Re: Linux 5.10.177

diff --git a/Makefile b/Makefile index 71caf5938361..ae202cc53158 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 176 +SUBLEVEL = 177 EXTRAVERSION = NAME = Dare mighty things

diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi index 3af1ab4458ef..bd1f58ae2374 100644 --- a/arch/arm/boot/dts/e60k02.dtsi +++ b/arch/arm/boot/dts/e60k02.dtsi @@ -296,6 +296,7 @@ &usdhc3 {

&usbotg1 { pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg1>; disable-over-current; srp-disable; hnp-disable; diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts index caa279608803..0fd126db4e5d 100644 --- a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts +++ b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts @@ -580,6 +580,7 @@ &usdhc3 {

&usbotg1 { pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg1>; disable-over-current; srp-disable; hnp-disable; diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index b2a31afb998c..7d42c84649ac 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -30,6 +30,7 @@ #include <linux/init.h> #include <linux/ptrace.h> #include <linux/kallsyms.h> +#include <linux/extable.h>

#include <asm/setup.h> #include <asm/fpu.h> @@ -549,7 +550,8 @@ static inline void bus_error030 (struct frame *fp) errorcode |= 2;

if (mmusr & (MMU_I | MMU_WP)) { - if (ssw & 4) { + /* We might have an exception table for this PC */ + if (ssw & 4 && !search_exception_tables(fp->ptregs.pc)) { pr_err("Data %s fault at %#010lx in %s (pc=%#lx)\n", ssw & RW ? "read" : "write", fp->un.fmtb.daddr, diff --git a/arch/mips/bmips/dma.c b/arch/mips/bmips/dma.c index 49061b870680..daef44f68298 100644 --- a/arch/mips/bmips/dma.c +++ b/arch/mips/bmips/dma.c @@ -64,6 +64,8 @@ phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr) return dma_addr; }

+bool bmips_rac_flush_disable; + void arch_sync_dma_for_cpu_all(void) { void __iomem *cbr = BMIPS_GET_CBR(); @@ -74,6 +76,9 @@ void arch_sync_dma_for_cpu_all(void) boot_cpu_type() != CPU_BMIPS4380) return;

+ if (unlikely(bmips_rac_flush_disable)) + return; + /* Flush stale data out of the readahead cache */ cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG); __raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG); diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c index 1b06b25aea87..16063081d61e 100644 --- a/arch/mips/bmips/setup.c +++ b/arch/mips/bmips/setup.c @@ -34,6 +34,8 @@ #define REG_BCM6328_OTP ((void __iomem *)CKSEG1ADDR(0x1000062c)) #define BCM6328_TP1_DISABLED BIT(9)

+extern bool bmips_rac_flush_disable; + static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000;

struct bmips_quirk { @@ -103,6 +105,12 @@ static void bcm6358_quirks(void) * disable SMP for now */ bmips_smp_enabled = 0; + + /* + * RAC flush causes kernel panics on BCM6358 when booting from TP1 + * because the bootloader is not initializing it properly. + */ + bmips_rac_flush_disable = !!(read_c0_brcm_cmt_local() & (1 << 31)); }

static void bcm6368_quirks(void) diff --git a/arch/powerpc/kernel/ptrace/ptrace-view.c b/arch/powerpc/kernel/ptrace/ptrace-view.c index 7e6478e7ed07..67c126d4f431 100644 --- a/arch/powerpc/kernel/ptrace/ptrace-view.c +++ b/arch/powerpc/kernel/ptrace/ptrace-view.c @@ -298,6 +298,9 @@ static int gpr_set(struct task_struct *target, const struct user_regset *regset, static int ppr_get(struct task_struct *target, const struct user_regset *regset, struct membuf to) { + if (!target->thread.regs) + return -EINVAL; + return membuf_write(&to, &target->thread.regs->ppr, sizeof(u64)); }

@@ -305,6 +308,9 @@ static int ppr_set(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, const void *kbuf, const void __user *ubuf) { + if (!target->thread.regs) + return -EINVAL; + return user_regset_copyin(&pos, &count, &kbuf, &ubuf, &target->thread.regs->ppr, 0, sizeof(u64)); } diff --git a/arch/riscv/include/uapi/asm/setup.h b/arch/riscv/include/uapi/asm/setup.h new file mode 100644 index 000000000000..66b13a522880 --- /dev/null +++ b/arch/riscv/include/uapi/asm/setup.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */ + +#ifndef _UAPI_ASM_RISCV_SETUP_H +#define _UAPI_ASM_RISCV_SETUP_H + +#define COMMAND_LINE_SIZE 1024 + +#endif /* _UAPI_ASM_RISCV_SETUP_H */ diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c index 0267405ab7c6..fcfd78f99cb4 100644 --- a/arch/s390/lib/uaccess.c +++ b/arch/s390/lib/uaccess.c @@ -339,7 +339,7 @@ static inline unsigned long clear_user_mvcos(void __user *to, unsigned long size "4: slgr %0,%0\n" "5:\n" EX_TABLE(0b,2b) EX_TABLE(3b,5b) - : "+a" (size), "+a" (to), "+a" (tmp1), "=a" (tmp2) + : "+&a" (size), "+&a" (to), "+a" (tmp1), "=&a" (tmp2) : "a" (empty_zero_page), "d" (reg0) : "cc", "memory"); return size; } diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index aa92cc933889..6c7966e62775 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -50,6 +50,7 @@ #define SR_FD 0x00008000 #define SR_MD 0x40000000

+#define SR_USER_MASK 0x00000303 // M, Q, S, T bits /* * DSP structure and data */ diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index dd3092911efa..dc13702003f0 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -115,6 +115,7 @@ static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p) { unsigned int err = 0; + unsigned int sr = regs->sr & ~SR_USER_MASK;

#define COPY(x) err |= __get_user(regs->x, &sc->sc_##x) COPY(regs[1]); @@ -130,6 +131,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p COPY(sr); COPY(pc); #undef COPY

+ regs->sr = (regs->sr & SR_USER_MASK) | sr; + #ifdef CONFIG_SH_FPU if (boot_cpu_data.flags & CPU_HAS_FPU) { int owned_fp; diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 129f23c0ab55..6af68305b795 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -503,7 +503,7 @@ static size_t kstack_depth_to_print = CONFIG_PRINT_STACK_DEPTH;

void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) { - size_t len; + size_t len, off = 0;

if (!sp) sp = stack_pointer(task); @@ -512,9 +512,17 @@ void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) kstack_depth_to_print * STACK_DUMP_ENTRY_SIZE);

printk("%sStack:\n", loglvl); - print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE, - STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE, - sp, len, false); + while (off < len) { + u8 line[STACK_DUMP_LINE_SIZE]; + size_t line_len = len - off > STACK_DUMP_LINE_SIZE ? + STACK_DUMP_LINE_SIZE : len - off; + + __memcpy(line, (u8 *)sp + off, line_len); + print_hex_dump(loglvl, " ", DUMP_PREFIX_NONE, + STACK_DUMP_LINE_SIZE, STACK_DUMP_ENTRY_SIZE, + line, line_len, false); + off += STACK_DUMP_LINE_SIZE; + } show_trace(task, sp, loglvl); }

diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 82f6f1fbe9e7..a217b50439e7 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -2915,6 +2915,7 @@ close_card_oam(struct idt77252_dev *card)

recycle_rx_pool_skb(card, &vc->rcv.rx_pool); } + kfree(vc); } } } @@ -2958,6 +2959,15 @@ open_card_ubr0(struct idt77252_dev *card) return 0; }

+static void +close_card_ubr0(struct idt77252_dev *card) +{ + struct vc_map *vc = card->vcs[0]; + + free_scq(card, vc->scq); + kfree(vc); +} + static int idt77252_dev_open(struct idt77252_dev *card) { @@ -3007,6 +3017,7 @@ static void idt77252_dev_close(struct atm_dev *dev) struct idt77252_dev *card = dev->dev_data; u32 conf;

+ close_card_ubr0(card); close_card_oam(card);

conf = SAR_CFG_RXPTH | /* enable receive path */ diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c index 2acb719e596f..11c7e04bf394 100644 --- a/drivers/bluetooth/btqcomsmd.c +++ b/drivers/bluetooth/btqcomsmd.c @@ -122,6 +122,21 @@ static int btqcomsmd_setup(struct hci_dev *hdev) return 0; }

+static int btqcomsmd_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) +{ + int ret; + + ret = qca_set_bdaddr_rome(hdev, bdaddr); + if (ret) + return ret; + + /* The firmware stops responding for a while after setting the bdaddr, + * causing timeouts for subsequent commands. Sleep a bit to avoid this. + */ + usleep_range(1000, 10000); + return 0; +} + static int btqcomsmd_probe(struct platform_device *pdev) { struct btqcomsmd *btq; @@ -162,7 +177,7 @@ static int btqcomsmd_probe(struct platform_device *pdev) hdev->close = btqcomsmd_close; hdev->send = btqcomsmd_send; hdev->setup = btqcomsmd_setup; - hdev->set_bdaddr = qca_set_bdaddr_rome; + hdev->set_bdaddr = btqcomsmd_set_bdaddr;

ret = hci_register_dev(hdev); if (ret < 0) diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c index 199e8f7d426d..7050a16e7efe 100644 --- a/drivers/bluetooth/btsdio.c +++ b/drivers/bluetooth/btsdio.c @@ -352,6 +352,7 @@ static void btsdio_remove(struct sdio_func *func)

BT_DBG("func %p", func);

+ cancel_work_sync(&data->work); if (!data) return;

diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c index 28bb65a5613f..201767823edb 100644 --- a/drivers/bus/imx-weim.c +++ b/drivers/bus/imx-weim.c @@ -192,8 +192,8 @@ static int weim_parse_dt(struct platform_device *pdev, void __iomem *base) const struct of_device_id *of_id = of_match_device(weim_id_table, &pdev->dev); const struct imx_weim_devtype *devtype = of_id->data; + int ret = 0, have_child = 0; struct device_node *child; - int ret, have_child = 0; struct cs_timing_state ts = {}; u32 reg;

diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 0f2bac24e564..20dc2452815c 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -74,7 +74,8 @@ /* * Timer values */ -#define SSIF_MSG_USEC 20000 /* 20ms between message tries. */ +#define SSIF_MSG_USEC 60000 /* 60ms between message tries (T3). */ +#define SSIF_REQ_RETRY_USEC 60000 /* 60ms between send retries (T6). */ #define SSIF_MSG_PART_USEC 5000 /* 5ms for a message part */

/* How many times to we retry sending/receiving the message. */ @@ -82,7 +83,9 @@ #define SSIF_RECV_RETRIES 250

#define SSIF_MSG_MSEC (SSIF_MSG_USEC / 1000) +#define SSIF_REQ_RETRY_MSEC (SSIF_REQ_RETRY_USEC / 1000) #define SSIF_MSG_JIFFIES ((SSIF_MSG_USEC * 1000) / TICK_NSEC) +#define SSIF_REQ_RETRY_JIFFIES ((SSIF_REQ_RETRY_USEC * 1000) / TICK_NSEC) #define SSIF_MSG_PART_JIFFIES ((SSIF_MSG_PART_USEC * 1000) / TICK_NSEC)

/* @@ -229,6 +232,9 @@ struct ssif_info { bool got_alert; bool waiting_alert;

+ /* Used to inform the timeout that it should do a resend. */ + bool do_resend; + /* * If set to true, this will request events the next time the * state machine is idle. @@ -510,7 +516,7 @@ static int ipmi_ssif_thread(void *data) return 0; }

-static int ssif_i2c_send(struct ssif_info *ssif_info, +static void ssif_i2c_send(struct ssif_info *ssif_info, ssif_i2c_done handler, int read_write, int command, unsigned char *data, unsigned int size) @@ -522,7 +528,6 @@ static int ssif_i2c_send(struct ssif_info *ssif_info, ssif_info->i2c_data = data; ssif_info->i2c_size = size; complete(&ssif_info->wake_thread); - return 0; }

@@ -531,40 +536,36 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,

static void start_get(struct ssif_info *ssif_info) { - int rv; - ssif_info->rtc_us_timer = 0; ssif_info->multi_pos = 0;

- rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_RESPONSE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(5)\n"); - - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_RESPONSE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); }

+static void start_resend(struct ssif_info *ssif_info); + static void retry_timeout(struct timer_list *t) { struct ssif_info *ssif_info = from_timer(ssif_info, t, retry_timer); unsigned long oflags, *flags; - bool waiting; + bool waiting, resend;

if (ssif_info->stopping) return;

flags = ipmi_ssif_lock_cond(ssif_info, &oflags); + resend = ssif_info->do_resend; + ssif_info->do_resend = false; waiting = ssif_info->waiting_alert; ssif_info->waiting_alert = false; ipmi_ssif_unlock_cond(ssif_info, flags);

if (waiting) start_get(ssif_info); + if (resend) + start_resend(ssif_info); }

static void watch_timeout(struct timer_list *t) @@ -613,14 +614,11 @@ static void ssif_alert(struct i2c_client *client, enum i2c_alert_protocol type, start_get(ssif_info); }

-static int start_resend(struct ssif_info *ssif_info); - static void msg_done_handler(struct ssif_info *ssif_info, int result, unsigned char *data, unsigned int len) { struct ipmi_smi_msg *msg; unsigned long oflags, *flags; - int rv;

/* * We are single-threaded here, so no need for a lock until we @@ -666,17 +664,10 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_len = len; ssif_info->multi_pos = 1;

- rv = ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(1)\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, I2C_SMBUS_BLOCK_DATA); + return; } else if (ssif_info->multi_pos) { /* Middle of multi-part read. Start the next transaction. */ int i; @@ -738,19 +729,12 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,

ssif_info->multi_pos++;

- rv = ssif_i2c_send(ssif_info, msg_done_handler, - I2C_SMBUS_READ, - SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, - ssif_info->recv, - I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from ssif_i2c_send\n"); - - result = -EIO; - } else - return; + ssif_i2c_send(ssif_info, msg_done_handler, + I2C_SMBUS_READ, + SSIF_IPMI_MULTI_PART_RESPONSE_MIDDLE, + ssif_info->recv, + I2C_SMBUS_BLOCK_DATA); + return; } }

@@ -931,37 +915,27 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, static void msg_written_handler(struct ssif_info *ssif_info, int result, unsigned char *data, unsigned int len) { - int rv; - /* We are single-threaded here, so no need for a lock. */ if (result < 0) { ssif_info->retries_left--; if (ssif_info->retries_left > 0) { - if (!start_resend(ssif_info)) { - ssif_inc_stat(ssif_info, send_retries); - return; - } - /* request failed, just return the error. */ - ssif_inc_stat(ssif_info, send_errors); - - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "%s: Out of retries\n", __func__); - msg_done_handler(ssif_info, -EIO, NULL, 0); + /* + * Wait the retry timeout time per the spec, + * then redo the send. + */ + ssif_info->do_resend = true; + mod_timer(&ssif_info->retry_timer, + jiffies + SSIF_REQ_RETRY_JIFFIES); return; }

ssif_inc_stat(ssif_info, send_errors);

- /* - * Got an error on transmit, let the done routine - * handle it. - */ if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) dev_dbg(&ssif_info->client->dev, - "%s: Error %d\n", __func__, result); + "%s: Out of retries\n", __func__);

- msg_done_handler(ssif_info, result, NULL, 0); + msg_done_handler(ssif_info, -EIO, NULL, 0); return; }

@@ -995,18 +969,9 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, ssif_info->multi_data = NULL; }

- rv = ssif_i2c_send(ssif_info, msg_written_handler, - I2C_SMBUS_WRITE, cmd, - data_to_send, I2C_SMBUS_BLOCK_DATA); - if (rv < 0) { - /* request failed, just return the error. */ - ssif_inc_stat(ssif_info, send_errors); - - if (ssif_info->ssif_debug & SSIF_DEBUG_MSG) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(3)\n"); - msg_done_handler(ssif_info, -EIO, NULL, 0); - } + ssif_i2c_send(ssif_info, msg_written_handler, + I2C_SMBUS_WRITE, cmd, + data_to_send, I2C_SMBUS_BLOCK_DATA); } else { /* Ready to request the result. */ unsigned long oflags, *flags; @@ -1033,9 +998,8 @@ static void msg_written_handler(struct ssif_info *ssif_info, int result, } }

-static int start_resend(struct ssif_info *ssif_info) +static void start_resend(struct ssif_info *ssif_info) { - int rv; int command;

ssif_info->got_alert = false; @@ -1057,12 +1021,8 @@ static int start_resend(struct ssif_info *ssif_info) ssif_info->data[0] = ssif_info->data_len; }

- rv = ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, - command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); - if (rv && (ssif_info->ssif_debug & SSIF_DEBUG_MSG)) - dev_dbg(&ssif_info->client->dev, - "Error from i2c_non_blocking_op(4)\n"); - return rv; + ssif_i2c_send(ssif_info, msg_written_handler, I2C_SMBUS_WRITE, + command, ssif_info->data, I2C_SMBUS_BLOCK_DATA); }

static int start_send(struct ssif_info *ssif_info, @@ -1077,7 +1037,8 @@ static int start_send(struct ssif_info *ssif_info, ssif_info->retries_left = SSIF_SEND_RETRIES; memcpy(ssif_info->data + 1, data, len); ssif_info->data_len = len; - return start_resend(ssif_info); + start_resend(ssif_info); + return 0; }

/* Must be called with the message lock held. */ @@ -1377,8 +1338,10 @@ static int do_cmd(struct i2c_client *client, int len, unsigned char *msg, ret = i2c_smbus_write_block_data(client, SSIF_IPMI_REQUEST, len, msg); if (ret) { retry_cnt--; - if (retry_cnt > 0) + if (retry_cnt > 0) { + msleep(SSIF_REQ_RETRY_MSEC); goto retry1; + } return -ENODEV; }

@@ -1519,8 +1482,10 @@ static int start_multipart_test(struct i2c_client *client, 32, msg); if (ret) { retry_cnt--; - if (retry_cnt > 0) + if (retry_cnt > 0) { + msleep(SSIF_REQ_RETRY_MSEC); goto retry_write; + } dev_err(&client->dev, "Could not write multi-part start, though the BMC said it could handle it. Just limit sends to one part.\n"); return ret; } diff --git a/drivers/firmware/arm_scmi/mailbox.c b/drivers/firmware/arm_scmi/mailbox.c index 4626404be541..ad773a657ed2 100644 --- a/drivers/firmware/arm_scmi/mailbox.c +++ b/drivers/firmware/arm_scmi/mailbox.c @@ -52,6 +52,39 @@ static bool mailbox_chan_available(struct device *dev, int idx) "#mbox-cells", idx, NULL); }

+static int mailbox_chan_validate(struct device *cdev) +{ + int num_mb, num_sh, ret = 0; + struct device_node *np = cdev->of_node; + + num_mb = of_count_phandle_with_args(np, "mboxes", "#mbox-cells"); + num_sh = of_count_phandle_with_args(np, "shmem", NULL); + /* Bail out if mboxes and shmem descriptors are inconsistent */ + if (num_mb <= 0 || num_sh > 2 || num_mb != num_sh) { + dev_warn(cdev, "Invalid channel descriptor for '%s'\n", + of_node_full_name(np)); + return -EINVAL; + } + + if (num_sh > 1) { + struct device_node *np_tx, *np_rx; + + np_tx = of_parse_phandle(np, "shmem", 0); + np_rx = of_parse_phandle(np, "shmem", 1); + /* SCMI Tx and Rx shared mem areas have to be distinct */ + if (!np_tx || !np_rx || np_tx == np_rx) { + dev_warn(cdev, "Invalid shmem descriptor for '%s'\n", + of_node_full_name(np)); + ret = -EINVAL; + } + + of_node_put(np_tx); + of_node_put(np_rx); + } + + return ret; +} + static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, bool tx) { @@ -64,6 +97,10 @@ static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, resource_size_t size; struct resource res;

+ ret = mailbox_chan_validate(cdev); + if (ret) + return ret; + smbox = devm_kzalloc(dev, sizeof(*smbox), GFP_KERNEL); if (!smbox) return -ENOMEM; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index d617e98afb76..767b3d31c720 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -164,6 +164,21 @@ static bool needs_dsc_aux_workaround(struct dc_link *link) return false; }

+bool is_synaptics_cascaded_panamera(struct dc_link *link, struct drm_dp_mst_port *port) +{ + u8 branch_vendor_data[4] = { 0 }; // Vendor data 0x50C ~ 0x50F + + if (drm_dp_dpcd_read(port->mgr->aux, DP_BRANCH_VENDOR_SPECIFIC_START, &branch_vendor_data, 4) == 4) { + if (link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 && + IS_SYNAPTICS_CASCADED_PANAMERA(link->dpcd_caps.branch_dev_name, branch_vendor_data)) { + DRM_INFO("Synaptics Cascaded MST hub\n"); + return true; + } + } + + return false; +} + static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnector) { struct dc_sink *dc_sink = aconnector->dc_sink; @@ -185,6 +200,10 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto needs_dsc_aux_workaround(aconnector->dc_link)) aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux;

+ /* synaptics cascaded MST hub case */ + if (!aconnector->dsc_aux && is_synaptics_cascaded_panamera(aconnector->dc_link, port)) + aconnector->dsc_aux = port->mgr->aux; + if (!aconnector->dsc_aux) return false;

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h index b38bd68121ce..5d60e2bf0bd8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h @@ -26,6 +26,18 @@ #ifndef __DAL_AMDGPU_DM_MST_TYPES_H__ #define __DAL_AMDGPU_DM_MST_TYPES_H__

+#define DP_BRANCH_VENDOR_SPECIFIC_START 0x50C + +/** + * Panamera MST Hub detection + * Offset DPCD 050Eh == 0x5A indicates cascaded MST hub case + * Check from beginning of branch device vendor specific field (050Ch) + */ +#define IS_SYNAPTICS_PANAMERA(branchDevName) (((int)branchDevName[4] & 0xF0) == 0x50 ? 1 : 0) +#define BRANCH_HW_REVISION_PANAMERA_A2 0x10 +#define SYNAPTICS_CASCADED_HUB_ID 0x5A +#define IS_SYNAPTICS_CASCADED_PANAMERA(devName, data) ((IS_SYNAPTICS_PANAMERA(devName) && ((int)data[2] == SYNAPTICS_CASCADED_HUB_ID)) ? 1 : 0) + struct amdgpu_display_manager; struct amdgpu_dm_connector;

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c index 4aa3426a9ba4..33974cc57e32 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c @@ -93,7 +93,15 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj) static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj, struct vm_area_struct *vma) { - return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0); + int ret; + + ret = dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0); + if (!ret) { + /* Drop the reference acquired by drm_gem_mmap_obj(). */ + drm_gem_object_put(&etnaviv_obj->base); + } + + return ret; }

static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = { diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 45c2556d6395..d46011f7a838 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -13335,6 +13335,7 @@ intel_crtc_prepare_cleared_state(struct intel_crtc_state *crtc_state) * only fields that are know to not cause problems are preserved. */

saved_state->uapi = crtc_state->uapi; + saved_state->inherited = crtc_state->inherited; saved_state->scaler_state = crtc_state->scaler_state; saved_state->shared_dpll = crtc_state->shared_dpll; saved_state->dpll_hw_state = crtc_state->dpll_hw_state; diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 0532a5069c04..cae9ac6379a5 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -96,8 +96,7 @@ static void debug_active_init(struct i915_active *ref) static void debug_active_activate(struct i915_active *ref) { lockdep_assert_held(&ref->tree_lock); - if (!atomic_read(&ref->count)) /* before the first inc */ - debug_object_activate(ref, &active_debug_desc); + debug_object_activate(ref, &active_debug_desc); }

static void debug_active_deactivate(struct i915_active *ref) diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index b0bfe85f5f6a..5c29ddf93eb3 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -320,38 +320,38 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (priv->afbcd.ops) { ret = priv->afbcd.ops->init(priv); if (ret) - return ret; + goto free_drm; }

/* Encoder Initialization */

ret = meson_venc_cvbs_create(priv); if (ret) - goto free_drm; + goto exit_afbcd;

if (has_components) { ret = component_bind_all(drm->dev, drm); if (ret) { dev_err(drm->dev, "Couldn't bind all components\n"); - goto free_drm; + goto exit_afbcd; } }

ret = meson_plane_create(priv); if (ret) - goto free_drm; + goto unbind_all;

ret = meson_overlay_create(priv); if (ret) - goto free_drm; + goto unbind_all;

ret = meson_crtc_create(priv); if (ret) - goto free_drm; + goto unbind_all;

ret = drm_irq_install(drm, priv->vsync_irq); if (ret) - goto free_drm; + goto unbind_all;

drm_mode_config_reset(drm);

@@ -369,6 +369,12 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)

uninstall_irq: drm_irq_uninstall(drm); +unbind_all: + if (has_components) + component_unbind_all(drm->dev, drm); +exit_afbcd: + if (priv->afbcd.ops) + priv->afbcd.ops->exit(priv); free_drm: drm_dev_put(drm);

diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index c5912fd53772..9c6ae8cfa0b2 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -93,7 +93,7 @@ static int sun4i_drv_bind(struct device *dev) /* drm_vblank_init calls kcalloc, which can fail */ ret = drm_vblank_init(drm, drm->mode_config.num_crtc); if (ret) - goto cleanup_mode_config; + goto unbind_all;

drm->irq_enabled = true;

@@ -117,6 +117,8 @@ static int sun4i_drv_bind(struct device *dev)

finish_poll: drm_kms_helper_poll_fini(drm); +unbind_all: + component_unbind_all(dev, NULL); cleanup_mode_config: drm_mode_config_cleanup(drm); of_reserved_mem_device_release(dev); diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 172f20e88c6c..d902fe43cb81 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -1352,6 +1352,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) girq->parents = NULL; girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_simple_irq; + girq->threaded = true;

ret = gpiochip_add_data(&dev->gc, dev); if (ret < 0) { diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index d649fea82999..045dc3fd7953 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -700,6 +700,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, { struct hwmon_device *hwdev; struct device *hdev; + struct device *tdev = dev; int i, err, id;

/* Complain about invalid characters in hwmon name attribute */ @@ -757,7 +758,9 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, hwdev->name = name; hdev->class = &hwmon_class; hdev->parent = dev; - hdev->of_node = dev ? dev->of_node : NULL; + while (tdev && !tdev->of_node) + tdev = tdev->parent; + hdev->of_node = tdev ? tdev->of_node : NULL; hwdev->chip = chip; dev_set_drvdata(hdev, drvdata); dev_set_name(hdev, HWMON_ID_FORMAT, id); @@ -769,7 +772,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,

INIT_LIST_HEAD(&hwdev->tzdata);

- if (dev && dev->of_node && chip && chip->ops->read && + if (hdev->of_node && chip && chip->ops->read && chip->info[0]->type == hwmon_chip && (chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) { err = hwmon_thermal_register_sensors(hdev); diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index fac9b5c68a6a..85413d3dc394 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -486,6 +486,8 @@ static const struct it87_devices it87_devices[] = { #define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2) #define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP) #define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V) +#define has_scaling(data) ((data)->features & (FEAT_12MV_ADC | \ + FEAT_10_9MV_ADC))

struct it87_sio_data { int sioaddr; @@ -3098,7 +3100,7 @@ static int it87_probe(struct platform_device *pdev) "Detected broken BIOS defaults, disabling PWM interface\n");

/* Starting with IT8721F, we handle scaling of internal voltages */ - if (has_12mv_adc(data)) { + if (has_scaling(data)) { if (sio_data->internal & BIT(0)) data->in_scaled |= BIT(3); /* in3 is AVCC */ if (sio_data->internal & BIT(1)) diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index 8b9ba055c418..2018dbcf241e 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -502,10 +502,14 @@ static int lpi2c_imx_xfer(struct i2c_adapter *adapter, static irqreturn_t lpi2c_imx_isr(int irq, void *dev_id) { struct lpi2c_imx_struct *lpi2c_imx = dev_id; + unsigned int enabled; unsigned int temp;

+ enabled = readl(lpi2c_imx->base + LPI2C_MIER); + lpi2c_imx_intctrl(lpi2c_imx, 0); temp = readl(lpi2c_imx->base + LPI2C_MSR); + temp &= enabled;

if (temp & MSR_RDF) lpi2c_imx_read_rxfifo(lpi2c_imx); diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c index 63cbb9c7c1b0..76e9dcd63856 100644 --- a/drivers/i2c/busses/i2c-xgene-slimpro.c +++ b/drivers/i2c/busses/i2c-xgene-slimpro.c @@ -308,6 +308,9 @@ static int slimpro_i2c_blkwr(struct slimpro_i2c_dev *ctx, u32 chip, u32 msg[3]; int rc;

+ if (writelen > I2C_SMBUS_BLOCK_MAX) + return -EINVAL; + memcpy(ctx->dma_buffer, data, writelen); paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen, DMA_TO_DEVICE); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index b067bfd2699c..0b10c466659e 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -852,8 +852,8 @@ static void alps_process_packet_v6(struct psmouse *psmouse) x = y = z = 0;

/* Divide 4 since trackpoint's speed is too fast */ - input_report_rel(dev2, REL_X, (char)x / 4); - input_report_rel(dev2, REL_Y, -((char)y / 4)); + input_report_rel(dev2, REL_X, (s8)x / 4); + input_report_rel(dev2, REL_Y, -((s8)y / 4));

psmouse_report_standard_buttons(dev2, packet[3]);

@@ -1104,8 +1104,8 @@ static void alps_process_trackstick_packet_v7(struct psmouse *psmouse) ((packet[3] & 0x20) << 1); z = (packet[5] & 0x3f) | ((packet[3] & 0x80) >> 1);

- input_report_rel(dev2, REL_X, (char)x); - input_report_rel(dev2, REL_Y, -((char)y)); + input_report_rel(dev2, REL_X, (s8)x); + input_report_rel(dev2, REL_Y, -((s8)y)); input_report_abs(dev2, ABS_PRESSURE, z);

psmouse_report_standard_buttons(dev2, packet[1]); @@ -2294,20 +2294,20 @@ static int alps_get_v3_v7_resolution(struct psmouse *psmouse, int reg_pitch) if (reg < 0) return reg;

- x_pitch = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ + x_pitch = (s8)(reg << 4) >> 4; /* sign extend lower 4 bits */ x_pitch = 50 + 2 * x_pitch; /* In 0.1 mm units */

- y_pitch = (char)reg >> 4; /* sign extend upper 4 bits */ + y_pitch = (s8)reg >> 4; /* sign extend upper 4 bits */ y_pitch = 36 + 2 * y_pitch; /* In 0.1 mm units */

reg = alps_command_mode_read_reg(psmouse, reg_pitch + 1); if (reg < 0) return reg;

- x_electrode = (char)(reg << 4) >> 4; /* sign extend lower 4 bits */ + x_electrode = (s8)(reg << 4) >> 4; /* sign extend lower 4 bits */ x_electrode = 17 + x_electrode;

- y_electrode = (char)reg >> 4; /* sign extend upper 4 bits */ + y_electrode = (s8)reg >> 4; /* sign extend upper 4 bits */ y_electrode = 13 + y_electrode;

x_phys = x_pitch * (x_electrode - 1); /* In 0.1 mm units */ diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index 6fd5fff0cbff..c74b99077d16 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -202,8 +202,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, state->pressed = packet[0] >> 7; finger1 = ((packet[0] >> 4) & 0x7) - 1; if (finger1 < FOC_MAX_FINGERS) { - state->fingers[finger1].x += (char)packet[1]; - state->fingers[finger1].y += (char)packet[2]; + state->fingers[finger1].x += (s8)packet[1]; + state->fingers[finger1].y += (s8)packet[2]; } else { psmouse_err(psmouse, "First finger in rel packet invalid: %d\n", finger1); @@ -218,8 +218,8 @@ static void focaltech_process_rel_packet(struct psmouse *psmouse, */ finger2 = ((packet[3] >> 4) & 0x7) - 1; if (finger2 < FOC_MAX_FINGERS) { - state->fingers[finger2].x += (char)packet[4]; - state->fingers[finger2].y += (char)packet[5]; + state->fingers[finger2].x += (s8)packet[4]; + state->fingers[finger2].y += (s8)packet[5]; } }

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b7f87ad4b9a9..098115eb8084 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -183,10 +183,18 @@ static const unsigned long goodix_irq_flags[] = { static const struct dmi_system_id nine_bytes_report[] = { #if defined(CONFIG_DMI) && defined(CONFIG_X86) { - .ident = "Lenovo YogaBook", - /* YB1-X91L/F and YB1-X90L/F */ + /* Lenovo Yoga Book X90F / X90L */ .matches = { - DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9") + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "YETI-11"), + } + }, + { + /* Lenovo Yoga Book X91F / X91L */ + .matches = { + /* Non exact match to match F + L versions */ + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"), } }, #endif diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c index 695f28789e98..08a282d57320 100644 --- a/drivers/interconnect/qcom/osm-l3.c +++ b/drivers/interconnect/qcom/osm-l3.c @@ -258,7 +258,7 @@ static int qcom_osm_l3_probe(struct platform_device *pdev) qnodes = desc->nodes; num_nodes = desc->num_nodes;

- data = devm_kcalloc(&pdev->dev, num_nodes, sizeof(*node), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, struct_size(data, nodes, num_nodes), GFP_KERNEL); if (!data) return -ENOMEM;

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 3d975db86434..5d772f322a24 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -67,7 +67,9 @@ struct dm_crypt_io { struct crypt_config *cc; struct bio *base_bio; u8 *integrity_metadata; - bool integrity_metadata_from_pool; + bool integrity_metadata_from_pool:1; + bool in_tasklet:1; + struct work_struct work; struct tasklet_struct tasklet;

@@ -1722,6 +1724,7 @@ static void crypt_io_init(struct dm_crypt_io *io, struct crypt_config *cc, io->ctx.r.req = NULL; io->integrity_metadata = NULL; io->integrity_metadata_from_pool = false; + io->in_tasklet = false; atomic_set(&io->io_pending, 0); }

@@ -1767,14 +1770,13 @@ static void crypt_dec_pending(struct dm_crypt_io *io) * our tasklet. In this case we need to delay bio_endio() * execution to after the tasklet is done and dequeued. */ - if (tasklet_trylock(&io->tasklet)) { - tasklet_unlock(&io->tasklet); - bio_endio(base_bio); + if (io->in_tasklet) { + INIT_WORK(&io->work, kcryptd_io_bio_endio); + queue_work(cc->io_queue, &io->work); return; }

- INIT_WORK(&io->work, kcryptd_io_bio_endio); - queue_work(cc->io_queue, &io->work); + bio_endio(base_bio); }

/* @@ -1934,6 +1936,7 @@ static int dmcrypt_write(void *data) io = crypt_io_from_node(rb_first(&write_tree)); rb_erase(&io->rb_node, &write_tree); kcryptd_io_write(io); + cond_resched(); } while (!RB_EMPTY_ROOT(&write_tree)); blk_finish_plug(&plug); } @@ -2227,6 +2230,7 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io) * it is being executed with irqs disabled. */ if (in_irq() || irqs_disabled()) { + io->in_tasklet = true; tasklet_init(&io->tasklet, kcryptd_crypt_tasklet, (unsigned long)&io->work); tasklet_schedule(&io->tasklet); return; diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 55443a6598fa..4029281ca383 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -188,7 +188,7 @@ static int dm_stat_in_flight(struct dm_stat_shared *shared) atomic_read(&shared->in_flight[WRITE]); }

-void dm_stats_init(struct dm_stats *stats) +int dm_stats_init(struct dm_stats *stats) { int cpu; struct dm_stats_last_position *last; @@ -196,11 +196,16 @@ void dm_stats_init(struct dm_stats *stats) mutex_init(&stats->mutex); INIT_LIST_HEAD(&stats->list); stats->last = alloc_percpu(struct dm_stats_last_position); + if (!stats->last) + return -ENOMEM; + for_each_possible_cpu(cpu) { last = per_cpu_ptr(stats->last, cpu); last->last_sector = (sector_t)ULLONG_MAX; last->last_rw = UINT_MAX; } + + return 0; }

void dm_stats_cleanup(struct dm_stats *stats) diff --git a/drivers/md/dm-stats.h b/drivers/md/dm-stats.h index 2ddfae678f32..dcac11fce03b 100644 --- a/drivers/md/dm-stats.h +++ b/drivers/md/dm-stats.h @@ -22,7 +22,7 @@ struct dm_stats_aux { unsigned long long duration_ns; };

-void dm_stats_init(struct dm_stats *st); +int dm_stats_init(struct dm_stats *st); void dm_stats_cleanup(struct dm_stats *st);

struct mapped_device; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index c890bb3e5185..93140743a999 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -3383,6 +3383,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) pt->low_water_blocks = low_water_blocks; pt->adjusted_pf = pt->requested_pf = pf; ti->num_flush_bios = 1; + ti->limit_swap_bios = true;

/* * Only need to enable discards if the pool should pass @@ -4259,6 +4260,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) goto bad;

ti->num_flush_bios = 1; + ti->limit_swap_bios = true; ti->flush_supported = true; ti->per_io_data_size = sizeof(struct dm_thin_endio_hook);

diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c60febd14be1..9029c1004b93 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1910,7 +1910,9 @@ static struct mapped_device *alloc_dev(int minor) if (!md->bdev) goto bad;

- dm_stats_init(&md->stats); + r = dm_stats_init(&md->stats); + if (r < 0) + goto bad;

/* Populate the mapping, nobody knows we exist yet */ spin_lock(&_minor_lock); diff --git a/drivers/md/md.c b/drivers/md/md.c index c0b34637bd66..1553c2495841 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3207,6 +3207,9 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len) err = kstrtouint(buf, 10, (unsigned int *)&slot); if (err < 0) return err; + if (slot < 0) + /* overflow */ + return -ENOSPC; } if (rdev->mddev->pers && slot == -1) { /* Setting 'slot' on an active array requires also diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 38f490088d76..dc631c514318 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -172,6 +172,7 @@ struct meson_nfc {

dma_addr_t daddr; dma_addr_t iaddr; + u32 info_bytes;

unsigned long assigned_cs; }; @@ -499,6 +500,7 @@ static int meson_nfc_dma_buffer_setup(struct nand_chip *nand, void *databuf, nfc->daddr, datalen, dir); return ret; } + nfc->info_bytes = infolen; cmd = GENCMDIADDRL(NFC_CMD_AIL, nfc->iaddr); writel(cmd, nfc->reg_base + NFC_REG_CMD);

@@ -516,8 +518,10 @@ static void meson_nfc_dma_buffer_release(struct nand_chip *nand, struct meson_nfc *nfc = nand_get_controller_data(nand);

dma_unmap_single(nfc->dev, nfc->daddr, datalen, dir); - if (infolen) + if (infolen) { dma_unmap_single(nfc->dev, nfc->iaddr, infolen, dir); + nfc->info_bytes = 0; + } }

static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len) @@ -706,6 +710,8 @@ static void meson_nfc_check_ecc_pages_valid(struct meson_nfc *nfc, usleep_range(10, 15); /* info is updated by nfc dma engine*/ smp_rmb(); + dma_sync_single_for_cpu(nfc->dev, nfc->iaddr, nfc->info_bytes, + DMA_FROM_DEVICE); ret = *info & ECC_COMPLETE; } while (!ret); } diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index a253476a52b0..0b104a90c0d8 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2611,9 +2611,14 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) * If this is the upstream port for this switch, enable * forwarding of unknown unicasts and multicasts. */ - reg = MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP | - MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP | + reg = MV88E6185_PORT_CTL0_USE_TAG | MV88E6185_PORT_CTL0_USE_IP | MV88E6XXX_PORT_CTL0_STATE_FORWARDING; + /* Forward any IPv4 IGMP or IPv6 MLD frames received + * by a USER port to the CPU port to allow snooping. + */ + if (dsa_is_user_port(ds, port)) + reg |= MV88E6XXX_PORT_CTL0_IGMP_MLD_SNOOP; + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg); if (err) return err; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 6928c0b578ab..3a9fcf942a6d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -219,12 +219,12 @@ static const struct pci_device_id bnxt_pci_tbl[] = { { PCI_VDEVICE(BROADCOM, 0x1750), .driver_data = BCM57508 }, { PCI_VDEVICE(BROADCOM, 0x1751), .driver_data = BCM57504 }, { PCI_VDEVICE(BROADCOM, 0x1752), .driver_data = BCM57502 }, - { PCI_VDEVICE(BROADCOM, 0x1800), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1800), .driver_data = BCM57502_NPAR }, { PCI_VDEVICE(BROADCOM, 0x1801), .driver_data = BCM57504_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1802), .driver_data = BCM57502_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1803), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1802), .driver_data = BCM57508_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1803), .driver_data = BCM57502_NPAR }, { PCI_VDEVICE(BROADCOM, 0x1804), .driver_data = BCM57504_NPAR }, - { PCI_VDEVICE(BROADCOM, 0x1805), .driver_data = BCM57502_NPAR }, + { PCI_VDEVICE(BROADCOM, 0x1805), .driver_data = BCM57508_NPAR }, { PCI_VDEVICE(BROADCOM, 0xd802), .driver_data = BCM58802 }, { PCI_VDEVICE(BROADCOM, 0xd804), .driver_data = BCM58804 }, #ifdef CONFIG_BNXT_SRIOV diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 34affd1de91d..b7b07beb17ff 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1198,6 +1198,7 @@ struct bnxt_link_info { #define BNXT_LINK_SPEED_40GB PORT_PHY_QCFG_RESP_LINK_SPEED_40GB #define BNXT_LINK_SPEED_50GB PORT_PHY_QCFG_RESP_LINK_SPEED_50GB #define BNXT_LINK_SPEED_100GB PORT_PHY_QCFG_RESP_LINK_SPEED_100GB +#define BNXT_LINK_SPEED_200GB PORT_PHY_QCFG_RESP_LINK_SPEED_200GB u16 support_speeds; u16 support_pam4_speeds; u16 auto_link_speeds; /* fw adv setting */ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 81b63d1c2391..1e67e86fc334 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1653,6 +1653,8 @@ u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) return SPEED_50000; case BNXT_LINK_SPEED_100GB: return SPEED_100000; + case BNXT_LINK_SPEED_200GB: + return SPEED_200000; default: return SPEED_UNKNOWN; } diff --git a/drivers/net/ethernet/google/gve/gve_ethtool.c b/drivers/net/ethernet/google/gve/gve_ethtool.c index c53a04313944..e0449cc24fbd 100644 --- a/drivers/net/ethernet/google/gve/gve_ethtool.c +++ b/drivers/net/ethernet/google/gve/gve_ethtool.c @@ -510,7 +510,10 @@ static int gve_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { struct gve_priv *priv = netdev_priv(netdev); - int err = gve_adminq_report_link_speed(priv); + int err = 0; + + if (priv->link_speed == 0) + err = gve_adminq_report_link_speed(priv);

cmd->base.speed = priv->link_speed; return err; diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.c b/drivers/net/ethernet/intel/i40e/i40e_diag.c index ef4d3762bf37..ca229b0efeb6 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.c +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.c @@ -44,7 +44,7 @@ static i40e_status i40e_diag_reg_pattern_test(struct i40e_hw *hw, return 0; }

-struct i40e_diag_reg_test_info i40e_reg_list[] = { +const struct i40e_diag_reg_test_info i40e_reg_list[] = { /* offset mask elements stride */ {I40E_QTX_CTL(0), 0x0000FFBF, 1, I40E_QTX_CTL(1) - I40E_QTX_CTL(0)}, @@ -78,27 +78,28 @@ i40e_status i40e_diag_reg_test(struct i40e_hw *hw) { i40e_status ret_code = 0; u32 reg, mask; + u32 elements; u32 i, j;

for (i = 0; i40e_reg_list[i].offset != 0 && !ret_code; i++) {

+ elements = i40e_reg_list[i].elements; /* set actual reg range for dynamically allocated resources */ if (i40e_reg_list[i].offset == I40E_QTX_CTL(0) && hw->func_caps.num_tx_qp != 0) - i40e_reg_list[i].elements = hw->func_caps.num_tx_qp; + elements = hw->func_caps.num_tx_qp; if ((i40e_reg_list[i].offset == I40E_PFINT_ITRN(0, 0) || i40e_reg_list[i].offset == I40E_PFINT_ITRN(1, 0) || i40e_reg_list[i].offset == I40E_PFINT_ITRN(2, 0) || i40e_reg_list[i].offset == I40E_QINT_TQCTL(0) || i40e_reg_list[i].offset == I40E_QINT_RQCTL(0)) && hw->func_caps.num_msix_vectors != 0) - i40e_reg_list[i].elements = - hw->func_caps.num_msix_vectors - 1; + elements = hw->func_caps.num_msix_vectors - 1;

/* test register access */ mask = i40e_reg_list[i].mask; - for (j = 0; j < i40e_reg_list[i].elements && !ret_code; j++) { + for (j = 0; j < elements && !ret_code; j++) { reg = i40e_reg_list[i].offset + (j * i40e_reg_list[i].stride); ret_code = i40e_diag_reg_pattern_test(hw, reg, mask); diff --git a/drivers/net/ethernet/intel/i40e/i40e_diag.h b/drivers/net/ethernet/intel/i40e/i40e_diag.h index c3340f320a18..1db7c6d57231 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_diag.h +++ b/drivers/net/ethernet/intel/i40e/i40e_diag.h @@ -20,7 +20,7 @@ struct i40e_diag_reg_test_info { u32 stride; /* bytes between each element */ };

-extern struct i40e_diag_reg_test_info i40e_reg_list[]; +extern const struct i40e_diag_reg_test_info i40e_reg_list[];

i40e_status i40e_diag_reg_test(struct i40e_hw *hw); i40e_status i40e_diag_eeprom_test(struct i40e_hw *hw); diff --git a/drivers/net/ethernet/intel/iavf/iavf_common.c b/drivers/net/ethernet/intel/iavf/iavf_common.c index 8547fc8fdfd6..78423ca401b2 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_common.c +++ b/drivers/net/ethernet/intel/iavf/iavf_common.c @@ -662,7 +662,7 @@ struct iavf_rx_ptype_decoded iavf_ptype_lookup[] = { /* Non Tunneled IPv6 */ IAVF_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3), IAVF_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY3), + IAVF_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY4), IAVF_PTT_UNUSED_ENTRY(91), IAVF_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4), IAVF_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4), diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index d481a922f018..f411e683eb15 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -1061,7 +1061,7 @@ static inline void iavf_rx_hash(struct iavf_ring *ring, cpu_to_le64((u64)IAVF_RX_DESC_FLTSTAT_RSS_HASH << IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT);

- if (ring->netdev->features & NETIF_F_RXHASH) + if (!(ring->netdev->features & NETIF_F_RXHASH)) return;

if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) { diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 0ea8e4024d63..c5f465814dec 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3821,9 +3821,7 @@ static void igb_remove(struct pci_dev *pdev) igb_release_hw_control(adapter);

#ifdef CONFIG_PCI_IOV - rtnl_lock(); igb_disable_sriov(pdev); - rtnl_unlock(); #endif

unregister_netdev(netdev); diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index fe8c0a26b720..037ec90ed56c 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -1074,7 +1074,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter) igbvf_intr_msix_rx, 0, adapter->rx_ring->name, netdev); if (err) - goto out; + goto free_irq_tx;

adapter->rx_ring->itr_register = E1000_EITR(vector); adapter->rx_ring->itr_val = adapter->current_itr; @@ -1083,10 +1083,14 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter) err = request_irq(adapter->msix_entries[vector].vector, igbvf_msix_other, 0, netdev->name, netdev); if (err) - goto out; + goto free_irq_rx;

igbvf_configure_msix(adapter); return 0; +free_irq_rx: + free_irq(adapter->msix_entries[--vector].vector, netdev); +free_irq_tx: + free_irq(adapter->msix_entries[--vector].vector, netdev); out: return err; } diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c index b8ba3f94c363..a47a2e3e548c 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.c +++ b/drivers/net/ethernet/intel/igbvf/vf.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 2009 - 2018 Intel Corporation. */

+#include <linux/etherdevice.h> + #include "vf.h"

static s32 e1000_check_for_link_vf(struct e1000_hw *hw); @@ -131,11 +133,16 @@ static s32 e1000_reset_hw_vf(struct e1000_hw *hw) /* set our "perm_addr" based on info provided by PF */ ret_val = mbx->ops.read_posted(hw, msgbuf, 3); if (!ret_val) { - if (msgbuf[0] == (E1000_VF_RESET | - E1000_VT_MSGTYPE_ACK)) + switch (msgbuf[0]) { + case E1000_VF_RESET | E1000_VT_MSGTYPE_ACK: memcpy(hw->mac.perm_addr, addr, ETH_ALEN); - else + break; + case E1000_VF_RESET | E1000_VT_MSGTYPE_NACK: + eth_zero_addr(hw->mac.perm_addr); + break; + default: ret_val = -E1000_ERR_MAC_INIT; + } } }

diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 1a0aae7b128d..3aa0efb542aa 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -4874,18 +4874,18 @@ static bool validate_schedule(struct igc_adapter *adapter, if (e->command != TC_TAPRIO_CMD_SET_GATES) return false;

- for (i = 0; i < adapter->num_tx_queues; i++) { - if (e->gate_mask & BIT(i)) + for (i = 0; i < adapter->num_tx_queues; i++) + if (e->gate_mask & BIT(i)) { queue_uses[i]++;

- /* There are limitations: A single queue cannot be - * opened and closed multiple times per cycle unless the - * gate stays open. Check for it. - */ - if (queue_uses[i] > 1 && - !(prev->gate_mask & BIT(i))) - return false; - } + /* There are limitations: A single queue cannot + * be opened and closed multiple times per cycle + * unless the gate stays open. Check for it. + */ + if (queue_uses[i] > 1 && + !(prev->gate_mask & BIT(i))) + return false; + } }

return true; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 7c0ae7c38eef..c25fb0cbde27 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -117,12 +117,14 @@ static int mlx5e_dcbnl_ieee_getets(struct net_device *netdev, if (!MLX5_CAP_GEN(priv->mdev, ets)) return -EOPNOTSUPP;

- ets->ets_cap = mlx5_max_tc(priv->mdev) + 1; - for (i = 0; i < ets->ets_cap; i++) { + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { err = mlx5_query_port_prio_tc(mdev, i, &ets->prio_tc[i]); if (err) return err; + }

+ ets->ets_cap = mlx5_max_tc(priv->mdev) + 1; + for (i = 0; i < ets->ets_cap; i++) { err = mlx5_query_port_tc_group(mdev, i, &tc_group[i]); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c index 548c005ea633..90a10230bf0c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c @@ -301,8 +301,7 @@ int mlx5_esw_acl_ingress_vport_bond_update(struct mlx5_eswitch *esw, u16 vport_n

if (WARN_ON_ONCE(IS_ERR(vport))) { esw_warn(esw->dev, "vport(%d) invalid!\n", vport_num); - err = PTR_ERR(vport); - goto out; + return PTR_ERR(vport); }

esw_acl_ingress_ofld_rules_destroy(esw, vport); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 78cc6f0bbc72..3ae082c72a2b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1339,6 +1339,7 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, u16 vport_num) */ esw_vport_change_handle_locked(vport); vport->enabled_events = 0; + esw_apply_vport_rx_mode(esw, vport, false, false); esw_vport_cleanup(esw, vport); esw->enabled_vports--;

diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c index d17d1b4f2585..825356ee3492 100644 --- a/drivers/net/ethernet/natsemi/sonic.c +++ b/drivers/net/ethernet/natsemi/sonic.c @@ -292,7 +292,7 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev) */

laddr = dma_map_single(lp->device, skb->data, length, DMA_TO_DEVICE); - if (!laddr) { + if (dma_mapping_error(lp->device, laddr)) { pr_err_ratelimited("%s: failed to map tx DMA buffer.\n", dev->name); dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -509,7 +509,7 @@ static bool sonic_alloc_rb(struct net_device *dev, struct sonic_local *lp,

*new_addr = dma_map_single(lp->device, skb_put(*new_skb, SONIC_RBSIZE), SONIC_RBSIZE, DMA_FROM_DEVICE); - if (!*new_addr) { + if (dma_mapping_error(lp->device, *new_addr)) { dev_kfree_skb(*new_skb); *new_skb = NULL; return false; diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 3541bc95493f..b2a2beb84e54 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -4378,6 +4378,9 @@ qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate) }

vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true); + if (!vf) + return -EINVAL; + vport_id = vf->vport_id;

return qed_configure_vport_wfq(cdev, vport_id, rate); @@ -5123,7 +5126,7 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)

/* Validate that the VF has a configured vport */ vf = qed_iov_get_vf_info(hwfn, i, true); - if (!vf->vport_instance) + if (!vf || !vf->vport_instance) continue;

memset(&params, 0, sizeof(params)); diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c index ad655f0a4965..e1aa56be9cc0 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac.c @@ -728,9 +728,15 @@ static int emac_remove(struct platform_device *pdev) struct net_device *netdev = dev_get_drvdata(&pdev->dev); struct emac_adapter *adpt = netdev_priv(netdev);

+ netif_carrier_off(netdev); + netif_tx_disable(netdev); + unregister_netdev(netdev); netif_napi_del(&adpt->rx_q.napi);

+ free_irq(adpt->irq.irq, &adpt->irq); + cancel_work_sync(&adpt->work_thread); + emac_clks_teardown(adpt);

put_device(&adpt->phydev->mdio.dev); diff --git a/drivers/net/ethernet/realtek/r8169_phy_config.c b/drivers/net/ethernet/realtek/r8169_phy_config.c index 913d030d73eb..e18a76f5049f 100644 --- a/drivers/net/ethernet/realtek/r8169_phy_config.c +++ b/drivers/net/ethernet/realtek/r8169_phy_config.c @@ -970,6 +970,9 @@ static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp, /* disable phy pfm mode */ phy_modify_paged(phydev, 0x0a44, 0x11, BIT(7), 0);

+ /* disable 10m pll off */ + phy_modify_paged(phydev, 0x0a43, 0x10, BIT(0), 0); + rtl8168g_disable_aldps(phydev); rtl8168g_config_eee_phy(phydev); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index eb1be7302082..32654fe1f8b5 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1304,7 +1304,8 @@ static void efx_ef10_fini_nic(struct efx_nic *efx) static int efx_ef10_init_nic(struct efx_nic *efx) { struct efx_ef10_nic_data *nic_data = efx->nic_data; - netdev_features_t hw_enc_features = 0; + struct net_device *net_dev = efx->net_dev; + netdev_features_t tun_feats, tso_feats; int rc;

if (nic_data->must_check_datapath_caps) { @@ -1349,20 +1350,30 @@ static int efx_ef10_init_nic(struct efx_nic *efx) nic_data->must_restore_piobufs = false; }

- /* add encapsulated checksum offload features */ + /* encap features might change during reset if fw variant changed */ if (efx_has_cap(efx, VXLAN_NVGRE) && !efx_ef10_is_vf(efx)) - hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - /* add encapsulated TSO features */ - if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) { - netdev_features_t encap_tso_features; + net_dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + else + net_dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);

- encap_tso_features = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | - NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + tun_feats = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE | + NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + tso_feats = NETIF_F_TSO | NETIF_F_TSO6;

- hw_enc_features |= encap_tso_features | NETIF_F_TSO; - efx->net_dev->features |= encap_tso_features; + if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) { + /* If this is first nic_init, or if it is a reset and a new fw + * variant has added new features, enable them by default. + * If the features are not new, maintain their current value. + */ + if (!(net_dev->hw_features & tun_feats)) + net_dev->features |= tun_feats; + net_dev->hw_enc_features |= tun_feats | tso_feats; + net_dev->hw_features |= tun_feats; + } else { + net_dev->hw_enc_features &= ~(tun_feats | tso_feats); + net_dev->hw_features &= ~tun_feats; + net_dev->features &= ~tun_feats; } - efx->net_dev->hw_enc_features = hw_enc_features;

/* don't fail init if RSS setup doesn't work */ rc = efx->type->rx_push_rss_config(efx, false, @@ -3977,7 +3988,10 @@ static unsigned int ef10_check_caps(const struct efx_nic *efx, NETIF_F_HW_VLAN_CTAG_FILTER | \ NETIF_F_IPV6_CSUM | \ NETIF_F_RXHASH | \ - NETIF_F_NTUPLE) + NETIF_F_NTUPLE | \ + NETIF_F_SG | \ + NETIF_F_RXCSUM | \ + NETIF_F_RXALL)

const struct efx_nic_type efx_hunt_a0_vf_nic_type = { .is_vf = true, diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 29c8d2c99004..c069659c9e2d 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1045,21 +1045,18 @@ static int efx_pci_probe_post_io(struct efx_nic *efx) }

/* Determine netdevice features */ - net_dev->features |= (efx->type->offload_features | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_RXALL); - if (efx->type->offload_features & (NETIF_F_IPV6_CSUM | NETIF_F_HW_CSUM)) { - net_dev->features |= NETIF_F_TSO6; - if (efx_has_cap(efx, TX_TSO_V2_ENCAP)) - net_dev->hw_enc_features |= NETIF_F_TSO6; - } - /* Check whether device supports TSO */ - if (!efx->type->tso_versions || !efx->type->tso_versions(efx)) - net_dev->features &= ~NETIF_F_ALL_TSO; + net_dev->features |= efx->type->offload_features; + + /* Add TSO features */ + if (efx->type->tso_versions && efx->type->tso_versions(efx)) + net_dev->features |= NETIF_F_TSO | NETIF_F_TSO6; + /* Mask for features that also apply to VLAN devices */ net_dev->vlan_features |= (NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_ALL_TSO | NETIF_F_RXCSUM);

+ /* Determine user configurable features */ net_dev->hw_features |= net_dev->features & ~efx->fixed_features;

/* Disable receiving frames with bad FCS, by default. */ diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index df7de50497a0..af4303523929 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -480,7 +480,6 @@ struct mac_device_info { unsigned int xlgmac; unsigned int num_vlan; u32 vlan_filter[32]; - unsigned int promisc; bool vlan_fail_q_en; u8 vlan_fail_q; }; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 5b052fdd2696..cd11be005390 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -453,12 +453,6 @@ static int dwmac4_add_hw_vlan_rx_fltr(struct net_device *dev, if (vid > 4095) return -EINVAL;

- if (hw->promisc) { - netdev_err(dev, - "Adding VLAN in promisc mode not supported\n"); - return -EPERM; - } - /* Single Rx VLAN Filter */ if (hw->num_vlan == 1) { /* For single VLAN filter, VID 0 means VLAN promiscuous */ @@ -508,12 +502,6 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev, { int i, ret = 0;

- if (hw->promisc) { - netdev_err(dev, - "Deleting VLAN in promisc mode not supported\n"); - return -EPERM; - } - /* Single Rx VLAN Filter */ if (hw->num_vlan == 1) { if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) { @@ -538,39 +526,6 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev, return ret; }

-static void dwmac4_vlan_promisc_enable(struct net_device *dev, - struct mac_device_info *hw) -{ - void __iomem *ioaddr = hw->pcsr; - u32 value; - u32 hash; - u32 val; - int i; - - /* Single Rx VLAN Filter */ - if (hw->num_vlan == 1) { - dwmac4_write_single_vlan(dev, 0); - return; - } - - /* Extended Rx VLAN Filter Enable */ - for (i = 0; i < hw->num_vlan; i++) { - if (hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN) { - val = hw->vlan_filter[i] & ~GMAC_VLAN_TAG_DATA_VEN; - dwmac4_write_vlan_filter(dev, hw, i, val); - } - } - - hash = readl(ioaddr + GMAC_VLAN_HASH_TABLE); - if (hash & GMAC_VLAN_VLHT) { - value = readl(ioaddr + GMAC_VLAN_TAG); - if (value & GMAC_VLAN_VTHM) { - value &= ~GMAC_VLAN_VTHM; - writel(value, ioaddr + GMAC_VLAN_TAG); - } - } -} - static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev, struct mac_device_info *hw) { @@ -690,22 +645,12 @@ static void dwmac4_set_filter(struct mac_device_info *hw, }

/* VLAN filtering */ - if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) + if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en) + value &= ~GMAC_PACKET_FILTER_VTFE; + else if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) value |= GMAC_PACKET_FILTER_VTFE;

writel(value, ioaddr + GMAC_PACKET_FILTER); - - if (dev->flags & IFF_PROMISC && !hw->vlan_fail_q_en) { - if (!hw->promisc) { - hw->promisc = 1; - dwmac4_vlan_promisc_enable(dev, hw); - } - } else { - if (hw->promisc) { - hw->promisc = 0; - dwmac4_restore_hw_vlan_rx_fltr(dev, hw); - } - } }

static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c index d9a5722f561b..524098a7b658 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c @@ -317,15 +317,17 @@ static int gelic_card_init_chain(struct gelic_card *card,

/* set up the hardware pointers in each descriptor */ for (i = 0; i < no; i++, descr++) { + dma_addr_t cpu_addr; + gelic_descr_set_status(descr, GELIC_DESCR_DMA_NOT_IN_USE); - descr->bus_addr = - dma_map_single(ctodev(card), descr, - GELIC_DESCR_SIZE, - DMA_BIDIRECTIONAL);

- if (!descr->bus_addr) + cpu_addr = dma_map_single(ctodev(card), descr, + GELIC_DESCR_SIZE, DMA_BIDIRECTIONAL); + + if (dma_mapping_error(ctodev(card), cpu_addr)) goto iommu_error;

+ descr->bus_addr = cpu_to_be32(cpu_addr); descr->next = descr + 1; descr->prev = descr - 1; } @@ -365,26 +367,28 @@ static int gelic_card_init_chain(struct gelic_card *card, * * allocates a new rx skb, iommu-maps it and attaches it to the descriptor. * Activate the descriptor state-wise + * + * Gelic RX sk_buffs must be aligned to GELIC_NET_RXBUF_ALIGN and the length + * must be a multiple of GELIC_NET_RXBUF_ALIGN. */ static int gelic_descr_prepare_rx(struct gelic_card *card, struct gelic_descr *descr) { + static const unsigned int rx_skb_size = + ALIGN(GELIC_NET_MAX_FRAME, GELIC_NET_RXBUF_ALIGN) + + GELIC_NET_RXBUF_ALIGN - 1; + dma_addr_t cpu_addr; int offset; - unsigned int bufsize;

if (gelic_descr_get_status(descr) != GELIC_DESCR_DMA_NOT_IN_USE) dev_info(ctodev(card), "%s: ERROR status\n", __func__); - /* we need to round up the buffer size to a multiple of 128 */ - bufsize = ALIGN(GELIC_NET_MAX_MTU, GELIC_NET_RXBUF_ALIGN);

- /* and we need to have it 128 byte aligned, therefore we allocate a - * bit more */ - descr->skb = dev_alloc_skb(bufsize + GELIC_NET_RXBUF_ALIGN - 1); + descr->skb = netdev_alloc_skb(*card->netdev, rx_skb_size); if (!descr->skb) { descr->buf_addr = 0; /* tell DMAC don't touch memory */ return -ENOMEM; } - descr->buf_size = cpu_to_be32(bufsize); + descr->buf_size = cpu_to_be32(rx_skb_size); descr->dmac_cmd_status = 0; descr->result_size = 0; descr->valid_size = 0; @@ -395,11 +399,10 @@ static int gelic_descr_prepare_rx(struct gelic_card *card, if (offset) skb_reserve(descr->skb, GELIC_NET_RXBUF_ALIGN - offset); /* io-mmu-map the skb */ - descr->buf_addr = cpu_to_be32(dma_map_single(ctodev(card), - descr->skb->data, - GELIC_NET_MAX_MTU, - DMA_FROM_DEVICE)); - if (!descr->buf_addr) { + cpu_addr = dma_map_single(ctodev(card), descr->skb->data, + GELIC_NET_MAX_FRAME, DMA_FROM_DEVICE); + descr->buf_addr = cpu_to_be32(cpu_addr); + if (dma_mapping_error(ctodev(card), cpu_addr)) { dev_kfree_skb_any(descr->skb); descr->skb = NULL; dev_info(ctodev(card), @@ -779,7 +782,7 @@ static int gelic_descr_prepare_tx(struct gelic_card *card,

buf = dma_map_single(ctodev(card), skb->data, skb->len, DMA_TO_DEVICE);

- if (!buf) { + if (dma_mapping_error(ctodev(card), buf)) { dev_err(ctodev(card), "dma map 2 failed (%p, %i). Dropping packet\n", skb->data, skb->len); @@ -915,7 +918,7 @@ static void gelic_net_pass_skb_up(struct gelic_descr *descr, data_error = be32_to_cpu(descr->data_error); /* unmap skb buffer */ dma_unmap_single(ctodev(card), be32_to_cpu(descr->buf_addr), - GELIC_NET_MAX_MTU, + GELIC_NET_MAX_FRAME, DMA_FROM_DEVICE);

skb_put(skb, be32_to_cpu(descr->valid_size)? diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.h b/drivers/net/ethernet/toshiba/ps3_gelic_net.h index 68f324ed4eaf..0d98defb011e 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.h +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.h @@ -19,8 +19,9 @@ #define GELIC_NET_RX_DESCRIPTORS 128 /* num of descriptors */ #define GELIC_NET_TX_DESCRIPTORS 128 /* num of descriptors */

-#define GELIC_NET_MAX_MTU VLAN_ETH_FRAME_LEN -#define GELIC_NET_MIN_MTU VLAN_ETH_ZLEN +#define GELIC_NET_MAX_FRAME 2312 +#define GELIC_NET_MAX_MTU 2294 +#define GELIC_NET_MIN_MTU 64 #define GELIC_NET_RXBUF_ALIGN 128 #define GELIC_CARD_RX_CSUM_DEFAULT 1 /* hw chksum */ #define GELIC_NET_WATCHDOG_TIMEOUT 5*HZ diff --git a/drivers/net/ethernet/xircom/xirc2ps_cs.c b/drivers/net/ethernet/xircom/xirc2ps_cs.c index 3e337142b516..56cef59c1c87 100644 --- a/drivers/net/ethernet/xircom/xirc2ps_cs.c +++ b/drivers/net/ethernet/xircom/xirc2ps_cs.c @@ -503,6 +503,11 @@ static void xirc2ps_detach(struct pcmcia_device *link) { struct net_device *dev = link->priv; + struct local_info *local = netdev_priv(dev); + + netif_carrier_off(dev); + netif_tx_disable(dev); + cancel_work_sync(&local->tx_timeout_task);

dev_dbg(&link->dev, "detach\n");

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index 95ef3b6f98dd..1c5d70c60354 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -1945,10 +1945,9 @@ static int ca8210_skb_tx( struct ca8210_priv *priv ) { - int status; struct ieee802154_hdr header = { }; struct secspec secspec; - unsigned int mac_len; + int mac_len, status;

dev_dbg(&priv->spi->dev, "%s called\n", __func__);

@@ -1956,6 +1955,8 @@ static int ca8210_skb_tx( * packet */ mac_len = ieee802154_hdr_peek_addrs(skb, &header); + if (mac_len < 0) + return mac_len;

secspec.security_level = header.sec.level; secspec.key_id_mode = header.sec.key_id_mode; diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c index 70c2b585f98d..1e0d62639301 100644 --- a/drivers/net/ipa/gsi_trans.c +++ b/drivers/net/ipa/gsi_trans.c @@ -159,7 +159,7 @@ int gsi_trans_pool_init_dma(struct device *dev, struct gsi_trans_pool *pool, * gsi_trans_pool_exit_dma() can assume the total allocated * size is exactly (count * size). */ - total_size = get_order(total_size) << PAGE_SHIFT; + total_size = PAGE_SIZE << get_order(total_size);

virt = dma_alloc_coherent(dev, total_size, &addr, GFP_KERNEL); if (!virt) diff --git a/drivers/net/mdio/mdio-thunder.c b/drivers/net/mdio/mdio-thunder.c index 822d2cdd2f35..394b864aaa37 100644 --- a/drivers/net/mdio/mdio-thunder.c +++ b/drivers/net/mdio/mdio-thunder.c @@ -104,6 +104,7 @@ static int thunder_mdiobus_pci_probe(struct pci_dev *pdev, if (i >= ARRAY_SIZE(nexus->buses)) break; } + fwnode_handle_put(fwn); return 0;

err_release_regions: diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c index 5bae47f3da40..b254127cea50 100644 --- a/drivers/net/mdio/of_mdio.c +++ b/drivers/net/mdio/of_mdio.c @@ -238,21 +238,23 @@ bool of_mdiobus_child_is_phy(struct device_node *child) EXPORT_SYMBOL(of_mdiobus_child_is_phy);

/** - * of_mdiobus_register - Register mii_bus and create PHYs from the device tree + * __of_mdiobus_register - Register mii_bus and create PHYs from the device tree * @mdio: pointer to mii_bus structure * @np: pointer to device_node of MDIO bus. + * @owner: module owning the @mdio object. * * This function registers the mii_bus structure and registers a phy_device * for each child node of @np. */ -int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) +int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np, + struct module *owner) { struct device_node *child; bool scanphys = false; int addr, rc;

if (!np) - return mdiobus_register(mdio); + return __mdiobus_register(mdio, owner);

/* Do not continue if the node is disabled */ if (!of_device_is_available(np)) @@ -272,7 +274,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) of_property_read_u32(np, "reset-post-delay-us", &mdio->reset_post_delay_us);

/* Register the MDIO bus */ - rc = mdiobus_register(mdio); + rc = __mdiobus_register(mdio, owner); if (rc) return rc;

@@ -336,7 +338,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) mdiobus_unregister(mdio); return rc; } -EXPORT_SYMBOL(of_mdiobus_register); +EXPORT_SYMBOL(__of_mdiobus_register);

/** * of_mdio_find_device - Given a device tree node, find the mdio_device diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c index fb182bec8f06..6b7bba720d8c 100644 --- a/drivers/net/net_failover.c +++ b/drivers/net/net_failover.c @@ -130,14 +130,10 @@ static u16 net_failover_select_queue(struct net_device *dev, txq = ops->ndo_select_queue(primary_dev, skb, sb_dev); else txq = netdev_pick_tx(primary_dev, skb, NULL); - - qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping; - - return txq; + } else { + txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; }

- txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : 0; - /* Save the original txq to restore before passing to the driver */ qdisc_skb_cb(skb)->slave_dev_queue_mapping = skb->queue_mapping;

diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index a9daff88006b..65b69ff35e40 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -553,15 +553,13 @@ static int dp83869_of_init(struct phy_device *phydev) &dp83869_internal_delay[0], delay_size, true); if (dp83869->rx_int_delay < 0) - dp83869->rx_int_delay = - dp83869_internal_delay[DP83869_CLK_DELAY_DEF]; + dp83869->rx_int_delay = DP83869_CLK_DELAY_DEF;

dp83869->tx_int_delay = phy_get_internal_delay(phydev, dev, &dp83869_internal_delay[0], delay_size, false); if (dp83869->tx_int_delay < 0) - dp83869->tx_int_delay = - dp83869_internal_delay[DP83869_CLK_DELAY_DEF]; + dp83869->tx_int_delay = DP83869_CLK_DELAY_DEF;

return ret; } diff --git a/drivers/net/phy/mdio_devres.c b/drivers/net/phy/mdio_devres.c index b560e99695df..69b829e6ab35 100644 --- a/drivers/net/phy/mdio_devres.c +++ b/drivers/net/phy/mdio_devres.c @@ -98,13 +98,14 @@ EXPORT_SYMBOL(__devm_mdiobus_register);

#if IS_ENABLED(CONFIG_OF_MDIO) /** - * devm_of_mdiobus_register - Resource managed variant of of_mdiobus_register() + * __devm_of_mdiobus_register - Resource managed variant of of_mdiobus_register() * @dev: Device to register mii_bus for * @mdio: MII bus structure to register * @np: Device node to parse + * @owner: Owning module */ -int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, - struct device_node *np) +int __devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, + struct device_node *np, struct module *owner) { struct mdiobus_devres *dr; int ret; @@ -117,7 +118,7 @@ int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, if (!dr) return -ENOMEM;

- ret = of_mdiobus_register(mdio, np); + ret = __of_mdiobus_register(mdio, np, owner); if (ret) { devres_free(dr); return ret; @@ -127,7 +128,7 @@ int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, devres_add(dev, dr); return 0; } -EXPORT_SYMBOL(devm_of_mdiobus_register); +EXPORT_SYMBOL(__devm_of_mdiobus_register); #endif /* CONFIG_OF_MDIO */

MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 18e67eb6d8b4..f3e606b6617e 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -56,6 +56,18 @@ static const char *phy_state_to_str(enum phy_state st) return NULL; }

+static void phy_process_state_change(struct phy_device *phydev, + enum phy_state old_state) +{ + if (old_state != phydev->state) { + phydev_dbg(phydev, "PHY state change %s -> %s\n", + phy_state_to_str(old_state), + phy_state_to_str(phydev->state)); + if (phydev->drv && phydev->drv->link_change_notify) + phydev->drv->link_change_notify(phydev); + } +} + static void phy_link_up(struct phy_device *phydev) { phydev->phy_link_change(phydev, true); @@ -1110,6 +1122,7 @@ EXPORT_SYMBOL(phy_free_interrupt); void phy_stop(struct phy_device *phydev) { struct net_device *dev = phydev->attached_dev; + enum phy_state old_state;

if (!phy_is_started(phydev) && phydev->state != PHY_DOWN) { WARN(1, "called from state %s\n", @@ -1118,6 +1131,7 @@ void phy_stop(struct phy_device *phydev) }

mutex_lock(&phydev->lock); + old_state = phydev->state;

if (phydev->state == PHY_CABLETEST) { phy_abort_cable_test(phydev); @@ -1128,6 +1142,7 @@ void phy_stop(struct phy_device *phydev) sfp_upstream_stop(phydev->sfp_bus);

phydev->state = PHY_HALTED; + phy_process_state_change(phydev, old_state);

mutex_unlock(&phydev->lock);

@@ -1242,13 +1257,7 @@ void phy_state_machine(struct work_struct *work) if (err < 0) phy_error(phydev);

- if (old_state != phydev->state) { - phydev_dbg(phydev, "PHY state change %s -> %s\n", - phy_state_to_str(old_state), - phy_state_to_str(phydev->state)); - if (phydev->drv && phydev->drv->link_change_notify) - phydev->drv->link_change_notify(phydev); - } + phy_process_state_change(phydev, old_state);

/* Only re-schedule a PHY state machine change if we are polling the * PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 414341c9cf5a..6ad1fb00a35c 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -663,6 +663,11 @@ static const struct usb_device_id mbim_devs[] = { .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle, },

+ /* Telit FE990 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x1081, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle, + }, + /* default entry */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info_zlp, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index bce151e3706a..070910567c44 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1297,6 +1297,7 @@ static const struct usb_device_id products[] = { {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990 */ {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index e1cd4c2de2d3..975f52605867 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1824,6 +1824,12 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) size = (u16)((header & RX_STS_FL_) >> 16); align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;

+ if (unlikely(size > skb->len)) { + netif_dbg(dev, rx_err, dev->net, + "size err header=0x%08x\n", header); + return 0; + } + if (unlikely(header & RX_STS_ES_)) { netif_dbg(dev, rx_err, dev->net, "Error header=0x%08x\n", header); diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 1ba974969216..fe99439ad5fb 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -166,7 +166,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ struct pending_tx_info pending_tx_info[MAX_PENDING_REQS]; grant_handle_t grant_tx_handle[MAX_PENDING_REQS];

- struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS]; + struct gnttab_copy tx_copy_ops[2 * MAX_PENDING_REQS]; struct gnttab_map_grant_ref tx_map_ops[MAX_PENDING_REQS]; struct gnttab_unmap_grant_ref tx_unmap_ops[MAX_PENDING_REQS]; /* passed to gnttab_[un]map_refs with pages under (un)mapping */ diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index f9373a88cf37..67614e7166ac 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -334,6 +334,7 @@ static int xenvif_count_requests(struct xenvif_queue *queue, struct xenvif_tx_cb { u16 copy_pending_idx[XEN_NETBK_LEGACY_SLOTS_MAX + 1]; u8 copy_count; + u32 split_mask; };

#define XENVIF_TX_CB(skb) ((struct xenvif_tx_cb *)(skb)->cb) @@ -361,6 +362,8 @@ static inline struct sk_buff *xenvif_alloc_skb(unsigned int size) struct sk_buff *skb = alloc_skb(size + NET_SKB_PAD + NET_IP_ALIGN, GFP_ATOMIC | __GFP_NOWARN); + + BUILD_BUG_ON(sizeof(*XENVIF_TX_CB(skb)) > sizeof(skb->cb)); if (unlikely(skb == NULL)) return NULL;

@@ -396,11 +399,13 @@ static void xenvif_get_requests(struct xenvif_queue *queue, nr_slots = shinfo->nr_frags + 1;

copy_count(skb) = 0; + XENVIF_TX_CB(skb)->split_mask = 0;

/* Create copy ops for exactly data_len bytes into the skb head. */ __skb_put(skb, data_len); while (data_len > 0) { int amount = data_len > txp->size ? txp->size : data_len; + bool split = false;

cop->source.u.ref = txp->gref; cop->source.domid = queue->vif->domid; @@ -413,6 +418,13 @@ static void xenvif_get_requests(struct xenvif_queue *queue, cop->dest.u.gmfn = virt_to_gfn(skb->data + skb_headlen(skb) - data_len);

+ /* Don't cross local page boundary! */ + if (cop->dest.offset + amount > XEN_PAGE_SIZE) { + amount = XEN_PAGE_SIZE - cop->dest.offset; + XENVIF_TX_CB(skb)->split_mask |= 1U << copy_count(skb); + split = true; + } + cop->len = amount; cop->flags = GNTCOPY_source_gref;

@@ -420,7 +432,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, pending_idx = queue->pending_ring[index]; callback_param(queue, pending_idx).ctx = NULL; copy_pending_idx(skb, copy_count(skb)) = pending_idx; - copy_count(skb)++; + if (!split) + copy_count(skb)++;

cop++; data_len -= amount; @@ -441,7 +454,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue, nr_slots--; } else { /* The copy op partially covered the tx_request. - * The remainder will be mapped. + * The remainder will be mapped or copied in the next + * iteration. */ txp->offset += amount; txp->size -= amount; @@ -539,6 +553,13 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue, pending_idx = copy_pending_idx(skb, i);

newerr = (*gopp_copy)->status; + + /* Split copies need to be handled together. */ + if (XENVIF_TX_CB(skb)->split_mask & (1U << i)) { + (*gopp_copy)++; + if (!newerr) + newerr = (*gopp_copy)->status; + } if (likely(!newerr)) { /* The first frag might still have this slot mapped */ if (i < copy_count(skb) - 1 || !sharedslot) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 82b658a3c220..7bfdf5ad77c4 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -764,32 +764,34 @@ static const struct pinconf_ops amd_pinconf_ops = { .pin_config_group_set = amd_pinconf_group_set, };

-static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) +static void amd_gpio_irq_init_pin(struct amd_gpio *gpio_dev, int pin) { - struct pinctrl_desc *desc = gpio_dev->pctrl->desc; + const struct pin_desc *pd; unsigned long flags; u32 pin_reg, mask; - int i;

mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3) | BIT(INTERRUPT_MASK_OFF) | BIT(INTERRUPT_ENABLE_OFF) | BIT(WAKE_CNTRL_OFF_S4);

- for (i = 0; i < desc->npins; i++) { - int pin = desc->pins[i].number; - const struct pin_desc *pd = pin_desc_get(gpio_dev->pctrl, pin); - - if (!pd) - continue; + pd = pin_desc_get(gpio_dev->pctrl, pin); + if (!pd) + return;

- raw_spin_lock_irqsave(&gpio_dev->lock, flags); + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + pin_reg = readl(gpio_dev->base + pin * 4); + pin_reg &= ~mask; + writel(pin_reg, gpio_dev->base + pin * 4); + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); +}

- pin_reg = readl(gpio_dev->base + i * 4); - pin_reg &= ~mask; - writel(pin_reg, gpio_dev->base + i * 4); +static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) +{ + struct pinctrl_desc *desc = gpio_dev->pctrl->desc; + int i;

- raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - } + for (i = 0; i < desc->npins; i++) + amd_gpio_irq_init_pin(gpio_dev, i); }

#ifdef CONFIG_PM_SLEEP @@ -842,8 +844,10 @@ static int amd_gpio_resume(struct device *dev) for (i = 0; i < desc->npins; i++) { int pin = desc->pins[i].number;

- if (!amd_gpio_should_save(gpio_dev, pin)) + if (!amd_gpio_should_save(gpio_dev, pin)) { + amd_gpio_irq_init_pin(gpio_dev, pin); continue; + }

raw_spin_lock_irqsave(&gpio_dev->lock, flags); gpio_dev->saved_regs[i] |= readl(gpio_dev->base + pin * 4) & PIN_IRQ_PENDING; diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index d2e2b101978f..315a6c4d9ade 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -1139,7 +1139,6 @@ static int atmel_pinctrl_probe(struct platform_device *pdev) dev_err(dev, "can't add the irq domain\n"); return -ENODEV; } - atmel_pioctrl->irq_domain->name = "atmel gpio";

for (i = 0; i < atmel_pioctrl->npins; i++) { int irq = irq_create_mapping(atmel_pioctrl->irq_domain, i); diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index a4a1b00f7f0d..c42a5b0bc4f0 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -575,7 +575,7 @@ static int ocelot_pinmux_set_mux(struct pinctrl_dev *pctldev, regmap_update_bits(info->map, REG_ALT(0, info, pin->pin), BIT(p), f << p); regmap_update_bits(info->map, REG_ALT(1, info, pin->pin), - BIT(p), f << (p - 1)); + BIT(p), (f >> 1) << p);

return 0; } diff --git a/drivers/platform/chrome/cros_ec_chardev.c b/drivers/platform/chrome/cros_ec_chardev.c index 0de7c255254e..d6de5a294128 100644 --- a/drivers/platform/chrome/cros_ec_chardev.c +++ b/drivers/platform/chrome/cros_ec_chardev.c @@ -284,7 +284,7 @@ static long cros_ec_chardev_ioctl_xcmd(struct cros_ec_dev *ec, void __user *arg) u_cmd.insize > EC_MAX_MSG_BYTES) return -EINVAL;

- s_cmd = kmalloc(sizeof(*s_cmd) + max(u_cmd.outsize, u_cmd.insize), + s_cmd = kzalloc(sizeof(*s_cmd) + max(u_cmd.outsize, u_cmd.insize), GFP_KERNEL); if (!s_cmd) return -ENOMEM; diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 8c3c378dce0d..338dd82007e4 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -448,11 +448,9 @@ static ssize_t bq24190_sysfs_show(struct device *dev, if (!info) return -EINVAL;

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

ret = bq24190_read_mask(bdi, info->reg, info->mask, info->shift, &v); if (ret) @@ -483,11 +481,9 @@ static ssize_t bq24190_sysfs_store(struct device *dev, if (ret < 0) return ret;

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

ret = bq24190_write_mask(bdi, info->reg, info->mask, info->shift, v); if (ret) @@ -506,10 +502,9 @@ static int bq24190_set_charge_mode(struct regulator_dev *dev, u8 val) struct bq24190_dev_info *bdi = rdev_get_drvdata(dev); int ret;

- ret = pm_runtime_get_sync(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); if (ret < 0) { dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", ret); - pm_runtime_put_noidle(bdi->dev); return ret; }

@@ -539,10 +534,9 @@ static int bq24190_vbus_is_enabled(struct regulator_dev *dev) int ret; u8 val;

- ret = pm_runtime_get_sync(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); if (ret < 0) { dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", ret); - pm_runtime_put_noidle(bdi->dev); return ret; }

@@ -1083,11 +1077,9 @@ static int bq24190_charger_get_property(struct power_supply *psy,

dev_dbg(bdi->dev, "prop: %d\n", psp);

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

switch (psp) { case POWER_SUPPLY_PROP_CHARGE_TYPE: @@ -1157,11 +1149,9 @@ static int bq24190_charger_set_property(struct power_supply *psy,

dev_dbg(bdi->dev, "prop: %d\n", psp);

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

switch (psp) { case POWER_SUPPLY_PROP_ONLINE: @@ -1420,11 +1410,9 @@ static int bq24190_battery_get_property(struct power_supply *psy, dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n"); dev_dbg(bdi->dev, "prop: %d\n", psp);

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

switch (psp) { case POWER_SUPPLY_PROP_STATUS: @@ -1468,11 +1456,9 @@ static int bq24190_battery_set_property(struct power_supply *psy, dev_warn(bdi->dev, "warning: /sys/class/power_supply/bq24190-battery is deprecated\n"); dev_dbg(bdi->dev, "prop: %d\n", psp);

- ret = pm_runtime_get_sync(bdi->dev); - if (ret < 0) { - pm_runtime_put_noidle(bdi->dev); + ret = pm_runtime_resume_and_get(bdi->dev); + if (ret < 0) return ret; - }

switch (psp) { case POWER_SUPPLY_PROP_ONLINE: @@ -1626,10 +1612,9 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data) int error;

bdi->irq_event = true; - error = pm_runtime_get_sync(bdi->dev); + error = pm_runtime_resume_and_get(bdi->dev); if (error < 0) { dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error); - pm_runtime_put_noidle(bdi->dev); return IRQ_NONE; } bq24190_check_status(bdi); @@ -1849,11 +1834,10 @@ static int bq24190_remove(struct i2c_client *client) struct bq24190_dev_info *bdi = i2c_get_clientdata(client); int error;

- error = pm_runtime_get_sync(bdi->dev); - if (error < 0) { + cancel_delayed_work_sync(&bdi->input_current_limit_work); + error = pm_runtime_resume_and_get(bdi->dev); + if (error < 0) dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error); - pm_runtime_put_noidle(bdi->dev); - }

bq24190_register_reset(bdi); if (bdi->battery) @@ -1902,11 +1886,9 @@ static __maybe_unused int bq24190_pm_suspend(struct device *dev) struct bq24190_dev_info *bdi = i2c_get_clientdata(client); int error;

- error = pm_runtime_get_sync(bdi->dev); - if (error < 0) { + error = pm_runtime_resume_and_get(bdi->dev); + if (error < 0) dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error); - pm_runtime_put_noidle(bdi->dev); - }

bq24190_register_reset(bdi);

@@ -1927,11 +1909,9 @@ static __maybe_unused int bq24190_pm_resume(struct device *dev) bdi->f_reg = 0; bdi->ss_reg = BQ24190_REG_SS_VBUS_STAT_MASK; /* impossible state */

- error = pm_runtime_get_sync(bdi->dev); - if (error < 0) { + error = pm_runtime_resume_and_get(bdi->dev); + if (error < 0) dev_warn(bdi->dev, "pm_runtime_get failed: %i\n", error); - pm_runtime_put_noidle(bdi->dev); - }

bq24190_register_reset(bdi); bq24190_set_config(bdi); diff --git a/drivers/power/supply/da9150-charger.c b/drivers/power/supply/da9150-charger.c index f9314cc0cd75..6b987da58655 100644 --- a/drivers/power/supply/da9150-charger.c +++ b/drivers/power/supply/da9150-charger.c @@ -662,6 +662,7 @@ static int da9150_charger_remove(struct platform_device *pdev)

if (!IS_ERR_OR_NULL(charger->usb_phy)) usb_unregister_notifier(charger->usb_phy, &charger->otg_nb); + cancel_work_sync(&charger->otg_work);

power_supply_unregister(charger->battery); power_supply_unregister(charger->usb); diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index 08f4cf0ad9e3..8fa9772acf79 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -601,7 +601,7 @@ static int ptp_qoriq_probe(struct platform_device *dev) return 0;

no_clock: - iounmap(ptp_qoriq->base); + iounmap(base); no_ioremap: release_resource(ptp_qoriq->rsrc); no_resource: diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 3de7709bdcd4..4acfff190807 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -175,7 +175,7 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) drvdata->enable_clock = devm_clk_get(dev, NULL); if (IS_ERR(drvdata->enable_clock)) { dev_err(dev, "Can't get enable-clock from devicetree\n"); - return -ENOENT; + return PTR_ERR(drvdata->enable_clock); } } else { drvdata->desc.ops = &fixed_voltage_ops; diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c index 7dc72cb718b0..22128eb44f7f 100644 --- a/drivers/s390/crypto/vfio_ap_drv.c +++ b/drivers/s390/crypto/vfio_ap_drv.c @@ -82,8 +82,9 @@ static void vfio_ap_queue_dev_remove(struct ap_device *apdev)

static void vfio_ap_matrix_dev_release(struct device *dev) { - struct ap_matrix_dev *matrix_dev = dev_get_drvdata(dev); + struct ap_matrix_dev *matrix_dev;

+ matrix_dev = container_of(dev, struct ap_matrix_dev, device); kfree(matrix_dev); }

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index fe8a5e5c0df8..bf0b3178f84d 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -1036,10 +1036,12 @@ static int alua_activate(struct scsi_device *sdev, rcu_read_unlock(); mutex_unlock(&h->init_mutex);

- if (alua_rtpg_queue(pg, sdev, qdata, true)) + if (alua_rtpg_queue(pg, sdev, qdata, true)) { fn = NULL; - else + } else { + kfree(qdata); err = SCSI_DH_DEV_OFFLINED; + } kref_put(&pg->kref, release_port_group); out: if (fn) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index cd41dc061d87..65971bd80186 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2402,8 +2402,7 @@ static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba) hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW; shost->nr_hw_queues = hisi_hba->cq_nvecs;

- devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev); - return 0; + return devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev); }

static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 755d68b98160..923ceaba0bf3 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -20816,20 +20816,20 @@ lpfc_get_io_buf_from_private_pool(struct lpfc_hba *phba, static struct lpfc_io_buf * lpfc_get_io_buf_from_expedite_pool(struct lpfc_hba *phba) { - struct lpfc_io_buf *lpfc_ncmd; + struct lpfc_io_buf *lpfc_ncmd = NULL, *iter; struct lpfc_io_buf *lpfc_ncmd_next; unsigned long iflag; struct lpfc_epd_pool *epd_pool;

epd_pool = &phba->epd_pool; - lpfc_ncmd = NULL;

spin_lock_irqsave(&epd_pool->lock, iflag); if (epd_pool->count > 0) { - list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, + list_for_each_entry_safe(iter, lpfc_ncmd_next, &epd_pool->list, list) { - list_del(&lpfc_ncmd->list); + list_del(&iter->list); epd_pool->count--; + lpfc_ncmd = iter; break; } } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 7838c7911add..8eb126d48462 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -4656,7 +4656,7 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd) devhandle = megasas_get_tm_devhandle(scmd->device);

if (devhandle == (u16)ULONG_MAX) { - ret = SUCCESS; + ret = FAILED; sdev_printk(KERN_INFO, scmd->device, "task abort issued for invalid devhandle\n"); mutex_unlock(&instance->reset_mutex); @@ -4726,7 +4726,7 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd) devhandle = megasas_get_tm_devhandle(scmd->device);

if (devhandle == (u16)ULONG_MAX) { - ret = SUCCESS; + ret = FAILED; sdev_printk(KERN_INFO, scmd->device, "target reset issued for invalid devhandle\n"); mutex_unlock(&instance->reset_mutex); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index e1132970f189..38b8ff87ec0a 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1762,6 +1762,17 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res) for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { + /* + * perform lockless completion during driver unload + */ + if (qla2x00_chip_is_down(vha)) { + req->outstanding_cmds[cnt] = NULL; + spin_unlock_irqrestore(qp->qp_lock_ptr, flags); + sp->done(sp, res); + spin_lock_irqsave(qp->qp_lock_ptr, flags); + continue; + } + switch (sp->cmd_type) { case TYPE_SRB: qla2x00_abort_srb(qp, sp, res, &flags); diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 9a8f9f902f3b..f5e121f0ee52 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -232,6 +232,7 @@ static struct { {"SGI", "RAID5", "*", BLIST_SPARSELUN}, {"SGI", "TP9100", "*", BLIST_REPORTLUN2}, {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"SKhynix", "H28U74301AMR", NULL, BLIST_SKIP_VPD_PAGES}, {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 3fa8a0c94bdc..e38aebcabb26 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1013,6 +1013,22 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, goto do_work; }

+ /* + * Check for "Operating parameters have changed" + * due to Hyper-V changing the VHD/VHDX BlockSize + * when adding/removing a differencing disk. This + * causes discard_granularity to change, so do a + * rescan to pick up the new granularity. We don't + * want scsi_report_sense() to output a message + * that a sysadmin wouldn't know what to do with. + */ + if ((asc == 0x3f) && (ascq != 0x03) && + (ascq != 0x0e)) { + process_err_fn = storvsc_device_scan; + set_host_byte(scmnd, DID_REQUEUE); + goto do_work; + } + /* * Otherwise, let upper layer deal with the * error when sense message is present diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index ea6ceab1a1b2..f3389e913179 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -9311,5 +9311,6 @@ EXPORT_SYMBOL_GPL(ufshcd_init); MODULE_AUTHOR("Santosh Yaragnavi santosh.sy@samsung.com"); MODULE_AUTHOR("Vinayak Holikatti h.vinayak@samsung.com"); MODULE_DESCRIPTION("Generic UFS host controller driver Core"); +MODULE_SOFTDEP("pre: governor_simpleondemand"); MODULE_LICENSE("GPL"); MODULE_VERSION(UFSHCD_DRIVER_VERSION); diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 7a461fbb1566..31cd3c02e517 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -1262,18 +1262,20 @@ static struct iscsi_param *iscsi_check_key( return param;

if (!(param->phase & phase)) { - pr_err("Key "%s" may not be negotiated during ", - param->name); + char *phase_name; + switch (phase) { case PHASE_SECURITY: - pr_debug("Security phase.\n"); + phase_name = "Security"; break; case PHASE_OPERATIONAL: - pr_debug("Operational phase.\n"); + phase_name = "Operational"; break; default: - pr_debug("Unknown phase.\n"); + phase_name = "Unknown"; } + pr_err("Key "%s" may not be negotiated during %s phase.\n", + param->name, phase_name); return NULL; }

diff --git a/drivers/tee/amdtee/core.c b/drivers/tee/amdtee/core.c index 297dc62bca29..372d64756ed6 100644 --- a/drivers/tee/amdtee/core.c +++ b/drivers/tee/amdtee/core.c @@ -267,35 +267,34 @@ int amdtee_open_session(struct tee_context *ctx, goto out; }

+ /* Open session with loaded TA */ + handle_open_session(arg, &session_info, param); + if (arg->ret != TEEC_SUCCESS) { + pr_err("open_session failed %d\n", arg->ret); + handle_unload_ta(ta_handle); + kref_put(&sess->refcount, destroy_session); + goto out; + } + /* Find an empty session index for the given TA */ spin_lock(&sess->lock); i = find_first_zero_bit(sess->sess_mask, TEE_NUM_SESSIONS); - if (i < TEE_NUM_SESSIONS) + if (i < TEE_NUM_SESSIONS) { + sess->session_info[i] = session_info; + set_session_id(ta_handle, i, &arg->session); set_bit(i, sess->sess_mask); + } spin_unlock(&sess->lock);

if (i >= TEE_NUM_SESSIONS) { pr_err("reached maximum session count %d\n", TEE_NUM_SESSIONS); + handle_close_session(ta_handle, session_info); handle_unload_ta(ta_handle); kref_put(&sess->refcount, destroy_session); rc = -ENOMEM; goto out; }

- /* Open session with loaded TA */ - handle_open_session(arg, &session_info, param); - if (arg->ret != TEEC_SUCCESS) { - pr_err("open_session failed %d\n", arg->ret); - spin_lock(&sess->lock); - clear_bit(i, sess->sess_mask); - spin_unlock(&sess->lock); - handle_unload_ta(ta_handle); - kref_put(&sess->refcount, destroy_session); - goto out; - } - - sess->session_info[i] = session_info; - set_session_id(ta_handle, i, &arg->session); out: free_pages((u64)ta, get_order(ta_size)); return rc; diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index db80dc5dfeba..fd1b59397c70 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -36,7 +36,7 @@

#define NHI_MAILBOX_TIMEOUT 500 /* ms */

-static int ring_interrupt_index(struct tb_ring *ring) +static int ring_interrupt_index(const struct tb_ring *ring) { int bit = ring->hop; if (!ring->is_tx) diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 0b3a77ade04d..5b45c45e7c5b 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -1636,18 +1636,30 @@ static int usb4_usb3_port_write_allocated_bandwidth(struct tb_port *port, int downstream_bw) { u32 val, ubw, dbw, scale; - int ret; + int ret, max_bw;

- /* Read the used scale, hardware default is 0 */ - ret = tb_port_read(port, &scale, TB_CFG_PORT, - port->cap_adap + ADP_USB3_CS_3, 1); + /* Figure out suitable scale */ + scale = 0; + max_bw = max(upstream_bw, downstream_bw); + while (scale < 64) { + if (mbps_to_usb3_bw(max_bw, scale) < 4096) + break; + scale++; + } + + if (WARN_ON(scale >= 64)) + return -EINVAL; + + ret = tb_port_write(port, &scale, TB_CFG_PORT, + port->cap_adap + ADP_USB3_CS_3, 1); if (ret) return ret;

- scale &= ADP_USB3_CS_3_SCALE_MASK; ubw = mbps_to_usb3_bw(upstream_bw, scale); dbw = mbps_to_usb3_bw(downstream_bw, scale);

+ tb_port_dbg(port, "scaled bandwidth %u/%u, scale %u\n", ubw, dbw, scale); + ret = tb_port_read(port, &val, TB_CFG_PORT, port->cap_adap + ADP_USB3_CS_2, 1); if (ret) diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index 136f2b1460f9..b7922c8da1e6 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -254,7 +254,9 @@ config SERIAL_8250_ASPEED_VUART tristate "Aspeed Virtual UART" depends on SERIAL_8250 depends on OF - depends on REGMAP && MFD_SYSCON + depends on MFD_SYSCON + depends on ARCH_ASPEED || COMPILE_TEST + select REGMAP help If you want to use the virtual UART (VUART) device on Aspeed BMC platforms, enable this option. This enables the 16550A- diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 32cce52800a7..99f29bd930bd 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1278,6 +1278,7 @@ static void lpuart_dma_rx_free(struct uart_port *port) struct dma_chan *chan = sport->dma_rx_chan;

dmaengine_terminate_all(chan); + del_timer_sync(&sport->lpuart_timer); dma_unmap_sg(chan->device->dev, &sport->rx_sgl, 1, DMA_FROM_DEVICE); kfree(sport->rx_ring.buf); sport->rx_ring.tail = 0; @@ -1743,7 +1744,6 @@ static int lpuart32_startup(struct uart_port *port) static void lpuart_dma_shutdown(struct lpuart_port *sport) { if (sport->lpuart_dma_rx_use) { - del_timer_sync(&sport->lpuart_timer); lpuart_dma_rx_free(&sport->port); sport->lpuart_dma_rx_use = false; } @@ -1894,10 +1894,8 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios, * Since timer function acqures sport->port.lock, need to stop before * acquring same lock because otherwise del_timer_sync() can deadlock. */ - if (old && sport->lpuart_dma_rx_use) { - del_timer_sync(&sport->lpuart_timer); + if (old && sport->lpuart_dma_rx_use) lpuart_dma_rx_free(&sport->port); - }

spin_lock_irqsave(&sport->port.lock, flags);

@@ -2129,10 +2127,8 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, * Since timer function acqures sport->port.lock, need to stop before * acquring same lock because otherwise del_timer_sync() can deadlock. */ - if (old && sport->lpuart_dma_rx_use) { - del_timer_sync(&sport->lpuart_timer); + if (old && sport->lpuart_dma_rx_use) lpuart_dma_rx_free(&sport->port); - }

spin_lock_irqsave(&sport->port.lock, flags);

@@ -2766,11 +2762,10 @@ static int __maybe_unused lpuart_suspend(struct device *dev) * EDMA driver during suspend will forcefully release any * non-idle DMA channels. If port wakeup is enabled or if port * is console port or 'no_console_suspend' is set the Rx DMA - * cannot resume as as expected, hence gracefully release the + * cannot resume as expected, hence gracefully release the * Rx DMA path before suspend and start Rx DMA path on resume. */ if (irq_wake) { - del_timer_sync(&sport->lpuart_timer); lpuart_dma_rx_free(&sport->port); }

diff --git a/drivers/usb/cdns3/cdns3-pci-wrap.c b/drivers/usb/cdns3/cdns3-pci-wrap.c index deeea618ba33..1f6320d98a76 100644 --- a/drivers/usb/cdns3/cdns3-pci-wrap.c +++ b/drivers/usb/cdns3/cdns3-pci-wrap.c @@ -60,6 +60,11 @@ static struct pci_dev *cdns3_get_second_fun(struct pci_dev *pdev) return NULL; }

+ if (func->devfn != PCI_DEV_FN_HOST_DEVICE && + func->devfn != PCI_DEV_FN_OTG) { + return NULL; + } + return func; }

diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 0697eb980e5f..7b00b93dad9b 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -204,6 +204,7 @@ struct hw_bank { * @in_lpm: if the core in low power mode * @wakeup_int: if wakeup interrupt occur * @rev: The revision number for controller + * @mutex: protect code from concorrent running when doing role switch */ struct ci_hdrc { struct device *dev; @@ -257,6 +258,7 @@ struct ci_hdrc { bool in_lpm; bool wakeup_int; enum ci_revision rev; + struct mutex mutex; };

static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 127b1a62b1bf..f26dd1f054f2 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -966,9 +966,16 @@ static ssize_t role_store(struct device *dev, strlen(ci->roles[role]->name))) break;

- if (role == CI_ROLE_END || role == ci->role) + if (role == CI_ROLE_END) return -EINVAL;

+ mutex_lock(&ci->mutex); + + if (role == ci->role) { + mutex_unlock(&ci->mutex); + return n; + } + pm_runtime_get_sync(dev); disable_irq(ci->irq); ci_role_stop(ci); @@ -977,6 +984,7 @@ static ssize_t role_store(struct device *dev, ci_handle_vbus_change(ci); enable_irq(ci->irq); pm_runtime_put_sync(dev); + mutex_unlock(&ci->mutex);

return (ret == 0) ? n : ret; } @@ -1012,6 +1020,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) return -ENOMEM;

spin_lock_init(&ci->lock); + mutex_init(&ci->mutex); ci->dev = dev; ci->platdata = dev_get_platdata(dev); ci->imx28_write_fix = !!(ci->platdata->flags & diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index d3aada3ce7ec..9a12868ea9b6 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -166,8 +166,10 @@ static int hw_wait_vbus_lower_bsv(struct ci_hdrc *ci)

static void ci_handle_id_switch(struct ci_hdrc *ci) { - enum ci_role role = ci_otg_role(ci); + enum ci_role role;

+ mutex_lock(&ci->mutex); + role = ci_otg_role(ci); if (role != ci->role) { dev_dbg(ci->dev, "switching from %s to %s\n", ci_role(ci)->name, ci->roles[role]->name); @@ -197,6 +199,7 @@ static void ci_handle_id_switch(struct ci_hdrc *ci) if (role == CI_ROLE_GADGET) ci_handle_vbus_change(ci); } + mutex_unlock(&ci->mutex); } /** * ci_otg_work - perform otg (vbus/id) event handle diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 8851db646ef5..9d0dd09a2015 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -121,13 +121,6 @@ static int dwc2_get_dr_mode(struct dwc2_hsotg *hsotg) return 0; }

-static void __dwc2_disable_regulators(void *data) -{ - struct dwc2_hsotg *hsotg = data; - - regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); -} - static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg) { struct platform_device *pdev = to_platform_device(hsotg->dev); @@ -138,11 +131,6 @@ static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg) if (ret) return ret;

- ret = devm_add_action_or_reset(&pdev->dev, - __dwc2_disable_regulators, hsotg); - if (ret) - return ret; - if (hsotg->clk) { ret = clk_prepare_enable(hsotg->clk); if (ret) @@ -198,7 +186,7 @@ static int __dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg) if (hsotg->clk) clk_disable_unprepare(hsotg->clk);

- return 0; + return regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); }

/** @@ -625,7 +613,7 @@ static int dwc2_driver_probe(struct platform_device *dev) if (hsotg->params.activate_stm_id_vb_detection) regulator_disable(hsotg->usb33d); error: - if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) + if (hsotg->ll_hw_enabled) dwc2_lowlevel_hw_disable(hsotg); return retval; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 28a1194f849f..01cecde76140 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1440,6 +1440,44 @@ static int __dwc3_gadget_get_frame(struct dwc3 *dwc) return DWC3_DSTS_SOFFN(reg); }

+/** + * __dwc3_stop_active_transfer - stop the current active transfer + * @dep: isoc endpoint + * @force: set forcerm bit in the command + * @interrupt: command complete interrupt after End Transfer command + * + * When setting force, the ForceRM bit will be set. In that case + * the controller won't update the TRB progress on command + * completion. It also won't clear the HWO bit in the TRB. + * The command will also not complete immediately in that case. + */ +static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt) +{ + struct dwc3 *dwc = dep->dwc; + struct dwc3_gadget_ep_cmd_params params; + u32 cmd; + int ret; + + cmd = DWC3_DEPCMD_ENDTRANSFER; + cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0; + cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0; + cmd |= DWC3_DEPCMD_PARAM(dep->resource_index); + memset(&params, 0, sizeof(params)); + ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); + WARN_ON_ONCE(ret); + dep->resource_index = 0; + + if (!interrupt) { + if (!DWC3_IP_IS(DWC3) || DWC3_VER_IS_PRIOR(DWC3, 310A)) + mdelay(1); + dep->flags &= ~DWC3_EP_TRANSFER_STARTED; + } else if (!ret) { + dep->flags |= DWC3_EP_END_TRANSFER_PENDING; + } + + return ret; +} + /** * dwc3_gadget_start_isoc_quirk - workaround invalid frame number * @dep: isoc endpoint @@ -1609,21 +1647,8 @@ static int __dwc3_gadget_start_isoc(struct dwc3_ep *dep) * status, issue END_TRANSFER command and retry on the next XferNotReady * event. */ - if (ret == -EAGAIN) { - struct dwc3_gadget_ep_cmd_params params; - u32 cmd; - - cmd = DWC3_DEPCMD_ENDTRANSFER | - DWC3_DEPCMD_CMDIOC | - DWC3_DEPCMD_PARAM(dep->resource_index); - - dep->resource_index = 0; - memset(&params, 0, sizeof(params)); - - ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); - if (!ret) - dep->flags |= DWC3_EP_END_TRANSFER_PENDING; - } + if (ret == -EAGAIN) + ret = __dwc3_stop_active_transfer(dep, false, true);

return ret; } @@ -3250,10 +3275,6 @@ static void dwc3_reset_gadget(struct dwc3 *dwc) static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt) { - struct dwc3_gadget_ep_cmd_params params; - u32 cmd; - int ret; - if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) || (dep->flags & DWC3_EP_END_TRANSFER_PENDING)) return; @@ -3282,22 +3303,14 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, * enabled, the EndTransfer command will have completed upon * returning from this function. * - * This mode is NOT available on the DWC_usb31 IP. + * This mode is NOT available on the DWC_usb31 IP. In this + * case, if the IOC bit is not set, then delay by 1ms + * after issuing the EndTransfer command. This allows for the + * controller to handle the command completely before DWC3 + * remove requests attempts to unmap USB request buffers. */

- cmd = DWC3_DEPCMD_ENDTRANSFER; - cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0; - cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0; - cmd |= DWC3_DEPCMD_PARAM(dep->resource_index); - memset(&params, 0, sizeof(params)); - ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params); - WARN_ON_ONCE(ret); - dep->resource_index = 0; - - if (!interrupt) - dep->flags &= ~DWC3_EP_TRANSFER_STARTED; - else - dep->flags |= DWC3_EP_END_TRANSFER_PENDING; + __dwc3_stop_active_transfer(dep, force, interrupt); }

static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 95605b1ef4eb..6c8b8f5b7e0f 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -613,7 +613,7 @@ void g_audio_cleanup(struct g_audio *g_audio) uac = g_audio->uac; card = uac->card; if (card) - snd_card_free(card); + snd_card_free_when_closed(card);

kfree(uac->p_prm.ureq); kfree(uac->c_prm.ureq); diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index c7b763d6d102..1f8c9b16a0fb 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -111,6 +111,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_BROKEN_FUA),

+/* Reported by: Yaroslav Furman yaro330@gmail.com */ +UNUSUAL_DEV(0x152d, 0x0583, 0x0000, 0x9999, + "JMicron", + "JMS583Gen 2", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + /* Reported-by: Thinh Nguyen thinhn@synopsys.com */ UNUSUAL_DEV(0x154b, 0xf00b, 0x0000, 0x9999, "PNY", diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 4cd5c291cdf3..cd3689005c31 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1152,7 +1152,7 @@ static int ucsi_register_port(struct ucsi *ucsi, int index) static int ucsi_init(struct ucsi *ucsi) { struct ucsi_connector *con; - u64 command; + u64 command, ntfy; int ret; int i;

@@ -1164,8 +1164,8 @@ static int ucsi_init(struct ucsi *ucsi) }

/* Enable basic notifications */ - ucsi->ntfy = UCSI_ENABLE_NTFY_CMD_COMPLETE | UCSI_ENABLE_NTFY_ERROR; - command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy; + ntfy = UCSI_ENABLE_NTFY_CMD_COMPLETE | UCSI_ENABLE_NTFY_ERROR; + command = UCSI_SET_NOTIFICATION_ENABLE | ntfy; ret = ucsi_send_command(ucsi, command, NULL, 0); if (ret < 0) goto err_reset; @@ -1197,12 +1197,13 @@ static int ucsi_init(struct ucsi *ucsi) }

/* Enable all notifications */ - ucsi->ntfy = UCSI_ENABLE_NTFY_ALL; - command = UCSI_SET_NOTIFICATION_ENABLE | ucsi->ntfy; + ntfy = UCSI_ENABLE_NTFY_ALL; + command = UCSI_SET_NOTIFICATION_ENABLE | ntfy; ret = ucsi_send_command(ucsi, command, NULL, 0); if (ret < 0) goto err_unregister;

+ ucsi->ntfy = ntfy; return 0;

err_unregister: diff --git a/drivers/video/fbdev/au1200fb.c b/drivers/video/fbdev/au1200fb.c index c00e01a17368..a8a0a448cdb5 100644 --- a/drivers/video/fbdev/au1200fb.c +++ b/drivers/video/fbdev/au1200fb.c @@ -1040,6 +1040,9 @@ static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, u32 pixclock; int screen_size, plane;

+ if (!var->pixclock) + return -EINVAL; + plane = fbdev->plane;

/* Make sure that the mode respect all LCD controller and diff --git a/drivers/video/fbdev/geode/lxfb_core.c b/drivers/video/fbdev/geode/lxfb_core.c index 66c81262d18f..6c6b6efb49f6 100644 --- a/drivers/video/fbdev/geode/lxfb_core.c +++ b/drivers/video/fbdev/geode/lxfb_core.c @@ -234,6 +234,9 @@ static void get_modedb(struct fb_videomode **modedb, unsigned int *size)

static int lxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { + if (!var->pixclock) + return -EINVAL; + if (var->xres > 1920 || var->yres > 1440) return -EINVAL;

diff --git a/drivers/video/fbdev/intelfb/intelfbdrv.c b/drivers/video/fbdev/intelfb/intelfbdrv.c index a9579964eaba..8a703adfa936 100644 --- a/drivers/video/fbdev/intelfb/intelfbdrv.c +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c @@ -1214,6 +1214,9 @@ static int intelfb_check_var(struct fb_var_screeninfo *var,

dinfo = GET_DINFO(info);

+ if (!var->pixclock) + return -EINVAL; + /* update the pitch */ if (intelfbhw_validate_mode(dinfo, var) != 0) return -EINVAL; diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c index a372a183c1f0..f9c388a8c10e 100644 --- a/drivers/video/fbdev/nvidia/nvidia.c +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -763,6 +763,8 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var, int pitch, err = 0;

NVTRACE_ENTER(); + if (!var->pixclock) + return -EINVAL;

var->transp.offset = 0; var->transp.length = 0; diff --git a/drivers/video/fbdev/tgafb.c b/drivers/video/fbdev/tgafb.c index 666fbe2f671c..98a2977fd427 100644 --- a/drivers/video/fbdev/tgafb.c +++ b/drivers/video/fbdev/tgafb.c @@ -166,6 +166,9 @@ tgafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct tga_par *par = (struct tga_par *)info->par;

+ if (!var->pixclock) + return -EINVAL; + if (par->tga_type == TGA_TYPE_8PLANE) { if (var->bits_per_pixel != 8) return -EINVAL; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index fc335b5e44df..10686b494f0a 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -4254,7 +4254,9 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg) }

/* update qgroup status and info */ + mutex_lock(&fs_info->qgroup_ioctl_lock); err = btrfs_run_qgroups(trans); + mutex_unlock(&fs_info->qgroup_ioctl_lock); if (err < 0) btrfs_handle_fs_error(fs_info, err, "failed to update qgroup status and info"); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 9fe6a01ea8b8..3fc689154bb5 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2762,13 +2762,22 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans) }

/* - * called from commit_transaction. Writes all changed qgroups to disk. + * Writes all changed qgroups to disk. + * Called by the transaction commit path and the qgroup assign ioctl. */ int btrfs_run_qgroups(struct btrfs_trans_handle *trans) { struct btrfs_fs_info *fs_info = trans->fs_info; int ret = 0;

+ /* + * In case we are called from the qgroup assign ioctl, assert that we + * are holding the qgroup_ioctl_lock, otherwise we can race with a quota + * disable operation (ioctl) and access a freed quota root. + */ + if (trans->transaction->state != TRANS_STATE_COMMIT_DOING) + lockdep_assert_held(&fs_info->qgroup_ioctl_lock); + if (!fs_info->quota_root) return ret;

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 15435f983180..83dca79ff042 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1411,8 +1411,17 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, fmode_t flags, * later supers, using BTRFS_SUPER_MIRROR_MAX instead */ bytenr = btrfs_sb_offset(0); - flags |= FMODE_EXCL;

+ /* + * Avoid using flag |= FMODE_EXCL here, as the systemd-udev may + * initiate the device scan which may race with the user's mount + * or mkfs command, resulting in failure. + * Since the device scan is solely for reading purposes, there is + * no need for FMODE_EXCL. Additionally, the devices are read again + * during the mount process. It is ok to get some inconsistent + * values temporarily, as the device paths of the fsid are the only + * required information for assembling the volume. + */ bdev = blkdev_get_by_path(path, flags, holder); if (IS_ERR(bdev)) return ERR_CAST(bdev); diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index e996f0bef414..59c41412ebaf 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -126,7 +126,10 @@ extern const struct dentry_operations cifs_ci_dentry_ops; #ifdef CONFIG_CIFS_DFS_UPCALL extern struct vfsmount *cifs_dfs_d_automount(struct path *path); #else -#define cifs_dfs_d_automount NULL +static inline struct vfsmount *cifs_dfs_d_automount(struct path *path) +{ + return ERR_PTR(-EREMOTE); +} #endif

/* Functions related to symlinks */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index c279527aae92..95992c93bbe3 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4859,8 +4859,13 @@ CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, return -ENODEV;

getDFSRetry: - rc = smb_init(SMB_COM_TRANSACTION2, 15, ses->tcon_ipc, (void **) &pSMB, - (void **) &pSMBr); + /* + * Use smb_init_no_reconnect() instead of smb_init() as + * CIFSGetDFSRefer() may be called from cifs_reconnect_tcon() and thus + * causing an infinite recursion. + */ + rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, ses->tcon_ipc, + (void **)&pSMB, (void **)&pSMBr); if (rc) return rc;

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 8fdd34ff20ef..120c7cb11b02 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -593,7 +593,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) if (rc == -EOPNOTSUPP) { cifs_dbg(FYI, "server does not support query network interfaces\n"); - goto out; + ret_data_len = 0; } else if (rc != 0) { cifs_tcon_dbg(VFS, "error %d on ioctl to get interface list\n", rc); goto out; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6ba185b46ba3..9bd5f8b0511b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1303,7 +1303,8 @@ static int ext4_write_end(struct file *file, bool verity = ext4_verity_in_progress(inode);

trace_ext4_write_end(inode, pos, len, copied); - if (inline_data) { + if (inline_data && + ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { ret = ext4_write_inline_data_end(inode, pos, len, copied, page); if (ret < 0) { diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 530659554870..a0430da033b3 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -451,8 +451,6 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) return error;

kaddr = kmap_atomic(page); - if (dsize > gfs2_max_stuffed_size(ip)) - dsize = gfs2_max_stuffed_size(ip); memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize); memset(kaddr + dsize, 0, PAGE_SIZE - dsize); kunmap_atomic(kaddr); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index b4fde3a8eeb4..eaee95d2ad14 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -69,9 +69,6 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh, void *kaddr = kmap(page); u64 dsize = i_size_read(inode);

- if (dsize > gfs2_max_stuffed_size(ip)) - dsize = gfs2_max_stuffed_size(ip); - memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize); memset(kaddr + dsize, 0, PAGE_SIZE - dsize); kunmap(page); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index bf539eab92c6..db28c240dae3 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -454,6 +454,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_depth = (u8)depth; ip->i_entries = be32_to_cpu(str->di_entries);

+ if (gfs2_is_stuffed(ip) && ip->i_inode.i_size > gfs2_max_stuffed_size(ip)) + goto corrupt; + if (S_ISREG(ip->i_inode.i_mode)) gfs2_set_aops(&ip->i_inode);

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8653335c17b6..bca5d1bdd79b 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1975,8 +1975,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data) if (!data->rpc_done) { if (data->rpc_status) return ERR_PTR(data->rpc_status); - /* cached opens have already been processed */ - goto update; + return nfs4_try_open_cached(data); }

ret = nfs_refresh_inode(inode, &data->f_attr); @@ -1985,7 +1984,7 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data)

if (data->o_res.delegation_type != 0) nfs4_opendata_check_deleg(data, state); -update: + if (!update_open_stateid(state, &data->o_res.stateid, NULL, data->o_arg.fmode)) return ERR_PTR(-EAGAIN); diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index f82cfe843b99..3c651cbcf897 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1248,13 +1248,6 @@ nfsd4_interssc_connect(struct nl4_server *nss, struct svc_rqst *rqstp, return status; }

-static void -nfsd4_interssc_disconnect(struct vfsmount *ss_mnt) -{ - nfs_do_sb_deactive(ss_mnt->mnt_sb); - mntput(ss_mnt); -} - /* * Verify COPY destination stateid. * @@ -1325,11 +1318,6 @@ nfsd4_cleanup_inter_ssc(struct vfsmount *ss_mnt, struct nfsd_file *src, { }

-static void -nfsd4_interssc_disconnect(struct vfsmount *ss_mnt) -{ -} - static struct file *nfs42_ssc_open(struct vfsmount *ss_mnt, struct nfs_fh *src_fh, nfs4_stateid *stateid) @@ -1471,14 +1459,14 @@ static int nfsd4_do_async_copy(void *data) copy->nf_src = kzalloc(sizeof(struct nfsd_file), GFP_KERNEL); if (!copy->nf_src) { copy->nfserr = nfserr_serverfault; - nfsd4_interssc_disconnect(copy->ss_mnt); + /* ss_mnt will be unmounted by the laundromat */ goto do_callback; } copy->nf_src->nf_file = nfs42_ssc_open(copy->ss_mnt, &copy->c_fh, &copy->stateid); if (IS_ERR(copy->nf_src->nf_file)) { copy->nfserr = nfserr_offload_denied; - nfsd4_interssc_disconnect(copy->ss_mnt); + /* ss_mnt will be unmounted by the laundromat */ goto do_callback; } } @@ -1561,8 +1549,10 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (async_copy) cleanup_async_copy(async_copy); status = nfserrno(-ENOMEM); - if (!copy->cp_intra) - nfsd4_interssc_disconnect(copy->ss_mnt); + /* + * source's vfsmount of inter-copy will be unmounted + * by the laundromat + */ goto out; }

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 3a1dea5d1448..01235fac5971 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -70,7 +70,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, if (argv->v_index > ~(__u64)0 - argv->v_nmembs) return -EINVAL;

- buf = (void *)__get_free_pages(GFP_NOFS, 0); + buf = (void *)get_zeroed_page(GFP_NOFS); if (unlikely(!buf)) return -ENOMEM; maxmembs = PAGE_SIZE / argv->v_size; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index ad20403b383f..9b23e74036eb 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1981,11 +1981,25 @@ int ocfs2_write_end_nolock(struct address_space *mapping, }

if (unlikely(copied < len) && wc->w_target_page) { + loff_t new_isize; + if (!PageUptodate(wc->w_target_page)) copied = 0;

- ocfs2_zero_new_buffers(wc->w_target_page, start+copied, - start+len); + new_isize = max_t(loff_t, i_size_read(inode), pos + copied); + if (new_isize > page_offset(wc->w_target_page)) + ocfs2_zero_new_buffers(wc->w_target_page, start+copied, + start+len); + else { + /* + * When page is fully beyond new isize (data copy + * failed), do not bother zeroing the page. Invalidate + * it instead so that writeback does not get confused + * put page & buffer dirty bits into inconsistent + * state. + */ + block_invalidatepage(wc->w_target_page, 0, PAGE_SIZE); + } } if (wc->w_target_page) flush_dcache_page(wc->w_target_page); diff --git a/fs/verity/enable.c b/fs/verity/enable.c index 734862e608fd..5ceae66e1ae0 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -391,25 +391,27 @@ int fsverity_ioctl_enable(struct file *filp, const void __user *uarg) goto out_drop_write;

err = enable_verity(filp, &arg); - if (err) - goto out_allow_write_access;

/* - * Some pages of the file may have been evicted from pagecache after - * being used in the Merkle tree construction, then read into pagecache - * again by another process reading from the file concurrently. Since - * these pages didn't undergo verification against the file measurement - * which fs-verity now claims to be enforcing, we have to wipe the - * pagecache to ensure that all future reads are verified. + * We no longer drop the inode's pagecache after enabling verity. This + * used to be done to try to avoid a race condition where pages could be + * evicted after being used in the Merkle tree construction, then + * re-instantiated by a concurrent read. Such pages are unverified, and + * the backing storage could have filled them with different content, so + * they shouldn't be used to fulfill reads once verity is enabled. + * + * But, dropping the pagecache has a big performance impact, and it + * doesn't fully solve the race condition anyway. So for those reasons, + * and also because this race condition isn't very important relatively + * speaking (especially for small-ish files, where the chance of a page + * being used, evicted, *and* re-instantiated all while enabling verity + * is quite small), we no longer drop the inode's pagecache. */ - filemap_write_and_wait(inode->i_mapping); - invalidate_inode_pages2(inode->i_mapping);

/* * allow_write_access() is needed to pair with deny_write_access(). * Regardless, the filesystem won't allow writing to verity files. */ -out_allow_write_access: allow_write_access(filp); out_drop_write: mnt_drop_write_file(filp); diff --git a/fs/verity/verify.c b/fs/verity/verify.c index a8b68c6f663d..d3a3a359d815 100644 --- a/fs/verity/verify.c +++ b/fs/verity/verify.c @@ -279,15 +279,15 @@ EXPORT_SYMBOL_GPL(fsverity_enqueue_verify_work); int __init fsverity_init_workqueue(void) { /* - * Use an unbound workqueue to allow bios to be verified in parallel - * even when they happen to complete on the same CPU. This sacrifices - * locality, but it's worthwhile since hashing is CPU-intensive. + * Use a high-priority workqueue to prioritize verification work, which + * blocks reads from completing, over regular application tasks. * - * Also use a high-priority workqueue to prioritize verification work, - * which blocks reads from completing, over regular application tasks. + * For performance reasons, don't use an unbound workqueue. Using an + * unbound workqueue for crypto operations causes excessive scheduler + * latency on ARM64. */ fsverity_read_workqueue = alloc_workqueue("fsverity_read_queue", - WQ_UNBOUND | WQ_HIGHPRI, + WQ_HIGHPRI, num_online_cpus()); if (!fsverity_read_workqueue) return -ENOMEM; diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c index 5c2695a42de1..a4075685d9eb 100644 --- a/fs/xfs/xfs_extent_busy.c +++ b/fs/xfs/xfs_extent_busy.c @@ -344,7 +344,6 @@ xfs_extent_busy_trim( ASSERT(*len > 0);

spin_lock(&args->pag->pagb_lock); -restart: fbno = *bno; flen = *len; rbp = args->pag->pagb_tree.rb_node; @@ -363,19 +362,6 @@ xfs_extent_busy_trim( continue; }

- /* - * If this is a metadata allocation, try to reuse the busy - * extent instead of trimming the allocation. - */ - if (!(args->datatype & XFS_ALLOC_USERDATA) && - !(busyp->flags & XFS_EXTENT_BUSY_DISCARDED)) { - if (!xfs_extent_busy_update_extent(args->mp, args->pag, - busyp, fbno, flen, - false)) - goto restart; - continue; - } - if (bbno <= fbno) { /* start overlap */

diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c index 288ea38c43ad..5ca210e6626c 100644 --- a/fs/xfs/xfs_trans_dquot.c +++ b/fs/xfs/xfs_trans_dquot.c @@ -16,6 +16,7 @@ #include "xfs_quota.h" #include "xfs_qm.h" #include "xfs_trace.h" +#include "xfs_error.h"

STATIC void xfs_trans_alloc_dqinfo(xfs_trans_t *);

@@ -708,9 +709,11 @@ xfs_trans_dqresv( XFS_TRANS_DQ_RES_INOS, ninos); } - ASSERT(dqp->q_blk.reserved >= dqp->q_blk.count); - ASSERT(dqp->q_rtb.reserved >= dqp->q_rtb.count); - ASSERT(dqp->q_ino.reserved >= dqp->q_ino.count); + + if (XFS_IS_CORRUPT(mp, dqp->q_blk.reserved < dqp->q_blk.count) || + XFS_IS_CORRUPT(mp, dqp->q_rtb.reserved < dqp->q_rtb.count) || + XFS_IS_CORRUPT(mp, dqp->q_ino.reserved < dqp->q_ino.count)) + goto error_corrupt;

xfs_dqunlock(dqp); return 0; @@ -720,6 +723,10 @@ xfs_trans_dqresv( if (xfs_dquot_type(dqp) == XFS_DQTYPE_PROJ) return -ENOSPC; return -EDQUOT; +error_corrupt: + xfs_dqunlock(dqp); + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); + return -EFSCORRUPTED; }

diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 66a089a62c39..b9522eee1257 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -789,7 +789,7 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) if (bio->bi_iter.bi_sector != wpsector) { zonefs_warn(inode->i_sb, "Corrupted write pointer %llu for zone at %llu\n", - wpsector, zi->i_zsector); + bio->bi_iter.bi_sector, zi->i_zsector); ret = -EIO; } } diff --git a/include/linux/nvme-tcp.h b/include/linux/nvme-tcp.h index 959e0bd9a913..73364ae91689 100644 --- a/include/linux/nvme-tcp.h +++ b/include/linux/nvme-tcp.h @@ -114,8 +114,9 @@ struct nvme_tcp_icresp_pdu { struct nvme_tcp_term_pdu { struct nvme_tcp_hdr hdr; __le16 fes; - __le32 fei; - __u8 rsvd[8]; + __le16 feil; + __le16 feiu; + __u8 rsvd[10]; };

/** diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index f56c6a9230ac..8cc6522ee43a 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -14,9 +14,25 @@

#if IS_ENABLED(CONFIG_OF_MDIO) bool of_mdiobus_child_is_phy(struct device_node *child); -int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np); -int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, - struct device_node *np); +int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np, + struct module *owner); + +static inline int of_mdiobus_register(struct mii_bus *mdio, + struct device_node *np) +{ + return __of_mdiobus_register(mdio, np, THIS_MODULE); +} + +int __devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio, + struct device_node *np, struct module *owner); + +static inline int devm_of_mdiobus_register(struct device *dev, + struct mii_bus *mdio, + struct device_node *np) +{ + return __devm_of_mdiobus_register(dev, mdio, np, THIS_MODULE); +} + struct mdio_device *of_mdio_find_device(struct device_node *np); struct phy_device *of_phy_find_device(struct device_node *phy_np); struct phy_device * diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 9b8000869b07..7f9d0ab76b14 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -493,6 +493,7 @@ struct l2cap_le_credits {

#define L2CAP_ECRED_MIN_MTU 64 #define L2CAP_ECRED_MIN_MPS 64 +#define L2CAP_ECRED_MAX_CID 5

struct l2cap_ecred_conn_req { __le16 psm; diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 155b5cb43cfd..2d8790e40901 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -713,7 +713,7 @@ TRACE_EVENT_RCU(rcu_torture_read, TP_ARGS(rcutorturename, rhp, secs, c_old, c),

TP_STRUCT__entry( - __field(char, rcutorturename[RCUTORTURENAME_LEN]) + __array(char, rcutorturename, RCUTORTURENAME_LEN) __field(struct rcu_head *, rhp) __field(unsigned long, secs) __field(unsigned long, c_old) diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 73d4b1e32fbd..d3f6a070875c 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -826,7 +826,7 @@ static int __init bpf_jit_charge_init(void) { /* Only used as heuristic here to derive limit. */ bpf_jit_limit_max = bpf_jit_alloc_exec_limit(); - bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 2, + bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 1, PAGE_SIZE), LONG_MAX); return 0; } diff --git a/kernel/compat.c b/kernel/compat.c index 05adfd6fa8bf..f9f7a79e07c5 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -152,7 +152,7 @@ COMPAT_SYSCALL_DEFINE3(sched_getaffinity, compat_pid_t, pid, unsigned int, len, if (len & (sizeof(compat_ulong_t)-1)) return -EINVAL;

- if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM;

ret = sched_getaffinity(pid, mask); diff --git a/kernel/events/core.c b/kernel/events/core.c index d7b61116f15b..e2e1371fbb9d 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3817,7 +3817,7 @@ ctx_sched_in(struct perf_event_context *ctx, if (likely(!ctx->nr_events)) return;

- if (is_active ^ EVENT_TIME) { + if (!(is_active & EVENT_TIME)) { /* start ctx time */ __update_context_time(ctx, false); perf_cgroup_set_timestamp(task, ctx); @@ -8710,7 +8710,7 @@ static void perf_event_bpf_output(struct perf_event *event, void *data)

perf_event_header__init_id(&bpf_event->event_id.header, &sample, event); - ret = perf_output_begin(&handle, data, event, + ret = perf_output_begin(&handle, &sample, event, bpf_event->event_id.header.size); if (ret) return; diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile index 65ca5539c470..a9b0ee63b697 100644 --- a/kernel/kcsan/Makefile +++ b/kernel/kcsan/Makefile @@ -13,5 +13,6 @@ CFLAGS_core.o := $(call cc-option,-fno-conserve-stack) \ obj-y := core.o debugfs.o report.o obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o

-CFLAGS_kcsan-test.o := $(CFLAGS_KCSAN) -g -fno-omit-frame-pointer +CFLAGS_kcsan-test.o := $(CFLAGS_KCSAN) -fno-omit-frame-pointer +CFLAGS_kcsan_test.o += $(DISABLE_STRUCTLEAK_PLUGIN) obj-$(CONFIG_KCSAN_TEST) += kcsan-test.o diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 1303a2607f1f..b4bd02d68185 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1601,6 +1601,9 @@ static inline void dequeue_task(struct rq *rq, struct task_struct *p, int flags)

void activate_task(struct rq *rq, struct task_struct *p, int flags) { + if (task_on_rq_migrating(p)) + flags |= ENQUEUE_MIGRATED; + enqueue_task(rq, p, flags);

p->on_rq = TASK_ON_RQ_QUEUED; @@ -6064,14 +6067,14 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, if (len & (sizeof(unsigned long)-1)) return -EINVAL;

- if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM;

ret = sched_getaffinity(pid, mask); if (ret == 0) { unsigned int retlen = min(len, cpumask_size());

- if (copy_to_user(user_mask_ptr, mask, retlen)) + if (copy_to_user(user_mask_ptr, cpumask_bits(mask), retlen)) ret = -EFAULT; else ret = retlen; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c39d2fc3f994..bb70a7856277 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4274,6 +4274,29 @@ static void check_spread(struct cfs_rq *cfs_rq, struct sched_entity *se) #endif }

+static inline bool entity_is_long_sleeper(struct sched_entity *se) +{ + struct cfs_rq *cfs_rq; + u64 sleep_time; + + if (se->exec_start == 0) + return false; + + cfs_rq = cfs_rq_of(se); + + sleep_time = rq_clock_task(rq_of(cfs_rq)); + + /* Happen while migrating because of clock task divergence */ + if (sleep_time <= se->exec_start) + return false; + + sleep_time -= se->exec_start; + if (sleep_time > ((1ULL << 63) / scale_load_down(NICE_0_LOAD))) + return true; + + return false; +} + static void place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) { @@ -4302,8 +4325,29 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) vruntime -= thresh; }

- /* ensure we never gain time by being placed backwards. */ - se->vruntime = max_vruntime(se->vruntime, vruntime); + /* + * Pull vruntime of the entity being placed to the base level of + * cfs_rq, to prevent boosting it if placed backwards. + * However, min_vruntime can advance much faster than real time, with + * the extreme being when an entity with the minimal weight always runs + * on the cfs_rq. If the waking entity slept for a long time, its + * vruntime difference from min_vruntime may overflow s64 and their + * comparison may get inversed, so ignore the entity's original + * vruntime in that case. + * The maximal vruntime speedup is given by the ratio of normal to + * minimal weight: scale_load_down(NICE_0_LOAD) / MIN_SHARES. + * When placing a migrated waking entity, its exec_start has been set + * from a different rq. In order to take into account a possible + * divergence between new and prev rq's clocks task because of irq and + * stolen time, we take an additional margin. + * So, cutting off on the sleep time of + * 2^63 / scale_load_down(NICE_0_LOAD) ~ 104 days + * should be safe. + */ + if (entity_is_long_sleeper(se)) + se->vruntime = vruntime; + else + se->vruntime = max_vruntime(se->vruntime, vruntime); }

static void check_enqueue_throttle(struct cfs_rq *cfs_rq); @@ -4399,6 +4443,9 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)

if (flags & ENQUEUE_WAKEUP) place_entity(cfs_rq, se, 0); + /* Entity has migrated, no longer consider this task hot */ + if (flags & ENQUEUE_MIGRATED) + se->exec_start = 0;

check_schedstat_required(); update_stats_enqueue(cfs_rq, se, flags); @@ -6984,9 +7031,6 @@ static void migrate_task_rq_fair(struct task_struct *p, int new_cpu) /* Tell new CPU we are migrated */ p->se.avg.last_update_time = 0;

- /* We have migrated, no longer consider this task hot */ - p->se.exec_start = 0; - update_scan_period(p, new_cpu); }

diff --git a/kernel/trace/kprobe_event_gen_test.c b/kernel/trace/kprobe_event_gen_test.c index c736487fc0e4..e0c420eb0b2b 100644 --- a/kernel/trace/kprobe_event_gen_test.c +++ b/kernel/trace/kprobe_event_gen_test.c @@ -146,7 +146,7 @@ static int __init test_gen_kprobe_cmd(void) if (trace_event_file_is_valid(gen_kprobe_test)) gen_kprobe_test = NULL; /* We got an error after creating the event, delete it */ - ret = kprobe_event_delete("gen_kprobe_test"); + kprobe_event_delete("gen_kprobe_test"); goto out; }

@@ -211,7 +211,7 @@ static int __init test_gen_kretprobe_cmd(void) if (trace_event_file_is_valid(gen_kretprobe_test)) gen_kretprobe_test = NULL; /* We got an error after creating the event, delete it */ - ret = kprobe_event_delete("gen_kretprobe_test"); + kprobe_event_delete("gen_kretprobe_test"); goto out; }

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index bde90df6b497..367b1dec2e75 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -710,6 +710,17 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err) } EXPORT_SYMBOL_GPL(l2cap_chan_del);

+static void __l2cap_chan_list_id(struct l2cap_conn *conn, u16 id, + l2cap_chan_func_t func, void *data) +{ + struct l2cap_chan *chan, *l; + + list_for_each_entry_safe(chan, l, &conn->chan_l, list) { + if (chan->ident == id) + func(chan, data); + } +} + static void __l2cap_chan_list(struct l2cap_conn *conn, l2cap_chan_func_t func, void *data) { @@ -777,23 +788,9 @@ static void l2cap_chan_le_connect_reject(struct l2cap_chan *chan)

static void l2cap_chan_ecred_connect_reject(struct l2cap_chan *chan) { - struct l2cap_conn *conn = chan->conn; - struct l2cap_ecred_conn_rsp rsp; - u16 result; - - if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) - result = L2CAP_CR_LE_AUTHORIZATION; - else - result = L2CAP_CR_LE_BAD_PSM; - l2cap_state_change(chan, BT_DISCONN);

- memset(&rsp, 0, sizeof(rsp)); - - rsp.result = cpu_to_le16(result); - - l2cap_send_cmd(conn, chan->ident, L2CAP_LE_CONN_RSP, sizeof(rsp), - &rsp); + __l2cap_ecred_conn_rsp_defer(chan); }

static void l2cap_chan_connect_reject(struct l2cap_chan *chan) @@ -848,7 +845,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason) break; case L2CAP_MODE_EXT_FLOWCTL: l2cap_chan_ecred_connect_reject(chan); - break; + return; } } } @@ -3934,43 +3931,86 @@ void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan) &rsp); }

-void __l2cap_ecred_conn_rsp_defer(struct l2cap_chan *chan) +static void l2cap_ecred_list_defer(struct l2cap_chan *chan, void *data) { + int *result = data; + + if (*result || test_bit(FLAG_ECRED_CONN_REQ_SENT, &chan->flags)) + return; + + switch (chan->state) { + case BT_CONNECT2: + /* If channel still pending accept add to result */ + (*result)++; + return; + case BT_CONNECTED: + return; + default: + /* If not connected or pending accept it has been refused */ + *result = -ECONNREFUSED; + return; + } +} + +struct l2cap_ecred_rsp_data { struct { struct l2cap_ecred_conn_rsp rsp; - __le16 dcid[5]; + __le16 scid[L2CAP_ECRED_MAX_CID]; } __packed pdu; + int count; +}; + +static void l2cap_ecred_rsp_defer(struct l2cap_chan *chan, void *data) +{ + struct l2cap_ecred_rsp_data *rsp = data; + + if (test_bit(FLAG_ECRED_CONN_REQ_SENT, &chan->flags)) + return; + + /* Reset ident so only one response is sent */ + chan->ident = 0; + + /* Include all channels pending with the same ident */ + if (!rsp->pdu.rsp.result) + rsp->pdu.rsp.dcid[rsp->count++] = cpu_to_le16(chan->scid); + else + l2cap_chan_del(chan, ECONNRESET); +} + +void __l2cap_ecred_conn_rsp_defer(struct l2cap_chan *chan) +{ struct l2cap_conn *conn = chan->conn; - u16 ident = chan->ident; - int i = 0; + struct l2cap_ecred_rsp_data data; + u16 id = chan->ident; + int result = 0;

- if (!ident) + if (!id) return;

- BT_DBG("chan %p ident %d", chan, ident); + BT_DBG("chan %p id %d", chan, id);

- pdu.rsp.mtu = cpu_to_le16(chan->imtu); - pdu.rsp.mps = cpu_to_le16(chan->mps); - pdu.rsp.credits = cpu_to_le16(chan->rx_credits); - pdu.rsp.result = cpu_to_le16(L2CAP_CR_LE_SUCCESS); + memset(&data, 0, sizeof(data));

- mutex_lock(&conn->chan_lock); + data.pdu.rsp.mtu = cpu_to_le16(chan->imtu); + data.pdu.rsp.mps = cpu_to_le16(chan->mps); + data.pdu.rsp.credits = cpu_to_le16(chan->rx_credits); + data.pdu.rsp.result = cpu_to_le16(L2CAP_CR_LE_SUCCESS);

- list_for_each_entry(chan, &conn->chan_l, list) { - if (chan->ident != ident) - continue; + /* Verify that all channels are ready */ + __l2cap_chan_list_id(conn, id, l2cap_ecred_list_defer, &result);

- /* Reset ident so only one response is sent */ - chan->ident = 0; + if (result > 0) + return;

- /* Include all channels pending with the same ident */ - pdu.dcid[i++] = cpu_to_le16(chan->scid); - } + if (result < 0) + data.pdu.rsp.result = cpu_to_le16(L2CAP_CR_LE_AUTHORIZATION);

- mutex_unlock(&conn->chan_lock); + /* Build response */ + __l2cap_chan_list_id(conn, id, l2cap_ecred_rsp_defer, &data);

- l2cap_send_cmd(conn, ident, L2CAP_ECRED_CONN_RSP, - sizeof(pdu.rsp) + i * sizeof(__le16), &pdu); + l2cap_send_cmd(conn, id, L2CAP_ECRED_CONN_RSP, + sizeof(data.pdu.rsp) + (data.count * sizeof(__le16)), + &data.pdu); }

void __l2cap_connect_rsp_defer(struct l2cap_chan *chan) @@ -5952,7 +5992,7 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn, struct l2cap_ecred_conn_req *req = (void *) data; struct { struct l2cap_ecred_conn_rsp rsp; - __le16 dcid[5]; + __le16 dcid[L2CAP_ECRED_MAX_CID]; } __packed pdu; struct l2cap_chan *chan, *pchan; u16 mtu, mps; @@ -5969,6 +6009,14 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn, goto response; }

+ cmd_len -= sizeof(*req); + num_scid = cmd_len / sizeof(u16); + + if (num_scid > ARRAY_SIZE(pdu.dcid)) { + result = L2CAP_CR_LE_INVALID_PARAMS; + goto response; + } + mtu = __le16_to_cpu(req->mtu); mps = __le16_to_cpu(req->mps);

@@ -6013,8 +6061,6 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn, }

result = L2CAP_CR_LE_SUCCESS; - cmd_len -= sizeof(*req); - num_scid = cmd_len / sizeof(u16);

for (i = 0; i < num_scid; i++) { u16 scid = __le16_to_cpu(req->scid[i]); @@ -6067,6 +6113,7 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn, __set_chan_timer(chan, chan->ops->get_sndtimeo(chan));

chan->ident = cmd->ident; + chan->mode = L2CAP_MODE_EXT_FLOWCTL;

if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) { l2cap_state_change(chan, BT_CONNECT2); diff --git a/net/can/bcm.c b/net/can/bcm.c index afa82adaf6cd..ddba4e12da78 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -936,6 +936,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,

cf = op->frames + op->cfsiz * i; err = memcpy_from_msg((u8 *)cf, msg, op->cfsiz); + if (err < 0) + goto free_op;

if (op->flags & CAN_FD_FRAME) { if (cf->len > 64) @@ -945,12 +947,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, err = -EINVAL; }

- if (err < 0) { - if (op->frames != &op->sframe) - kfree(op->frames); - kfree(op); - return err; - } + if (err < 0) + goto free_op;

if (msg_head->flags & TX_CP_CAN_ID) { /* copy can_id into frame */ @@ -1021,6 +1019,12 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, bcm_tx_start_timer(op);

return msg_head->nframes * op->cfsiz + MHSIZ; + +free_op: + if (op->frames != &op->sframe) + kfree(op->frames); + kfree(op); + return err; }

/* diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index 20cb6b7dbc69..afc97d65cf2d 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -380,7 +380,7 @@ void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb, node_dst = find_node_by_addr_A(&port->hsr->node_db, eth_hdr(skb)->h_dest); if (!node_dst) { - if (net_ratelimit()) + if (port->hsr->prot_version != PRP_V1 && net_ratelimit()) netdev_err(skb->dev, "%s: Unknown node\n", __func__); return; } diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 65ead8a74933..9d1a50657104 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -547,7 +547,7 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev) truncate = true; }

- nhoff = skb_network_header(skb) - skb_mac_header(skb); + nhoff = skb_network_offset(skb); if (skb->protocol == htons(ETH_P_IP) && (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff)) truncate = true; @@ -556,7 +556,7 @@ static void erspan_fb_xmit(struct sk_buff *skb, struct net_device *dev) int thoff;

if (skb_transport_header_was_set(skb)) - thoff = skb_transport_header(skb) - skb_mac_header(skb); + thoff = skb_transport_offset(skb); else thoff = nhoff + sizeof(struct ipv6hdr); if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 0010f9e54f13..2332b5b81c55 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -959,7 +959,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, truncate = true; }

- nhoff = skb_network_header(skb) - skb_mac_header(skb); + nhoff = skb_network_offset(skb); if (skb->protocol == htons(ETH_P_IP) && (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff)) truncate = true; @@ -968,7 +968,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, int thoff;

if (skb_transport_header_was_set(skb)) - thoff = skb_transport_header(skb) - skb_mac_header(skb); + thoff = skb_transport_offset(skb); else thoff = nhoff + sizeof(struct ipv6hdr); if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff) diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index b9404b056087..eb79f6844466 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -141,12 +141,14 @@ u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, u16 __ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, struct sk_buff *skb) { + const struct ethhdr *eth = (void *)skb->data; struct mac80211_qos_map *qos_map; bool qos;

/* all mesh/ocb stations are required to support WME */ - if (sta && (sdata->vif.type == NL80211_IFTYPE_MESH_POINT || - sdata->vif.type == NL80211_IFTYPE_OCB)) + if ((sdata->vif.type == NL80211_IFTYPE_MESH_POINT && + !is_multicast_ether_addr(eth->h_dest)) || + (sdata->vif.type == NL80211_IFTYPE_OCB && sta)) qos = true; else if (sta) qos = sta->sta.wme; diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index e537085b184f..54863e68f304 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -386,13 +386,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval, rc = -EINVAL; goto out; } - lock_sock(sk); memcpy(crypto_info_aes_gcm_128->iv, cctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, TLS_CIPHER_AES_GCM_128_IV_SIZE); memcpy(crypto_info_aes_gcm_128->rec_seq, cctx->rec_seq, TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE); - release_sock(sk); if (copy_to_user(optval, crypto_info_aes_gcm_128, sizeof(*crypto_info_aes_gcm_128))) @@ -410,13 +408,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval, rc = -EINVAL; goto out; } - lock_sock(sk); memcpy(crypto_info_aes_gcm_256->iv, cctx->iv + TLS_CIPHER_AES_GCM_256_SALT_SIZE, TLS_CIPHER_AES_GCM_256_IV_SIZE); memcpy(crypto_info_aes_gcm_256->rec_seq, cctx->rec_seq, TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE); - release_sock(sk); if (copy_to_user(optval, crypto_info_aes_gcm_256, sizeof(*crypto_info_aes_gcm_256))) @@ -436,6 +432,8 @@ static int do_tls_getsockopt(struct sock *sk, int optname, { int rc = 0;

+ lock_sock(sk); + switch (optname) { case TLS_TX: case TLS_RX: @@ -446,6 +444,9 @@ static int do_tls_getsockopt(struct sock *sk, int optname, rc = -ENOPROTOOPT; break; } + + release_sock(sk); + return rc; }

diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 56a28a686988..42b19feb2b6e 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -153,10 +153,11 @@ static int xdp_umem_account_pages(struct xdp_umem *umem)

static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) { - u32 npgs_rem, chunk_size = mr->chunk_size, headroom = mr->headroom; bool unaligned_chunks = mr->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG; - u64 npgs, addr = mr->addr, size = mr->len; - unsigned int chunks, chunks_rem; + u32 chunk_size = mr->chunk_size, headroom = mr->headroom; + u64 addr = mr->addr, size = mr->len; + u32 chunks_rem, npgs_rem; + u64 chunks, npgs; int err;

if (chunk_size < XDP_UMEM_MIN_CHUNK_SIZE || chunk_size > PAGE_SIZE) { @@ -191,8 +192,8 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) if (npgs > U32_MAX) return -EINVAL;

- chunks = (unsigned int)div_u64_rem(size, chunk_size, &chunks_rem); - if (chunks == 0) + chunks = div_u64_rem(size, chunk_size, &chunks_rem); + if (!chunks || chunks > U32_MAX) return -EINVAL;

if (!unaligned_chunks && chunks_rem) @@ -205,7 +206,7 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) umem->headroom = headroom; umem->chunk_size = chunk_size; umem->chunks = chunks; - umem->npgs = (u32)npgs; + umem->npgs = npgs; umem->pgs = NULL; umem->user = NULL; umem->flags = mr->flags; diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 2da4404276f0..07a0ef2baacd 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -38,9 +38,12 @@ static void cache_requested_key(struct key *key) #ifdef CONFIG_KEYS_REQUEST_CACHE struct task_struct *t = current;

- key_put(t->cached_requested_key); - t->cached_requested_key = key_get(key); - set_tsk_thread_flag(t, TIF_NOTIFY_RESUME); + /* Do not cache key if it is a kernel thread */ + if (!(t->flags & PF_KTHREAD)) { + key_put(t->cached_requested_key); + t->cached_requested_key = key_get(key); + set_tsk_thread_flag(t, TIF_NOTIFY_RESUME); + } #endif }

diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index 3d6914c64c4a..4cdaeefeb688 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -430,7 +430,7 @@ void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) pao = hpi_find_adapter(phm->adapter_index); } else { /* subsys messages don't address an adapter */ - _HPI_6205(NULL, phm, phr); + phr->error = HPI_ERROR_INVALID_OBJ_INDEX; return; }

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 24c2638cde37..6057084da4cf 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -4108,8 +4108,10 @@ static int tuning_ctl_set(struct hda_codec *codec, hda_nid_t nid,

for (i = 0; i < TUNING_CTLS_COUNT; i++) if (nid == ca0132_tuning_ctls[i].nid) - break; + goto found;

+ return -EINVAL; +found: snd_hda_power_up(codec); dspio_set_param(codec, ca0132_tuning_ctls[i].mid, 0x20, ca0132_tuning_ctls[i].req, diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 48b802563c2d..e35c470eb481 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -973,7 +973,10 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x17aa, 0x3905, "Lenovo G50-30", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC), - SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_PINCFG_LENOVO_NOTEBOOK), + /* NOTE: we'd need to extend the quirk for 17aa:3977 as the same + * PCI SSID is used on multiple Lenovo models + */ + SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI), @@ -996,6 +999,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_FIXUP_MUTE_LED_GPIO, .name = "mute-led-gpio" }, { .id = CXT_FIXUP_HP_ZBOOK_MUTE_LED, .name = "hp-zbook-mute-led" }, { .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" }, + { .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" }, {} };

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 2cf6600c9ca8..2af9cd7b7999 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9253,6 +9253,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x511e, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad", ALC298_FIXUP_TPT470_DOCK), SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD), + SND_PCI_QUIRK(0x17aa, 0x9e56, "Lenovo ZhaoYang CF4620Z", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1849, 0x1233, "ASRock NUC Box 1100", ALC233_FIXUP_NO_AUDIO_JACK), SND_PCI_QUIRK(0x1849, 0xa233, "Positivo Master C6300", ALC269_FIXUP_HEADSET_MIC), SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS), diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index 9b0d18a7bf35..27fd10b976f7 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -78,7 +78,8 @@ static int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev,

if (io_port == 1) { /* auto-detect */ - if (!(io_port = pci_resource_start(chip->pci, 2))) + io_port = pci_resource_start(chip->pci, 2); + if (!io_port) return -ENODEV; } } else { @@ -87,7 +88,8 @@ static int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, for (io_port = 0x201; io_port <= 0x205; io_port++) { if (io_port == 0x203) continue; - if ((r = request_region(io_port, 1, "YMFPCI gameport")) != NULL) + r = request_region(io_port, 1, "YMFPCI gameport"); + if (r) break; } if (!r) { @@ -108,10 +110,13 @@ static int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, } }

- if (!r && !(r = request_region(io_port, 1, "YMFPCI gameport"))) { - dev_err(chip->card->dev, - "joystick port %#x is in use.\n", io_port); - return -EBUSY; + if (!r) { + r = request_region(io_port, 1, "YMFPCI gameport"); + if (!r) { + dev_err(chip->card->dev, + "joystick port %#x is in use.\n", io_port); + return -EBUSY; + } }

chip->gameport = gp = gameport_allocate_port(); @@ -199,8 +204,9 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, /* auto-detect */ fm_port[dev] = pci_resource_start(pci, 1); } - if (fm_port[dev] > 0 && - (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) { + if (fm_port[dev] > 0) + fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3"); + if (fm_res) { legacy_ctrl |= YMFPCI_LEGACY_FMEN; pci_write_config_word(pci, PCIR_DSXG_FMBASE, fm_port[dev]); } @@ -208,8 +214,9 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, /* auto-detect */ mpu_port[dev] = pci_resource_start(pci, 1) + 0x20; } - if (mpu_port[dev] > 0 && - (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) { + if (mpu_port[dev] > 0) + mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401"); + if (mpu_res) { legacy_ctrl |= YMFPCI_LEGACY_MEN; pci_write_config_word(pci, PCIR_DSXG_MPU401BASE, mpu_port[dev]); } @@ -221,8 +228,9 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, case 0x3a8: legacy_ctrl2 |= 3; break; default: fm_port[dev] = 0; break; } - if (fm_port[dev] > 0 && - (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) { + if (fm_port[dev] > 0) + fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3"); + if (fm_res) { legacy_ctrl |= YMFPCI_LEGACY_FMEN; } else { legacy_ctrl2 &= ~YMFPCI_LEGACY2_FMIO; @@ -235,8 +243,9 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, case 0x334: legacy_ctrl2 |= 3 << 4; break; default: mpu_port[dev] = 0; break; } - if (mpu_port[dev] > 0 && - (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) { + if (mpu_port[dev] > 0) + mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401"); + if (mpu_res) { legacy_ctrl |= YMFPCI_LEGACY_MEN; } else { legacy_ctrl2 &= ~YMFPCI_LEGACY2_MPUIO; @@ -250,9 +259,8 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, pci_read_config_word(pci, PCIR_DSXG_LEGACY, &old_legacy_ctrl); pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl); pci_write_config_word(pci, PCIR_DSXG_ELEGACY, legacy_ctrl2); - if ((err = snd_ymfpci_create(card, pci, - old_legacy_ctrl, - &chip)) < 0) { + err = snd_ymfpci_create(card, pci, old_legacy_ctrl, &chip); + if (err < 0) { release_and_free_resource(mpu_res); release_and_free_resource(fm_res); goto free_card; @@ -293,11 +301,12 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, goto free_card;

if (chip->mpu_res) { - if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_YMFPCI, - mpu_port[dev], - MPU401_INFO_INTEGRATED | - MPU401_INFO_IRQ_HOOK, - -1, &chip->rawmidi)) < 0) { + err = snd_mpu401_uart_new(card, 0, MPU401_HW_YMFPCI, + mpu_port[dev], + MPU401_INFO_INTEGRATED | + MPU401_INFO_IRQ_HOOK, + -1, &chip->rawmidi); + if (err < 0) { dev_warn(card->dev, "cannot initialize MPU401 at 0x%lx, skipping...\n", mpu_port[dev]); @@ -306,18 +315,22 @@ static int snd_card_ymfpci_probe(struct pci_dev *pci, } } if (chip->fm_res) { - if ((err = snd_opl3_create(card, - fm_port[dev], - fm_port[dev] + 2, - OPL3_HW_OPL3, 1, &opl3)) < 0) { + err = snd_opl3_create(card, + fm_port[dev], + fm_port[dev] + 2, + OPL3_HW_OPL3, 1, &opl3); + if (err < 0) { dev_warn(card->dev, "cannot initialize FM OPL3 at 0x%lx, skipping...\n", fm_port[dev]); legacy_ctrl &= ~YMFPCI_LEGACY_FMEN; pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl); - } else if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) { - dev_err(card->dev, "cannot create opl3 hwdep\n"); - goto free_card; + } else { + err = snd_opl3_hwdep_new(opl3, 0, 1, NULL); + if (err < 0) { + dev_err(card->dev, "cannot create opl3 hwdep\n"); + goto free_card; + } } }

diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index cacc6a9d14c8..0cd9b4029dab 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -292,7 +292,8 @@ static void snd_ymfpci_pcm_interrupt(struct snd_ymfpci *chip, struct snd_ymfpci_ struct snd_ymfpci_pcm *ypcm; u32 pos, delta; - if ((ypcm = voice->ypcm) == NULL) + ypcm = voice->ypcm; + if (!ypcm) return; if (ypcm->substream == NULL) return; @@ -628,7 +629,8 @@ static int snd_ymfpci_playback_hw_params(struct snd_pcm_substream *substream, struct snd_ymfpci_pcm *ypcm = runtime->private_data; int err;

- if ((err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params))) < 0) + err = snd_ymfpci_pcm_voice_alloc(ypcm, params_channels(hw_params)); + if (err < 0) return err; return 0; } @@ -932,7 +934,8 @@ static int snd_ymfpci_playback_open(struct snd_pcm_substream *substream) struct snd_ymfpci_pcm *ypcm; int err; - if ((err = snd_ymfpci_playback_open_1(substream)) < 0) + err = snd_ymfpci_playback_open_1(substream); + if (err < 0) return err; ypcm = runtime->private_data; ypcm->output_front = 1; @@ -954,7 +957,8 @@ static int snd_ymfpci_playback_spdif_open(struct snd_pcm_substream *substream) struct snd_ymfpci_pcm *ypcm; int err; - if ((err = snd_ymfpci_playback_open_1(substream)) < 0) + err = snd_ymfpci_playback_open_1(substream); + if (err < 0) return err; ypcm = runtime->private_data; ypcm->output_front = 0; @@ -982,7 +986,8 @@ static int snd_ymfpci_playback_4ch_open(struct snd_pcm_substream *substream) struct snd_ymfpci_pcm *ypcm; int err; - if ((err = snd_ymfpci_playback_open_1(substream)) < 0) + err = snd_ymfpci_playback_open_1(substream); + if (err < 0) return err; ypcm = runtime->private_data; ypcm->output_front = 0; @@ -1124,7 +1129,8 @@ int snd_ymfpci_pcm(struct snd_ymfpci *chip, int device) struct snd_pcm *pcm; int err;

- if ((err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "YMFPCI", device, 32, 1, &pcm); + if (err < 0) return err; pcm->private_data = chip;

@@ -1157,7 +1163,8 @@ int snd_ymfpci_pcm2(struct snd_ymfpci *chip, int device) struct snd_pcm *pcm; int err;

- if ((err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "YMFPCI - PCM2", device, 0, 1, &pcm); + if (err < 0) return err; pcm->private_data = chip;

@@ -1190,7 +1197,8 @@ int snd_ymfpci_pcm_spdif(struct snd_ymfpci *chip, int device) struct snd_pcm *pcm; int err;

- if ((err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm)) < 0) + err = snd_pcm_new(chip->card, "YMFPCI - IEC958", device, 1, 0, &pcm); + if (err < 0) return err; pcm->private_data = chip;

@@ -1230,7 +1238,8 @@ int snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device) struct snd_pcm *pcm; int err;

- if ((err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm)) < 0) + err = snd_pcm_new(chip->card, "YMFPCI - Rear", device, 1, 0, &pcm); + if (err < 0) return err; pcm->private_data = chip;

@@ -1785,7 +1794,8 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) .read = snd_ymfpci_codec_read, };

- if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) + err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); + if (err < 0) return err; chip->ac97_bus->private_free = snd_ymfpci_mixer_free_ac97_bus; chip->ac97_bus->no_vra = 1; /* YMFPCI doesn't need VRA */ @@ -1793,7 +1803,8 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_ymfpci_mixer_free_ac97; - if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) + err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); + if (err < 0) return err;

/* to be sure */ @@ -1801,7 +1812,8 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) AC97_EA_VRA|AC97_EA_VRM, 0);

for (idx = 0; idx < ARRAY_SIZE(snd_ymfpci_controls); idx++) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip)); + if (err < 0) return err; } if (chip->ac97->ext_id & AC97_EI_SDAC) { @@ -1814,27 +1826,37 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) /* add S/PDIF control */ if (snd_BUG_ON(!chip->pcm_spdif)) return -ENXIO; - if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip))) < 0) + kctl = snd_ctl_new1(&snd_ymfpci_spdif_default, chip); + err = snd_ctl_add(chip->card, kctl); + if (err < 0) return err; kctl->id.device = chip->pcm_spdif->device; - if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_mask, chip))) < 0) + kctl = snd_ctl_new1(&snd_ymfpci_spdif_mask, chip); + err = snd_ctl_add(chip->card, kctl); + if (err < 0) return err; kctl->id.device = chip->pcm_spdif->device; - if ((err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_spdif_stream, chip))) < 0) + kctl = snd_ctl_new1(&snd_ymfpci_spdif_stream, chip); + err = snd_ctl_add(chip->card, kctl); + if (err < 0) return err; kctl->id.device = chip->pcm_spdif->device; chip->spdif_pcm_ctl = kctl;

/* direct recording source */ - if (chip->device_id == PCI_DEVICE_ID_YAMAHA_754 && - (err = snd_ctl_add(chip->card, kctl = snd_ctl_new1(&snd_ymfpci_drec_source, chip))) < 0) - return err; + if (chip->device_id == PCI_DEVICE_ID_YAMAHA_754) { + kctl = snd_ctl_new1(&snd_ymfpci_drec_source, chip); + err = snd_ctl_add(chip->card, kctl); + if (err < 0) + return err; + }

/* * shared rear/line-in */ if (rear_switch) { - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_rear_shared, chip)); + if (err < 0) return err; }

@@ -1847,7 +1869,8 @@ int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) kctl->id.device = chip->pcm->device; kctl->id.subdevice = idx; kctl->private_value = (unsigned long)substream; - if ((err = snd_ctl_add(chip->card, kctl)) < 0) + err = snd_ctl_add(chip->card, kctl); + if (err < 0) return err; chip->pcm_mixer[idx].left = 0x8000; chip->pcm_mixer[idx].right = 0x8000; @@ -1928,7 +1951,8 @@ int snd_ymfpci_timer(struct snd_ymfpci *chip, int device) tid.card = chip->card->number; tid.device = device; tid.subdevice = 0; - if ((err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer)) >= 0) { + err = snd_timer_new(chip->card, "YMFPCI", &tid, &timer); + if (err >= 0) { strcpy(timer->name, "YMFPCI timer"); timer->private_data = chip; timer->hw = snd_ymfpci_timer_hw; @@ -2140,7 +2164,7 @@ static int snd_ymfpci_memalloc(struct snd_ymfpci *chip) chip->work_base = ptr; chip->work_base_addr = ptr_addr; - snd_BUG_ON(ptr + chip->work_size != + snd_BUG_ON(ptr + PAGE_ALIGN(chip->work_size) != chip->work_ptr.area + chip->work_ptr.bytes);

snd_ymfpci_writel(chip, YDSXGR_PLAYCTRLBASE, chip->bank_base_playback_addr); @@ -2334,7 +2358,8 @@ int snd_ymfpci_create(struct snd_card *card, *rchip = NULL;

/* enable PCI device */ - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err;

chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -2357,7 +2382,8 @@ int snd_ymfpci_create(struct snd_card *card, pci_set_master(pci); chip->src441_used = -1;

- if ((chip->res_reg_area = request_mem_region(chip->reg_area_phys, 0x8000, "YMFPCI")) == NULL) { + chip->res_reg_area = request_mem_region(chip->reg_area_phys, 0x8000, "YMFPCI"); + if (!chip->res_reg_area) { dev_err(chip->card->dev, "unable to grab memory region 0x%lx-0x%lx\n", chip->reg_area_phys, chip->reg_area_phys + 0x8000 - 1); diff --git a/sound/usb/format.c b/sound/usb/format.c index e8a63ea2189d..e0fda244a942 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -40,8 +40,12 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, case UAC_VERSION_1: default: { struct uac_format_type_i_discrete_descriptor *fmt = _fmt; - if (format >= 64) - return 0; /* invalid format */ + if (format >= 64) { + usb_audio_info(chip, + "%u:%d: invalid format type 0x%llx is detected, processed as PCM\n", + fp->iface, fp->altsetting, format); + format = UAC_FORMAT_TYPE_I_PCM; + } sample_width = fmt->bBitResolution; sample_bytes = fmt->bSubframeSize; format = 1ULL << format; diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh index baed891d0ba4..e36f178f7dcb 100755 --- a/tools/bootconfig/test-bootconfig.sh +++ b/tools/bootconfig/test-bootconfig.sh @@ -87,10 +87,14 @@ xfail grep -i "error" $OUTFILE

echo "Max node number check"

-echo -n > $TEMPCONF -for i in `seq 1 1024` ; do - echo "node$i" >> $TEMPCONF -done +awk ' +BEGIN { + for (i = 0; i < 26; i += 1) + printf("%c\n", 65 + i % 26) + for (i = 26; i < 8192; i += 1) + printf("%c%c%c\n", 65 + i % 26, 65 + (i / 26) % 26, 65 + (i / 26 / 26)) +} +' > $TEMPCONF xpass $BOOTCONF -a $TEMPCONF $INITRD

echo "badnode" >> $TEMPCONF diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c index 0e2d63da24e9..558d34fbd331 100644 --- a/tools/lib/bpf/btf_dump.c +++ b/tools/lib/bpf/btf_dump.c @@ -792,14 +792,9 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, const struct btf_type *t) { const struct btf_member *m; - int align, i, bit_sz; + int max_align = 1, align, i, bit_sz; __u16 vlen;

- align = btf__align_of(btf, id); - /* size of a non-packed struct has to be a multiple of its alignment*/ - if (align && t->size % align) - return true; - m = btf_members(t); vlen = btf_vlen(t); /* all non-bitfield fields have to be naturally aligned */ @@ -808,8 +803,11 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, bit_sz = btf_member_bitfield_size(t, i); if (align && bit_sz == 0 && m->offset % (8 * align) != 0) return true; + max_align = max(align, max_align); } - + /* size of a non-packed struct has to be a multiple of its alignment */ + if (t->size % max_align != 0) + return true; /* * if original struct was marked as packed, but its layout is * naturally aligned, we'll detect that it's not packed @@ -817,44 +815,97 @@ static bool btf_is_struct_packed(const struct btf *btf, __u32 id, return false; }

-static int chip_away_bits(int total, int at_most) -{ - return total % at_most ? : at_most; -} - static void btf_dump_emit_bit_padding(const struct btf_dump *d, - int cur_off, int m_off, int m_bit_sz, - int align, int lvl) + int cur_off, int next_off, int next_align, + bool in_bitfield, int lvl) { - int off_diff = m_off - cur_off; - int ptr_bits = d->ptr_sz * 8; + const struct { + const char *name; + int bits; + } pads[] = { + {"long", d->ptr_sz * 8}, {"int", 32}, {"short", 16}, {"char", 8} + }; + int new_off, pad_bits, bits, i; + const char *pad_type; + + if (cur_off >= next_off) + return; /* no gap */ + + /* For filling out padding we want to take advantage of + * natural alignment rules to minimize unnecessary explicit + * padding. First, we find the largest type (among long, int, + * short, or char) that can be used to force naturally aligned + * boundary. Once determined, we'll use such type to fill in + * the remaining padding gap. In some cases we can rely on + * compiler filling some gaps, but sometimes we need to force + * alignment to close natural alignment with markers like + * `long: 0` (this is always the case for bitfields). Note + * that even if struct itself has, let's say 4-byte alignment + * (i.e., it only uses up to int-aligned types), using `long: + * X;` explicit padding doesn't actually change struct's + * overall alignment requirements, but compiler does take into + * account that type's (long, in this example) natural + * alignment requirements when adding implicit padding. We use + * this fact heavily and don't worry about ruining correct + * struct alignment requirement. + */ + for (i = 0; i < ARRAY_SIZE(pads); i++) { + pad_bits = pads[i].bits; + pad_type = pads[i].name;

- if (off_diff <= 0) - /* no gap */ - return; - if (m_bit_sz == 0 && off_diff < align * 8) - /* natural padding will take care of a gap */ - return; + new_off = roundup(cur_off, pad_bits); + if (new_off <= next_off) + break; + }

- while (off_diff > 0) { - const char *pad_type; - int pad_bits; - - if (ptr_bits > 32 && off_diff > 32) { - pad_type = "long"; - pad_bits = chip_away_bits(off_diff, ptr_bits); - } else if (off_diff > 16) { - pad_type = "int"; - pad_bits = chip_away_bits(off_diff, 32); - } else if (off_diff > 8) { - pad_type = "short"; - pad_bits = chip_away_bits(off_diff, 16); - } else { - pad_type = "char"; - pad_bits = chip_away_bits(off_diff, 8); + if (new_off > cur_off && new_off <= next_off) { + /* We need explicit `<type>: 0` aligning mark if next + * field is right on alignment offset and its + * alignment requirement is less strict than <type>'s + * alignment (so compiler won't naturally align to the + * offset we expect), or if subsequent `<type>: X`, + * will actually completely fit in the remaining hole, + * making compiler basically ignore `<type>: X` + * completely. + */ + if (in_bitfield || + (new_off == next_off && roundup(cur_off, next_align * 8) != new_off) || + (new_off != next_off && next_off - new_off <= new_off - cur_off)) + /* but for bitfields we'll emit explicit bit count */ + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, + in_bitfield ? new_off - cur_off : 0); + cur_off = new_off; + } + + /* Now we know we start at naturally aligned offset for a chosen + * padding type (long, int, short, or char), and so the rest is just + * a straightforward filling of remaining padding gap with full + * `<type>: sizeof(<type>);` markers, except for the last one, which + * might need smaller than sizeof(<type>) padding. + */ + while (cur_off != next_off) { + bits = min(next_off - cur_off, pad_bits); + if (bits == pad_bits) { + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits); + cur_off += bits; + continue; + } + /* For the remainder padding that doesn't cover entire + * pad_type bit length, we pick the smallest necessary type. + * This is pure aesthetics, we could have just used `long`, + * but having smallest necessary one communicates better the + * scale of the padding gap. + */ + for (i = ARRAY_SIZE(pads) - 1; i >= 0; i--) { + pad_type = pads[i].name; + pad_bits = pads[i].bits; + if (pad_bits < bits) + continue; + + btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, bits); + cur_off += bits; + break; } - btf_dump_printf(d, "\n%s%s: %d;", pfx(lvl), pad_type, pad_bits); - off_diff -= pad_bits; } }

@@ -873,9 +924,11 @@ static void btf_dump_emit_struct_def(struct btf_dump *d, { const struct btf_member *m = btf_members(t); bool is_struct = btf_is_struct(t); - int align, i, packed, off = 0; + bool packed, prev_bitfield = false; + int align, i, off = 0; __u16 vlen = btf_vlen(t);

+ align = btf__align_of(d->btf, id); packed = is_struct ? btf_is_struct_packed(d->btf, id, t) : 0;

btf_dump_printf(d, "%s%s%s {", @@ -885,33 +938,36 @@ static void btf_dump_emit_struct_def(struct btf_dump *d,

for (i = 0; i < vlen; i++, m++) { const char *fname; - int m_off, m_sz; + int m_off, m_sz, m_align; + bool in_bitfield;

fname = btf_name_of(d, m->name_off); m_sz = btf_member_bitfield_size(t, i); m_off = btf_member_bit_offset(t, i); - align = packed ? 1 : btf__align_of(d->btf, m->type); + m_align = packed ? 1 : btf__align_of(d->btf, m->type);

- btf_dump_emit_bit_padding(d, off, m_off, m_sz, align, lvl + 1); + in_bitfield = prev_bitfield && m_sz != 0; + + btf_dump_emit_bit_padding(d, off, m_off, m_align, in_bitfield, lvl + 1); btf_dump_printf(d, "\n%s", pfx(lvl + 1)); btf_dump_emit_type_decl(d, m->type, fname, lvl + 1);

if (m_sz) { btf_dump_printf(d, ": %d", m_sz); off = m_off + m_sz; + prev_bitfield = true; } else { m_sz = max((__s64)0, btf__resolve_size(d->btf, m->type)); off = m_off + m_sz * 8; + prev_bitfield = false; } + btf_dump_printf(d, ";"); }

/* pad at the end, if necessary */ - if (is_struct) { - align = packed ? 1 : btf__align_of(d->btf, id); - btf_dump_emit_bit_padding(d, off, t->size * 8, 0, align, - lvl + 1); - } + if (is_struct) + btf_dump_emit_bit_padding(d, off, t->size * 8, align, false, lvl + 1);

if (vlen) btf_dump_printf(d, "\n"); diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index f6b7e85b121c..71e3f3a68b9d 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -294,6 +294,8 @@ Alternatively, non-root users can be enabled to run turbostat this way:

# chmod +r /dev/cpu/*/msr

+# chmod +r /dev/cpu_dma_latency + .B "turbostat " reads hardware counters, but doesn't write them. So it will not interfere with the OS or other programs, including diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index ef65f7eed1ec..d33c9d427e57 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5004,7 +5004,7 @@ void print_dev_latency(void)

retval = read(fd, (void *)&value, sizeof(int)); if (retval != sizeof(int)) { - warn("read %s\n", path); + warn("read failed %s\n", path); close(fd); return; } diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index 48b01150e703..28d22265b825 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -882,6 +882,34 @@ static struct btf_raw_test raw_tests[] = { .btf_load_err = true, .err_str = "Invalid elem", }, +{ + .descr = "var after datasec, ptr followed by modifier", + .raw_types = { + /* .bss section */ /* [1] */ + BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), + sizeof(void*)+4), + BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)), + BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4), + /* int */ /* [2] */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), + /* int* */ /* [3] */ + BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), + BTF_VAR_ENC(NAME_TBD, 3, 0), /* [4] */ + /* const int */ /* [5] */ + BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), + BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ + BTF_END_RAW, + }, + .str_sec = "\0a\0b\0c\0", + .str_sec_size = sizeof("\0a\0b\0c\0"), + .map_type = BPF_MAP_TYPE_ARRAY, + .map_name = ".bss", + .key_size = sizeof(int), + .value_size = sizeof(void*)+4, + .key_type_id = 0, + .value_type_id = 1, + .max_entries = 1, +}, /* Test member exceeds the size of struct. * * struct A { diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c index 8f44767a75fa..22a7cd8fd9ac 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_bitfields.c @@ -53,7 +53,7 @@ struct bitfields_only_mixed_types { */ /* ------ END-EXPECTED-OUTPUT ------ */ struct bitfield_mixed_with_others { - long: 4; /* char is enough as a backing field */ + char: 4; /* char is enough as a backing field */ int a: 4; /* 8-bit implicit padding */ short b; /* combined with previous bitfield */ diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c index 1cef3bec1dc7..22dbd1213434 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_packing.c @@ -58,7 +58,81 @@ union jump_code_union { } __attribute__((packed)); };

-/*------ END-EXPECTED-OUTPUT ------ */ +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct nested_packed_but_aligned_struct { + * int x1; + * int x2; + *}; + * + *struct outer_implicitly_packed_struct { + * char y1; + * struct nested_packed_but_aligned_struct y2; + *} __attribute__((packed)); + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ + +struct nested_packed_but_aligned_struct { + int x1; + int x2; +} __attribute__((packed)); + +struct outer_implicitly_packed_struct { + char y1; + struct nested_packed_but_aligned_struct y2; +}; +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct usb_ss_ep_comp_descriptor { + * char: 8; + * char bDescriptorType; + * char bMaxBurst; + * short wBytesPerInterval; + *}; + * + *struct usb_host_endpoint { + * long: 64; + * char: 8; + * struct usb_ss_ep_comp_descriptor ss_ep_comp; + * long: 0; + *} __attribute__((packed)); + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ + +struct usb_ss_ep_comp_descriptor { + char: 8; + char bDescriptorType; + char bMaxBurst; + int: 0; + short wBytesPerInterval; +} __attribute__((packed)); + +struct usb_host_endpoint { + long: 64; + char: 8; + struct usb_ss_ep_comp_descriptor ss_ep_comp; + long: 0; +}; + +/* ----- START-EXPECTED-OUTPUT ----- */ +struct nested_packed_struct { + int a; + char b; +} __attribute__((packed)); + +struct outer_nonpacked_struct { + short a; + struct nested_packed_struct b; +}; + +struct outer_packed_struct { + short a; + struct nested_packed_struct b; +} __attribute__((packed)); + +/* ------ END-EXPECTED-OUTPUT ------ */

int f(struct { struct packed_trailing_space _1; @@ -69,6 +143,10 @@ int f(struct { union union_is_never_packed _6; union union_does_not_need_packing _7; union jump_code_union _8; + struct outer_implicitly_packed_struct _9; + struct usb_host_endpoint _10; + struct outer_nonpacked_struct _11; + struct outer_packed_struct _12; } *_) { return 0; diff --git a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c index 35c512818a56..0b3cdffbfcf7 100644 --- a/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c +++ b/tools/testing/selftests/bpf/progs/btf_dump_test_case_padding.c @@ -19,7 +19,7 @@ struct padded_implicitly { /* *struct padded_explicitly { * int a; - * int: 32; + * long: 0; * int b; *}; * @@ -28,41 +28,28 @@ struct padded_implicitly {

struct padded_explicitly { int a; - int: 1; /* algo will explicitly pad with full 32 bits here */ + int: 1; /* algo will emit aligning `long: 0;` here */ int b; };

/* ----- START-EXPECTED-OUTPUT ----- */ -/* - *struct padded_a_lot { - * int a; - * long: 32; - * long: 64; - * long: 64; - * int b; - *}; - * - */ -/* ------ END-EXPECTED-OUTPUT ------ */ - struct padded_a_lot { int a; - /* 32 bit of implicit padding here, which algo will make explicit */ long: 64; long: 64; int b; };

+/* ------ END-EXPECTED-OUTPUT ------ */ + /* ----- START-EXPECTED-OUTPUT ----- */ /* *struct padded_cache_line { * int a; - * long: 32; * long: 64; * long: 64; * long: 64; * int b; - * long: 32; * long: 64; * long: 64; * long: 64; @@ -85,7 +72,7 @@ struct padded_cache_line { *struct zone { * int a; * short b; - * short: 16; + * long: 0; * struct zone_padding __pad__; *}; * @@ -102,12 +89,160 @@ struct zone { struct zone_padding __pad__; };

+/* ----- START-EXPECTED-OUTPUT ----- */ +struct padding_wo_named_members { + long: 64; + long: 64; +}; + +struct padding_weird_1 { + int a; + long: 64; + short: 16; + short b; +}; + +/* ------ END-EXPECTED-OUTPUT ------ */ + +/* ----- START-EXPECTED-OUTPUT ----- */ +/* + *struct padding_weird_2 { + * long: 56; + * char a; + * long: 56; + * char b; + * char: 8; + *}; + * + */ +/* ------ END-EXPECTED-OUTPUT ------ */ +struct padding_weird_2 { + int: 32; /* these paddings will be collapsed into `long: 56;` */ + short: 16; + char: 8; + char a; + int: 32; /* these paddings will be collapsed into `long: 56;` */ + short: 16; + char: 8; + char b; + char: 8; +}; + +/* ----- START-EXPECTED-OUTPUT ----- */ +struct exact_1byte { + char x; +}; + +struct padded_1byte { + char: 8; +}; + +struct exact_2bytes { + short x; +}; + +struct padded_2bytes { + short: 16; +}; + +struct exact_4bytes { + int x; +}; + +struct padded_4bytes { + int: 32; +}; + +struct exact_8bytes { + long x; +}; + +struct padded_8bytes { + long: 64; +}; + +struct ff_periodic_effect { + int: 32; + short magnitude; + long: 0; + short phase; + long: 0; + int: 32; + int custom_len; + short *custom_data; +}; + +struct ib_wc { + long: 64; + long: 64; + int: 32; + int byte_len; + void *qp; + union {} ex; + long: 64; + int slid; + int wc_flags; + long: 64; + char smac[6]; + long: 0; + char network_hdr_type; +}; + +struct acpi_object_method { + long: 64; + char: 8; + char type; + short reference_count; + char flags; + short: 0; + char: 8; + char sync_level; + long: 64; + void *node; + void *aml_start; + union {} dispatch; + long: 64; + int aml_length; +}; + +struct nested_unpacked { + int x; +}; + +struct nested_packed { + struct nested_unpacked a; + char c; +} __attribute__((packed)); + +struct outer_mixed_but_unpacked { + struct nested_packed b1; + short a1; + struct nested_packed b2; +}; + +/* ------ END-EXPECTED-OUTPUT ------ */ + int f(struct { struct padded_implicitly _1; struct padded_explicitly _2; struct padded_a_lot _3; struct padded_cache_line _4; struct zone _5; + struct padding_wo_named_members _6; + struct padding_weird_1 _7; + struct padding_weird_2 _8; + struct exact_1byte _100; + struct padded_1byte _101; + struct exact_2bytes _102; + struct padded_2bytes _103; + struct exact_4bytes _104; + struct padded_4bytes _105; + struct exact_8bytes _106; + struct padded_8bytes _107; + struct ff_periodic_effect _200; + struct ib_wc _201; + struct acpi_object_method _202; + struct outer_mixed_but_unpacked _203; } *_) { return 0; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 564d5c145fbe..356fd5d1a428 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -154,6 +154,8 @@ static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm); static unsigned long long kvm_createvm_count; static unsigned long long kvm_active_vms;

+static DEFINE_PER_CPU(cpumask_var_t, cpu_kick_mask); + __weak void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm, unsigned long start, unsigned long end) { @@ -248,9 +250,13 @@ static void ack_flush(void *_completed) { }

-static inline bool kvm_kick_many_cpus(const struct cpumask *cpus, bool wait) +static inline bool kvm_kick_many_cpus(cpumask_var_t tmp, bool wait) { - if (unlikely(!cpus)) + const struct cpumask *cpus; + + if (likely(cpumask_available(tmp))) + cpus = tmp; + else cpus = cpu_online_mask;

if (cpumask_empty(cpus)) @@ -260,30 +266,57 @@ static inline bool kvm_kick_many_cpus(const struct cpumask *cpus, bool wait) return true; }

+static void kvm_make_vcpu_request(struct kvm *kvm, struct kvm_vcpu *vcpu, + unsigned int req, cpumask_var_t tmp, + int current_cpu) +{ + int cpu; + + kvm_make_request(req, vcpu); + + if (!(req & KVM_REQUEST_NO_WAKEUP) && kvm_vcpu_wake_up(vcpu)) + return; + + /* + * tmp can be "unavailable" if cpumasks are allocated off stack as + * allocation of the mask is deliberately not fatal and is handled by + * falling back to kicking all online CPUs. + */ + if (!cpumask_available(tmp)) + return; + + /* + * Note, the vCPU could get migrated to a different pCPU at any point + * after kvm_request_needs_ipi(), which could result in sending an IPI + * to the previous pCPU. But, that's OK because the purpose of the IPI + * is to ensure the vCPU returns to OUTSIDE_GUEST_MODE, which is + * satisfied if the vCPU migrates. Entering READING_SHADOW_PAGE_TABLES + * after this point is also OK, as the requirement is only that KVM wait + * for vCPUs that were reading SPTEs _before_ any changes were + * finalized. See kvm_vcpu_kick() for more details on handling requests. + */ + if (kvm_request_needs_ipi(vcpu, req)) { + cpu = READ_ONCE(vcpu->cpu); + if (cpu != -1 && cpu != current_cpu) + __cpumask_set_cpu(cpu, tmp); + } +} + bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, struct kvm_vcpu *except, unsigned long *vcpu_bitmap, cpumask_var_t tmp) { - int i, cpu, me; struct kvm_vcpu *vcpu; + int i, me; bool called;

me = get_cpu();

- kvm_for_each_vcpu(i, vcpu, kvm) { - if ((vcpu_bitmap && !test_bit(i, vcpu_bitmap)) || - vcpu == except) - continue; - - kvm_make_request(req, vcpu); - cpu = vcpu->cpu; - - if (!(req & KVM_REQUEST_NO_WAKEUP) && kvm_vcpu_wake_up(vcpu)) + for_each_set_bit(i, vcpu_bitmap, KVM_MAX_VCPUS) { + vcpu = kvm_get_vcpu(kvm, i); + if (!vcpu || vcpu == except) continue; - - if (tmp != NULL && cpu != -1 && cpu != me && - kvm_request_needs_ipi(vcpu, req)) - __cpumask_set_cpu(cpu, tmp); + kvm_make_vcpu_request(kvm, vcpu, req, tmp, me); }

called = kvm_kick_many_cpus(tmp, !!(req & KVM_REQUEST_WAIT)); @@ -295,14 +328,25 @@ bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req, struct kvm_vcpu *except) { - cpumask_var_t cpus; + struct kvm_vcpu *vcpu; + struct cpumask *cpus; bool called; + int i, me;

- zalloc_cpumask_var(&cpus, GFP_ATOMIC); + me = get_cpu();

- called = kvm_make_vcpus_request_mask(kvm, req, except, NULL, cpus); + cpus = this_cpu_cpumask_var_ptr(cpu_kick_mask); + cpumask_clear(cpus); + + kvm_for_each_vcpu(i, vcpu, kvm) { + if (vcpu == except) + continue; + kvm_make_vcpu_request(kvm, vcpu, req, cpus, me); + } + + called = kvm_kick_many_cpus(cpus, !!(req & KVM_REQUEST_WAIT)); + put_cpu();

- free_cpumask_var(cpus); return called; }

@@ -2937,16 +2981,24 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_wake_up); */ void kvm_vcpu_kick(struct kvm_vcpu *vcpu) { - int me; - int cpu = vcpu->cpu; + int me, cpu;

if (kvm_vcpu_wake_up(vcpu)) return;

+ /* + * Note, the vCPU could get migrated to a different pCPU at any point + * after kvm_arch_vcpu_should_kick(), which could result in sending an + * IPI to the previous pCPU. But, that's ok because the purpose of the + * IPI is to force the vCPU to leave IN_GUEST_MODE, and migrating the + * vCPU also requires it to leave IN_GUEST_MODE. + */ me = get_cpu(); - if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) - if (kvm_arch_vcpu_should_kick(vcpu)) + if (kvm_arch_vcpu_should_kick(vcpu)) { + cpu = READ_ONCE(vcpu->cpu); + if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) smp_send_reschedule(cpu); + } put_cpu(); } EXPORT_SYMBOL_GPL(kvm_vcpu_kick); @@ -4952,20 +5004,22 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, goto out_free_3; }

+ for_each_possible_cpu(cpu) { + if (!alloc_cpumask_var_node(&per_cpu(cpu_kick_mask, cpu), + GFP_KERNEL, cpu_to_node(cpu))) { + r = -ENOMEM; + goto out_free_4; + } + } + r = kvm_async_pf_init(); if (r) - goto out_free; + goto out_free_4;

kvm_chardev_ops.owner = module; kvm_vm_fops.owner = module; kvm_vcpu_fops.owner = module;

- r = misc_register(&kvm_dev); - if (r) { - pr_err("kvm: misc device register failed\n"); - goto out_unreg; - } - register_syscore_ops(&kvm_syscore_ops);

kvm_preempt_ops.sched_in = kvm_sched_in; @@ -4974,13 +5028,28 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, kvm_init_debug();

r = kvm_vfio_ops_init(); - WARN_ON(r); + if (WARN_ON_ONCE(r)) + goto err_vfio; + + /* + * Registration _must_ be the very last thing done, as this exposes + * /dev/kvm to userspace, i.e. all infrastructure must be setup! + */ + r = misc_register(&kvm_dev); + if (r) { + pr_err("kvm: misc device register failed\n"); + goto err_register; + }

return 0;

-out_unreg: +err_register: + kvm_vfio_ops_exit(); +err_vfio: kvm_async_pf_deinit(); -out_free: +out_free_4: + for_each_possible_cpu(cpu) + free_cpumask_var(per_cpu(cpu_kick_mask, cpu)); kmem_cache_destroy(kvm_vcpu_cache); out_free_3: unregister_reboot_notifier(&kvm_reboot_notifier); @@ -5000,8 +5069,18 @@ EXPORT_SYMBOL_GPL(kvm_init);

void kvm_exit(void) { - debugfs_remove_recursive(kvm_debugfs_dir); + int cpu; + + /* + * Note, unregistering /dev/kvm doesn't strictly need to come first, + * fops_get(), a.k.a. try_module_get(), prevents acquiring references + * to KVM while the module is being stopped. + */ misc_deregister(&kvm_dev); + + debugfs_remove_recursive(kvm_debugfs_dir); + for_each_possible_cpu(cpu) + free_cpumask_var(per_cpu(cpu_kick_mask, cpu)); kmem_cache_destroy(kvm_vcpu_cache); kvm_async_pf_deinit(); unregister_syscore_ops(&kvm_syscore_ops);