof(info->modes[0]), + GFP_KERNEL); if (!info->modes) goto out; info->num_modes = timings->num_timings; diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index d2f785068ef4..7bb7e90b8f00 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -19,6 +19,7 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

+#include <linux/compiler.h> #include <linux/module.h> #include <linux/seq_file.h> #include <linux/slab.h> @@ -1468,7 +1469,7 @@ static const struct file_operations viafb_vt1636_proc_fops = {

#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */

-static int viafb_sup_odev_proc_show(struct seq_file *m, void *v) +static int __maybe_unused viafb_sup_odev_proc_show(struct seq_file *m, void *v) { via_odev_to_seq(m, supported_odev_map[ viaparinfo->shared->chip_info.gfx_chip_name]); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 816cc921cf36..efae2fb0930a 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1751,7 +1751,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t, const struct user_regset *regset = &view->regsets[i]; do_thread_regset_writeback(t->task, regset); if (regset->core_note_type && regset->get && - (!regset->active || regset->active(t->task, regset))) { + (!regset->active || regset->active(t->task, regset) > 0)) { int ret; size_t size = regset_size(t->task, regset); void *data = kmalloc(size, GFP_KERNEL); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index eeab81c9452f..e169e1a5fd35 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -376,8 +376,15 @@ static char *nxt_dir_entry(char *old_entry, char *end_of_smb, int level)

new_entry = old_entry + sizeof(FIND_FILE_STANDARD_INFO) + pfData->FileNameLength; - } else - new_entry = old_entry + le32_to_cpu(pDirInfo->NextEntryOffset); + } else { + u32 next_offset = le32_to_cpu(pDirInfo->NextEntryOffset); + + if (old_entry + next_offset < old_entry) { + cifs_dbg(VFS, "invalid offset %u\n", next_offset); + return NULL; + } + new_entry = old_entry + next_offset; + } cifs_dbg(FYI, "new entry %p old entry %p\n", new_entry, old_entry); /* validate that new_entry is not past end of SMB */ if (new_entry >= end_of_smb) { diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 82be1dfeca33..29cce842ed04 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2418,14 +2418,14 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, /* We check for obvious errors in the output buffer length and offset */ if (*plen == 0) goto ioctl_exit; /* server returned no data */ - else if (*plen > 0xFF00) { + else if (*plen > rsp_iov.iov_len || *plen > 0xFF00) { cifs_dbg(VFS, "srv returned invalid ioctl length: %d\n", *plen); *plen = 0; rc = -EIO; goto ioctl_exit; }

- if (rsp_iov.iov_len < le32_to_cpu(rsp->OutputOffset) + *plen) { + if (rsp_iov.iov_len - *plen < le32_to_cpu(rsp->OutputOffset)) { cifs_dbg(VFS, "Malformed ioctl resp: len %d offset %d\n", *plen, le32_to_cpu(rsp->OutputOffset)); *plen = 0; @@ -3492,33 +3492,38 @@ num_entries(char *bufstart, char *end_of_buf, char **lastentry, size_t size) int len; unsigned int entrycount = 0; unsigned int next_offset = 0; - FILE_DIRECTORY_INFO *entryptr; + char *entryptr; + FILE_DIRECTORY_INFO *dir_info;

if (bufstart == NULL) return 0;

- entryptr = (FILE_DIRECTORY_INFO *)bufstart; + entryptr = bufstart;

while (1) { - entryptr = (FILE_DIRECTORY_INFO *) - ((char *)entryptr + next_offset); - - if ((char *)entryptr + size > end_of_buf) { + if (entryptr + next_offset < entryptr || + entryptr + next_offset > end_of_buf || + entryptr + next_offset + size > end_of_buf) { cifs_dbg(VFS, "malformed search entry would overflow\n"); break; }

- len = le32_to_cpu(entryptr->FileNameLength); - if ((char *)entryptr + len + size > end_of_buf) { + entryptr = entryptr + next_offset; + dir_info = (FILE_DIRECTORY_INFO *)entryptr; + + len = le32_to_cpu(dir_info->FileNameLength); + if (entryptr + len < entryptr || + entryptr + len > end_of_buf || + entryptr + len + size > end_of_buf) { cifs_dbg(VFS, "directory entry name would overflow frame end of buf %p\n", end_of_buf); break; }

- *lastentry = (char *)entryptr; + *lastentry = entryptr; entrycount++;

- next_offset = le32_to_cpu(entryptr->NextEntryOffset); + next_offset = le32_to_cpu(dir_info->NextEntryOffset); if (!next_offset) break; } diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 577cff24707b..39843fa7e11b 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1777,6 +1777,16 @@ void configfs_unregister_group(struct config_group *group) struct dentry *dentry = group->cg_item.ci_dentry; struct dentry *parent = group->cg_item.ci_parent->ci_dentry;

+ mutex_lock(&subsys->su_mutex); + if (!group->cg_item.ci_parent->ci_group) { + /* + * The parent has already been unlinked and detached + * due to a rmdir. + */ + goto unlink_group; + } + mutex_unlock(&subsys->su_mutex); + inode_lock_nested(d_inode(parent), I_MUTEX_PARENT); spin_lock(&configfs_dirent_lock); configfs_detach_prep(dentry, NULL); @@ -1791,6 +1801,7 @@ void configfs_unregister_group(struct config_group *group) dput(dentry);

mutex_lock(&subsys->su_mutex); +unlink_group: unlink_group(group); mutex_unlock(&subsys->su_mutex); } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 128d489acebb..742147cbe759 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3106,9 +3106,19 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags, static void kill_f2fs_super(struct super_block *sb) { if (sb->s_root) { - set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE); - f2fs_stop_gc_thread(F2FS_SB(sb)); - f2fs_stop_discard_thread(F2FS_SB(sb)); + struct f2fs_sb_info *sbi = F2FS_SB(sb); + + set_sbi_flag(sbi, SBI_IS_CLOSE); + f2fs_stop_gc_thread(sbi); + f2fs_stop_discard_thread(sbi); + + if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || + !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { + struct cp_control cpc = { + .reason = CP_UMOUNT, + }; + f2fs_write_checkpoint(sbi, &cpc); + } } kill_block_super(sb); } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index ed6699705c13..fd5bea55fd60 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -2060,7 +2060,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, end_of_file = (i_size_read(&ip->i_inode) + sdp->sd_sb.sb_bsize - 1) >> shift; lblock = offset >> shift; lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; - if (lblock_stop > end_of_file) + if (lblock_stop > end_of_file && ip != GFS2_I(sdp->sd_rindex)) return 1;

size = (lblock_stop - lblock) << shift; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 33abcf29bc05..b86249ebde11 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1686,7 +1686,8 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,

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

diff --git a/fs/namespace.c b/fs/namespace.c index bd2f4c68506a..1949e0939d40 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -446,10 +446,10 @@ int mnt_want_write_file_path(struct file *file) { int ret;

- sb_start_write(file->f_path.mnt->mnt_sb); + sb_start_write(file_inode(file)->i_sb); ret = __mnt_want_write_file(file); if (ret) - sb_end_write(file->f_path.mnt->mnt_sb); + sb_end_write(file_inode(file)->i_sb); return ret; }

@@ -540,7 +540,8 @@ void __mnt_drop_write_file(struct file *file)

void mnt_drop_write_file_path(struct file *file) { - mnt_drop_write(file->f_path.mnt); + __mnt_drop_write_file(file); + sb_end_write(file_inode(file)->i_sb); }

void mnt_drop_write_file(struct file *file) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index ff98e2a3f3cc..f688338b0482 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2642,14 +2642,18 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state) }

nfs4_stateid_copy(&stateid, &delegation->stateid); - if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags) || - !test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, - &delegation->flags)) { + if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) { rcu_read_unlock(); nfs_finish_clear_delegation_stateid(state, &stateid); return; }

+ if (!test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, + &delegation->flags)) { + rcu_read_unlock(); + return; + } + cred = get_rpccred(delegation->cred); rcu_read_unlock(); status = nfs41_test_and_free_expired_stateid(server, &stateid, cred); diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 2bf2eaa08ca7..3c18c12a5c4c 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1390,6 +1390,8 @@ int nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4_

if (!nfs4_state_mark_reclaim_nograce(clp, state)) return -EBADF; + nfs_inode_find_delegation_state_and_recover(state->inode, + &state->stateid); dprintk("%s: scheduling stateid recovery for server %s\n", __func__, clp->cl_hostname); nfs4_schedule_state_manager(clp); diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index a275fba93170..708342f4692f 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -1194,7 +1194,7 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_callback_event, TP_fast_assign( __entry->error = error; __entry->fhandle = nfs_fhandle_hash(fhandle); - if (inode != NULL) { + if (!IS_ERR_OR_NULL(inode)) { __entry->fileid = NFS_FILEID(inode); __entry->dev = inode->i_sb->s_dev; } else { diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 704b37311467..fa2121f877c1 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -970,16 +970,6 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path *upperpath) if (err) goto out;

- err = -EBUSY; - if (ovl_inuse_trylock(upperpath->dentry)) { - ofs->upperdir_locked = true; - } else if (ofs->config.index) { - pr_err("overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.\n"); - goto out; - } else { - pr_warn("overlayfs: upperdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n"); - } - upper_mnt = clone_private_mount(upperpath); err = PTR_ERR(upper_mnt); if (IS_ERR(upper_mnt)) { @@ -990,6 +980,17 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path *upperpath) /* Don't inherit atime flags */ upper_mnt->mnt_flags &= ~(MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME); ofs->upper_mnt = upper_mnt; + + err = -EBUSY; + if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) { + ofs->upperdir_locked = true; + } else if (ofs->config.index) { + pr_err("overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.\n"); + goto out; + } else { + pr_warn("overlayfs: upperdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n"); + } + err = 0; out: return err; @@ -1089,8 +1090,10 @@ static int ovl_get_workdir(struct ovl_fs *ofs, struct path *upperpath) goto out; }

+ ofs->workbasedir = dget(workpath.dentry); + err = -EBUSY; - if (ovl_inuse_trylock(workpath.dentry)) { + if (ovl_inuse_trylock(ofs->workbasedir)) { ofs->workdir_locked = true; } else if (ofs->config.index) { pr_err("overlayfs: workdir is in-use by another mount, mount with '-o index=off' to override exclusive workdir protection.\n"); @@ -1099,7 +1102,6 @@ static int ovl_get_workdir(struct ovl_fs *ofs, struct path *upperpath) pr_warn("overlayfs: workdir is in-use by another mount, accessing files from both mounts will result in undefined behavior.\n"); }

- ofs->workbasedir = dget(workpath.dentry); err = ovl_make_workdir(ofs, &workpath); if (err) goto out; diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index 951a14edcf51..0792595ebcfb 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -429,7 +429,12 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t size, vaddr = vmap(pages, page_count, VM_MAP, prot); kfree(pages);

- return vaddr; + /* + * Since vmap() uses page granularity, we must add the offset + * into the page here, to get the byte granularity address + * into the mapping to represent the actual "start" location. + */ + return vaddr + offset_in_page(start); }

static void *persistent_ram_iomap(phys_addr_t start, size_t size, @@ -448,6 +453,11 @@ static void *persistent_ram_iomap(phys_addr_t start, size_t size, else va = ioremap_wc(start, size);

+ /* + * Since request_mem_region() and ioremap() are byte-granularity + * there is no need handle anything special like we do when the + * vmap() case in persistent_ram_vmap() above. + */ return va; }

@@ -468,7 +478,7 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size, return -ENOMEM; }

- prz->buffer = prz->vaddr + offset_in_page(start); + prz->buffer = prz->vaddr; prz->buffer_size = size - sizeof(struct persistent_ram_buffer);

return 0; @@ -515,7 +525,8 @@ void persistent_ram_free(struct persistent_ram_zone *prz)

if (prz->vaddr) { if (pfn_valid(prz->paddr >> PAGE_SHIFT)) { - vunmap(prz->vaddr); + /* We must vunmap() at page-granularity. */ + vunmap(prz->vaddr - offset_in_page(prz->paddr)); } else { iounmap(prz->vaddr); release_mem_region(prz->paddr, prz->size); diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 6eb06101089f..e8839d3a7559 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -112,6 +112,11 @@ */ #define CRYPTO_ALG_OPTIONAL_KEY 0x00004000

+/* + * Don't trigger module loading + */ +#define CRYPTO_NOLOAD 0x00008000 + /* * Transform masks and values (for crt_flags). */ diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 83957920653a..64f450593b54 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -357,7 +357,7 @@ struct mlx5_frag_buf { struct mlx5_frag_buf_ctrl { struct mlx5_frag_buf frag_buf; u32 sz_m1; - u32 frag_sz_m1; + u16 frag_sz_m1; u32 strides_offset; u8 log_sz; u8 log_stride; @@ -1042,7 +1042,7 @@ int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); void mlx5_health_cleanup(struct mlx5_core_dev *dev); int mlx5_health_init(struct mlx5_core_dev *dev); void mlx5_start_health_poll(struct mlx5_core_dev *dev); -void mlx5_stop_health_poll(struct mlx5_core_dev *dev); +void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health); void mlx5_drain_health_wq(struct mlx5_core_dev *dev); void mlx5_trigger_health_work(struct mlx5_core_dev *dev); void mlx5_drain_health_recovery(struct mlx5_core_dev *dev); diff --git a/include/linux/of.h b/include/linux/of.h index 4d25e4f952d9..b99a1a8c2952 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -290,6 +290,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node, extern struct device_node *of_get_next_available_child( const struct device_node *node, struct device_node *prev);

+extern struct device_node *of_get_compatible_child(const struct device_node *parent, + const char *compatible); extern struct device_node *of_get_child_by_name(const struct device_node *node, const char *name);

@@ -632,6 +634,12 @@ static inline bool of_have_populated_dt(void) return false; }

+static inline struct device_node *of_get_compatible_child(const struct device_node *parent, + const char *compatible) +{ + return NULL; +} + static inline struct device_node *of_get_child_by_name( const struct device_node *node, const char *name) diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index c17c0c268436..dce35e16bff4 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -419,6 +419,13 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list) struct path parent_path; int h, ret = 0;

+ /* + * When we will be calling audit_add_to_parent, krule->watch might have + * been updated and watch might have been freed. + * So we need to keep a reference of watch. + */ + audit_get_watch(watch); + mutex_unlock(&audit_filter_mutex);

/* Avoid calling path_lookup under audit_filter_mutex. */ @@ -427,8 +434,10 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list) /* caller expects mutex locked */ mutex_lock(&audit_filter_mutex);

- if (ret) + if (ret) { + audit_put_watch(watch); return ret; + }

/* either find an old parent or attach a new one */ parent = audit_find_parent(d_backing_inode(parent_path.dentry)); @@ -446,6 +455,7 @@ int audit_add_watch(struct audit_krule *krule, struct list_head **list) *list = &audit_inode_hash[h]; error: path_put(&parent_path); + audit_put_watch(watch); return ret; }

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index 3d83ee7df381..badabb0b435c 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -95,7 +95,7 @@ static int compute_effective_progs(struct cgroup *cgrp, enum bpf_attach_type type, struct bpf_prog_array __rcu **array) { - struct bpf_prog_array __rcu *progs; + struct bpf_prog_array *progs; struct bpf_prog_list *pl; struct cgroup *p = cgrp; int cnt = 0; @@ -120,13 +120,12 @@ static int compute_effective_progs(struct cgroup *cgrp, &p->bpf.progs[type], node) { if (!pl->prog) continue; - rcu_dereference_protected(progs, 1)-> - progs[cnt++] = pl->prog; + progs->progs[cnt++] = pl->prog; } p = cgroup_parent(p); } while (p);

- *array = progs; + rcu_assign_pointer(*array, progs); return 0; }

diff --git a/kernel/events/core.c b/kernel/events/core.c index eec2d5fb676b..c7b3e34811ec 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5948,6 +5948,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, unsigned long sp; unsigned int rem; u64 dyn_size; + mm_segment_t fs;

/* * We dump: @@ -5965,7 +5966,10 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size,

/* Data. */ sp = perf_user_stack_pointer(regs); + fs = get_fs(); + set_fs(USER_DS); rem = __output_copy_user(handle, (void *) sp, dump_size); + set_fs(fs); dyn_size = dump_size - rem;

perf_output_skip(handle, rem); diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 42fcb7f05fac..f42cf69ef539 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1446,7 +1446,7 @@ static int rcu_torture_stall(void *args) VERBOSE_TOROUT_STRING("rcu_torture_stall end holdoff"); } if (!kthread_should_stop()) { - stop_at = get_seconds() + stall_cpu; + stop_at = ktime_get_seconds() + stall_cpu; /* RCU CPU stall is expected behavior in following code. */ rcu_read_lock(); if (stall_cpu_irqsoff) @@ -1455,7 +1455,8 @@ static int rcu_torture_stall(void *args) preempt_disable(); pr_alert("rcu_torture_stall start on CPU %d.\n", smp_processor_id()); - while (ULONG_CMP_LT(get_seconds(), stop_at)) + while (ULONG_CMP_LT((unsigned long)ktime_get_seconds(), + stop_at)) continue; /* Induce RCU CPU stall warning. */ if (stall_cpu_irqsoff) local_irq_enable(); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 9c219f7b0970..478d9d3e6be9 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -735,11 +735,12 @@ static void attach_entity_cfs_rq(struct sched_entity *se); * To solve this problem, we also cap the util_avg of successive tasks to * only 1/2 of the left utilization budget: * - * util_avg_cap = (1024 - cfs_rq->avg.util_avg) / 2^n + * util_avg_cap = (cpu_scale - cfs_rq->avg.util_avg) / 2^n * - * where n denotes the nth task. + * where n denotes the nth task and cpu_scale the CPU capacity. * - * For example, a simplest series from the beginning would be like: + * For example, for a CPU with 1024 of capacity, a simplest series from + * the beginning would be like: * * task util_avg: 512, 256, 128, 64, 32, 16, 8, ... * cfs_rq util_avg: 512, 768, 896, 960, 992, 1008, 1016, ... @@ -751,7 +752,8 @@ void post_init_entity_util_avg(struct sched_entity *se) { struct cfs_rq *cfs_rq = cfs_rq_of(se); struct sched_avg *sa = &se->avg; - long cap = (long)(SCHED_CAPACITY_SCALE - cfs_rq->avg.util_avg) / 2; + long cpu_scale = arch_scale_cpu_capacity(NULL, cpu_of(rq_of(cfs_rq))); + long cap = (long)(cpu_scale - cfs_rq->avg.util_avg) / 2;

if (cap > 0) { if (cfs_rq->avg.util_avg != 0) { diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index 928be527477e..a7a2aaa3026a 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -392,35 +392,36 @@ static inline bool is_kthread_should_stop(void) * if (condition) * break; * - * p->state = mode; condition = true; - * smp_mb(); // A smp_wmb(); // C - * if (!wq_entry->flags & WQ_FLAG_WOKEN) wq_entry->flags |= WQ_FLAG_WOKEN; - * schedule() try_to_wake_up(); - * p->state = TASK_RUNNING; ~~~~~~~~~~~~~~~~~~ - * wq_entry->flags &= ~WQ_FLAG_WOKEN; condition = true; - * smp_mb() // B smp_wmb(); // C - * wq_entry->flags |= WQ_FLAG_WOKEN; - * } - * remove_wait_queue(&wq_head, &wait); + * // in wait_woken() // in woken_wake_function() * + * p->state = mode; wq_entry->flags |= WQ_FLAG_WOKEN; + * smp_mb(); // A try_to_wake_up(): + * if (!(wq_entry->flags & WQ_FLAG_WOKEN)) <full barrier> + * schedule() if (p->state & mode) + * p->state = TASK_RUNNING; p->state = TASK_RUNNING; + * wq_entry->flags &= ~WQ_FLAG_WOKEN; ~~~~~~~~~~~~~~~~~~ + * smp_mb(); // B condition = true; + * } smp_mb(); // C + * remove_wait_queue(&wq_head, &wait); wq_entry->flags |= WQ_FLAG_WOKEN; */ long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout) { - set_current_state(mode); /* A */ /* - * The above implies an smp_mb(), which matches with the smp_wmb() from - * woken_wake_function() such that if we observe WQ_FLAG_WOKEN we must - * also observe all state before the wakeup. + * The below executes an smp_mb(), which matches with the full barrier + * executed by the try_to_wake_up() in woken_wake_function() such that + * either we see the store to wq_entry->flags in woken_wake_function() + * or woken_wake_function() sees our store to current->state. */ + set_current_state(mode); /* A */ if (!(wq_entry->flags & WQ_FLAG_WOKEN) && !is_kthread_should_stop()) timeout = schedule_timeout(timeout); __set_current_state(TASK_RUNNING);

/* - * The below implies an smp_mb(), it too pairs with the smp_wmb() from - * woken_wake_function() such that we must either observe the wait - * condition being true _OR_ WQ_FLAG_WOKEN such that we will not miss - * an event. + * The below executes an smp_mb(), which matches with the smp_mb() (C) + * in woken_wake_function() such that either we see the wait condition + * being true or the store to wq_entry->flags in woken_wake_function() + * follows ours in the coherence order. */ smp_store_mb(wq_entry->flags, wq_entry->flags & ~WQ_FLAG_WOKEN); /* B */

@@ -430,14 +431,8 @@ EXPORT_SYMBOL(wait_woken);

int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key) { - /* - * Although this function is called under waitqueue lock, LOCK - * doesn't imply write barrier and the users expects write - * barrier semantics on wakeup functions. The following - * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up() - * and is paired with smp_store_mb() in wait_woken(). - */ - smp_wmb(); /* C */ + /* Pairs with the smp_store_mb() in wait_woken(). */ + smp_mb(); /* C */ wq_entry->flags |= WQ_FLAG_WOKEN;

return default_wake_function(wq_entry, mode, sync, key); diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 3264e1873219..deacc52d7ff1 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -159,7 +159,7 @@ void bt_accept_enqueue(struct sock *parent, struct sock *sk) BT_DBG("parent %p, sk %p", parent, sk);

sock_hold(sk); - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q); bt_sk(sk)->parent = parent; release_sock(sk); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index fb35b62af272..3680912f056a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -939,9 +939,6 @@ struct ubuf_info *sock_zerocopy_alloc(struct sock *sk, size_t size)

WARN_ON_ONCE(!in_task());

- if (!sock_flag(sk, SOCK_ZEROCOPY)) - return NULL; - skb = sock_omalloc(sk, 0, GFP_KERNEL); if (!skb) return NULL; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 055f4bbba86b..41883c34a385 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -178,6 +178,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info,

if (tpi->proto == htons(ETH_P_TEB)) itn = net_generic(net, gre_tap_net_id); + else if (tpi->proto == htons(ETH_P_ERSPAN) || + tpi->proto == htons(ETH_P_ERSPAN2)) + itn = net_generic(net, erspan_net_id); else itn = net_generic(net, ipgre_net_id);

@@ -328,6 +331,8 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi, ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error); return PACKET_RCVD; } + return PACKET_REJECT; + drop: kfree_skb(skb); return PACKET_RCVD; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4491faf83f4f..086201d96d54 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1186,7 +1186,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)

flags = msg->msg_flags;

- if (flags & MSG_ZEROCOPY && size) { + if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) { if (sk->sk_state != TCP_ESTABLISHED) { err = -EINVAL; goto out_err; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index bdf6fa78d0d2..aa082b71d2e4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -495,7 +495,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, goto out_unlock; }

- ieee80211_key_free(key, true); + ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);

ret = 0; out_unlock: diff --git a/net/mac80211/key.c b/net/mac80211/key.c index ee0d0cc8dc3b..c054ac85793c 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -656,11 +656,15 @@ int ieee80211_key_link(struct ieee80211_key *key, { struct ieee80211_local *local = sdata->local; struct ieee80211_key *old_key; - int idx, ret; - bool pairwise; - - pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE; - idx = key->conf.keyidx; + int idx = key->conf.keyidx; + bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE; + /* + * We want to delay tailroom updates only for station - in that + * case it helps roaming speed, but in other cases it hurts and + * can cause warnings to appear. + */ + bool delay_tailroom = sdata->vif.type == NL80211_IFTYPE_STATION; + int ret;

mutex_lock(&sdata->local->key_mtx);

@@ -688,14 +692,14 @@ int ieee80211_key_link(struct ieee80211_key *key, increment_tailroom_need_count(sdata);

ieee80211_key_replace(sdata, sta, pairwise, old_key, key); - ieee80211_key_destroy(old_key, true); + ieee80211_key_destroy(old_key, delay_tailroom);

ieee80211_debugfs_key_add(key);

if (!local->wowlan) { ret = ieee80211_key_enable_hw_accel(key); if (ret) - ieee80211_key_free(key, true); + ieee80211_key_free(key, delay_tailroom); } else { ret = 0; } @@ -930,7 +934,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local, ieee80211_key_replace(key->sdata, key->sta, key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, key, NULL); - __ieee80211_key_destroy(key, true); + __ieee80211_key_destroy(key, key->sdata->vif.type == + NL80211_IFTYPE_STATION); }

for (i = 0; i < NUM_DEFAULT_KEYS; i++) { @@ -940,7 +945,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local, ieee80211_key_replace(key->sdata, key->sta, key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE, key, NULL); - __ieee80211_key_destroy(key, true); + __ieee80211_key_destroy(key, key->sdata->vif.type == + NL80211_IFTYPE_STATION); }

mutex_unlock(&local->key_mtx); diff --git a/net/rds/bind.c b/net/rds/bind.c index 5aa3a64aa4f0..48257d3a4201 100644 --- a/net/rds/bind.c +++ b/net/rds/bind.c @@ -60,11 +60,13 @@ struct rds_sock *rds_find_bound(__be32 addr, __be16 port) u64 key = ((u64)addr << 32) | port; struct rds_sock *rs;

- rs = rhashtable_lookup_fast(&bind_hash_table, &key, ht_parms); + rcu_read_lock(); + rs = rhashtable_lookup(&bind_hash_table, &key, ht_parms); if (rs && !sock_flag(rds_rs_to_sk(rs), SOCK_DEAD)) rds_sock_addref(rs); else rs = NULL; + rcu_read_unlock();

rdsdebug("returning rs %p for %pI4:%u\n", rs, &addr, ntohs(port)); @@ -157,6 +159,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; }

+ sock_set_flag(sk, SOCK_RCU_FREE); ret = rds_add_bound(rs, sin->sin_addr.s_addr, &sin->sin_port); if (ret) goto out; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 0a5fa347135e..ac8ca238c541 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -578,6 +578,7 @@ static int tipc_release(struct socket *sock) sk_stop_timer(sk, &sk->sk_timer); tipc_sk_remove(tsk);

+ sock_orphan(sk); /* Reject any messages that accumulated in backlog queue */ release_sock(sk); tipc_dest_list_purge(&tsk->cong_links); diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 1f3d9789af30..b3344bbe336b 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -149,6 +149,9 @@ static int alloc_encrypted_sg(struct sock *sk, int len) &ctx->sg_encrypted_num_elem, &ctx->sg_encrypted_size, 0);

+ if (rc == -ENOSPC) + ctx->sg_encrypted_num_elem = ARRAY_SIZE(ctx->sg_encrypted_data); + return rc; }

@@ -162,6 +165,9 @@ static int alloc_plaintext_sg(struct sock *sk, int len) &ctx->sg_plaintext_num_elem, &ctx->sg_plaintext_size, tls_ctx->pending_open_record_frags);

+ if (rc == -ENOSPC) + ctx->sg_plaintext_num_elem = ARRAY_SIZE(ctx->sg_plaintext_data); + return rc; }

@@ -280,7 +286,7 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from, int length, int *pages_used, unsigned int *size_used, struct scatterlist *to, int to_max_pages, - bool charge) + bool charge, bool revert) { struct page *pages[MAX_SKB_FRAGS];

@@ -331,6 +337,8 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from, out: *size_used = size; *pages_used = num_elem; + if (revert) + iov_iter_revert(from, size);

return rc; } @@ -432,7 +440,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) &ctx->sg_plaintext_size, ctx->sg_plaintext_data, ARRAY_SIZE(ctx->sg_plaintext_data), - true); + true, false); if (ret) goto fallback_to_reg_send;

@@ -820,7 +828,7 @@ int tls_sw_recvmsg(struct sock *sk, err = zerocopy_from_iter(sk, &msg->msg_iter, to_copy, &pages, &chunk, &sgin[1], - MAX_SKB_FRAGS, false); + MAX_SKB_FRAGS, false, true); if (err < 0) goto fallback_to_reg_recv;

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 7c5e8978aeaa..a94983e03a8b 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1831,7 +1831,10 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols, /* Try to instantiate a bundle */ err = xfrm_tmpl_resolve(pols, num_pols, fl, xfrm, family); if (err <= 0) { - if (err != 0 && err != -EAGAIN) + if (err == 0) + return NULL; + + if (err != -EAGAIN) XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTPOLERROR); return ERR_PTR(err); } diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 86321f06461e..ed303f552f9d 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -400,3 +400,6 @@ endif endef # ############################################################################### + +# delete partially updated (i.e. corrupted) files on error +.DELETE_ON_ERROR: diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index b60524310855..c20e3142b541 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -97,7 +97,8 @@ static struct shash_desc *init_desc(char type) mutex_lock(&mutex); if (*tfm) goto out; - *tfm = crypto_alloc_shash(algo, 0, CRYPTO_ALG_ASYNC); + *tfm = crypto_alloc_shash(algo, 0, + CRYPTO_ALG_ASYNC | CRYPTO_NOLOAD); if (IS_ERR(*tfm)) { rc = PTR_ERR(*tfm); pr_err("Can not allocate %s (reason: %ld)\n", algo, rc); diff --git a/security/security.c b/security/security.c index 68f46d849abe..4e572b38937d 100644 --- a/security/security.c +++ b/security/security.c @@ -118,6 +118,8 @@ static int lsm_append(char *new, char **result)

if (*result == NULL) { *result = kstrdup(new, GFP_KERNEL); + if (*result == NULL) + return -ENOMEM; } else { /* Check if it is the last registered name */ if (match_last_lsm(*result, new)) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 19de675d4504..8b6cd5a79bfa 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -3924,15 +3924,19 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) struct smack_known *skp = NULL; int rc = 0; struct smk_audit_info ad; + u16 family = sk->sk_family; #ifdef CONFIG_AUDIT struct lsm_network_audit net; #endif #if IS_ENABLED(CONFIG_IPV6) struct sockaddr_in6 sadd; int proto; + + if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP)) + family = PF_INET; #endif /* CONFIG_IPV6 */

- switch (sk->sk_family) { + switch (family) { case PF_INET: #ifdef CONFIG_SECURITY_SMACK_NETFILTER /* @@ -3950,7 +3954,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) */ netlbl_secattr_init(&secattr);

- rc = netlbl_skbuff_getattr(skb, sk->sk_family, &secattr); + rc = netlbl_skbuff_getattr(skb, family, &secattr); if (rc == 0) skp = smack_from_secattr(&secattr, ssp); else @@ -3963,7 +3967,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) #endif #ifdef CONFIG_AUDIT smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); - ad.a.u.net->family = sk->sk_family; + ad.a.u.net->family = family; ad.a.u.net->netif = skb->skb_iif; ipv4_skb_to_auditdata(skb, &ad.a, NULL); #endif @@ -3977,7 +3981,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) rc = smk_bu_note("IPv4 delivery", skp, ssp->smk_in, MAY_WRITE, rc); if (rc != 0) - netlbl_skbuff_err(skb, sk->sk_family, rc, 0); + netlbl_skbuff_err(skb, family, rc, 0); break; #if IS_ENABLED(CONFIG_IPV6) case PF_INET6: @@ -3993,7 +3997,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) skp = smack_net_ambient; #ifdef CONFIG_AUDIT smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net); - ad.a.u.net->family = sk->sk_family; + ad.a.u.net->family = family; ad.a.u.net->netif = skb->skb_iif; ipv6_skb_to_auditdata(skb, &ad.a, NULL); #endif /* CONFIG_AUDIT */ diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 44b5ae833082..a4aac948ea49 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -626,27 +626,33 @@ EXPORT_SYMBOL(snd_interval_refine);

static int snd_interval_refine_first(struct snd_interval *i) { + const unsigned int last_max = i->max; + if (snd_BUG_ON(snd_interval_empty(i))) return -EINVAL; if (snd_interval_single(i)) return 0; i->max = i->min; - i->openmax = i->openmin; - if (i->openmax) + if (i->openmin) i->max++; + /* only exclude max value if also excluded before refine */ + i->openmax = (i->openmax && i->max >= last_max); return 1; }

static int snd_interval_refine_last(struct snd_interval *i) { + const unsigned int last_min = i->min; + if (snd_BUG_ON(snd_interval_empty(i))) return -EINVAL; if (snd_interval_single(i)) return 0; i->min = i->max; - i->openmin = i->openmax; - if (i->openmin) + if (i->openmax) i->min--; + /* only exclude min value if also excluded before refine */ + i->openmin = (i->openmin && i->min <= last_min); return 1; }

diff --git a/sound/isa/msnd/msnd_pinnacle.c b/sound/isa/msnd/msnd_pinnacle.c index 6c584d9b6c42..a19f802b2071 100644 --- a/sound/isa/msnd/msnd_pinnacle.c +++ b/sound/isa/msnd/msnd_pinnacle.c @@ -82,10 +82,10 @@

static void set_default_audio_parameters(struct snd_msnd *chip) { - chip->play_sample_size = DEFSAMPLESIZE; + chip->play_sample_size = snd_pcm_format_width(DEFSAMPLESIZE); chip->play_sample_rate = DEFSAMPLERATE; chip->play_channels = DEFCHANNELS; - chip->capture_sample_size = DEFSAMPLESIZE; + chip->capture_sample_size = snd_pcm_format_width(DEFSAMPLESIZE); chip->capture_sample_rate = DEFSAMPLERATE; chip->capture_channels = DEFCHANNELS; } diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 38e4a8515709..d00734d31e04 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -291,10 +291,6 @@ static const struct snd_soc_dapm_widget hdmi_widgets[] = { SND_SOC_DAPM_OUTPUT("TX"), };

-static const struct snd_soc_dapm_route hdmi_routes[] = { - { "TX", NULL, "Playback" }, -}; - enum { DAI_ID_I2S = 0, DAI_ID_SPDIF, @@ -689,9 +685,23 @@ static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd, return snd_ctl_add(rtd->card->snd_card, kctl); }

+static int hdmi_dai_probe(struct snd_soc_dai *dai) +{ + struct snd_soc_dapm_context *dapm; + struct snd_soc_dapm_route route = { + .sink = "TX", + .source = dai->driver->playback.stream_name, + }; + + dapm = snd_soc_component_get_dapm(dai->component); + + return snd_soc_dapm_add_routes(dapm, &route, 1); +} + static const struct snd_soc_dai_driver hdmi_i2s_dai = { .name = "i2s-hifi", .id = DAI_ID_I2S, + .probe = hdmi_dai_probe, .playback = { .stream_name = "I2S Playback", .channels_min = 2, @@ -707,6 +717,7 @@ static const struct snd_soc_dai_driver hdmi_i2s_dai = { static const struct snd_soc_dai_driver hdmi_spdif_dai = { .name = "spdif-hifi", .id = DAI_ID_SPDIF, + .probe = hdmi_dai_probe, .playback = { .stream_name = "SPDIF Playback", .channels_min = 2, @@ -733,8 +744,6 @@ static int hdmi_of_xlate_dai_id(struct snd_soc_component *component, static const struct snd_soc_component_driver hdmi_driver = { .dapm_widgets = hdmi_widgets, .num_dapm_widgets = ARRAY_SIZE(hdmi_widgets), - .dapm_routes = hdmi_routes, - .num_dapm_routes = ARRAY_SIZE(hdmi_routes), .of_xlate_dai_id = hdmi_of_xlate_dai_id, .idle_bias_on = 1, .use_pmdown_time = 1, diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 1570b91bf018..dca82dd6e3bf 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -64,8 +64,8 @@ static const struct reg_sequence rt5514_patch[] = { {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, {RT5514_ASRC_IN_CTRL1, 0x00000003}, - {RT5514_DOWNFILTER0_CTRL3, 0x10000362}, - {RT5514_DOWNFILTER1_CTRL3, 0x10000362}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000352}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000352}, };

static const struct reg_default rt5514_reg[] = { @@ -92,10 +92,10 @@ static const struct reg_default rt5514_reg[] = { {RT5514_ASRC_IN_CTRL1, 0x00000003}, {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER0_CTRL3, 0x10000362}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000352}, {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER1_CTRL3, 0x10000362}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000352}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_LDO18_16, 0x02000345}, {RT5514_ANA_CTRL_ADC12, 0x0000a2a8}, diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c index 6b5669f3e85d..39d2c67cd064 100644 --- a/sound/soc/codecs/rt5651.c +++ b/sound/soc/codecs/rt5651.c @@ -1696,6 +1696,13 @@ static irqreturn_t rt5651_irq(int irq, void *data) return IRQ_HANDLED; }

+static void rt5651_cancel_work(void *data) +{ + struct rt5651_priv *rt5651 = data; + + cancel_work_sync(&rt5651->jack_detect_work); +} + static int rt5651_set_jack(struct snd_soc_component *component, struct snd_soc_jack *hp_jack, void *data) { @@ -2036,6 +2043,11 @@ static int rt5651_i2c_probe(struct i2c_client *i2c,

INIT_WORK(&rt5651->jack_detect_work, rt5651_jack_detect_work);

+ /* Make sure work is stopped on probe-error / remove */ + ret = devm_add_action_or_reset(&i2c->dev, rt5651_cancel_work, rt5651); + if (ret) + return ret; + ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_rt5651, rt5651_dai, ARRAY_SIZE(rt5651_dai)); @@ -2043,15 +2055,6 @@ static int rt5651_i2c_probe(struct i2c_client *i2c, return ret; }

-static int rt5651_i2c_remove(struct i2c_client *i2c) -{ - struct rt5651_priv *rt5651 = i2c_get_clientdata(i2c); - - cancel_work_sync(&rt5651->jack_detect_work); - - return 0; -} - static struct i2c_driver rt5651_i2c_driver = { .driver = { .name = "rt5651", @@ -2059,7 +2062,6 @@ static struct i2c_driver rt5651_i2c_driver = { .of_match_table = of_match_ptr(rt5651_of_match), }, .probe = rt5651_i2c_probe, - .remove = rt5651_i2c_remove, .id_table = rt5651_i2c_id, }; module_i2c_driver(rt5651_i2c_driver); diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c index 5002dd05bf27..f8298be7038f 100644 --- a/sound/soc/qcom/qdsp6/q6afe-dai.c +++ b/sound/soc/qcom/qdsp6/q6afe-dai.c @@ -1180,7 +1180,7 @@ static void of_q6afe_parse_dai_data(struct device *dev, int id, i, num_lines;

ret = of_property_read_u32(node, "reg", &id); - if (ret || id > AFE_PORT_MAX) { + if (ret || id < 0 || id >= AFE_PORT_MAX) { dev_err(dev, "valid dai id not found:%d\n", ret); continue; } diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 8aac48f9c322..08aa78007020 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2875,7 +2875,8 @@ YAMAHA_DEVICE(0x7010, "UB99"), */

#define AU0828_DEVICE(vid, pid, vname, pname) { \ - USB_DEVICE_VENDOR_SPEC(vid, pid), \ + .idVendor = vid, \ + .idProduct = pid, \ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ USB_DEVICE_ID_MATCH_INT_CLASS | \ USB_DEVICE_ID_MATCH_INT_SUBCLASS, \ diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 02b6cc02767f..dde87d64bc32 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1373,6 +1373,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, return SNDRV_PCM_FMTBIT_DSD_U32_BE; break;

+ case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */ case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ @@ -1443,6 +1444,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, */ switch (USB_ID_VENDOR(chip->usb_id)) { case 0x20b1: /* XMOS based devices */ + case 0x152a: /* Thesycon devices */ case 0x25ce: /* Mytek devices */ if (fp->dsd_raw) return SNDRV_PCM_FMTBIT_DSD_U32_BE; diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index dbf6e8bd98ba..bbb2a8ef367c 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -286,7 +286,7 @@ static int kvp_key_delete(int pool, const __u8 *key, int key_size) * Found a match; just move the remaining * entries up. */ - if (i == num_records) { + if (i == (num_records - 1)) { kvp_file_info[pool].num_records--; kvp_update_file(pool); return 0; diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c index ef5d59a5742e..7c6eeb4633fe 100644 --- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c +++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c @@ -58,9 +58,13 @@ static int check_return_reg(int ra_regno, Dwarf_Frame *frame) }

/* - * Check if return address is on the stack. + * Check if return address is on the stack. If return address + * is in a register (typically R0), it is yet to be saved on + * the stack. */ - if (nops != 0 || ops != NULL) + if ((nops != 0 || ops != NULL) && + !(nops == 1 && ops[0].atom == DW_OP_regx && + ops[0].number2 == 0 && ops[0].offset == 0)) return 0;

/* @@ -246,7 +250,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain) if (!chain || chain->nr < 3) return skip_slot;

- ip = chain->ips[2]; + ip = chain->ips[1];

thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);

diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index dd850a26d579..4f5de8245b32 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -599,7 +599,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) for (subi = 0; subi < subn; subi++) { pr_info("%2d.%1d: %-*s:", i, subi + 1, subw, t->subtest.get_desc(subi)); - err = test_and_print(t, skip, subi); + err = test_and_print(t, skip, subi + 1); if (err != TEST_OK && t->subtest.skip_if_fail) skip = true; } diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index 94e513e62b34..3013ac8f83d0 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -13,11 +13,24 @@ libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](/.*)/\1/g') nm -Dg $libc 2>/dev/null | fgrep -q inet_pton || exit 254

+event_pattern='probe_libc:inet_pton(_[[:digit:]]+)?' + +add_libc_inet_pton_event() { + + event_name=$(perf probe -f -x $libc -a inet_pton 2>&1 | tail -n +2 | head -n -5 | \ + grep -P -o "$event_pattern(?=[[:space:]](on inet_pton in $libc))") + + if [ $? -ne 0 -o -z "$event_name" ] ; then + printf "FAIL: could not add event\n" + return 1 + fi +} + trace_libc_inet_pton_backtrace() {

expected=`mktemp -u /tmp/expected.XXX`

- echo "ping[][0-9 .:]+probe_libc:inet_pton: ([[:xdigit:]]+)" > $expected + echo "ping[][0-9 .:]+$event_name: ([[:xdigit:]]+)" > $expected echo ".*inet_pton+0x[[:xdigit:]]+[[:space:]]($libc|inlined)$" >> $expected case "$(uname -m)" in s390x) @@ -26,6 +39,12 @@ trace_libc_inet_pton_backtrace() { echo "(__GI_)?getaddrinfo+0x[[:xdigit:]]+[[:space:]]($libc|inlined)$" >> $expected echo "main+0x[[:xdigit:]]+[[:space:]](.*/bin/ping.*)$" >> $expected ;; + ppc64|ppc64le) + eventattr='max-stack=4' + echo "gaih_inet.*+0x[[:xdigit:]]+[[:space:]]($libc)$" >> $expected + echo "getaddrinfo+0x[[:xdigit:]]+[[:space:]]($libc)$" >> $expected + echo ".*+0x[[:xdigit:]]+[[:space:]](.*/bin/ping.*)$" >> $expected + ;; *) eventattr='max-stack=3' echo "getaddrinfo+0x[[:xdigit:]]+[[:space:]]($libc)$" >> $expected @@ -35,7 +54,7 @@ trace_libc_inet_pton_backtrace() {

perf_data=`mktemp -u /tmp/perf.data.XXX` perf_script=`mktemp -u /tmp/perf.script.XXX` - perf record -e probe_libc:inet_pton/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1 + perf record -e $event_name/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1 perf script -i $perf_data > $perf_script

exec 3<$perf_script @@ -46,7 +65,7 @@ trace_libc_inet_pton_backtrace() { echo "$line" | egrep -q "$pattern" if [ $? -ne 0 ] ; then printf "FAIL: expected backtrace entry "%s" got "%s"\n" "$pattern" "$line" - exit 1 + return 1 fi done

@@ -56,13 +75,20 @@ trace_libc_inet_pton_backtrace() { # even if the perf script output does not match. }

+delete_libc_inet_pton_event() { + + if [ -n "$event_name" ] ; then + perf probe -q -d $event_name + fi +} + # Check for IPv6 interface existence ip a sh lo | fgrep -q inet6 || exit 2

skip_if_no_perf_probe && \ -perf probe -q $libc inet_pton && \ +add_libc_inet_pton_event && \ trace_libc_inet_pton_backtrace err=$? rm -f ${perf_data} ${perf_script} ${expected} -perf probe -q -d probe_libc:inet_pton +delete_libc_inet_pton_event exit $err diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c index 7798a2cc8a86..31279a7bd919 100644 --- a/tools/perf/util/comm.c +++ b/tools/perf/util/comm.c @@ -20,9 +20,10 @@ static struct rw_semaphore comm_str_lock = {.lock = PTHREAD_RWLOCK_INITIALIZER,}

static struct comm_str *comm_str__get(struct comm_str *cs) { - if (cs) - refcount_inc(&cs->refcnt); - return cs; + if (cs && refcount_inc_not_zero(&cs->refcnt)) + return cs; + + return NULL; }

static void comm_str__put(struct comm_str *cs) @@ -67,9 +68,14 @@ struct comm_str *__comm_str__findnew(const char *str, struct rb_root *root) parent = *p; iter = rb_entry(parent, struct comm_str, rb_node);

+ /* + * If we race with comm_str__put, iter->refcnt is 0 + * and it will be removed within comm_str__put call + * shortly, ignore it in this search. + */ cmp = strcmp(str, iter->str); - if (!cmp) - return comm_str__get(iter); + if (!cmp && comm_str__get(iter)) + return iter;

if (cmp < 0) p = &(*p)->rb_left; diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 653ff65aa2c3..5af58aac91ad 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2587,7 +2587,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = { FEAT_OPR(NUMA_TOPOLOGY, numa_topology, true), FEAT_OPN(BRANCH_STACK, branch_stack, false), FEAT_OPR(PMU_MAPPINGS, pmu_mappings, false), - FEAT_OPN(GROUP_DESC, group_desc, false), + FEAT_OPR(GROUP_DESC, group_desc, false), FEAT_OPN(AUXTRACE, auxtrace, false), FEAT_OPN(STAT, stat, false), FEAT_OPN(CACHE, cache, true), diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index e7b4a8b513f2..22dbb6612b41 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2272,6 +2272,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg) { struct callchain_cursor *cursor = arg; const char *srcline = NULL; + u64 addr;

if (symbol_conf.hide_unresolved && entry->sym == NULL) return 0; @@ -2279,7 +2280,13 @@ static int unwind_entry(struct unwind_entry *entry, void *arg) if (append_inlines(cursor, entry->map, entry->sym, entry->ip) == 0) return 0;

- srcline = callchain_srcline(entry->map, entry->sym, entry->ip); + /* + * Convert entry->ip from a virtual address to an offset in + * its corresponding binary. + */ + addr = map__map_ip(entry->map, entry->ip); + + srcline = callchain_srcline(entry->map, entry->sym, addr); return callchain_cursor_append(cursor, entry->ip, entry->map, entry->sym, false, NULL, 0, 0, 0, srcline); diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 89ac5b5dc218..f5431092c6d1 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -590,6 +590,13 @@ struct symbol *map_groups__find_symbol(struct map_groups *mg, return NULL; }

+static bool map__contains_symbol(struct map *map, struct symbol *sym) +{ + u64 ip = map->unmap_ip(map, sym->start); + + return ip >= map->start && ip < map->end; +} + struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp) { @@ -605,6 +612,10 @@ struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,

if (sym == NULL) continue; + if (!map__contains_symbol(pos, sym)) { + sym = NULL; + continue; + } if (mapp != NULL) *mapp = pos; goto out; diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index 538db4e5d1e6..6f318b15950e 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -77,7 +77,7 @@ static int entry(u64 ip, struct unwind_info *ui) if (__report_module(&al, ip, ui)) return -1;

- e->ip = al.addr; + e->ip = ip; e->map = al.map; e->sym = al.sym;

diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 6a11bc7e6b27..79f521a552cf 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -575,7 +575,7 @@ static int entry(u64 ip, struct thread *thread, struct addr_location al;

e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al); - e.ip = al.addr; + e.ip = ip; e.map = al.map;

pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n", diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index e2926f72a821..94c3bdf82ff7 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -1308,7 +1308,8 @@ static void smart_init(struct nfit_test *t) | ND_INTEL_SMART_ALARM_VALID | ND_INTEL_SMART_USED_VALID | ND_INTEL_SMART_SHUTDOWN_VALID - | ND_INTEL_SMART_MTEMP_VALID, + | ND_INTEL_SMART_MTEMP_VALID + | ND_INTEL_SMART_CTEMP_VALID, .health = ND_INTEL_SMART_NON_CRITICAL_HEALTH, .media_temperature = 23 * 16, .ctrl_temperature = 25 * 16, diff --git a/tools/testing/selftests/android/ion/ionapp_export.c b/tools/testing/selftests/android/ion/ionapp_export.c index a944e72621a9..b5fa0a2dc968 100644 --- a/tools/testing/selftests/android/ion/ionapp_export.c +++ b/tools/testing/selftests/android/ion/ionapp_export.c @@ -51,6 +51,7 @@ int main(int argc, char *argv[])

heap_size = 0; flags = 0; + heap_type = ION_HEAP_TYPE_SYSTEM;

while ((opt = getopt(argc, argv, "hi:s:")) != -1) { switch (opt) { diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c index ca6cd146aafe..dcf73c5dab6e 100644 --- a/tools/testing/selftests/timers/raw_skew.c +++ b/tools/testing/selftests/timers/raw_skew.c @@ -134,6 +134,11 @@ int main(int argv, char **argc) printf(" %lld.%i(act)", ppm/1000, abs((int)(ppm%1000)));

if (llabs(eppm - ppm) > 1000) { + if (tx1.offset || tx2.offset || + tx1.freq != tx2.freq || tx1.tick != tx2.tick) { + printf(" [SKIP]\n"); + return ksft_exit_skip("The clock was adjusted externally. Shutdown NTPd or other time sync daemons\n"); + } printf(" [FAILED]\n"); return ksft_exit_fail(); } diff --git a/tools/testing/selftests/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test.c index 2df26bd0099c..eda53f833d8e 100644 --- a/tools/testing/selftests/vDSO/vdso_test.c +++ b/tools/testing/selftests/vDSO/vdso_test.c @@ -15,6 +15,8 @@ #include <sys/auxv.h> #include <sys/time.h>

+#include "../kselftest.h" + extern void *vdso_sym(const char *version, const char *name); extern void vdso_init_from_sysinfo_ehdr(uintptr_t base); extern void vdso_init_from_auxv(void *auxv); @@ -37,7 +39,7 @@ int main(int argc, char **argv) unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR); if (!sysinfo_ehdr) { printf("AT_SYSINFO_EHDR is not present!\n"); - return 0; + return KSFT_SKIP; }

vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR)); @@ -48,7 +50,7 @@ int main(int argc, char **argv)

if (!gtod) { printf("Could not find %s\n", name); - return 1; + return KSFT_SKIP; }

struct timeval tv; @@ -59,6 +61,7 @@ int main(int argc, char **argv) (long long)tv.tv_sec, (long long)tv.tv_usec); } else { printf("%s failed\n", name); + return KSFT_FAIL; }

return 0; diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index 2673efce65f3..b71417913741 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -271,6 +271,10 @@ int vgic_init(struct kvm *kvm) if (vgic_initialized(kvm)) return 0;

+ /* Are we also in the middle of creating a VCPU? */ + if (kvm->created_vcpus != atomic_read(&kvm->online_vcpus)) + return -EBUSY; + /* freeze the number of spis */ if (!dist->nr_spis) dist->nr_spis = VGIC_NR_IRQS_LEGACY - VGIC_NR_PRIVATE_IRQS; diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index ffc587bf4742..64e571cc02df 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -352,6 +352,9 @@ static void vgic_mmio_write_apr(struct kvm_vcpu *vcpu,

if (n > vgic_v3_max_apr_idx(vcpu)) return; + + n = array_index_nospec(n, 4); + /* GICv3 only uses ICH_AP1Rn for memory mapped (GICv2) guests */ vgicv3->vgic_ap1r[n] = val; }