Re: Linux 5.15.164

From: Greg Kroah-Hartman
Date: Sat Jul 27 2024 - 05:42:52 EST

diff --git a/Documentation/admin-guide/filesystem-monitoring.rst b/Documentation/admin-guide/filesystem-monitoring.rst
index 5a3c84e60095..ab8dba76283c 100644
--- a/Documentation/admin-guide/filesystem-monitoring.rst
+++ b/Documentation/admin-guide/filesystem-monitoring.rst
@@ -35,9 +35,11 @@ notifications is Ext4.

A FAN_FS_ERROR Notification has the following format::

- [ Notification Metadata (Mandatory) ]
- [ Generic Error Record (Mandatory) ]
- [ FID record (Mandatory) ]
+ ::
+
+ [ Notification Metadata (Mandatory) ]
+ [ Generic Error Record (Mandatory) ]
+ [ FID record (Mandatory) ]

The order of records is not guaranteed, and new records might be added
in the future. Therefore, applications must not rely on the order and
@@ -53,11 +55,13 @@ providing any additional details about the problem. This record is
identified by ``struct fanotify_event_info_header.info_type`` being set
to FAN_EVENT_INFO_TYPE_ERROR.

- struct fanotify_event_info_error {
- struct fanotify_event_info_header hdr;
- __s32 error;
- __u32 error_count;
- };
+ ::
+
+ struct fanotify_event_info_error {
+ struct fanotify_event_info_header hdr;
+ __s32 error;
+ __u32 error_count;
+ };

The `error` field identifies the type of error using errno values.
`error_count` tracks the number of errors that occurred and were
diff --git a/Makefile b/Makefile
index a9b6f1ff9619..78f5cc32b729 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 163
+SUBLEVEL = 164
EXTRAVERSION =
NAME = Trick or Treat

diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 32dbfd81f42a..0df4c3addf62 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -124,16 +124,6 @@ extern int __get_user_64t_1(void *);
extern int __get_user_64t_2(void *);
extern int __get_user_64t_4(void *);

-#define __GUP_CLOBBER_1 "lr", "cc"
-#ifdef CONFIG_CPU_USE_DOMAINS
-#define __GUP_CLOBBER_2 "ip", "lr", "cc"
-#else
-#define __GUP_CLOBBER_2 "lr", "cc"
-#endif
-#define __GUP_CLOBBER_4 "lr", "cc"
-#define __GUP_CLOBBER_32t_8 "lr", "cc"
-#define __GUP_CLOBBER_8 "lr", "cc"
-
#define __get_user_x(__r2, __p, __e, __l, __s) \
__asm__ __volatile__ ( \
__asmeq("%0", "r0") __asmeq("%1", "r2") \
@@ -141,7 +131,7 @@ extern int __get_user_64t_4(void *);
"bl __get_user_" #__s \
: "=&r" (__e), "=r" (__r2) \
: "0" (__p), "r" (__l) \
- : __GUP_CLOBBER_##__s)
+ : "ip", "lr", "cc")

/* narrowing a double-word get into a single 32bit word register: */
#ifdef __ARMEB__
@@ -163,7 +153,7 @@ extern int __get_user_64t_4(void *);
"bl __get_user_64t_" #__s \
: "=&r" (__e), "=r" (__r2) \
: "0" (__p), "r" (__l) \
- : __GUP_CLOBBER_##__s)
+ : "ip", "lr", "cc")
#else
#define __get_user_x_64t __get_user_x
#endif
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index fd9ffe8448b0..8b3e753c1a2a 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -2634,6 +2634,7 @@ usb3_dwc3: dwc3@6a00000 {
snps,dis_u2_susphy_quirk;
snps,dis_enblslpm_quirk;
snps,is-utmi-l1-suspend;
+ snps,parkmode-disable-ss-quirk;
tx-fifo-resize;
};
};
diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index e00c0577cef7..70dfde9d24ec 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -1236,6 +1236,7 @@ usb3_dwc3: usb@a800000 {
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
snps,dis_u2_susphy_quirk;
snps,dis_enblslpm_quirk;
+ snps,parkmode-disable-ss-quirk;

/*
* SDM630 technically supports USB3 but I
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 91eabe56093d..91c29979aea7 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -471,6 +471,9 @@ static int run_all_insn_set_hw_mode(unsigned int cpu)
for (i = 0; i < ARRAY_SIZE(insn_emulations); i++) {
struct insn_emulation *insn = insn_emulations[i];
bool enable = READ_ONCE(insn->current_mode) == INSN_HW;
+ if (insn->status == INSN_UNAVAILABLE)
+ continue;
+
if (insn->set_hw_mode && insn->set_hw_mode(enable)) {
pr_warn("CPU[%u] cannot support the emulation of %s",
cpu, insn->name);
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index ec1119760cd3..cd107ca10e69 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -27,7 +27,7 @@
17 o32 break sys_ni_syscall
# 18 was sys_stat
18 o32 unused18 sys_ni_syscall
-19 o32 lseek sys_lseek
+19 o32 lseek sys_lseek compat_sys_lseek
20 o32 getpid sys_getpid
21 o32 mount sys_mount
22 o32 umount sys_oldumount
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index 845e024321d4..a856d9ba42d2 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -849,6 +849,7 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)
{
struct eeh_dev *edev;
struct pci_dev *pdev;
+ struct pci_bus *bus = NULL;

if (pe->type & EEH_PE_PHB)
return pe->phb->bus;
@@ -859,9 +860,11 @@ struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe)

/* Retrieve the parent PCI bus of first (top) PCI device */
edev = list_first_entry_or_null(&pe->edevs, struct eeh_dev, entry);
+ pci_lock_rescan_remove();
pdev = eeh_dev_to_pci_dev(edev);
if (pdev)
- return pdev->bus;
+ bus = pdev->bus;
+ pci_unlock_rescan_remove();

- return NULL;
+ return bus;
}
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 3cb2e05a7ee8..a8e5eefee794 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -117,14 +117,16 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
}
rcu_read_unlock();

- fdput(f);
-
- if (!found)
+ if (!found) {
+ fdput(f);
return -EINVAL;
+ }

table_group = iommu_group_get_iommudata(grp);
- if (WARN_ON(!table_group))
+ if (WARN_ON(!table_group)) {
+ fdput(f);
return -EFAULT;
+ }

for (i = 0; i < IOMMU_TABLE_GROUP_MAX_TABLES; ++i) {
struct iommu_table *tbltmp = table_group->tables[i];
@@ -145,8 +147,10 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
break;
}
}
- if (!tbl)
+ if (!tbl) {
+ fdput(f);
return -EINVAL;
+ }

rcu_read_lock();
list_for_each_entry_rcu(stit, &stt->iommu_tables, next) {
@@ -157,6 +161,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
/* stit is being destroyed */
iommu_tce_table_put(tbl);
rcu_read_unlock();
+ fdput(f);
return -ENOTTY;
}
/*
@@ -164,6 +169,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
* its KVM reference counter and can return.
*/
rcu_read_unlock();
+ fdput(f);
return 0;
}
rcu_read_unlock();
@@ -171,6 +177,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
stit = kzalloc(sizeof(*stit), GFP_KERNEL);
if (!stit) {
iommu_tce_table_put(tbl);
+ fdput(f);
return -ENOMEM;
}

@@ -179,6 +186,7 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,

list_add_rcu(&stit->next, &stt->iommu_tables);

+ fdput(f);
return 0;
}

diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index d25053755c8b..309a72518ecc 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -314,8 +314,8 @@ static int alloc_dispatch_log_kmem_cache(void)
{
void (*ctor)(void *) = get_dtl_cache_ctor();

- dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES,
- DISPATCH_LOG_BYTES, 0, ctor);
+ dtl_cache = kmem_cache_create_usercopy("dtl", DISPATCH_LOG_BYTES,
+ DISPATCH_LOG_BYTES, 0, 0, DISPATCH_LOG_BYTES, ctor);
if (!dtl_cache) {
pr_warn("Failed to create dispatch trace log buffer cache\n");
pr_warn("Stolen time statistics will be unreliable\n");
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 94721c484d63..95b4ad1b6708 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -34,6 +34,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(void *, unsigned long), void *arg)
{
unsigned long fp, sp, pc;
+ int graph_idx = 0;
int level = 0;

if (regs) {
@@ -70,7 +71,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
pc = regs->ra;
} else {
fp = frame->fp;
- pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
+ pc = ftrace_graph_ret_addr(current, &graph_idx, frame->ra,
&frame->ra);
if (pc == (unsigned long)ret_from_exception) {
if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 472418a0e0ca..59e617ab12a5 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1303,10 +1303,13 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (ec->busy_polling || bits > 8)
acpi_ec_burst_enable(ec);

- for (i = 0; i < bytes; ++i, ++address, ++value)
+ for (i = 0; i < bytes; ++i, ++address, ++value) {
result = (function == ACPI_READ) ?
acpi_ec_read(ec, address, value) :
acpi_ec_write(ec, address, *value);
+ if (result < 0)
+ break;
+ }

if (ec->busy_polling || bits > 8)
acpi_ec_burst_disable(ec);
@@ -1318,8 +1321,10 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
return AE_NOT_FOUND;
case -ETIME:
return AE_TIME;
- default:
+ case 0:
return AE_OK;
+ default:
+ return AE_ERROR;
}
}

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4cb44d80bf52..5289c344de90 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -16,7 +16,6 @@
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/sched.h> /* need_resched() */
-#include <linux/sort.h>
#include <linux/tick.h>
#include <linux/cpuidle.h>
#include <linux/cpu.h>
@@ -385,28 +384,24 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
return;
}

-static int acpi_cst_latency_cmp(const void *a, const void *b)
+static void acpi_cst_latency_sort(struct acpi_processor_cx *states, size_t length)
{
- const struct acpi_processor_cx *x = a, *y = b;
+ int i, j, k;

- if (!(x->valid && y->valid))
- return 0;
- if (x->latency > y->latency)
- return 1;
- if (x->latency < y->latency)
- return -1;
- return 0;
-}
-static void acpi_cst_latency_swap(void *a, void *b, int n)
-{
- struct acpi_processor_cx *x = a, *y = b;
- u32 tmp;
+ for (i = 1; i < length; i++) {
+ if (!states[i].valid)
+ continue;

- if (!(x->valid && y->valid))
- return;
- tmp = x->latency;
- x->latency = y->latency;
- y->latency = tmp;
+ for (j = i - 1, k = i; j >= 0; j--) {
+ if (!states[j].valid)
+ continue;
+
+ if (states[j].latency > states[k].latency)
+ swap(states[j].latency, states[k].latency);
+
+ k = j;
+ }
+ }
}

static int acpi_processor_power_verify(struct acpi_processor *pr)
@@ -451,10 +446,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)

if (buggy_latency) {
pr_notice("FW issue: working around C-state latencies out of order\n");
- sort(&pr->power.states[1], max_cstate,
- sizeof(struct acpi_processor_cx),
- acpi_cst_latency_cmp,
- acpi_cst_latency_swap);
+ acpi_cst_latency_sort(&pr->power.states[1], max_cstate);
}

lapic_timer_propagate_broadcast(pr);
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index ec78d9ad3e9b..23c4a7b3d4e5 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1749,8 +1749,8 @@ static int null_validate_conf(struct nullb_device *dev)
return -EINVAL;
}

- dev->blocksize = round_down(dev->blocksize, 512);
- dev->blocksize = clamp_t(unsigned int, dev->blocksize, 512, 4096);
+ if (blk_validate_block_size(dev->blocksize))
+ return -EINVAL;

if (dev->queue_mode == NULL_Q_MQ && dev->use_per_node_hctx) {
if (dev->submit_queues != nr_online_nodes)
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index c189e7ae6838..a3352b98ced1 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2148,7 +2148,7 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
- uint32_t instance;
+ int instance;

DRM_DEBUG("IH: SDMA trap\n");
instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 57218263ef3b..277a313432b2 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -653,7 +653,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
if (r)
goto error_unlock;

- if (bo_va->it.start)
+ if (bo_va->it.start && bo_va->bo)
r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource);

error_unlock:
diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index c9ce47c448e0..5b9a9fba8542 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -2,7 +2,7 @@
config DRM_VMWGFX
tristate "DRM driver for VMware Virtual GPU"
depends on DRM && PCI && MMU
- depends on X86 || ARM64
+ depends on (X86 && HYPERVISOR_GUEST) || ARM64
select DRM_TTM
select MAPPING_DIRTY_HELPERS
# Only needed for the transitional use of drm_crtc_init - can be removed
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 4e38229404b4..b4723ea395eb 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1476,16 +1476,47 @@ static void elantech_disconnect(struct psmouse *psmouse)
psmouse->private = NULL;
}

+/*
+ * Some hw_version 4 models fail to properly activate absolute mode on
+ * resume without going through disable/enable cycle.
+ */
+static const struct dmi_system_id elantech_needs_reenable[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+ {
+ /* Lenovo N24 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "81AF"),
+ },
+ },
+#endif
+ { }
+};
+
/*
* Put the touchpad back into absolute mode when reconnecting
*/
static int elantech_reconnect(struct psmouse *psmouse)
{
+ int err;
+
psmouse_reset(psmouse);

if (elantech_detect(psmouse, 0))
return -1;

+ if (dmi_check_system(elantech_needs_reenable)) {
+ err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE);
+ if (err)
+ psmouse_warn(psmouse, "failed to deactivate mouse on %s: %d\n",
+ psmouse->ps2dev.serio->phys, err);
+
+ err = ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE);
+ if (err)
+ psmouse_warn(psmouse, "failed to reactivate mouse on %s: %d\n",
+ psmouse->ps2dev.serio->phys, err);
+ }
+
if (elantech_set_absolute_mode(psmouse)) {
psmouse_err(psmouse,
"failed to put touchpad back into absolute mode.\n");
diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
index d4792950bcff..49d87f56cb90 100644
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -75,7 +75,7 @@ static inline void i8042_write_command(int val)
#define SERIO_QUIRK_PROBE_DEFER BIT(5)
#define SERIO_QUIRK_RESET_ALWAYS BIT(6)
#define SERIO_QUIRK_RESET_NEVER BIT(7)
-#define SERIO_QUIRK_DIECT BIT(8)
+#define SERIO_QUIRK_DIRECT BIT(8)
#define SERIO_QUIRK_DUMBKBD BIT(9)
#define SERIO_QUIRK_NOLOOP BIT(10)
#define SERIO_QUIRK_NOTIMEOUT BIT(11)
@@ -1295,6 +1295,20 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
},
+ {
+ /*
+ * The Ayaneo Kun is a handheld device where some the buttons
+ * are handled by an AT keyboard. The keyboard is usually
+ * detected as raw, but sometimes, usually after a cold boot,
+ * it is detected as translated. Make sure that the keyboard
+ * is always in raw mode.
+ */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AYANEO"),
+ DMI_MATCH(DMI_BOARD_NAME, "KUN"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_DIRECT)
+ },
{ }
};

@@ -1613,7 +1627,7 @@ static void __init i8042_check_quirks(void)
if (quirks & SERIO_QUIRK_RESET_NEVER)
i8042_reset = I8042_RESET_NEVER;
}
- if (quirks & SERIO_QUIRK_DIECT)
+ if (quirks & SERIO_QUIRK_DIRECT)
i8042_direct = true;
if (quirks & SERIO_QUIRK_DUMBKBD)
i8042_dumbkbd = true;
diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c
index 1ee760bac0cf..3be59b7239a6 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -70,7 +70,6 @@ struct silead_ts_data {
struct regulator_bulk_data regulators[2];
char fw_name[64];
struct touchscreen_properties prop;
- u32 max_fingers;
u32 chip_id;
struct input_mt_pos pos[SILEAD_MAX_FINGERS];
int slots[SILEAD_MAX_FINGERS];
@@ -98,7 +97,7 @@ static int silead_ts_request_input_dev(struct silead_ts_data *data)
input_set_abs_params(data->input, ABS_MT_POSITION_Y, 0, 4095, 0, 0);
touchscreen_parse_properties(data->input, true, &data->prop);

- input_mt_init_slots(data->input, data->max_fingers,
+ input_mt_init_slots(data->input, SILEAD_MAX_FINGERS,
INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED |
INPUT_MT_TRACK);

@@ -145,10 +144,10 @@ static void silead_ts_read_data(struct i2c_client *client)
return;
}

- if (buf[0] > data->max_fingers) {
+ if (buf[0] > SILEAD_MAX_FINGERS) {
dev_warn(dev, "More touches reported then supported %d > %d\n",
- buf[0], data->max_fingers);
- buf[0] = data->max_fingers;
+ buf[0], SILEAD_MAX_FINGERS);
+ buf[0] = SILEAD_MAX_FINGERS;
}

touch_nr = 0;
@@ -200,7 +199,6 @@ static void silead_ts_read_data(struct i2c_client *client)

static int silead_ts_init(struct i2c_client *client)
{
- struct silead_ts_data *data = i2c_get_clientdata(client);
int error;

error = i2c_smbus_write_byte_data(client, SILEAD_REG_RESET,
@@ -210,7 +208,7 @@ static int silead_ts_init(struct i2c_client *client)
usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX);

error = i2c_smbus_write_byte_data(client, SILEAD_REG_TOUCH_NR,
- data->max_fingers);
+ SILEAD_MAX_FINGERS);
if (error)
goto i2c_write_err;
usleep_range(SILEAD_CMD_SLEEP_MIN, SILEAD_CMD_SLEEP_MAX);
@@ -437,13 +435,6 @@ static void silead_ts_read_props(struct i2c_client *client)
const char *str;
int error;

- error = device_property_read_u32(dev, "silead,max-fingers",
- &data->max_fingers);
- if (error) {
- dev_dbg(dev, "Max fingers read error %d\n", error);
- data->max_fingers = 5; /* Most devices handle up-to 5 fingers */
- }
-
error = device_property_read_string(dev, "firmware-name", &str);
if (!error)
snprintf(data->fw_name, sizeof(data->fw_name),
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 786f7c8f7f61..71f15fba21ad 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -327,7 +327,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
}

if (!mei_cl_is_connected(cl)) {
- cl_err(dev, cl, "is not connected");
+ cl_dbg(dev, cl, "is not connected");
rets = -ENODEV;
goto out;
}
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index 573d3a66711a..95ed20055392 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -293,7 +293,7 @@ int kvaser_usb_send_cmd_async(struct kvaser_usb_net_priv *priv, void *cmd,
}
usb_free_urb(urb);

- return 0;
+ return err;
}

int kvaser_usb_can_rx_over_error(struct net_device *netdev)
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index bdb05d246b86..53eadd82f9b8 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -1139,6 +1139,11 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp)
struct sk_buff *skb;
int err, depth;

+ if (unlikely(xdp->data_end - xdp->data < ETH_HLEN)) {
+ err = -EINVAL;
+ goto err;
+ }
+
if (q->flags & IFF_VNET_HDR)
vnet_hdr_len = READ_ONCE(q->vnet_hdr_sz);

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index f0e34b2b072e..959ca6b9cd13 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2422,6 +2422,9 @@ static int tun_xdp_one(struct tun_struct *tun,
bool skb_xdp = false;
struct page *page;

+ if (unlikely(datasize < ETH_HLEN))
+ return -EINVAL;
+
xdp_prog = rcu_dereference(tun->xdp_prog);
if (xdp_prog) {
if (gso->gso_type) {
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 9bd145732e58..fb09e95cbc25 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1373,6 +1373,8 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x3000, 0)}, /* Telit FN912 series */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x3001, 0)}, /* Telit FN912 series */
{QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */
{QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */
{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index c4c62bcbe67d..24c1666b2c88 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -595,16 +595,25 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw,
void *_data)
{
struct wowlan_key_gtk_type_iter *data = _data;
+ __le32 *cipher = NULL;
+
+ if (key->keyidx == 4 || key->keyidx == 5)
+ cipher = &data->kek_kck_cmd->igtk_cipher;
+ if (key->keyidx == 6 || key->keyidx == 7)
+ cipher = &data->kek_kck_cmd->bigtk_cipher;

switch (key->cipher) {
default:
return;
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
- data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
+ if (cipher)
+ *cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
return;
case WLAN_CIPHER_SUITE_AES_CMAC:
- data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_CCM);
+ case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+ if (cipher)
+ *cipher = cpu_to_le32(STA_KEY_FLG_CCM);
return;
case WLAN_CIPHER_SUITE_CCMP:
if (!sta)
@@ -1796,7 +1805,8 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,

out:
if (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP,
- WOWLAN_GET_STATUSES, 0) < 10) {
+ WOWLAN_GET_STATUSES,
+ IWL_FW_CMD_VER_UNKNOWN) < 10) {
mvmvif->seqno_valid = true;
/* +0x10 because the set API expects next-to-use, not last-used */
mvmvif->seqno = le16_to_cpu(status->non_qos_seq_ctr) + 0x10;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 0605363b6272..8179a7395bca 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -1721,7 +1721,10 @@ iwl_mvm_umac_scan_fill_6g_chan_list(struct iwl_mvm *mvm,
break;
}

- if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE) {
+ if (k == idex_b && idex_b < SCAN_BSSID_MAX_SIZE &&
+ !WARN_ONCE(!is_valid_ether_addr(scan_6ghz_params[j].bssid),
+ "scan: invalid BSSID at index %u, index_b=%u\n",
+ j, idex_b)) {
memcpy(&pp->bssid_array[idex_b++],
scan_6ghz_params[j].bssid, ETH_ALEN);
}
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
index dec6ffdf07c4..8d86969aa214 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
@@ -1023,9 +1023,9 @@ static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
{
u32 reg, reg2;
unsigned int i;
- char put_to_sleep;
- char bbp_state;
- char rf_state;
+ bool put_to_sleep;
+ u8 bbp_state;
+ u8 rf_state;

put_to_sleep = (state != STATE_AWAKE);

@@ -1561,7 +1561,7 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *tx_power;
+ u8 *tx_power;
unsigned int i;

/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.h b/drivers/net/wireless/ralink/rt2x00/rt2400pci.h
index b8187b6de143..979d5fd8babf 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.h
@@ -939,7 +939,7 @@
#define DEFAULT_TXPOWER 39

#define __CLAMP_TX(__txpower) \
- clamp_t(char, (__txpower), MIN_TXPOWER, MAX_TXPOWER)
+ clamp_t(u8, (__txpower), MIN_TXPOWER, MAX_TXPOWER)

#define TXPOWER_FROM_DEV(__txpower) \
((__CLAMP_TX(__txpower) - MAX_TXPOWER) + MIN_TXPOWER)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
index 8faa0a80e73a..cd6371e25062 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c
@@ -1176,9 +1176,9 @@ static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev,
{
u32 reg, reg2;
unsigned int i;
- char put_to_sleep;
- char bbp_state;
- char rf_state;
+ bool put_to_sleep;
+ u8 bbp_state;
+ u8 rf_state;

put_to_sleep = (state != STATE_AWAKE);

@@ -1856,7 +1856,7 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *tx_power;
+ u8 *tx_power;
unsigned int i;

/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.h b/drivers/net/wireless/ralink/rt2x00/rt2500pci.h
index 7e64aee2a172..ba362675c52c 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.h
@@ -1219,6 +1219,6 @@
(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

#define TXPOWER_TO_DEV(__txpower) \
- clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)
+ clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER)

#endif /* RT2500PCI_H */
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
index bb5ed6630645..4f3b0e6c6256 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
@@ -984,9 +984,9 @@ static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
u16 reg;
u16 reg2;
unsigned int i;
- char put_to_sleep;
- char bbp_state;
- char rf_state;
+ bool put_to_sleep;
+ u8 bbp_state;
+ u8 rf_state;

put_to_sleep = (state != STATE_AWAKE);

@@ -1663,7 +1663,7 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *tx_power;
+ u8 *tx_power;
unsigned int i;

/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.h b/drivers/net/wireless/ralink/rt2x00/rt2500usb.h
index 0c070288a140..746f0e950b76 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.h
@@ -839,6 +839,6 @@
(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

#define TXPOWER_TO_DEV(__txpower) \
- clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)
+ clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER)

#endif /* RT2500USB_H */
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 34788bfb34b7..bff48fa1a056 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3310,10 +3310,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
/* r55/r59 value array of channel 1~14 */
- static const char r55_bt_rev[] = {0x83, 0x83,
+ static const u8 r55_bt_rev[] = {0x83, 0x83,
0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
- static const char r59_bt_rev[] = {0x0e, 0x0e,
+ static const u8 r59_bt_rev[] = {0x0e, 0x0e,
0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
0x07, 0x07, 0x07, 0x07, 0x07, 0x07};

@@ -3322,7 +3322,7 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_write(rt2x00dev, 59,
r59_bt_rev[idx]);
} else {
- static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
+ static const u8 r59_bt[] = {0x8b, 0x8b, 0x8b,
0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
0x88, 0x88, 0x86, 0x85, 0x84};

@@ -3330,10 +3330,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
}
} else {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
- static const char r55_nonbt_rev[] = {0x23, 0x23,
+ static const u8 r55_nonbt_rev[] = {0x23, 0x23,
0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
- static const char r59_nonbt_rev[] = {0x07, 0x07,
+ static const u8 r59_nonbt_rev[] = {0x07, 0x07,
0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
0x07, 0x07, 0x06, 0x05, 0x04, 0x04};

@@ -3344,14 +3344,14 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
} else if (rt2x00_rt(rt2x00dev, RT5390) ||
rt2x00_rt(rt2x00dev, RT5392) ||
rt2x00_rt(rt2x00dev, RT6352)) {
- static const char r59_non_bt[] = {0x8f, 0x8f,
+ static const u8 r59_non_bt[] = {0x8f, 0x8f,
0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};

rt2800_rfcsr_write(rt2x00dev, 59,
r59_non_bt[idx]);
} else if (rt2x00_rt(rt2x00dev, RT5350)) {
- static const char r59_non_bt[] = {0x0b, 0x0b,
+ static const u8 r59_non_bt[] = {0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};

@@ -3974,23 +3974,23 @@ static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
}

-static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
+static s8 rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
unsigned int channel,
- char txpower)
+ s8 txpower)
{
if (rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883))
txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);

if (channel <= 14)
- return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
+ return clamp_t(s8, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);

if (rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883))
- return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
+ return clamp_t(s8, txpower, MIN_A_TXPOWER_3593,
MAX_A_TXPOWER_3593);
else
- return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
+ return clamp_t(s8, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
}

static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev,
@@ -8492,11 +8492,11 @@ static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal)
return 0;
}

-static char rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
+static s8 rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
{
unsigned int cnt;
u8 bbp_val;
- char cal_val;
+ s8 cal_val;

rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82);

@@ -8528,7 +8528,7 @@ static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev,
u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31;
int loop = 0, is_ht40, cnt;
u8 bbp_val, rf_val;
- char cal_r32_init, cal_r32_val, cal_diff;
+ s8 cal_r32_init, cal_r32_val, cal_diff;
u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05;
u8 saverfb5r06, saverfb5r07;
u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20;
@@ -9979,9 +9979,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *default_power1;
- char *default_power2;
- char *default_power3;
+ s8 *default_power1;
+ s8 *default_power2;
+ s8 *default_power3;
unsigned int i, tx_chains, rx_chains;
u32 reg;

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
index 1139405c0ebb..6928f352f631 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.h
@@ -22,10 +22,10 @@
struct rt2800_drv_data {
u8 calibration_bw20;
u8 calibration_bw40;
- char rx_calibration_bw20;
- char rx_calibration_bw40;
- char tx_calibration_bw20;
- char tx_calibration_bw40;
+ s8 rx_calibration_bw20;
+ s8 rx_calibration_bw40;
+ s8 tx_calibration_bw20;
+ s8 tx_calibration_bw40;
u8 bbp25;
u8 bbp26;
u8 txmixer_gain_24g;
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
index 74c3d8cb3100..8b3c90231110 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c
@@ -117,12 +117,12 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev,
const u16 buffer_length)
{
int status = 0;
- unsigned char *tb;
+ u8 *tb;
u16 off, len, bsize;

mutex_lock(&rt2x00dev->csr_mutex);

- tb = (char *)buffer;
+ tb = (u8 *)buffer;
off = offset;
len = buffer_length;
while (len && !status) {
@@ -215,7 +215,7 @@ void rt2x00usb_register_read_async(struct rt2x00_dev *rt2x00dev,
rd->cr.wLength = cpu_to_le16(sizeof(u32));

usb_fill_control_urb(urb, usb_dev, usb_rcvctrlpipe(usb_dev, 0),
- (unsigned char *)(&rd->cr), &rd->reg, sizeof(rd->reg),
+ (u8 *)(&rd->cr), &rd->reg, sizeof(rd->reg),
rt2x00usb_register_read_async_cb, rd);
usb_anchor_urb(urb, rt2x00dev->anchor);
if (usb_submit_urb(urb, GFP_ATOMIC) < 0) {
diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
index 82cfc2aadc2b..52862955e080 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c
@@ -1709,7 +1709,7 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
{
u32 reg, reg2;
unsigned int i;
- char put_to_sleep;
+ bool put_to_sleep;

put_to_sleep = (state != STATE_AWAKE);

@@ -2656,7 +2656,7 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *tx_power;
+ u8 *tx_power;
unsigned int i;

/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.h b/drivers/net/wireless/ralink/rt2x00/rt61pci.h
index 5f208ad509bd..d72d0ffd1127 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.h
@@ -1484,6 +1484,6 @@ struct hw_pairwise_ta_entry {
(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

#define TXPOWER_TO_DEV(__txpower) \
- clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)
+ clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER)

#endif /* RT61PCI_H */
diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
index 5ff2c740c3ea..3aa46933b463 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c
@@ -1378,7 +1378,7 @@ static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
{
u32 reg, reg2;
unsigned int i;
- char put_to_sleep;
+ bool put_to_sleep;

put_to_sleep = (state != STATE_AWAKE);

@@ -2090,7 +2090,7 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *tx_power;
+ u8 *tx_power;
unsigned int i;

/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.h b/drivers/net/wireless/ralink/rt2x00/rt73usb.h
index 1b56d285c34b..bb0a68516c08 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt73usb.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.h
@@ -1063,6 +1063,6 @@ struct hw_pairwise_ta_entry {
(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

#define TXPOWER_TO_DEV(__txpower) \
- clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)
+ clamp_t(u8, __txpower, MIN_TXPOWER, MAX_TXPOWER)

#endif /* RT73USB_H */
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 960a31e3307a..93a19588ae92 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -981,6 +981,7 @@ void nvme_cleanup_cmd(struct request *req)
clear_bit_unlock(0, &ctrl->discard_page_busy);
else
kfree(bvec_virt(&req->special_vec));
+ req->rq_flags &= ~RQF_SPECIAL_PAYLOAD;
}
}
EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index 88b551caeaaf..5f9fbea8fc3c 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -37,8 +37,6 @@ MODULE_LICENSE("GPL");
#define WMI_METHOD_WMBB "2B4F501A-BD3C-4394-8DCF-00A7D2BC8210"
#define WMI_EVENT_GUID WMI_EVENT_GUID0

-#define WMAB_METHOD "\\XINI.WMAB"
-#define WMBB_METHOD "\\XINI.WMBB"
#define SB_GGOV_METHOD "\\_SB.GGOV"
#define GOV_TLED 0x2020008
#define WM_GET 1
@@ -73,7 +71,7 @@ static u32 inited;

static int battery_limit_use_wmbb;
static struct led_classdev kbd_backlight;
-static enum led_brightness get_kbd_backlight_level(void);
+static enum led_brightness get_kbd_backlight_level(struct device *dev);

static const struct key_entry wmi_keymap[] = {
{KE_KEY, 0x70, {KEY_F15} }, /* LG control panel (F1) */
@@ -83,7 +81,6 @@ static const struct key_entry wmi_keymap[] = {
* this key both sends an event and
* changes backlight level.
*/
- {KE_KEY, 0x80, {KEY_RFKILL} },
{KE_END, 0}
};

@@ -127,11 +124,10 @@ static int ggov(u32 arg0)
return res;
}

-static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmab(struct device *dev, u32 method, u32 arg1, u32 arg2)
{
union acpi_object args[3];
acpi_status status;
- acpi_handle handle;
struct acpi_object_list arg;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };

@@ -142,29 +138,22 @@ static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
args[2].type = ACPI_TYPE_INTEGER;
args[2].integer.value = arg2;

- status = acpi_get_handle(NULL, (acpi_string) WMAB_METHOD, &handle);
- if (ACPI_FAILURE(status)) {
- pr_err("Cannot get handle");
- return NULL;
- }
-
arg.count = 3;
arg.pointer = args;

- status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+ status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMAB", &arg, &buffer);
if (ACPI_FAILURE(status)) {
- acpi_handle_err(handle, "WMAB: call failed.\n");
+ dev_err(dev, "WMAB: call failed.\n");
return NULL;
}

return buffer.pointer;
}

-static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
+static union acpi_object *lg_wmbb(struct device *dev, u32 method_id, u32 arg1, u32 arg2)
{
union acpi_object args[3];
acpi_status status;
- acpi_handle handle;
struct acpi_object_list arg;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
u8 buf[32];
@@ -180,18 +169,12 @@ static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
args[2].buffer.length = 32;
args[2].buffer.pointer = buf;

- status = acpi_get_handle(NULL, (acpi_string)WMBB_METHOD, &handle);
- if (ACPI_FAILURE(status)) {
- pr_err("Cannot get handle");
- return NULL;
- }
-
arg.count = 3;
arg.pointer = args;

- status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
+ status = acpi_evaluate_object(ACPI_HANDLE(dev), "WMBB", &arg, &buffer);
if (ACPI_FAILURE(status)) {
- acpi_handle_err(handle, "WMAB: call failed.\n");
+ dev_err(dev, "WMBB: call failed.\n");
return NULL;
}

@@ -222,7 +205,7 @@ static void wmi_notify(u32 value, void *context)

if (eventcode == 0x10000000) {
led_classdev_notify_brightness_hw_changed(
- &kbd_backlight, get_kbd_backlight_level());
+ &kbd_backlight, get_kbd_backlight_level(kbd_backlight.dev->parent));
} else {
key = sparse_keymap_entry_from_scancode(
wmi_input_dev, eventcode);
@@ -271,14 +254,7 @@ static void wmi_input_setup(void)

static void acpi_notify(struct acpi_device *device, u32 event)
{
- struct key_entry *key;
-
acpi_handle_debug(device->handle, "notify: %d\n", event);
- if (inited & INIT_SPARSE_KEYMAP) {
- key = sparse_keymap_entry_from_scancode(wmi_input_dev, 0x80);
- if (key && key->type == KE_KEY)
- sparse_keymap_report_entry(wmi_input_dev, key, 1, true);
- }
}

static ssize_t fan_mode_store(struct device *dev,
@@ -294,7 +270,7 @@ static ssize_t fan_mode_store(struct device *dev,
if (ret)
return ret;

- r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+ r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
if (!r)
return -EIO;

@@ -305,9 +281,9 @@ static ssize_t fan_mode_store(struct device *dev,

m = r->integer.value;
kfree(r);
- r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
+ r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
kfree(r);
- r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
+ r = lg_wmab(dev, WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
kfree(r);

return count;
@@ -319,7 +295,7 @@ static ssize_t fan_mode_show(struct device *dev,
unsigned int status;
union acpi_object *r;

- r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
+ r = lg_wmab(dev, WM_FAN_MODE, WM_GET, 0);
if (!r)
return -EIO;

@@ -346,7 +322,7 @@ static ssize_t usb_charge_store(struct device *dev,
if (ret)
return ret;

- r = lg_wmbb(WMBB_USB_CHARGE, WM_SET, value);
+ r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_SET, value);
if (!r)
return -EIO;

@@ -360,7 +336,7 @@ static ssize_t usb_charge_show(struct device *dev,
unsigned int status;
union acpi_object *r;

- r = lg_wmbb(WMBB_USB_CHARGE, WM_GET, 0);
+ r = lg_wmbb(dev, WMBB_USB_CHARGE, WM_GET, 0);
if (!r)
return -EIO;

@@ -388,7 +364,7 @@ static ssize_t reader_mode_store(struct device *dev,
if (ret)
return ret;

- r = lg_wmab(WM_READER_MODE, WM_SET, value);
+ r = lg_wmab(dev, WM_READER_MODE, WM_SET, value);
if (!r)
return -EIO;

@@ -402,7 +378,7 @@ static ssize_t reader_mode_show(struct device *dev,
unsigned int status;
union acpi_object *r;

- r = lg_wmab(WM_READER_MODE, WM_GET, 0);
+ r = lg_wmab(dev, WM_READER_MODE, WM_GET, 0);
if (!r)
return -EIO;

@@ -430,7 +406,7 @@ static ssize_t fn_lock_store(struct device *dev,
if (ret)
return ret;

- r = lg_wmab(WM_FN_LOCK, WM_SET, value);
+ r = lg_wmab(dev, WM_FN_LOCK, WM_SET, value);
if (!r)
return -EIO;

@@ -444,7 +420,7 @@ static ssize_t fn_lock_show(struct device *dev,
unsigned int status;
union acpi_object *r;

- r = lg_wmab(WM_FN_LOCK, WM_GET, 0);
+ r = lg_wmab(dev, WM_FN_LOCK, WM_GET, 0);
if (!r)
return -EIO;

@@ -474,9 +450,9 @@ static ssize_t battery_care_limit_store(struct device *dev,
union acpi_object *r;

if (battery_limit_use_wmbb)
- r = lg_wmbb(WMBB_BATT_LIMIT, WM_SET, value);
+ r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_SET, value);
else
- r = lg_wmab(WM_BATT_LIMIT, WM_SET, value);
+ r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_SET, value);
if (!r)
return -EIO;

@@ -495,7 +471,7 @@ static ssize_t battery_care_limit_show(struct device *dev,
union acpi_object *r;

if (battery_limit_use_wmbb) {
- r = lg_wmbb(WMBB_BATT_LIMIT, WM_GET, 0);
+ r = lg_wmbb(&pf_device->dev, WMBB_BATT_LIMIT, WM_GET, 0);
if (!r)
return -EIO;

@@ -506,7 +482,7 @@ static ssize_t battery_care_limit_show(struct device *dev,

status = r->buffer.pointer[0x10];
} else {
- r = lg_wmab(WM_BATT_LIMIT, WM_GET, 0);
+ r = lg_wmab(&pf_device->dev, WM_BATT_LIMIT, WM_GET, 0);
if (!r)
return -EIO;

@@ -548,7 +524,7 @@ static void tpad_led_set(struct led_classdev *cdev,
{
union acpi_object *r;

- r = lg_wmab(WM_TLED, WM_SET, brightness > LED_OFF);
+ r = lg_wmab(cdev->dev->parent, WM_TLED, WM_SET, brightness > LED_OFF);
kfree(r);
}

@@ -570,16 +546,16 @@ static void kbd_backlight_set(struct led_classdev *cdev,
val = 0;
if (brightness >= LED_FULL)
val = 0x24;
- r = lg_wmab(WM_KEY_LIGHT, WM_SET, val);
+ r = lg_wmab(cdev->dev->parent, WM_KEY_LIGHT, WM_SET, val);
kfree(r);
}

-static enum led_brightness get_kbd_backlight_level(void)
+static enum led_brightness get_kbd_backlight_level(struct device *dev)
{
union acpi_object *r;
int val;

- r = lg_wmab(WM_KEY_LIGHT, WM_GET, 0);
+ r = lg_wmab(dev, WM_KEY_LIGHT, WM_GET, 0);

if (!r)
return LED_OFF;
@@ -607,7 +583,7 @@ static enum led_brightness get_kbd_backlight_level(void)

static enum led_brightness kbd_backlight_get(struct led_classdev *cdev)
{
- return get_kbd_backlight_level();
+ return get_kbd_backlight_level(cdev->dev->parent);
}

static LED_DEVICE(kbd_backlight, 255, LED_BRIGHT_HW_CHANGED);
@@ -634,6 +610,11 @@ static struct platform_driver pf_driver = {

static int acpi_add(struct acpi_device *device)
{
+ struct platform_device_info pdev_info = {
+ .fwnode = acpi_fwnode_handle(device),
+ .name = PLATFORM_NAME,
+ .id = PLATFORM_DEVID_NONE,
+ };
int ret;
const char *product;
int year = 2017;
@@ -645,9 +626,7 @@ static int acpi_add(struct acpi_device *device)
if (ret)
return ret;

- pf_device = platform_device_register_simple(PLATFORM_NAME,
- PLATFORM_DEVID_NONE,
- NULL, 0);
+ pf_device = platform_device_register_full(&pdev_info);
if (IS_ERR(pf_device)) {
ret = PTR_ERR(pf_device);
pf_device = NULL;
@@ -726,7 +705,7 @@ static int acpi_remove(struct acpi_device *device)
}

static const struct acpi_device_id device_ids[] = {
- {"LGEX0815", 0},
+ {"LGEX0820", 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, device_ids);
diff --git a/drivers/platform/x86/wireless-hotkey.c b/drivers/platform/x86/wireless-hotkey.c
index 11c60a273446..61ae722643e5 100644
--- a/drivers/platform/x86/wireless-hotkey.c
+++ b/drivers/platform/x86/wireless-hotkey.c
@@ -19,6 +19,7 @@ MODULE_AUTHOR("Alex Hung");
MODULE_ALIAS("acpi*:HPQ6001:*");
MODULE_ALIAS("acpi*:WSTADEF:*");
MODULE_ALIAS("acpi*:AMDI0051:*");
+MODULE_ALIAS("acpi*:LGEX0815:*");

static struct input_dev *wl_input_dev;

@@ -26,6 +27,7 @@ static const struct acpi_device_id wl_ids[] = {
{"HPQ6001", 0},
{"WSTADEF", 0},
{"AMDI0051", 0},
+ {"LGEX0815", 0},
{"", 0},
};

diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 2cf7fe131ece..0830ea42e7c8 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -1292,6 +1292,7 @@ sclp_init(void)
fail_unregister_reboot_notifier:
unregister_reboot_notifier(&sclp_reboot_notifier);
fail_init_state_uninitialized:
+ list_del(&sclp_state_change_event.list);
sclp_init_state = sclp_init_state_uninitialized;
free_page((unsigned long) sclp_read_sccb);
free_page((unsigned long) sclp_init_sccb);
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index a9c4a5e2ccb9..60792f257c23 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -406,28 +406,40 @@ static char print_alua_state(unsigned char state)
}
}

-static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
- struct scsi_sense_hdr *sense_hdr)
+static void alua_handle_state_transition(struct scsi_device *sdev)
{
struct alua_dh_data *h = sdev->handler_data;
struct alua_port_group *pg;

+ rcu_read_lock();
+ pg = rcu_dereference(h->pg);
+ if (pg)
+ pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
+ rcu_read_unlock();
+ alua_check(sdev, false);
+}
+
+static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
+ struct scsi_sense_hdr *sense_hdr)
+{
switch (sense_hdr->sense_key) {
case NOT_READY:
if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
/*
* LUN Not Accessible - ALUA state transition
*/
- rcu_read_lock();
- pg = rcu_dereference(h->pg);
- if (pg)
- pg->state = SCSI_ACCESS_STATE_TRANSITIONING;
- rcu_read_unlock();
- alua_check(sdev, false);
+ alua_handle_state_transition(sdev);
return NEEDS_RETRY;
}
break;
case UNIT_ATTENTION:
+ if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0a) {
+ /*
+ * LUN Not Accessible - ALUA state transition
+ */
+ alua_handle_state_transition(sdev);
+ return NEEDS_RETRY;
+ }
if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) {
/*
* Power On, Reset, or Bus Device Reset.
@@ -494,7 +506,8 @@ static int alua_tur(struct scsi_device *sdev)

retval = scsi_test_unit_ready(sdev, ALUA_FAILOVER_TIMEOUT * HZ,
ALUA_FAILOVER_RETRIES, &sense_hdr);
- if (sense_hdr.sense_key == NOT_READY &&
+ if ((sense_hdr.sense_key == NOT_READY ||
+ sense_hdr.sense_key == UNIT_ATTENTION) &&
sense_hdr.asc == 0x04 && sense_hdr.ascq == 0x0a)
return SCSI_DH_RETRY;
else if (retval)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 4caee4e32461..eb3e8b41adb1 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -182,6 +182,15 @@ void scsi_remove_host(struct Scsi_Host *shost)
scsi_proc_host_rm(shost);
scsi_proc_hostdir_rm(shost->hostt);

+ /*
+ * New SCSI devices cannot be attached anymore because of the SCSI host
+ * state so drop the tag set refcnt. Wait until the tag set refcnt drops
+ * to zero because .exit_cmd_priv implementations may need the host
+ * pointer.
+ */
+ kref_put(&shost->tagset_refcnt, scsi_mq_free_tags);
+ wait_for_completion(&shost->tagset_freed);
+
spin_lock_irqsave(shost->host_lock, flags);
if (scsi_host_set_state(shost, SHOST_DEL))
BUG_ON(scsi_host_set_state(shost, SHOST_DEL_RECOVERY));
@@ -240,6 +249,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,

shost->dma_dev = dma_dev;

+ kref_init(&shost->tagset_refcnt);
+ init_completion(&shost->tagset_freed);
+
/*
* Increase usage count temporarily here so that calling
* scsi_autopm_put_host() will trigger runtime idle if there is
@@ -312,6 +324,7 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
pm_runtime_disable(&shost->shost_gendev);
pm_runtime_set_suspended(&shost->shost_gendev);
pm_runtime_put_noidle(&shost->shost_gendev);
+ kref_put(&shost->tagset_refcnt, scsi_mq_free_tags);
fail:
return error;
}
@@ -344,9 +357,6 @@ static void scsi_host_dev_release(struct device *dev)
kfree(dev_name(&shost->shost_dev));
}

- if (shost->tag_set.tags)
- scsi_mq_destroy_tags(shost);
-
kfree(shost->shost_data);

ida_simple_remove(&host_index_ida, shost->host_no);
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index d7a1fb5c10c6..5028bc394c4f 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -111,6 +111,20 @@ static inline void sas_fail_probe(struct domain_device *dev, const char *func, i
func, dev->parent ? "exp-attached" :
"direct-attached",
SAS_ADDR(dev->sas_addr), err);
+
+ /*
+ * If the device probe failed, the expander phy attached address
+ * needs to be reset so that the phy will not be treated as flutter
+ * in the next revalidation
+ */
+ if (dev->parent && !dev_is_expander(dev->dev_type)) {
+ struct sas_phy *phy = dev->phy;
+ struct domain_device *parent = dev->parent;
+ struct ex_phy *ex_phy = &parent->ex_dev.ex_phy[phy->number];
+
+ memset(ex_phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+ }
+
sas_unregister_dev(dev->port, dev);
}

diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h
index ba94413fe2ea..1d457831f153 100644
--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -354,6 +354,7 @@ struct qedf_ctx {
#define QEDF_IN_RECOVERY 5
#define QEDF_DBG_STOP_IO 6
#define QEDF_PROBING 8
+#define QEDF_STAG_IN_PROGRESS 9
unsigned long flags; /* Miscellaneous state flags */
int fipvlan_retries;
u8 num_queues;
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 18380a932ab6..690d3464f876 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -318,11 +318,18 @@ static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did,
*/
if (resp == fc_lport_flogi_resp) {
qedf->flogi_cnt++;
+ qedf->flogi_pending++;
+
+ if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+ qedf->flogi_pending = 0;
+ }
+
if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) {
schedule_delayed_work(&qedf->stag_work, 2);
return NULL;
}
- qedf->flogi_pending++;
+
return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp,
arg, timeout);
}
@@ -911,13 +918,14 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
struct qedf_ctx *qedf;
struct qed_link_output if_link;

+ qedf = lport_priv(lport);
+
if (lport->vport) {
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
printk_ratelimited("Cannot issue host reset on NPIV port.\n");
return;
}

- qedf = lport_priv(lport);
-
qedf->flogi_pending = 0;
/* For host reset, essentially do a soft link up/down */
atomic_set(&qedf->link_state, QEDF_LINK_DOWN);
@@ -937,6 +945,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
if (!if_link.link_up) {
QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
"Physical link is not up.\n");
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
return;
}
/* Flush and wait to make sure link down is processed */
@@ -949,6 +958,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport)
"Queue link up work.\n");
queue_delayed_work(qedf->link_update_wq, &qedf->link_update,
0);
+ clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
}

/* Reset the host by gracefully logging out and then logging back in */
@@ -3467,6 +3477,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode)
}

/* Start the Slowpath-process */
+ memset(&slowpath_params, 0, sizeof(struct qed_slowpath_params));
slowpath_params.int_mode = QED_INT_MODE_MSIX;
slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER;
slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER;
@@ -3725,6 +3736,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
{
struct qedf_ctx *qedf;
int rc;
+ int cnt = 0;

if (!pdev) {
QEDF_ERR(NULL, "pdev is NULL.\n");
@@ -3742,6 +3754,17 @@ static void __qedf_remove(struct pci_dev *pdev, int mode)
return;
}

+stag_in_prog:
+ if (test_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Stag in progress, cnt=%d.\n", cnt);
+ cnt++;
+
+ if (cnt < 5) {
+ msleep(500);
+ goto stag_in_prog;
+ }
+ }
+
if (mode != QEDF_MODE_RECOVERY)
set_bit(QEDF_UNLOADING, &qedf->flags);

@@ -4001,6 +4024,24 @@ void qedf_stag_change_work(struct work_struct *work)
struct qedf_ctx *qedf =
container_of(work, struct qedf_ctx, stag_work.work);

+ if (!qedf) {
+ QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL");
+ return;
+ }
+
+ if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx,
+ "Already is in recovery, hence not calling software context reset.\n");
+ return;
+ }
+
+ if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+ QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+ return;
+ }
+
+ set_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags);
+
printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.",
dev_name(&qedf->pdev->dev), __func__, __LINE__,
qedf->dbg_ctx.host_no);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0389bf281f4b..2d3779032163 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1949,9 +1949,13 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost)
return blk_mq_alloc_tag_set(tag_set);
}

-void scsi_mq_destroy_tags(struct Scsi_Host *shost)
+void scsi_mq_free_tags(struct kref *kref)
{
+ struct Scsi_Host *shost = container_of(kref, typeof(*shost),
+ tagset_refcnt);
+
blk_mq_free_tag_set(&shost->tag_set);
+ complete(&shost->tagset_freed);
}

/**
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index b650407690a8..b531dec3d420 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -95,7 +95,7 @@ extern void scsi_run_host_queues(struct Scsi_Host *shost);
extern void scsi_requeue_run_queue(struct work_struct *work);
extern void scsi_start_queue(struct scsi_device *sdev);
extern int scsi_mq_setup_tags(struct Scsi_Host *shost);
-extern void scsi_mq_destroy_tags(struct Scsi_Host *shost);
+extern void scsi_mq_free_tags(struct kref *kref);
extern void scsi_exit_queue(void);
extern void scsi_evt_thread(struct work_struct *work);

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 86c10edbb5f1..9c155d576814 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -324,6 +324,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
kfree(sdev);
goto out;
}
+ kref_get(&sdev->host->tagset_refcnt);
sdev->request_queue = q;
q->queuedata = sdev;
__scsi_init_queue(sdev->host, q);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 774864b54b97..4c72116c8693 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1490,6 +1490,7 @@ void __scsi_remove_device(struct scsi_device *sdev)
mutex_unlock(&sdev->state_mutex);

blk_cleanup_queue(sdev->request_queue);
+ kref_put(&sdev->host->tagset_refcnt, scsi_mq_free_tags);
cancel_work_sync(&sdev->requeue_work);

if (sdev->host->hostt->slave_destroy)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index f201653931d8..c806ee8070e5 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1016,7 +1016,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
.rx_available = mx31_rx_available,
.reset = mx31_reset,
.fifo_size = 8,
- .has_dmamode = true,
+ .has_dmamode = false,
.dynamic_burst = false,
.has_slavemode = false,
.devtype = IMX35_CSPI,
diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index f5d32ec4634e..e1af2d8ed51a 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -156,6 +156,7 @@ static int spi_mux_probe(struct spi_device *spi)
/* supported modes are the same as our parent's */
ctlr->mode_bits = spi->controller->mode_bits;
ctlr->flags = spi->controller->flags;
+ ctlr->bits_per_word_mask = spi->controller->bits_per_word_mask;
ctlr->transfer_one_message = spi_mux_transfer_one_message;
ctlr->setup = spi_mux_setup;
ctlr->num_chipselect = mux_control_states(priv->mux);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index c50cabf69415..1f5ab51e18dc 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1196,7 +1196,7 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info)

int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
{
- struct btrfs_root *quota_root;
+ struct btrfs_root *quota_root = NULL;
struct btrfs_trans_handle *trans = NULL;
int ret = 0;

@@ -1290,9 +1290,9 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
btrfs_free_tree_block(trans, btrfs_root_id(quota_root),
quota_root->node, 0, 1);

- btrfs_put_root(quota_root);

out:
+ btrfs_put_root(quota_root);
mutex_unlock(&fs_info->qgroup_ioctl_lock);
if (ret && trans)
btrfs_end_transaction(trans);
diff --git a/fs/dcache.c b/fs/dcache.c
index 9a29cfdaa541..43d75e7ee478 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -3127,28 +3127,25 @@ EXPORT_SYMBOL(d_splice_alias);

bool is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
{
- bool result;
+ bool subdir;
unsigned seq;

if (new_dentry == old_dentry)
return true;

- do {
- /* for restarting inner loop in case of seq retry */
- seq = read_seqbegin(&rename_lock);
- /*
- * Need rcu_readlock to protect against the d_parent trashing
- * due to d_move
- */
- rcu_read_lock();
- if (d_ancestor(old_dentry, new_dentry))
- result = true;
- else
- result = false;
- rcu_read_unlock();
- } while (read_seqretry(&rename_lock, seq));
-
- return result;
+ /* Access d_parent under rcu as d_move() may change it. */
+ rcu_read_lock();
+ seq = read_seqbegin(&rename_lock);
+ subdir = d_ancestor(old_dentry, new_dentry);
+ /* Try lockless once... */
+ if (read_seqretry(&rename_lock, seq)) {
+ /* ...else acquire lock for progress even on deep chains. */
+ read_seqlock_excl(&rename_lock);
+ subdir = d_ancestor(old_dentry, new_dentry);
+ read_sequnlock_excl(&rename_lock);
+ }
+ rcu_read_unlock();
+ return subdir;
}
EXPORT_SYMBOL(is_subdir);

diff --git a/fs/file.c b/fs/file.c
index 69a51d37b66d..b46a4a725a0e 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -481,12 +481,12 @@ struct files_struct init_files = {

static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start)
{
- unsigned int maxfd = fdt->max_fds;
+ unsigned int maxfd = fdt->max_fds; /* always multiple of BITS_PER_LONG */
unsigned int maxbit = maxfd / BITS_PER_LONG;
unsigned int bitbit = start / BITS_PER_LONG;

bitbit = find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) * BITS_PER_LONG;
- if (bitbit > maxfd)
+ if (bitbit >= maxfd)
return maxfd;
if (bitbit > start)
start = bitbit;
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index e2855ceefd39..71fb2f8e9117 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -699,7 +699,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
return err;
}

- strbuf = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN +
+ strbuf = kzalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN +
XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL);
if (!strbuf) {
res = -ENOMEM;
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 07df16ce8006..8ef8dfc3c194 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -797,7 +797,7 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data,
size_t buf_size)
{
struct jfs_ea_list *ealist;
- struct jfs_ea *ea;
+ struct jfs_ea *ea, *ealist_end;
struct ea_buffer ea_buf;
int xattr_size;
ssize_t size;
@@ -817,9 +817,16 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data,
goto not_found;

ealist = (struct jfs_ea_list *) ea_buf.xattr;
+ ealist_end = END_EALIST(ealist);

/* Find the named attribute */
- for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea))
+ for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) {
+ if (unlikely(ea + 1 > ealist_end) ||
+ unlikely(NEXT_EA(ea) > ealist_end)) {
+ size = -EUCLEAN;
+ goto release;
+ }
+
if ((namelen == ea->namelen) &&
memcmp(name, ea->name, namelen) == 0) {
/* Found it */
@@ -834,6 +841,7 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data,
memcpy(data, value, size);
goto release;
}
+ }
not_found:
size = -ENODATA;
release:
@@ -861,7 +869,7 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
ssize_t size = 0;
int xattr_size;
struct jfs_ea_list *ealist;
- struct jfs_ea *ea;
+ struct jfs_ea *ea, *ealist_end;
struct ea_buffer ea_buf;

down_read(&JFS_IP(inode)->xattr_sem);
@@ -876,9 +884,16 @@ ssize_t jfs_listxattr(struct dentry * dentry, char *data, size_t buf_size)
goto release;

ealist = (struct jfs_ea_list *) ea_buf.xattr;
+ ealist_end = END_EALIST(ealist);

/* compute required size of list */
- for (ea = FIRST_EA(ealist); ea < END_EALIST(ealist); ea = NEXT_EA(ea)) {
+ for (ea = FIRST_EA(ealist); ea < ealist_end; ea = NEXT_EA(ea)) {
+ if (unlikely(ea + 1 > ealist_end) ||
+ unlikely(NEXT_EA(ea) > ealist_end)) {
+ size = -EUCLEAN;
+ goto release;
+ }
+
if (can_list(ea))
size += name_size(ea) + 1;
}
diff --git a/fs/locks.c b/fs/locks.c
index 360c348ae6c8..250559af8064 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2483,8 +2483,9 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
error = do_lock_file_wait(filp, cmd, file_lock);

/*
- * Attempt to detect a close/fcntl race and recover by releasing the
- * lock that was just acquired. There is no need to do that when we're
+ * Detect close/fcntl races and recover by zapping all POSIX locks
+ * associated with this file and our files_struct, just like on
+ * filp_flush(). There is no need to do that when we're
* unlocking though, or for OFD locks.
*/
if (!error && file_lock->fl_type != F_UNLCK &&
@@ -2499,9 +2500,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
f = files_lookup_fd_locked(files, fd);
spin_unlock(&files->file_lock);
if (f != filp) {
- file_lock->fl_type = F_UNLCK;
- error = do_lock_file_wait(filp, cmd, file_lock);
- WARN_ON_ONCE(error);
+ locks_remove_posix(filp, files);
error = -EBADF;
}
}
@@ -2606,8 +2605,9 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
error = do_lock_file_wait(filp, cmd, file_lock);

/*
- * Attempt to detect a close/fcntl race and recover by releasing the
- * lock that was just acquired. There is no need to do that when we're
+ * Detect close/fcntl races and recover by zapping all POSIX locks
+ * associated with this file and our files_struct, just like on
+ * filp_flush(). There is no need to do that when we're
* unlocking though, or for OFD locks.
*/
if (!error && file_lock->fl_type != F_UNLCK &&
@@ -2622,9 +2622,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
f = files_lookup_fd_locked(files, fd);
spin_unlock(&files->file_lock);
if (f != filp) {
- file_lock->fl_type = F_UNLCK;
- error = do_lock_file_wait(filp, cmd, file_lock);
- WARN_ON_ONCE(error);
+ locks_remove_posix(filp, files);
error = -EBADF;
}
}
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 369ab64a0b84..8ac677e3b250 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -724,7 +724,8 @@ static bool check_rstbl(const struct RESTART_TABLE *rt, size_t bytes)

if (!rsize || rsize > bytes ||
rsize + sizeof(struct RESTART_TABLE) > bytes || bytes < ts ||
- le16_to_cpu(rt->total) > ne || ff > ts || lf > ts ||
+ le16_to_cpu(rt->total) > ne ||
+ ff > ts - sizeof(__le32) || lf > ts - sizeof(__le32) ||
(ff && ff < sizeof(struct RESTART_TABLE)) ||
(lf && lf < sizeof(struct RESTART_TABLE))) {
return false;
@@ -754,6 +755,9 @@ static bool check_rstbl(const struct RESTART_TABLE *rt, size_t bytes)
return false;

off = le32_to_cpu(*(__le32 *)Add2Ptr(rt, off));
+
+ if (off > ts - sizeof(__le32))
+ return false;
}

return true;
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index bd8d534f11cb..c9797dd06785 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -294,13 +294,16 @@ static void ocfs2_dx_dir_name_hash(struct inode *dir, const char *name, int len,
* bh passed here can be an inode block or a dir data block, depending
* on the inode inline data flag.
*/
-static int ocfs2_check_dir_entry(struct inode * dir,
- struct ocfs2_dir_entry * de,
- struct buffer_head * bh,
+static int ocfs2_check_dir_entry(struct inode *dir,
+ struct ocfs2_dir_entry *de,
+ struct buffer_head *bh,
+ char *buf,
+ unsigned int size,
unsigned long offset)
{
const char *error_msg = NULL;
const int rlen = le16_to_cpu(de->rec_len);
+ const unsigned long next_offset = ((char *) de - buf) + rlen;

if (unlikely(rlen < OCFS2_DIR_REC_LEN(1)))
error_msg = "rec_len is smaller than minimal";
@@ -308,9 +311,11 @@ static int ocfs2_check_dir_entry(struct inode * dir,
error_msg = "rec_len % 4 != 0";
else if (unlikely(rlen < OCFS2_DIR_REC_LEN(de->name_len)))
error_msg = "rec_len is too small for name_len";
- else if (unlikely(
- ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))
- error_msg = "directory entry across blocks";
+ else if (unlikely(next_offset > size))
+ error_msg = "directory entry overrun";
+ else if (unlikely(next_offset > size - OCFS2_DIR_REC_LEN(1)) &&
+ next_offset != size)
+ error_msg = "directory entry too close to end";

if (unlikely(error_msg != NULL))
mlog(ML_ERROR, "bad entry in directory #%llu: %s - "
@@ -352,16 +357,17 @@ static inline int ocfs2_search_dirblock(struct buffer_head *bh,
de_buf = first_de;
dlimit = de_buf + bytes;

- while (de_buf < dlimit) {
+ while (de_buf < dlimit - OCFS2_DIR_MEMBER_LEN) {
/* this code is executed quadratically often */
/* do minimal checking `by hand' */

de = (struct ocfs2_dir_entry *) de_buf;

- if (de_buf + namelen <= dlimit &&
+ if (de->name + namelen <= dlimit &&
ocfs2_match(namelen, name, de)) {
/* found a match - just to be sure, do a full check */
- if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {
+ if (!ocfs2_check_dir_entry(dir, de, bh, first_de,
+ bytes, offset)) {
ret = -1;
goto bail;
}
@@ -1138,7 +1144,7 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,
pde = NULL;
de = (struct ocfs2_dir_entry *) first_de;
while (i < bytes) {
- if (!ocfs2_check_dir_entry(dir, de, bh, i)) {
+ if (!ocfs2_check_dir_entry(dir, de, bh, first_de, bytes, i)) {
status = -EIO;
mlog_errno(status);
goto bail;
@@ -1638,7 +1644,8 @@ int __ocfs2_add_entry(handle_t *handle,
/* These checks should've already been passed by the
* prepare function, but I guess we can leave them
* here anyway. */
- if (!ocfs2_check_dir_entry(dir, de, insert_bh, offset)) {
+ if (!ocfs2_check_dir_entry(dir, de, insert_bh, data_start,
+ size, offset)) {
retval = -ENOENT;
goto bail;
}
@@ -1776,7 +1783,8 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode,
}

de = (struct ocfs2_dir_entry *) (data->id_data + ctx->pos);
- if (!ocfs2_check_dir_entry(inode, de, di_bh, ctx->pos)) {
+ if (!ocfs2_check_dir_entry(inode, de, di_bh, (char *)data->id_data,
+ i_size_read(inode), ctx->pos)) {
/* On error, skip the f_pos to the end. */
ctx->pos = i_size_read(inode);
break;
@@ -1869,7 +1877,8 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode,
while (ctx->pos < i_size_read(inode)
&& offset < sb->s_blocksize) {
de = (struct ocfs2_dir_entry *) (bh->b_data + offset);
- if (!ocfs2_check_dir_entry(inode, de, bh, offset)) {
+ if (!ocfs2_check_dir_entry(inode, de, bh, bh->b_data,
+ sb->s_blocksize, offset)) {
/* On error, skip the f_pos to the
next block. */
ctx->pos = (ctx->pos | (sb->s_blocksize - 1)) + 1;
@@ -3341,7 +3350,7 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh,
struct super_block *sb = dir->i_sb;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
struct ocfs2_dir_entry *de, *last_de = NULL;
- char *de_buf, *limit;
+ char *first_de, *de_buf, *limit;
unsigned long offset = 0;
unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize;

@@ -3354,14 +3363,16 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh,
else
free_space = dir->i_sb->s_blocksize - i_size_read(dir);

- de_buf = di->id2.i_data.id_data;
+ first_de = di->id2.i_data.id_data;
+ de_buf = first_de;
limit = de_buf + i_size_read(dir);
rec_len = OCFS2_DIR_REC_LEN(namelen);

while (de_buf < limit) {
de = (struct ocfs2_dir_entry *)de_buf;

- if (!ocfs2_check_dir_entry(dir, de, di_bh, offset)) {
+ if (!ocfs2_check_dir_entry(dir, de, di_bh, first_de,
+ i_size_read(dir), offset)) {
ret = -ENOENT;
goto out;
}
@@ -3443,7 +3454,8 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name,
/* move to next block */
de = (struct ocfs2_dir_entry *) bh->b_data;
}
- if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {
+ if (!ocfs2_check_dir_entry(dir, de, bh, bh->b_data, blocksize,
+ offset)) {
status = -ENOENT;
goto bail;
}
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 0f7fd205ab7e..65111de4ad6b 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -246,6 +246,12 @@ static inline void *offset_to_ptr(const int *off)
/* &a[0] degrades to a pointer: a different type from an array */
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))

+/*
+ * Whether 'type' is a signed type or an unsigned type. Supports scalar types,
+ * bool and also pointer types.
+ */
+#define is_signed_type(type) (((type)(-1)) < (__force type)1)
+
/*
* This is needed in functions which generate the stack canary, see
* arch/x86/kernel/smpboot.c::start_secondary() for an example.
diff --git a/include/linux/minmax.h b/include/linux/minmax.h
index 1aea34b8f19b..dd52969698f7 100644
--- a/include/linux/minmax.h
+++ b/include/linux/minmax.h
@@ -2,54 +2,93 @@
#ifndef _LINUX_MINMAX_H
#define _LINUX_MINMAX_H

+#include <linux/build_bug.h>
+#include <linux/compiler.h>
#include <linux/const.h>

/*
* min()/max()/clamp() macros must accomplish three things:
*
- * - avoid multiple evaluations of the arguments (so side-effects like
+ * - Avoid multiple evaluations of the arguments (so side-effects like
* "x++" happen only once) when non-constant.
- * - perform strict type-checking (to generate warnings instead of
- * nasty runtime surprises). See the "unnecessary" pointer comparison
- * in __typecheck().
- * - retain result as a constant expressions when called with only
+ * - Retain result as a constant expressions when called with only
* constant expressions (to avoid tripping VLA warnings in stack
* allocation usage).
+ * - Perform signed v unsigned type-checking (to generate compile
+ * errors instead of nasty runtime surprises).
+ * - Unsigned char/short are always promoted to signed int and can be
+ * compared against signed or unsigned arguments.
+ * - Unsigned arguments can be compared against non-negative signed constants.
+ * - Comparison of a signed argument against an unsigned constant fails
+ * even if the constant is below __INT_MAX__ and could be cast to int.
*/
#define __typecheck(x, y) \
(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))

-#define __no_side_effects(x, y) \
- (__is_constexpr(x) && __is_constexpr(y))
+/* is_signed_type() isn't a constexpr for pointer types */
+#define __is_signed(x) \
+ __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))), \
+ is_signed_type(typeof(x)), 0)

-#define __safe_cmp(x, y) \
- (__typecheck(x, y) && __no_side_effects(x, y))
+/* True for a non-negative signed int constant */
+#define __is_noneg_int(x) \
+ (__builtin_choose_expr(__is_constexpr(x) && __is_signed(x), x, -1) >= 0)

-#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
+#define __types_ok(x, y) \
+ (__is_signed(x) == __is_signed(y) || \
+ __is_signed((x) + 0) == __is_signed((y) + 0) || \
+ __is_noneg_int(x) || __is_noneg_int(y))

-#define __cmp_once(x, y, unique_x, unique_y, op) ({ \
+#define __cmp_op_min <
+#define __cmp_op_max >
+
+#define __cmp(op, x, y) ((x) __cmp_op_##op (y) ? (x) : (y))
+
+#define __cmp_once(op, x, y, unique_x, unique_y) ({ \
typeof(x) unique_x = (x); \
typeof(y) unique_y = (y); \
- __cmp(unique_x, unique_y, op); })
-
-#define __careful_cmp(x, y, op) \
- __builtin_choose_expr(__safe_cmp(x, y), \
- __cmp(x, y, op), \
- __cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
+ static_assert(__types_ok(x, y), \
+ #op "(" #x ", " #y ") signedness error, fix types or consider u" #op "() before " #op "_t()"); \
+ __cmp(op, unique_x, unique_y); })
+
+#define __careful_cmp(op, x, y) \
+ __builtin_choose_expr(__is_constexpr((x) - (y)), \
+ __cmp(op, x, y), \
+ __cmp_once(op, x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y)))
+
+#define __clamp(val, lo, hi) \
+ ((val) >= (hi) ? (hi) : ((val) <= (lo) ? (lo) : (val)))
+
+#define __clamp_once(val, lo, hi, unique_val, unique_lo, unique_hi) ({ \
+ typeof(val) unique_val = (val); \
+ typeof(lo) unique_lo = (lo); \
+ typeof(hi) unique_hi = (hi); \
+ static_assert(__builtin_choose_expr(__is_constexpr((lo) > (hi)), \
+ (lo) <= (hi), true), \
+ "clamp() low limit " #lo " greater than high limit " #hi); \
+ static_assert(__types_ok(val, lo), "clamp() 'lo' signedness error"); \
+ static_assert(__types_ok(val, hi), "clamp() 'hi' signedness error"); \
+ __clamp(unique_val, unique_lo, unique_hi); })
+
+#define __careful_clamp(val, lo, hi) ({ \
+ __builtin_choose_expr(__is_constexpr((val) - (lo) + (hi)), \
+ __clamp(val, lo, hi), \
+ __clamp_once(val, lo, hi, __UNIQUE_ID(__val), \
+ __UNIQUE_ID(__lo), __UNIQUE_ID(__hi))); })

/**
* min - return minimum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
-#define min(x, y) __careful_cmp(x, y, <)
+#define min(x, y) __careful_cmp(min, x, y)

/**
* max - return maximum of two values of the same or compatible types
* @x: first value
* @y: second value
*/
-#define max(x, y) __careful_cmp(x, y, >)
+#define max(x, y) __careful_cmp(max, x, y)

/**
* umin - return minimum of two non-negative values
@@ -58,7 +97,7 @@
* @y: second value
*/
#define umin(x, y) \
- __careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, <)
+ __careful_cmp(min, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)

/**
* umax - return maximum of two non-negative values
@@ -66,7 +105,7 @@
* @y: second value
*/
#define umax(x, y) \
- __careful_cmp((x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull, >)
+ __careful_cmp(max, (x) + 0u + 0ul + 0ull, (y) + 0u + 0ul + 0ull)

/**
* min3 - return minimum of three values
@@ -103,7 +142,7 @@
* This macro does strict typechecking of @lo/@hi to make sure they are of the
* same type as @val. See the unnecessary pointer comparisons.
*/
-#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
+#define clamp(val, lo, hi) __careful_clamp(val, lo, hi)

/*
* ..and if you can't take the strict
@@ -118,7 +157,7 @@
* @x: first value
* @y: second value
*/
-#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
+#define min_t(type, x, y) __careful_cmp(min, (type)(x), (type)(y))

/**
* max_t - return maximum of two values, using the specified type
@@ -126,7 +165,7 @@
* @x: first value
* @y: second value
*/
-#define max_t(type, x, y) __careful_cmp((type)(x), (type)(y), >)
+#define max_t(type, x, y) __careful_cmp(max, (type)(x), (type)(y))

/**
* clamp_t - return a value clamped to a given range using a given type
@@ -138,7 +177,7 @@
* This macro does no typechecking and uses temporary variables of type
* @type to make all the comparisons.
*/
-#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
+#define clamp_t(type, val, lo, hi) __careful_clamp((type)(val), (type)(lo), (type)(hi))

/**
* clamp_val - return a value clamped to a given range using val's type
diff --git a/include/linux/overflow.h b/include/linux/overflow.h
index 73bc67ec2136..e6bf14f462e9 100644
--- a/include/linux/overflow.h
+++ b/include/linux/overflow.h
@@ -29,7 +29,6 @@
* https://mail-index.netbsd.org/tech-misc/2007/02/05/0000.html -
* credit to Christian Biere.
*/
-#define is_signed_type(type) (((type)(-1)) < (type)1)
#define __type_half_max(type) ((type)1 << (8*sizeof(type) - 1 - is_signed_type(type)))
#define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
#define type_min(T) ((T)((T)-type_max(T)-(T)1))
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 17575aa2a53c..511c43ce9421 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -801,8 +801,6 @@ extern int trace_add_event_call(struct trace_event_call *call);
extern int trace_remove_event_call(struct trace_event_call *call);
extern int trace_event_get_offsets(struct trace_event_call *call);

-#define is_signed_type(type) (((type)(-1)) < (type)1)
-
int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set);
int trace_set_clr_event(const char *system, const char *event, int set);
int trace_array_set_clr_event(struct trace_array *tr, const char *system,
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index f50861e4e88a..3ed93982dbf0 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -565,6 +565,8 @@ struct Scsi_Host {
struct scsi_host_template *hostt;
struct scsi_transport_template *transportt;

+ struct kref tagset_refcnt;
+ struct completion tagset_freed;
/* Area to keep a shared tag map */
struct blk_mq_tag_set tag_set;

diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 96666efddb39..6d9c94a57073 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -34,6 +34,7 @@ snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream
int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream,
struct dma_chan *chan);
int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream);
+int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream);

int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,
dma_filter_fn filter_fn, void *filter_data);
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
index 710ba9de12ce..eb6ff0d0c06b 100644
--- a/kernel/bpf/ringbuf.c
+++ b/kernel/bpf/ringbuf.c
@@ -41,9 +41,12 @@ struct bpf_ringbuf {
* mapping consumer page as r/w, but restrict producer page to r/o.
* This protects producer position from being modified by user-space
* application and ruining in-kernel position tracking.
+ * Note that the pending counter is placed in the same
+ * page as the producer, so that it shares the same cache line.
*/
unsigned long consumer_pos __aligned(PAGE_SIZE);
unsigned long producer_pos __aligned(PAGE_SIZE);
+ unsigned long pending_pos;
char data[] __aligned(PAGE_SIZE);
};

@@ -141,6 +144,7 @@ static struct bpf_ringbuf *bpf_ringbuf_alloc(size_t data_sz, int numa_node)
rb->mask = data_sz - 1;
rb->consumer_pos = 0;
rb->producer_pos = 0;
+ rb->pending_pos = 0;

return rb;
}
@@ -304,9 +308,9 @@ bpf_ringbuf_restore_from_rec(struct bpf_ringbuf_hdr *hdr)

static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
{
- unsigned long cons_pos, prod_pos, new_prod_pos, flags;
- u32 len, pg_off;
+ unsigned long cons_pos, prod_pos, new_prod_pos, pend_pos, flags;
struct bpf_ringbuf_hdr *hdr;
+ u32 len, pg_off, tmp_size, hdr_len;

if (unlikely(size > RINGBUF_MAX_RECORD_SZ))
return NULL;
@@ -324,13 +328,29 @@ static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
spin_lock_irqsave(&rb->spinlock, flags);
}

+ pend_pos = rb->pending_pos;
prod_pos = rb->producer_pos;
new_prod_pos = prod_pos + len;

- /* check for out of ringbuf space by ensuring producer position
- * doesn't advance more than (ringbuf_size - 1) ahead
+ while (pend_pos < prod_pos) {
+ hdr = (void *)rb->data + (pend_pos & rb->mask);
+ hdr_len = READ_ONCE(hdr->len);
+ if (hdr_len & BPF_RINGBUF_BUSY_BIT)
+ break;
+ tmp_size = hdr_len & ~BPF_RINGBUF_DISCARD_BIT;
+ tmp_size = round_up(tmp_size + BPF_RINGBUF_HDR_SZ, 8);
+ pend_pos += tmp_size;
+ }
+ rb->pending_pos = pend_pos;
+
+ /* check for out of ringbuf space:
+ * - by ensuring producer position doesn't advance more than
+ * (ringbuf_size - 1) ahead
+ * - by ensuring oldest not yet committed record until newest
+ * record does not span more than (ringbuf_size - 1)
*/
- if (new_prod_pos - cons_pos > rb->mask) {
+ if (new_prod_pos - cons_pos > rb->mask ||
+ new_prod_pos - pend_pos > rb->mask) {
spin_unlock_irqrestore(&rb->spinlock, flags);
return NULL;
}
diff --git a/mm/damon/core.c b/mm/damon/core.c
index 7a4912d6e65f..4f031412f65c 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -507,14 +507,31 @@ static void damon_merge_regions_of(struct damon_target *t, unsigned int thres,
* access frequencies are similar. This is for minimizing the monitoring
* overhead under the dynamically changeable access pattern. If a merge was
* unnecessarily made, later 'kdamond_split_regions()' will revert it.
+ *
+ * The total number of regions could be higher than the user-defined limit,
+ * max_nr_regions for some cases. For example, the user can update
+ * max_nr_regions to a number that lower than the current number of regions
+ * while DAMON is running. For such a case, repeat merging until the limit is
+ * met while increasing @threshold up to possible maximum level.
*/
static void kdamond_merge_regions(struct damon_ctx *c, unsigned int threshold,
unsigned long sz_limit)
{
struct damon_target *t;
-
- damon_for_each_target(t, c)
- damon_merge_regions_of(t, threshold, sz_limit);
+ unsigned int nr_regions;
+ unsigned int max_thres;
+
+ max_thres = c->aggr_interval /
+ (c->sample_interval ? c->sample_interval : 1);
+ do {
+ nr_regions = 0;
+ damon_for_each_target(t, c) {
+ damon_merge_regions_of(t, threshold, sz_limit);
+ nr_regions += damon_nr_regions(t);
+ }
+ threshold = max(1, threshold * 2);
+ } while (nr_regions > c->max_nr_regions &&
+ threshold / 2 < max_thres);
}

/*
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8a3c867bdff0..fc4e02b3f26a 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -4025,7 +4025,11 @@ void hci_unregister_dev(struct hci_dev *hdev)
list_del(&hdev->list);
write_unlock(&hci_dev_list_lock);

+ cancel_work_sync(&hdev->rx_work);
+ cancel_work_sync(&hdev->cmd_work);
+ cancel_work_sync(&hdev->tx_work);
cancel_work_sync(&hdev->power_on);
+ cancel_work_sync(&hdev->error_reset);

if (!test_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks)) {
hci_suspend_clear_tasks(hdev);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 110ac22d3ce2..20cdd0efb95b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -761,7 +761,9 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags,
sock_rps_record_flow(sk2);
WARN_ON(!((1 << sk2->sk_state) &
(TCPF_ESTABLISHED | TCPF_SYN_RECV |
- TCPF_CLOSE_WAIT | TCPF_CLOSE)));
+ TCPF_FIN_WAIT1 | TCPF_FIN_WAIT2 |
+ TCPF_CLOSING | TCPF_CLOSE_WAIT |
+ TCPF_CLOSE)));

sock_graft(sk2, newsock);

diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c
index 8c1ce78956ba..9d37f7164e73 100644
--- a/net/ipv6/ila/ila_lwt.c
+++ b/net/ipv6/ila/ila_lwt.c
@@ -58,7 +58,9 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
return orig_dst->lwtstate->orig_output(net, sk, skb);
}

+ local_bh_disable();
dst = dst_cache_get(&ilwt->dst_cache);
+ local_bh_enable();
if (unlikely(!dst)) {
struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct flowi6 fl6;
@@ -86,8 +88,11 @@ static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
goto drop;
}

- if (ilwt->connected)
+ if (ilwt->connected) {
+ local_bh_disable();
dst_cache_set_ip6(&ilwt->dst_cache, dst, &fl6.saddr);
+ local_bh_enable();
+ }
}

skb_dst_set(skb, dst);
diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index ff691d9f4a04..26adbe7f8a2f 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -212,9 +212,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
if (unlikely(err))
goto drop;

- preempt_disable();
+ local_bh_disable();
dst = dst_cache_get(&rlwt->cache);
- preempt_enable();
+ local_bh_enable();

if (unlikely(!dst)) {
struct ipv6hdr *hdr = ipv6_hdr(skb);
@@ -234,9 +234,9 @@ static int rpl_output(struct net *net, struct sock *sk, struct sk_buff *skb)
goto drop;
}

- preempt_disable();
+ local_bh_disable();
dst_cache_set_ip6(&rlwt->cache, dst, &fl6.saddr);
- preempt_enable();
+ local_bh_enable();
}

skb_dst_drop(skb);
@@ -268,9 +268,8 @@ static int rpl_input(struct sk_buff *skb)
return err;
}

- preempt_disable();
+ local_bh_disable();
dst = dst_cache_get(&rlwt->cache);
- preempt_enable();

skb_dst_drop(skb);

@@ -278,14 +277,13 @@ static int rpl_input(struct sk_buff *skb)
ip6_route_input(skb);
dst = skb_dst(skb);
if (!dst->error) {
- preempt_disable();
dst_cache_set_ip6(&rlwt->cache, dst,
&ipv6_hdr(skb)->saddr);
- preempt_enable();
}
} else {
skb_dst_set(skb, dst);
}
+ local_bh_enable();

err = skb_cow_head(skb, LL_RESERVED_SPACE(dst->dev));
if (unlikely(err))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 03f8c8bdab76..03c238e68038 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1803,6 +1803,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);

+void ieee80211_handle_queued_frames(struct ieee80211_local *local);
+
u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local);
int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
u64 *cookie, gfp_t gfp);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 9617ff8e2714..1c2cdaeb353b 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -220,9 +220,9 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
BSS_CHANGED_ERP_SLOT;
}

-static void ieee80211_tasklet_handler(struct tasklet_struct *t)
+/* context: requires softirqs disabled */
+void ieee80211_handle_queued_frames(struct ieee80211_local *local)
{
- struct ieee80211_local *local = from_tasklet(local, t, tasklet);
struct sk_buff *skb;

while ((skb = skb_dequeue(&local->skb_queue)) ||
@@ -247,6 +247,13 @@ static void ieee80211_tasklet_handler(struct tasklet_struct *t)
}
}

+static void ieee80211_tasklet_handler(struct tasklet_struct *t)
+{
+ struct ieee80211_local *local = from_tasklet(local, t, tasklet);
+
+ ieee80211_handle_queued_frames(local);
+}
+
static void ieee80211_restart_work(struct work_struct *work)
{
struct ieee80211_local *local =
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6847fdf93439..6202157f467b 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1628,6 +1628,7 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
ifmsh->last_preq = jiffies;
ifmsh->next_perr = jiffies;
ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
+ ifmsh->nonpeer_pm = NL80211_MESH_POWER_ACTIVE;
/* Allocate all mesh structures when creating the first mesh interface. */
if (!mesh_allocated)
ieee80211s_init();
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index e692a2487eb5..3bf3dd4bafa5 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -729,15 +729,21 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
local->hw_scan_ies_bufsize *= n_bands;
}

- local->hw_scan_req = kmalloc(
- sizeof(*local->hw_scan_req) +
- req->n_channels * sizeof(req->channels[0]) +
- local->hw_scan_ies_bufsize, GFP_KERNEL);
+ local->hw_scan_req = kmalloc(struct_size(local->hw_scan_req,
+ req.channels,
+ req->n_channels) +
+ local->hw_scan_ies_bufsize,
+ GFP_KERNEL);
if (!local->hw_scan_req)
return -ENOMEM;

local->hw_scan_req->req.ssids = req->ssids;
local->hw_scan_req->req.n_ssids = req->n_ssids;
+ /* None of the channels are actually set
+ * up but let UBSAN know the boundaries.
+ */
+ local->hw_scan_req->req.n_channels = req->n_channels;
+
ies = (u8 *)local->hw_scan_req +
sizeof(*local->hw_scan_req) +
req->n_channels * sizeof(req->channels[0]);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 354badd32793..ef7b6d88ee00 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2146,6 +2146,10 @@ u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,

void ieee80211_stop_device(struct ieee80211_local *local)
{
+ local_bh_disable();
+ ieee80211_handle_queued_frames(local);
+ local_bh_enable();
+
ieee80211_led_radio(local, false);
ieee80211_mod_tpt_led_trig(local, 0, IEEE80211_TPT_LEDTRIG_FL_RADIO);

diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c
index c829e4a75325..7cea95d0b78f 100644
--- a/net/mac802154/tx.c
+++ b/net/mac802154/tx.c
@@ -34,8 +34,8 @@ void ieee802154_xmit_worker(struct work_struct *work)
if (res)
goto err_tx;

- dev->stats.tx_packets++;
- dev->stats.tx_bytes += skb->len;
+ DEV_STATS_INC(dev, tx_packets);
+ DEV_STATS_ADD(dev, tx_bytes, skb->len);

ieee802154_xmit_complete(&local->hw, skb, false);

@@ -86,8 +86,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb)
goto err_tx;
}

- dev->stats.tx_packets++;
- dev->stats.tx_bytes += len;
+ DEV_STATS_INC(dev, tx_packets);
+ DEV_STATS_ADD(dev, tx_bytes, len);
} else {
local->tx_skb = skb;
queue_work(local->workqueue, &local->tx_work);
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2898df10a72a..a444eb84d621 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2782,10 +2782,14 @@ int cfg80211_wext_siwscan(struct net_device *dev,
wiphy = &rdev->wiphy;

/* Determine number of channels, needed to allocate creq */
- if (wreq && wreq->num_channels)
+ if (wreq && wreq->num_channels) {
+ /* Passed from userspace so should be checked */
+ if (unlikely(wreq->num_channels > IW_MAX_FREQUENCIES))
+ return -EINVAL;
n_channels = wreq->num_channels;
- else
+ } else {
n_channels = ieee80211_get_num_supported_channels(wiphy);
+ }

creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
n_channels * sizeof(void *),
diff --git a/samples/Kconfig b/samples/Kconfig
index b0503ef058d3..56539b21f2c7 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -120,6 +120,15 @@ config SAMPLE_CONNECTOR
with it.
See also Documentation/driver-api/connector.rst

+config SAMPLE_FANOTIFY_ERROR
+ bool "Build fanotify error monitoring sample"
+ depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL
+ help
+ When enabled, this builds an example code that uses the
+ FAN_FS_ERROR fanotify mechanism to monitor filesystem
+ errors.
+ See also Documentation/admin-guide/filesystem-monitoring.rst.
+
config SAMPLE_HIDRAW
bool "hidraw sample"
depends on CC_CAN_LINK && HEADERS_INSTALL
diff --git a/samples/Makefile b/samples/Makefile
index 087e0988ccc5..931a81847c48 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -5,6 +5,7 @@ subdir-$(CONFIG_SAMPLE_AUXDISPLAY) += auxdisplay
subdir-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs
obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs/
obj-$(CONFIG_SAMPLE_CONNECTOR) += connector/
+obj-$(CONFIG_SAMPLE_FANOTIFY_ERROR) += fanotify/
subdir-$(CONFIG_SAMPLE_HIDRAW) += hidraw
obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += hw_breakpoint/
obj-$(CONFIG_SAMPLE_KDB) += kdb/
diff --git a/samples/fanotify/.gitignore b/samples/fanotify/.gitignore
new file mode 100644
index 000000000000..d74593e8b2de
--- /dev/null
+++ b/samples/fanotify/.gitignore
@@ -0,0 +1 @@
+fs-monitor
diff --git a/samples/fanotify/Makefile b/samples/fanotify/Makefile
new file mode 100644
index 000000000000..e20db1bdde3b
--- /dev/null
+++ b/samples/fanotify/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+userprogs-always-y += fs-monitor
+
+userccflags += -I usr/include -Wall
+
diff --git a/samples/fanotify/fs-monitor.c b/samples/fanotify/fs-monitor.c
new file mode 100644
index 000000000000..a0e44cd31e6f
--- /dev/null
+++ b/samples/fanotify/fs-monitor.c
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021, Collabora Ltd.
+ */
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <err.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/fanotify.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#ifndef FAN_FS_ERROR
+#define FAN_FS_ERROR 0x00008000
+#define FAN_EVENT_INFO_TYPE_ERROR 5
+
+struct fanotify_event_info_error {
+ struct fanotify_event_info_header hdr;
+ __s32 error;
+ __u32 error_count;
+};
+#endif
+
+#ifndef FILEID_INO32_GEN
+#define FILEID_INO32_GEN 1
+#endif
+
+#ifndef FILEID_INVALID
+#define FILEID_INVALID 0xff
+#endif
+
+static void print_fh(struct file_handle *fh)
+{
+ int i;
+ uint32_t *h = (uint32_t *) fh->f_handle;
+
+ printf("\tfh: ");
+ for (i = 0; i < fh->handle_bytes; i++)
+ printf("%hhx", fh->f_handle[i]);
+ printf("\n");
+
+ printf("\tdecoded fh: ");
+ if (fh->handle_type == FILEID_INO32_GEN)
+ printf("inode=%u gen=%u\n", h[0], h[1]);
+ else if (fh->handle_type == FILEID_INVALID && !fh->handle_bytes)
+ printf("Type %d (Superblock error)\n", fh->handle_type);
+ else
+ printf("Type %d (Unknown)\n", fh->handle_type);
+
+}
+
+static void handle_notifications(char *buffer, int len)
+{
+ struct fanotify_event_metadata *event =
+ (struct fanotify_event_metadata *) buffer;
+ struct fanotify_event_info_header *info;
+ struct fanotify_event_info_error *err;
+ struct fanotify_event_info_fid *fid;
+ int off;
+
+ for (; FAN_EVENT_OK(event, len); event = FAN_EVENT_NEXT(event, len)) {
+
+ if (event->mask != FAN_FS_ERROR) {
+ printf("unexpected FAN MARK: %llx\n", event->mask);
+ goto next_event;
+ }
+
+ if (event->fd != FAN_NOFD) {
+ printf("Unexpected fd (!= FAN_NOFD)\n");
+ goto next_event;
+ }
+
+ printf("FAN_FS_ERROR (len=%d)\n", event->event_len);
+
+ for (off = sizeof(*event) ; off < event->event_len;
+ off += info->len) {
+ info = (struct fanotify_event_info_header *)
+ ((char *) event + off);
+
+ switch (info->info_type) {
+ case FAN_EVENT_INFO_TYPE_ERROR:
+ err = (struct fanotify_event_info_error *) info;
+
+ printf("\tGeneric Error Record: len=%d\n",
+ err->hdr.len);
+ printf("\terror: %d\n", err->error);
+ printf("\terror_count: %d\n", err->error_count);
+ break;
+
+ case FAN_EVENT_INFO_TYPE_FID:
+ fid = (struct fanotify_event_info_fid *) info;
+
+ printf("\tfsid: %x%x\n",
+ fid->fsid.val[0], fid->fsid.val[1]);
+ print_fh((struct file_handle *) &fid->handle);
+ break;
+
+ default:
+ printf("\tUnknown info type=%d len=%d:\n",
+ info->info_type, info->len);
+ }
+ }
+next_event:
+ printf("---\n\n");
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int fd;
+
+ char buffer[BUFSIZ];
+
+ if (argc < 2) {
+ printf("Missing path argument\n");
+ return 1;
+ }
+
+ fd = fanotify_init(FAN_CLASS_NOTIF|FAN_REPORT_FID, O_RDONLY);
+ if (fd < 0)
+ errx(1, "fanotify_init");
+
+ if (fanotify_mark(fd, FAN_MARK_ADD|FAN_MARK_FILESYSTEM,
+ FAN_FS_ERROR, AT_FDCWD, argv[1])) {
+ errx(1, "fanotify_mark");
+ }
+
+ while (1) {
+ int n = read(fd, buffer, BUFSIZ);
+
+ if (n < 0)
+ errx(1, "read");
+
+ handle_notifications(buffer, n);
+ }
+
+ return 0;
+}
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 3f3c37bc14e8..cba144099345 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -570,4 +570,8 @@ static inline void debug_gimple_stmt(const_gimple s)
#define SET_DECL_MODE(decl, mode) DECL_MODE(decl) = (mode)
#endif

+#if BUILDING_GCC_VERSION >= 14000
+#define last_stmt(x) last_nondebug_stmt(x)
+#endif
+
#endif
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 81ebf8108ca7..81dfdf4470f7 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -396,35 +396,6 @@ static struct expr *expr_eliminate_yn(struct expr *e)
return e;
}

-/*
- * bool FOO!=n => FOO
- */
-struct expr *expr_trans_bool(struct expr *e)
-{
- if (!e)
- return NULL;
- switch (e->type) {
- case E_AND:
- case E_OR:
- case E_NOT:
- e->left.expr = expr_trans_bool(e->left.expr);
- e->right.expr = expr_trans_bool(e->right.expr);
- break;
- case E_UNEQUAL:
- // FOO!=n -> FOO
- if (e->left.sym->type == S_TRISTATE) {
- if (e->right.sym == &symbol_no) {
- e->type = E_SYMBOL;
- e->right.sym = NULL;
- }
- }
- break;
- default:
- ;
- }
- return e;
-}
-
/*
* e1 || e2 -> ?
*/
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 9c9caca5bd5f..c91060e19e47 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -296,7 +296,6 @@ void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
int expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(struct expr *e);
-struct expr *expr_trans_bool(struct expr *e);
struct expr *expr_eliminate_dups(struct expr *e);
struct expr *expr_transform(struct expr *e);
int expr_contains_symbol(struct expr *dep, struct symbol *sym);
diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c
index 17adabfd6e6b..5d1404178e48 100644
--- a/scripts/kconfig/gconf.c
+++ b/scripts/kconfig/gconf.c
@@ -1481,7 +1481,6 @@ int main(int ac, char *av[])

conf_parse(name);
fixup_rootmenu(&rootmenu);
- conf_read(NULL);

/* Load the interface and connect signals */
init_main_window(glade_file);
@@ -1489,6 +1488,8 @@ int main(int ac, char *av[])
init_left_tree();
init_right_tree();

+ conf_read(NULL);
+
switch (view_mode) {
case SINGLE_VIEW:
display_tree_part();
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 606ba8a63c24..8c53d9478be1 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -380,8 +380,6 @@ void menu_finalize(struct menu *parent)
dep = expr_transform(dep);
dep = expr_alloc_and(expr_copy(basedep), dep);
dep = expr_eliminate_dups(dep);
- if (menu->sym && menu->sym->type != S_TRISTATE)
- dep = expr_trans_bool(dep);
prop->visible.expr = dep;

/*
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 0fe93b423c4e..c57485f06a6b 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -344,6 +344,20 @@ int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan);

+int snd_dmaengine_pcm_sync_stop(struct snd_pcm_substream *substream)
+{
+ struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dma_tx_state state;
+ enum dma_status status;
+
+ status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+ if (status != DMA_PAUSED)
+ dmaengine_synchronize(prtd->dma_chan);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_sync_stop);
+
/**
* snd_dmaengine_pcm_close - Close a dmaengine based PCM substream
* @substream: PCM substream
@@ -351,6 +365,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_open_request_chan);
int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream)
{
struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dma_tx_state state;
+ enum dma_status status;
+
+ status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+ if (status == DMA_PAUSED)
+ dmaengine_terminate_async(prtd->dma_chan);

dmaengine_synchronize(prtd->dma_chan);
kfree(prtd);
@@ -369,6 +389,12 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_close);
int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream)
{
struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+ struct dma_tx_state state;
+ enum dma_status status;
+
+ status = dmaengine_tx_status(prtd->dma_chan, prtd->cookie, &state);
+ if (status == DMA_PAUSED)
+ dmaengine_terminate_async(prtd->dma_chan);

dmaengine_synchronize(prtd->dma_chan);
dma_release_channel(prtd->dma_chan);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 6e3772f2d6bc..18fda6eb2790 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -577,10 +577,14 @@ static void alc_shutup_pins(struct hda_codec *codec)
switch (codec->core.vendor_id) {
case 0x10ec0236:
case 0x10ec0256:
+ case 0x10ec0257:
case 0x19e58326:
case 0x10ec0283:
+ case 0x10ec0285:
case 0x10ec0286:
+ case 0x10ec0287:
case 0x10ec0288:
+ case 0x10ec0295:
case 0x10ec0298:
alc_headset_mic_no_shutup(codec);
break;
@@ -9157,6 +9161,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x87d3, "HP Laptop 15-gw0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87e7, "HP ProBook 450 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x87f1, "HP ProBook 630 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
@@ -9268,6 +9273,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC),
SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE),
SND_PCI_QUIRK(0x10ec, 0x118c, "Medion EE4254 MD62100", ALC256_FIXUP_MEDION_HEADSET_NO_PRESENCE),
+ SND_PCI_QUIRK(0x10ec, 0x119e, "Positivo SU C1400", ALC269_FIXUP_ASPIRE_HEADSET_MIC),
SND_PCI_QUIRK(0x10ec, 0x11bc, "VAIO VJFE-IL", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x10ec, 0x1230, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
SND_PCI_QUIRK(0x10ec, 0x124c, "Intel Reference board", ALC295_FIXUP_CHROME_BOOK),
@@ -9280,6 +9286,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x144d, 0xc189, "Samsung Galaxy Flex Book (NT950QCG-X716)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NP930XCJ-K01US)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x144d, 0xc1a3, "Samsung Galaxy Book Pro (NP935XDB-KC1SE)", ALC298_FIXUP_SAMSUNG_AMP),
+ SND_PCI_QUIRK(0x144d, 0xc1a4, "Samsung Galaxy Book Pro 360 (NT935QBD)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x144d, 0xc1a6, "Samsung Galaxy Book Pro 360 (NP930QBD)", ALC298_FIXUP_SAMSUNG_AMP),
SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8),
SND_PCI_QUIRK(0x144d, 0xc812, "Samsung Notebook Pen S (NT950SBE-X58)", ALC298_FIXUP_SAMSUNG_AMP),
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 434679afa7e1..3d2a0e8cad9a 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -607,6 +607,17 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
BYT_RT5640_SSP0_AIF1 |
BYT_RT5640_MCLK_EN),
},
+ {
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 CESIUM"),
+ },
+ .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+ BYT_RT5640_JD_NOT_INV |
+ BYT_RT5640_DIFF_MIC |
+ BYT_RT5640_SSP0_AIF1 |
+ BYT_RT5640_MCLK_EN),
+ },
{
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 4aa48c74f21a..fa1f91c34834 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -323,6 +323,12 @@ static int dmaengine_copy_user(struct snd_soc_component *component,
return 0;
}

+static int dmaengine_pcm_sync_stop(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ return snd_dmaengine_pcm_sync_stop(substream);
+}
+
static const struct snd_soc_component_driver dmaengine_pcm_component = {
.name = SND_DMAENGINE_PCM_DRV_NAME,
.probe_order = SND_SOC_COMP_ORDER_LATE,
@@ -332,6 +338,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component = {
.trigger = dmaengine_pcm_trigger,
.pointer = dmaengine_pcm_pointer,
.pcm_construct = dmaengine_pcm_new,
+ .sync_stop = dmaengine_pcm_sync_stop,
};

static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
@@ -344,6 +351,7 @@ static const struct snd_soc_component_driver dmaengine_pcm_component_process = {
.pointer = dmaengine_pcm_pointer,
.copy_user = dmaengine_copy_user,
.pcm_construct = dmaengine_pcm_new,
+ .sync_stop = dmaengine_pcm_sync_stop,
};

static const char * const dmaengine_pcm_dma_channel_names[] = {
diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
index 5b82329f4440..dbd30604816e 100644
--- a/sound/soc/ti/davinci-mcasp.c
+++ b/sound/soc/ti/davinci-mcasp.c
@@ -1472,10 +1472,11 @@ static int davinci_mcasp_hw_rule_min_periodsize(
{
struct snd_interval *period_size = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+ u8 numevt = *((u8 *)rule->private);
struct snd_interval frames;

snd_interval_any(&frames);
- frames.min = 64;
+ frames.min = numevt;
frames.integer = 1;

return snd_interval_refine(period_size, &frames);
@@ -1490,6 +1491,7 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
u32 max_channels = 0;
int i, dir, ret;
int tdm_slots = mcasp->tdm_slots;
+ u8 *numevt;

/* Do not allow more then one stream per direction */
if (mcasp->substreams[substream->stream])
@@ -1589,9 +1591,12 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
return ret;
}

+ numevt = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ &mcasp->txnumevt :
+ &mcasp->rxnumevt;
snd_pcm_hw_rule_add(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
- davinci_mcasp_hw_rule_min_periodsize, NULL,
+ davinci_mcasp_hw_rule_min_periodsize, numevt,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);

return 0;
diff --git a/sound/soc/ti/omap-hdmi.c b/sound/soc/ti/omap-hdmi.c
index 3328c02f93c7..1dfe439d1341 100644
--- a/sound/soc/ti/omap-hdmi.c
+++ b/sound/soc/ti/omap-hdmi.c
@@ -353,11 +353,7 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
if (!card)
return -ENOMEM;

- card->name = devm_kasprintf(dev, GFP_KERNEL,
- "HDMI %s", dev_name(ad->dssdev));
- if (!card->name)
- return -ENOMEM;
-
+ card->name = "HDMI";
card->owner = THIS_MODULE;
card->dai_link =
devm_kzalloc(dev, sizeof(*(card->dai_link)), GFP_KERNEL);
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 97f2c857048e..e0a7a9b1f6d6 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -38,6 +38,16 @@ union core_pstate {
unsigned res1:31;
unsigned en:1;
} pstatedef;
+ /* since fam 1Ah: */
+ struct {
+ unsigned fid:12;
+ unsigned res1:2;
+ unsigned vid:8;
+ unsigned iddval:8;
+ unsigned idddiv:2;
+ unsigned res2:31;
+ unsigned en:1;
+ } pstatedef2;
unsigned long long val;
};

@@ -45,6 +55,10 @@ static int get_did(union core_pstate pstate)
{
int t;

+ /* Fam 1Ah onward do not use did */
+ if (cpupower_cpu_info.family >= 0x1A)
+ return 0;
+
if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF)
t = pstate.pstatedef.did;
else if (cpupower_cpu_info.family == 0x12)
@@ -58,12 +72,18 @@ static int get_did(union core_pstate pstate)
static int get_cof(union core_pstate pstate)
{
int t;
- int fid, did, cof;
+ int fid, did, cof = 0;

did = get_did(pstate);
if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATEDEF) {
- fid = pstate.pstatedef.fid;
- cof = 200 * fid / did;
+ if (cpupower_cpu_info.family >= 0x1A) {
+ fid = pstate.pstatedef2.fid;
+ if (fid > 0x0f)
+ cof = (fid * 5);
+ } else {
+ fid = pstate.pstatedef.fid;
+ cof = 200 * fid / did;
+ }
} else {
t = 0x10;
fid = pstate.pstate.fid;
diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c
index 7fb902099de4..f9d2b0ec7756 100644
--- a/tools/testing/selftests/openat2/openat2_test.c
+++ b/tools/testing/selftests/openat2/openat2_test.c
@@ -5,6 +5,7 @@
*/

#define _GNU_SOURCE
+#define __SANE_USERSPACE_TYPES__ // Use ll64
#include <fcntl.h>
#include <sched.h>
#include <sys/stat.h>
diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
index 413f75620a35..4ae417372e9e 100644
--- a/tools/testing/selftests/vDSO/parse_vdso.c
+++ b/tools/testing/selftests/vDSO/parse_vdso.c
@@ -55,14 +55,20 @@ static struct vdso_info
ELF(Verdef) *verdef;
} vdso_info;

-/* Straight from the ELF specification. */
-static unsigned long elf_hash(const unsigned char *name)
+/*
+ * Straight from the ELF specification...and then tweaked slightly, in order to
+ * avoid a few clang warnings.
+ */
+static unsigned long elf_hash(const char *name)
{
unsigned long h = 0, g;
- while (*name)
+ const unsigned char *uch_name = (const unsigned char *)name;
+
+ while (*uch_name)
{
- h = (h << 4) + *name++;
- if (g = h & 0xf0000000)
+ h = (h << 4) + *uch_name++;
+ g = h & 0xf0000000;
+ if (g)
h ^= g >> 24;
h &= ~g;
}
diff --git a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
index 8a44ff973ee1..27f6fdf11969 100644
--- a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
+++ b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
@@ -18,7 +18,7 @@

#include "parse_vdso.h"

-/* We need a libc functions... */
+/* We need some libc functions... */
int strcmp(const char *a, const char *b)
{
/* This implementation is buggy: it never returns -1. */
@@ -34,6 +34,20 @@ int strcmp(const char *a, const char *b)
return 0;
}

+/*
+ * The clang build needs this, although gcc does not.
+ * Stolen from lib/string.c.
+ */
+void *memcpy(void *dest, const void *src, size_t count)
+{
+ char *tmp = dest;
+ const char *s = src;
+
+ while (count--)
+ *tmp++ = *s++;
+ return dest;
+}
+
/* ...and two syscalls. This is x86-specific. */
static inline long x86_syscall3(long nr, long a0, long a1, long a2)
{
@@ -70,7 +84,7 @@ void to_base10(char *lastdig, time_t n)
}
}

-__attribute__((externally_visible)) void c_main(void **stack)
+void c_main(void **stack)
{
/* Parse the stack */
long argc = (long)*stack;