diff --git a/Makefile b/Makefile
index e0680ae9db6b..1081b50f0932 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 170
+SUBLEVEL = 171
EXTRAVERSION =
NAME = Trick or Treat
diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c
index 90f8ce64fa6f..0b6064fec9e0 100644
--- a/arch/riscv/kernel/asm-offsets.c
+++ b/arch/riscv/kernel/asm-offsets.c
@@ -4,8 +4,6 @@
* Copyright (C) 2017 SiFive
*/
-#define GENERATING_ASM_OFFSETS
-
#include <linux/kbuild.h>
#include <linux/sched.h>
#include <asm/thread_info.h>
diff --git a/arch/riscv/kernel/cpu-hotplug.c b/arch/riscv/kernel/cpu-hotplug.c
index 66ddfba1cfbe..28a3fa6e67d7 100644
--- a/arch/riscv/kernel/cpu-hotplug.c
+++ b/arch/riscv/kernel/cpu-hotplug.c
@@ -71,7 +71,7 @@ void __cpu_die(unsigned int cpu)
if (cpu_ops[cpu]->cpu_is_stopped)
ret = cpu_ops[cpu]->cpu_is_stopped(cpu);
if (ret)
- pr_warn("CPU%d may not have stopped: %d\n", cpu, ret);
+ pr_warn("CPU%u may not have stopped: %d\n", cpu, ret);
}
/*
diff --git a/arch/riscv/kernel/efi-header.S b/arch/riscv/kernel/efi-header.S
index 8e733aa48ba6..c306f3a6a800 100644
--- a/arch/riscv/kernel/efi-header.S
+++ b/arch/riscv/kernel/efi-header.S
@@ -59,7 +59,7 @@ extra_header_fields:
.long efi_header_end - _start // SizeOfHeaders
.long 0 // CheckSum
.short IMAGE_SUBSYSTEM_EFI_APPLICATION // Subsystem
- .short 0 // DllCharacteristics
+ .short IMAGE_DLL_CHARACTERISTICS_NX_COMPAT // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index b246c3dc6993..d548d6992d98 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -131,8 +131,6 @@
#define REG_PTR(insn, pos, regs) \
(ulong *)((ulong)(regs) + REG_OFFSET(insn, pos))
-#define GET_RM(insn) (((insn) >> 12) & 7)
-
#define GET_RS1(insn, regs) (*REG_PTR(insn, SH_RS1, regs))
#define GET_RS2(insn, regs) (*REG_PTR(insn, SH_RS2, regs))
#define GET_RS1S(insn, regs) (*REG_PTR(RVC_RS1S(insn), 0, regs))
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index 06e6b27f3bcc..c1b68f962bad 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -18,6 +18,7 @@ obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o
ccflags-y := -fno-stack-protector
ccflags-y += -DDISABLE_BRANCH_PROFILING
+ccflags-y += -fno-builtin
ifneq ($(c-gettimeofday-y),)
CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y)
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index ed582fa98cb2..bdf22582a8c0 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -199,7 +199,16 @@
*/
.macro CLEAR_CPU_BUFFERS
ALTERNATIVE "jmp .Lskip_verw_\@", "", X86_FEATURE_CLEAR_CPU_BUF
- verw _ASM_RIP(mds_verw_sel)
+#ifdef CONFIG_X86_64
+ verw mds_verw_sel(%rip)
+#else
+ /*
+ * In 32bit mode, the memory operand must be a %cs reference. The data
+ * segments may not be usable (vm86 mode), and the stack segment may not
+ * be flat (ESPFIX32).
+ */
+ verw %cs:mds_verw_sel
+#endif
.Lskip_verw_\@:
.endm
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 8d14e6c70535..0e9ccedb08da 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -813,7 +813,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
/* Store CPU Logical ID */
cpc_ptr->cpu_id = pr->id;
- spin_lock_init(&cpc_ptr->rmw_lock);
+ raw_spin_lock_init(&cpc_ptr->rmw_lock);
/* Parse PSD data for this CPU */
ret = acpi_get_psd(cpc_ptr, handle);
@@ -1020,6 +1020,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu);
struct cpc_reg *reg = ®_res->cpc_entry.reg;
struct cpc_desc *cpc_desc;
+ unsigned long flags;
size = GET_BIT_WIDTH(reg);
@@ -1047,7 +1048,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
return -ENODEV;
}
- spin_lock(&cpc_desc->rmw_lock);
+ raw_spin_lock_irqsave(&cpc_desc->rmw_lock, flags);
switch (size) {
case 8:
prev_val = readb_relaxed(vaddr);
@@ -1062,7 +1063,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
prev_val = readq_relaxed(vaddr);
break;
default:
- spin_unlock(&cpc_desc->rmw_lock);
+ raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags);
return -EFAULT;
}
val = MASK_VAL_WRITE(reg, prev_val, val);
@@ -1095,7 +1096,7 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val)
}
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
- spin_unlock(&cpc_desc->rmw_lock);
+ raw_spin_unlock_irqrestore(&cpc_desc->rmw_lock, flags);
return ret_val;
}
diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c
index 09c0af8a46f0..63ead3f1d294 100644
--- a/drivers/acpi/prmt.c
+++ b/drivers/acpi/prmt.c
@@ -49,12 +49,11 @@ struct prm_context_buffer {
};
#pragma pack()
-
static LIST_HEAD(prm_module_list);
struct prm_handler_info {
guid_t guid;
- u64 handler_addr;
+ void *handler_addr;
u64 static_data_buffer_addr;
u64 acpi_param_buffer_addr;
@@ -73,22 +72,24 @@ struct prm_module_info {
struct prm_handler_info handlers[];
};
-
-static u64 efi_pa_va_lookup(u64 pa)
+static u64 efi_pa_va_lookup(efi_guid_t *guid, u64 pa)
{
efi_memory_desc_t *md;
u64 pa_offset = pa & ~PAGE_MASK;
u64 page = pa & PAGE_MASK;
for_each_efi_memory_desc(md) {
- if (md->phys_addr < pa && pa < md->phys_addr + PAGE_SIZE * md->num_pages)
+ if ((md->attribute & EFI_MEMORY_RUNTIME) &&
+ (md->phys_addr < pa && pa < md->phys_addr + PAGE_SIZE * md->num_pages)) {
return pa_offset + md->virt_addr + page - md->phys_addr;
+ }
}
+ pr_warn("Failed to find VA for GUID: %pUL, PA: 0x%llx", guid, pa);
+
return 0;
}
-
#define get_first_handler(a) ((struct acpi_prmt_handler_info *) ((char *) (a) + a->handler_info_offset))
#define get_next_handler(a) ((struct acpi_prmt_handler_info *) (sizeof(struct acpi_prmt_handler_info) + (char *) a))
@@ -139,9 +140,15 @@ acpi_parse_prmt(union acpi_subtable_headers *header, const unsigned long end)
th = &tm->handlers[cur_handler];
guid_copy(&th->guid, (guid_t *)handler_info->handler_guid);
- th->handler_addr = efi_pa_va_lookup(handler_info->handler_address);
- th->static_data_buffer_addr = efi_pa_va_lookup(handler_info->static_data_buffer_address);
- th->acpi_param_buffer_addr = efi_pa_va_lookup(handler_info->acpi_param_buffer_address);
+ th->handler_addr =
+ (void *)efi_pa_va_lookup(&th->guid, handler_info->handler_address);
+
+ th->static_data_buffer_addr =
+ efi_pa_va_lookup(&th->guid, handler_info->static_data_buffer_address);
+
+ th->acpi_param_buffer_addr =
+ efi_pa_va_lookup(&th->guid, handler_info->acpi_param_buffer_address);
+
} while (++cur_handler < tm->handler_count && (handler_info = get_next_handler(handler_info)));
return 0;
@@ -171,7 +178,6 @@ static void *find_guid_info(const guid_t *guid, u8 mode)
return NULL;
}
-
static struct prm_module_info *find_prm_module(const guid_t *guid)
{
return (struct prm_module_info *)find_guid_info(guid, GET_MODULE);
@@ -236,6 +242,13 @@ static acpi_status acpi_platformrt_space_handler(u32 function,
if (!handler || !module)
goto invalid_guid;
+ if (!handler->handler_addr ||
+ !handler->static_data_buffer_addr ||
+ !handler->acpi_param_buffer_addr) {
+ buffer->prm_status = PRM_HANDLER_ERROR;
+ return AE_OK;
+ }
+
ACPI_COPY_NAMESEG(context.signature, "PRMC");
context.revision = 0x0;
context.reserved = 0x0;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 81572c081333..d995d768c362 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -25,7 +25,6 @@
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
#include <linux/netdevice.h>
-#include <linux/rcupdate.h>
#include <linux/sched/signal.h>
#include <linux/sched/mm.h>
#include <linux/swiotlb.h>
@@ -2306,7 +2305,6 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
struct kobj_uevent_env *env)
{
struct device *dev = kobj_to_dev(kobj);
- struct device_driver *driver;
int retval = 0;
/* add device node properties if present */
@@ -2335,12 +2333,8 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
if (dev->type && dev->type->name)
add_uevent_var(env, "DEVTYPE=%s", dev->type->name);
- /* Synchronize with module_remove_driver() */
- rcu_read_lock();
- driver = READ_ONCE(dev->driver);
- if (driver)
- add_uevent_var(env, "DRIVER=%s", driver->name);
- rcu_read_unlock();
+ if (dev->driver)
+ add_uevent_var(env, "DRIVER=%s", dev->driver->name);
/* Add common DT information about the device */
of_device_uevent(dev, env);
@@ -2410,8 +2404,11 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr,
if (!env)
return -ENOMEM;
+ /* Synchronize with really_probe() */
+ device_lock(dev);
/* let the kset specific function add its keys */
retval = kset->uevent_ops->uevent(kset, &dev->kobj, env);
+ device_unlock(dev);
if (retval)
goto out;
diff --git a/drivers/base/module.c b/drivers/base/module.c
index 851cc5367c04..46ad4d636731 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -7,7 +7,6 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/rcupdate.h>
#include "base.h"
static char *make_driver_name(struct device_driver *drv)
@@ -78,9 +77,6 @@ void module_remove_driver(struct device_driver *drv)
if (!drv)
return;
- /* Synchronize with dev_uevent() */
- synchronize_rcu();
-
sysfs_remove_link(&drv->p->kobj, "module");
if (drv->owner)
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 285fe7ad490d..3e8051fe8296 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -763,7 +763,7 @@ static int sdei_device_freeze(struct device *dev)
int err;
/* unregister private events */
- cpuhp_remove_state(sdei_entry_point);
+ cpuhp_remove_state(sdei_hp_state);
err = sdei_unregister_shared();
if (err)
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 24606b632009..468a3a7cb6a5 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -221,7 +221,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host,
return dsi;
}
- device_set_node(&dsi->dev, of_fwnode_handle(info->node));
+ dsi->dev.of_node = info->node;
dsi->channel = info->channel;
strlcpy(dsi->name, info->type, sizeof(dsi->name));
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 0eb4a0739fa2..0a7c4548b77f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1436,6 +1436,10 @@ void i915_gem_init__contexts(struct drm_i915_private *i915)
init_contexts(&i915->gem.contexts);
}
+/*
+ * Note that this implicitly consumes the ctx reference, by placing
+ * the ctx in the context_xa.
+ */
static void gem_context_register(struct i915_gem_context *ctx,
struct drm_i915_file_private *fpriv,
u32 id)
@@ -1449,13 +1453,13 @@ static void gem_context_register(struct i915_gem_context *ctx,
snprintf(ctx->name, sizeof(ctx->name), "%s[%d]",
current->comm, pid_nr(ctx->pid));
- /* And finally expose ourselves to userspace via the idr */
- old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL);
- WARN_ON(old);
-
spin_lock(&i915->gem.contexts.lock);
list_add_tail(&ctx->link, &i915->gem.contexts.list);
spin_unlock(&i915->gem.contexts.lock);
+
+ /* And finally expose ourselves to userspace via the idr */
+ old = xa_store(&fpriv->context_xa, id, ctx, GFP_KERNEL);
+ WARN_ON(old);
}
int i915_gem_context_open(struct drm_i915_private *i915,
@@ -1932,14 +1936,22 @@ finalize_create_context_locked(struct drm_i915_file_private *file_priv,
if (IS_ERR(ctx))
return ctx;
+ /*
+ * One for the xarray and one for the caller. We need to grab
+ * the reference *prior* to making the ctx visble to userspace
+ * in gem_context_register(), as at any point after that
+ * userspace can try to race us with another thread destroying
+ * the context under our feet.
+ */
+ i915_gem_context_get(ctx);
+
gem_context_register(ctx, file_priv, id);
old = xa_erase(&file_priv->proto_context_xa, id);
GEM_BUG_ON(old != pc);
proto_context_close(pc);
- /* One for the xarray and one for the caller */
- return i915_gem_context_get(ctx);
+ return ctx;
}
struct i915_gem_context *
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 471e1311e007..06a541fa3cfe 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -596,7 +596,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev,
switch (info) {
case IIO_CHAN_INFO_SAMP_FREQ:
- if (val2 != 0) {
+ if (val2 != 0 || val == 0) {
ret = -EINVAL;
break;
}
diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c
index 9b9697d67850..1b895bad8148 100644
--- a/drivers/iio/light/veml6030.c
+++ b/drivers/iio/light/veml6030.c
@@ -522,7 +522,7 @@ static int veml6030_read_raw(struct iio_dev *indio_dev,
}
if (mask == IIO_CHAN_INFO_PROCESSED) {
*val = (reg * data->cur_resolution) / 10000;
- *val2 = (reg * data->cur_resolution) % 10000;
+ *val2 = (reg * data->cur_resolution) % 10000 * 100;
return IIO_VAL_INT_PLUS_MICRO;
}
*val = reg;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index f1aa3e19b6de..dea70db9ee97 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -1494,9 +1494,11 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res,
u32 tbl_indx;
int rc;
+ spin_lock_bh(&rcfw->tbl_lock);
tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw);
rcfw->qp_tbl[tbl_indx].qp_id = BNXT_QPLIB_QP_ID_INVALID;
rcfw->qp_tbl[tbl_indx].qp_handle = NULL;
+ spin_unlock_bh(&rcfw->tbl_lock);
RCFW_CMD_PREP(req, DESTROY_QP, cmd_flags);
@@ -1504,8 +1506,10 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res,
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
(void *)&resp, NULL, 0);
if (rc) {
+ spin_lock_bh(&rcfw->tbl_lock);
rcfw->qp_tbl[tbl_indx].qp_id = qp->id;
rcfw->qp_tbl[tbl_indx].qp_handle = qp;
+ spin_unlock_bh(&rcfw->tbl_lock);
return rc;
}
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 8d5557e3056c..2394dcc0338c 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -320,17 +320,21 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
err_event = (struct creq_qp_error_notification *)qp_event;
qp_id = le32_to_cpu(err_event->xid);
+ spin_lock(&rcfw->tbl_lock);
tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw);
qp = rcfw->qp_tbl[tbl_indx].qp_handle;
+ if (!qp) {
+ spin_unlock(&rcfw->tbl_lock);
+ break;
+ }
+ bnxt_qplib_mark_qp_error(qp);
+ rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp);
+ spin_unlock(&rcfw->tbl_lock);
dev_dbg(&pdev->dev, "Received QP error notification\n");
dev_dbg(&pdev->dev,
"qpid 0x%x, req_err=0x%x, resp_err=0x%x\n",
qp_id, err_event->req_err_state_reason,
err_event->res_err_state_reason);
- if (!qp)
- break;
- bnxt_qplib_mark_qp_error(qp);
- rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp);
break;
default:
/*
@@ -631,6 +635,7 @@ int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res,
GFP_KERNEL);
if (!rcfw->qp_tbl)
goto fail;
+ spin_lock_init(&rcfw->tbl_lock);
return 0;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index 2acdec55a667..aaf06cd939e6 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -186,6 +186,8 @@ struct bnxt_qplib_rcfw {
struct bnxt_qplib_crsqe *crsqe_tbl;
int qp_tbl_size;
struct bnxt_qplib_qp_node *qp_tbl;
+ /* To synchronize the qp-handle hash table */
+ spinlock_t tbl_lock;
u64 oos_prev;
u32 init_oos_stats;
u32 cmdq_depth;
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index e7337662aff8..8cbbef770086 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -469,6 +469,7 @@ static const struct ib_device_ops c4iw_dev_ops = {
.fill_res_cq_entry = c4iw_fill_res_cq_entry,
.fill_res_cm_id_entry = c4iw_fill_res_cm_id_entry,
.fill_res_mr_entry = c4iw_fill_res_mr_entry,
+ .fill_res_qp_entry = c4iw_fill_res_qp_entry,
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = c4iw_get_dma_mr,
.get_hw_stats = c4iw_get_mib,
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index d4b5ce37c2cb..d2b4db783b25 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -4182,14 +4182,14 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt);
if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic)
- MLX5_SET(qpc, qpc, log_sra_max, ilog2(attr->max_rd_atomic));
+ MLX5_SET(qpc, qpc, log_sra_max, fls(attr->max_rd_atomic - 1));
if (attr_mask & IB_QP_SQ_PSN)
MLX5_SET(qpc, qpc, next_send_psn, attr->sq_psn);
if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic)
MLX5_SET(qpc, qpc, log_rra_max,
- ilog2(attr->max_dest_rd_atomic));
+ fls(attr->max_dest_rd_atomic - 1));
if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) {
err = set_qpc_atomic_flags(qp, attr, attr_mask, qpc);
diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c
index 0ea923fe6371..e2bdba474293 100644
--- a/drivers/misc/sgi-gru/grukservices.c
+++ b/drivers/misc/sgi-gru/grukservices.c
@@ -258,7 +258,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr)
int lcpu;
BUG_ON(dsr_bytes > GRU_NUM_KERNEL_DSR_BYTES);
- preempt_disable();
bs = gru_lock_kernel_context(-1);
lcpu = uv_blade_processor_id();
*cb = bs->kernel_cb + lcpu * GRU_HANDLE_STRIDE;
@@ -272,7 +271,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr)
static void gru_free_cpu_resources(void *cb, void *dsr)
{
gru_unlock_kernel_context(uv_numa_blade_id());
- preempt_enable();
}
/*
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c
index 3a16eb8e03f7..9b8bdd57ec85 100644
--- a/drivers/misc/sgi-gru/grumain.c
+++ b/drivers/misc/sgi-gru/grumain.c
@@ -941,10 +941,8 @@ vm_fault_t gru_fault(struct vm_fault *vmf)
again:
mutex_lock(>s->ts_ctxlock);
- preempt_disable();
if (gru_check_context_placement(gts)) {
- preempt_enable();
mutex_unlock(>s->ts_ctxlock);
gru_unload_context(gts, 1);
return VM_FAULT_NOPAGE;
@@ -953,7 +951,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf)
if (!gts->ts_gru) {
STAT(load_user_context);
if (!gru_assign_gru_context(gts)) {
- preempt_enable();
mutex_unlock(>s->ts_ctxlock);
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(GRU_ASSIGN_DELAY); /* true hack ZZZ */
@@ -969,7 +966,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf)
vma->vm_page_prot);
}
- preempt_enable();
mutex_unlock(>s->ts_ctxlock);
return VM_FAULT_NOPAGE;
diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c
index 10921cd2608d..1107dd3e2e9f 100644
--- a/drivers/misc/sgi-gru/grutlbpurge.c
+++ b/drivers/misc/sgi-gru/grutlbpurge.c
@@ -65,7 +65,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state
struct gru_tlb_global_handle *tgh;
int n;
- preempt_disable();
if (uv_numa_blade_id() == gru->gs_blade_id)
n = get_on_blade_tgh(gru);
else
@@ -79,7 +78,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state
static void get_unlock_tgh_handle(struct gru_tlb_global_handle *tgh)
{
unlock_tgh_handle(tgh);
- preempt_enable();
}
/*
diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c
index da97fccea9ea..769355824b7e 100644
--- a/drivers/net/ethernet/amd/mvme147.c
+++ b/drivers/net/ethernet/amd/mvme147.c
@@ -103,10 +103,6 @@ static struct net_device * __init mvme147lance_probe(void)
address = address >> 8;
dev->dev_addr[3] = address&0xff;
- printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n",
- dev->name, dev->base_addr, MVME147_LANCE_IRQ,
- dev->dev_addr);
-
lp = netdev_priv(dev);
lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 32K */
if (!lp->ram) {
@@ -136,6 +132,9 @@ static struct net_device * __init mvme147lance_probe(void)
return ERR_PTR(err);
}
+ netdev_info(dev, "MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n",
+ dev->base_addr, MVME147_LANCE_IRQ, dev->dev_addr);
+
return dev;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b62d153f1676..4a194f30f4a8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4110,11 +4110,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
if (dma_mapping_error(priv->device, des))
goto dma_map_err;
- tx_q->tx_skbuff_dma[first_entry].buf = des;
- tx_q->tx_skbuff_dma[first_entry].len = skb_headlen(skb);
- tx_q->tx_skbuff_dma[first_entry].map_as_page = false;
- tx_q->tx_skbuff_dma[first_entry].buf_type = STMMAC_TXBUF_T_SKB;
-
if (priv->dma_cap.addr64 <= 32) {
first->des0 = cpu_to_le32(des);
@@ -4133,6 +4128,23 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue);
+ /* In case two or more DMA transmit descriptors are allocated for this
+ * non-paged SKB data, the DMA buffer address should be saved to
+ * tx_q->tx_skbuff_dma[].buf corresponding to the last descriptor,
+ * and leave the other tx_q->tx_skbuff_dma[].buf as NULL to guarantee
+ * that stmmac_tx_clean() does not unmap the entire DMA buffer too early
+ * since the tail areas of the DMA buffer can be accessed by DMA engine
+ * sooner or later.
+ * By saving the DMA buffer address to tx_q->tx_skbuff_dma[].buf
+ * corresponding to the last descriptor, stmmac_tx_clean() will unmap
+ * this DMA buffer right after the DMA engine completely finishes the
+ * full buffer transmission.
+ */
+ tx_q->tx_skbuff_dma[tx_q->cur_tx].buf = des;
+ tx_q->tx_skbuff_dma[tx_q->cur_tx].len = skb_headlen(skb);
+ tx_q->tx_skbuff_dma[tx_q->cur_tx].map_as_page = false;
+ tx_q->tx_skbuff_dma[tx_q->cur_tx].buf_type = STMMAC_TXBUF_T_SKB;
+
/* Prepare fragments */
for (i = 0; i < nfrags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 40c94df382e5..2509d7bccb2b 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -858,20 +858,24 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[])
unsigned int role = GTP_ROLE_GGSN;
if (data[IFLA_GTP_FD0]) {
- u32 fd0 = nla_get_u32(data[IFLA_GTP_FD0]);
+ int fd0 = nla_get_u32(data[IFLA_GTP_FD0]);
- sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp);
- if (IS_ERR(sk0))
- return PTR_ERR(sk0);
+ if (fd0 >= 0) {
+ sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp);
+ if (IS_ERR(sk0))
+ return PTR_ERR(sk0);
+ }
}
if (data[IFLA_GTP_FD1]) {
- u32 fd1 = nla_get_u32(data[IFLA_GTP_FD1]);
+ int fd1 = nla_get_u32(data[IFLA_GTP_FD1]);
- sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp);
- if (IS_ERR(sk1u)) {
- gtp_encap_disable_sock(sk0);
- return PTR_ERR(sk1u);
+ if (fd1 >= 0) {
+ sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp);
+ if (IS_ERR(sk1u)) {
+ gtp_encap_disable_sock(sk0);
+ return PTR_ERR(sk1u);
+ }
}
}
diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c
index 14787d17f703..b71414b3a1d4 100644
--- a/drivers/net/netdevsim/fib.c
+++ b/drivers/net/netdevsim/fib.c
@@ -1366,10 +1366,12 @@ static ssize_t nsim_nexthop_bucket_activity_write(struct file *file,
if (pos != 0)
return -EINVAL;
- if (size > sizeof(buf))
+ if (size > sizeof(buf) - 1)
return -EINVAL;
if (copy_from_user(buf, user_buf, size))
return -EFAULT;
+ buf[size] = 0;
+
if (sscanf(buf, "%u %hu", &nhid, &bucket_index) != 2)
return -EINVAL;
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index d5dafbecc184..117616ac6b2f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -3035,9 +3035,14 @@ ath10k_wmi_tlv_op_cleanup_mgmt_tx_send(struct ath10k *ar,
struct sk_buff *msdu)
{
struct ath10k_skb_cb *cb = ATH10K_SKB_CB(msdu);
+ struct ath10k_mgmt_tx_pkt_addr *pkt_addr;
struct ath10k_wmi *wmi = &ar->wmi;
- idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id);
+ spin_lock_bh(&ar->data_lock);
+ pkt_addr = idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id);
+ spin_unlock_bh(&ar->data_lock);
+
+ kfree(pkt_addr);
return 0;
}
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index c8ccea542fec..572aabc0541c 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -2440,6 +2440,7 @@ wmi_process_mgmt_tx_comp(struct ath10k *ar, struct mgmt_tx_compl_params *param)
dma_unmap_single(ar->dev, pkt_addr->paddr,
msdu->len, DMA_TO_DEVICE);
info = IEEE80211_SKB_CB(msdu);
+ kfree(pkt_addr);
if (param->status) {
info->flags &= ~IEEE80211_TX_STAT_ACK;
@@ -9581,6 +9582,7 @@ static int ath10k_wmi_mgmt_tx_clean_up_pending(int msdu_id, void *ptr,
dma_unmap_single(ar->dev, pkt_addr->paddr,
msdu->len, DMA_TO_DEVICE);
ieee80211_free_txskb(ar->hw, msdu);
+ kfree(pkt_addr);
return 0;
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/Kconfig b/drivers/net/wireless/broadcom/brcm80211/Kconfig
index 5bf2318763c5..8f51099e15c9 100644
--- a/drivers/net/wireless/broadcom/brcm80211/Kconfig
+++ b/drivers/net/wireless/broadcom/brcm80211/Kconfig
@@ -23,6 +23,7 @@ source "drivers/net/wireless/broadcom/brcm80211/brcmfmac/Kconfig"
config BRCM_TRACING
bool "Broadcom device tracing"
depends on BRCMSMAC || BRCMFMAC
+ depends on TRACING
help
If you say Y here, the Broadcom wireless drivers will register
with ftrace to dump event information into the trace ringbuffer.
diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c
index 83c1ff0d660f..8c6c153c455b 100644
--- a/drivers/net/wireless/intel/iwlegacy/common.c
+++ b/drivers/net/wireless/intel/iwlegacy/common.c
@@ -4960,6 +4960,8 @@ il_pci_resume(struct device *device)
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
+ _il_wr(il, CSR_INT, 0xffffffff);
+ _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff);
il_enable_interrupts(il);
if (!(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 578956032e08..3009fff9086f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -1272,11 +1272,18 @@ void iwl_mvm_get_acpi_tables(struct iwl_mvm *mvm)
}
#endif /* CONFIG_ACPI */
+static void iwl_mvm_disconnect_iterator(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ if (vif->type == NL80211_IFTYPE_STATION)
+ ieee80211_hw_restart_disconnect(vif);
+}
+
void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
{
u32 error_log_size = mvm->fw->ucode_capa.error_log_size;
+ u32 status = 0;
int ret;
- u32 resp;
struct iwl_fw_error_recovery_cmd recovery_cmd = {
.flags = cpu_to_le32(flags),
@@ -1284,7 +1291,6 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
};
struct iwl_host_cmd host_cmd = {
.id = WIDE_ID(SYSTEM_GROUP, FW_ERROR_RECOVERY_CMD),
- .flags = CMD_WANT_SKB,
.data = {&recovery_cmd, },
.len = {sizeof(recovery_cmd), },
};
@@ -1304,7 +1310,7 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
recovery_cmd.buf_size = cpu_to_le32(error_log_size);
}
- ret = iwl_mvm_send_cmd(mvm, &host_cmd);
+ ret = iwl_mvm_send_cmd_status(mvm, &host_cmd, &status);
kfree(mvm->error_recovery_buf);
mvm->error_recovery_buf = NULL;
@@ -1315,11 +1321,15 @@ void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
/* skb respond is only relevant in ERROR_RECOVERY_UPDATE_DB */
if (flags & ERROR_RECOVERY_UPDATE_DB) {
- resp = le32_to_cpu(*(__le32 *)host_cmd.resp_pkt->data);
- if (resp)
+ if (status) {
IWL_ERR(mvm,
"Failed to send recovery cmd blob was invalid %d\n",
- resp);
+ status);
+
+ ieee80211_iterate_interfaces(mvm->hw, 0,
+ iwl_mvm_disconnect_iterator,
+ mvm);
+ }
}
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index aa6ef6491205..16818dcdae22 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -1753,7 +1753,8 @@ iwl_mvm_umac_scan_cfg_channels_v6_6g(struct iwl_mvm_scan_params *params,
&cp->channel_config[i];
u32 s_ssid_bitmap = 0, bssid_bitmap = 0, flags = 0;
- u8 j, k, s_max = 0, b_max = 0, n_used_bssid_entries;
+ u8 k, s_max = 0, b_max = 0, n_used_bssid_entries;
+ u32 j;
bool force_passive, found = false, allow_passive = true,
unsolicited_probe_on_chan = false, psc_no_listen = false;
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index a2524106206d..fbe2036ca619 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1250,7 +1250,7 @@ static ssize_t fc_rport_set_marginal_state(struct device *dev,
*/
if (rport->port_state == FC_PORTSTATE_ONLINE)
rport->port_state = port_state;
- else
+ else if (port_state != rport->port_state)
return -EINVAL;
} else if (port_state == FC_PORTSTATE_ONLINE) {
/*
@@ -1260,7 +1260,7 @@ static ssize_t fc_rport_set_marginal_state(struct device *dev,
*/
if (rport->port_state == FC_PORTSTATE_MARGINAL)
rport->port_state = port_state;
- else
+ else if (port_state != rport->port_state)
return -EINVAL;
} else
return -EINVAL;
diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c
index 3f1981e287f5..60f4f57aab57 100644
--- a/drivers/staging/iio/frequency/ad9832.c
+++ b/drivers/staging/iio/frequency/ad9832.c
@@ -129,12 +129,15 @@ static unsigned long ad9832_calc_freqreg(unsigned long mclk, unsigned long fout)
static int ad9832_write_frequency(struct ad9832_state *st,
unsigned int addr, unsigned long fout)
{
+ unsigned long clk_freq;
unsigned long regval;
- if (fout > (clk_get_rate(st->mclk) / 2))
+ clk_freq = clk_get_rate(st->mclk);
+
+ if (!clk_freq || fout > (clk_freq / 2))
return -EINVAL;
- regval = ad9832_calc_freqreg(clk_get_rate(st->mclk), fout);
+ regval = ad9832_calc_freqreg(clk_freq, fout);
st->freq_data[0] = cpu_to_be16((AD9832_CMD_FRE8BITSW << CMD_SHIFT) |
(addr << ADD_SHIFT) |
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 3dc2124bd02a..bd125ea5c51f 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4594,7 +4594,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
int c;
if (op->data) {
- font.data = kmalloc(max_font_size, GFP_KERNEL);
+ font.data = kzalloc(max_font_size, GFP_KERNEL);
if (!font.data)
return -ENOMEM;
} else
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 3332b31a1354..d358d30569e5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -527,7 +527,7 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
pm_runtime_put_noidle(&dev->dev);
if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0)
- pm_runtime_forbid(&dev->dev);
+ pm_runtime_get(&dev->dev);
else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
pm_runtime_allow(&dev->dev);
@@ -554,7 +554,9 @@ static void xhci_pci_remove(struct pci_dev *dev)
xhci->xhc_state |= XHCI_STATE_REMOVING;
- if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
+ if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0)
+ pm_runtime_put(&dev->dev);
+ else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
pm_runtime_forbid(&dev->dev);
if (xhci->shared_hcd) {
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 15ffa16ba447..ad045eecc658 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1769,6 +1769,14 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
trace_xhci_handle_command(xhci->cmd_ring, &cmd_trb->generic);
+ cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status));
+
+ /* If CMD ring stopped we own the trbs between enqueue and dequeue */
+ if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) {
+ complete_all(&xhci->cmd_ring_stop_completion);
+ return;
+ }
+
cmd_dequeue_dma = xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg,
cmd_trb);
/*
@@ -1785,14 +1793,6 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
cancel_delayed_work(&xhci->cmd_timer);
- cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status));
-
- /* If CMD ring stopped we own the trbs between enqueue and dequeue */
- if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) {
- complete_all(&xhci->cmd_ring_stop_completion);
- return;
- }
-
if (cmd->command_trb != xhci->cmd_ring->dequeue) {
xhci_err(xhci,
"Command completion event does not match command\n");
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 1b24492bb4e5..da2546b17bec 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -628,7 +628,7 @@ void devm_usb_put_phy(struct device *dev, struct usb_phy *phy)
{
int r;
- r = devres_destroy(dev, devm_usb_phy_release, devm_usb_phy_match, phy);
+ r = devres_release(dev, devm_usb_phy_release, devm_usb_phy_match, phy);
dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");
}
EXPORT_SYMBOL_GPL(devm_usb_put_phy);
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index af75911899f5..7c6f0de5cd97 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -2026,6 +2026,7 @@ void typec_port_register_altmodes(struct typec_port *port,
altmodes[index] = alt;
index++;
}
+ fwnode_handle_put(altmodes_node);
}
EXPORT_SYMBOL_GPL(typec_port_register_altmodes);
diff --git a/fs/ksmbd/mgmt/user_session.c b/fs/ksmbd/mgmt/user_session.c
index 15f68ee05089..844db95e6651 100644
--- a/fs/ksmbd/mgmt/user_session.c
+++ b/fs/ksmbd/mgmt/user_session.c
@@ -176,9 +176,10 @@ static void ksmbd_expire_session(struct ksmbd_conn *conn)
down_write(&conn->session_lock);
xa_for_each(&conn->sessions, id, sess) {
- if (sess->state != SMB2_SESSION_VALID ||
- time_after(jiffies,
- sess->last_active + SMB2_SESSION_TIMEOUT)) {
+ if (atomic_read(&sess->refcnt) == 0 &&
+ (sess->state != SMB2_SESSION_VALID ||
+ time_after(jiffies,
+ sess->last_active + SMB2_SESSION_TIMEOUT))) {
xa_erase(&conn->sessions, sess->id);
hash_del(&sess->hlist);
ksmbd_session_destroy(sess);
@@ -268,8 +269,6 @@ struct ksmbd_session *ksmbd_session_lookup_slowpath(unsigned long long id)
down_read(&sessions_table_lock);
sess = __session_lookup(id);
- if (sess)
- sess->last_active = jiffies;
up_read(&sessions_table_lock);
return sess;
@@ -288,6 +287,22 @@ struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
return sess;
}
+void ksmbd_user_session_get(struct ksmbd_session *sess)
+{
+ atomic_inc(&sess->refcnt);
+}
+
+void ksmbd_user_session_put(struct ksmbd_session *sess)
+{
+ if (!sess)
+ return;
+
+ if (atomic_read(&sess->refcnt) <= 0)
+ WARN_ON(1);
+ else
+ atomic_dec(&sess->refcnt);
+}
+
struct preauth_session *ksmbd_preauth_session_alloc(struct ksmbd_conn *conn,
u64 sess_id)
{
@@ -356,6 +371,7 @@ static struct ksmbd_session *__session_create(int protocol)
xa_init(&sess->rpc_handle_list);
sess->sequence_number = 1;
rwlock_init(&sess->tree_conns_lock);
+ atomic_set(&sess->refcnt, 1);
ret = __init_smb2_session(sess);
if (ret)
diff --git a/fs/ksmbd/mgmt/user_session.h b/fs/ksmbd/mgmt/user_session.h
index 63cb08fffde8..ce91b1d698e7 100644
--- a/fs/ksmbd/mgmt/user_session.h
+++ b/fs/ksmbd/mgmt/user_session.h
@@ -61,6 +61,8 @@ struct ksmbd_session {
struct ksmbd_file_table file_table;
unsigned long last_active;
rwlock_t tree_conns_lock;
+
+ atomic_t refcnt;
};
static inline int test_session_flag(struct ksmbd_session *sess, int bit)
@@ -101,4 +103,6 @@ void ksmbd_release_tree_conn_id(struct ksmbd_session *sess, int id);
int ksmbd_session_rpc_open(struct ksmbd_session *sess, char *rpc_name);
void ksmbd_session_rpc_close(struct ksmbd_session *sess, int id);
int ksmbd_session_rpc_method(struct ksmbd_session *sess, int id);
+void ksmbd_user_session_get(struct ksmbd_session *sess);
+void ksmbd_user_session_put(struct ksmbd_session *sess);
#endif /* __USER_SESSION_MANAGEMENT_H__ */
diff --git a/fs/ksmbd/server.c b/fs/ksmbd/server.c
index 63b01f7d9703..09ebcf39d5bc 100644
--- a/fs/ksmbd/server.c
+++ b/fs/ksmbd/server.c
@@ -238,6 +238,8 @@ static void __handle_ksmbd_work(struct ksmbd_work *work,
} while (is_chained == true);
send:
+ if (work->sess)
+ ksmbd_user_session_put(work->sess);
if (work->tcon)
ksmbd_tree_connect_put(work->tcon);
smb3_preauth_hash_rsp(work);
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 089dc2f51229..54f7cf7a98b2 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -606,8 +606,10 @@ int smb2_check_user_session(struct ksmbd_work *work)
/* Check for validity of user session */
work->sess = ksmbd_session_lookup_all(conn, sess_id);
- if (work->sess)
+ if (work->sess) {
+ ksmbd_user_session_get(work->sess);
return 1;
+ }
ksmbd_debug(SMB, "Invalid user session, Uid %llu\n", sess_id);
return -ENOENT;
}
@@ -1761,6 +1763,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
}
conn->binding = true;
+ ksmbd_user_session_get(sess);
} else if ((conn->dialect < SMB30_PROT_ID ||
server_conf.flags & KSMBD_GLOBAL_FLAG_SMB3_MULTICHANNEL) &&
(req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {
@@ -1787,6 +1790,7 @@ int smb2_sess_setup(struct ksmbd_work *work)
}
conn->binding = false;
+ ksmbd_user_session_get(sess);
}
work->sess = sess;
@@ -2235,7 +2239,9 @@ int smb2_session_logoff(struct ksmbd_work *work)
}
ksmbd_destroy_file_table(&sess->file_table);
+ down_write(&conn->session_lock);
sess->state = SMB2_SESSION_EXPIRED;
+ up_write(&conn->session_lock);
ksmbd_free_user(sess->user);
sess->user = NULL;
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 8124d4f8b29a..ac79ef0d43a7 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -981,6 +981,11 @@ void nfs_delegation_mark_returned(struct inode *inode,
}
nfs_mark_delegation_revoked(delegation);
+ clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags);
+ spin_unlock(&delegation->lock);
+ if (nfs_detach_delegation(NFS_I(inode), delegation, NFS_SERVER(inode)))
+ nfs_put_delegation(delegation);
+ goto out_rcu_unlock;
out_clear_returning:
clear_bit(NFS_DELEGATION_RETURNING, &delegation->flags);
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index af3a74bd0fbd..e7596701f14f 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -157,6 +157,9 @@ static int nilfs_symlink(struct user_namespace *mnt_userns, struct inode *dir,
/* slow symlink */
inode->i_op = &nilfs_symlink_inode_operations;
inode_nohighmem(inode);
+ mapping_set_gfp_mask(inode->i_mapping,
+ mapping_gfp_constraint(inode->i_mapping,
+ ~__GFP_FS));
inode->i_mapping->a_ops = &nilfs_aops;
err = page_symlink(inode, symname, l);
if (err)
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 98be72e93b40..7adf74b52550 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -404,6 +404,7 @@ void nilfs_clear_dirty_page(struct page *page, bool silent)
ClearPageUptodate(page);
ClearPageMappedToDisk(page);
+ ClearPageChecked(page);
if (page_has_buffers(page)) {
struct buffer_head *bh, *head;
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 7a1f57dc58df..a74bbfec8e3a 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -101,7 +101,9 @@ void ni_clear(struct ntfs_inode *ni)
{
struct rb_node *node;
- if (!ni->vfs_inode.i_nlink && ni->mi.mrec && is_rec_inuse(ni->mi.mrec))
+ if (!ni->vfs_inode.i_nlink && ni->mi.mrec &&
+ is_rec_inuse(ni->mi.mrec) &&
+ !(ni->mi.sbi->flags & NTFS_FLAGS_LOG_REPLAYING))
ni_delete_all(ni);
al_destroy(ni);
diff --git a/fs/ntfs3/lznt.c b/fs/ntfs3/lznt.c
index 28f654561f27..09db01c1098c 100644
--- a/fs/ntfs3/lznt.c
+++ b/fs/ntfs3/lznt.c
@@ -236,6 +236,9 @@ static inline ssize_t decompress_chunk(u8 *unc, u8 *unc_end, const u8 *cmpr,
/* Do decompression until pointers are inside range. */
while (up < unc_end && cmpr < cmpr_end) {
+ // return err if more than LZNT_CHUNK_SIZE bytes are written
+ if (up - unc > LZNT_CHUNK_SIZE)
+ return -EINVAL;
/* Correct index */
while (unc + s_max_off[index] < up)
index += 1;
diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c
index bff1934e044e..c1bce9d656cf 100644
--- a/fs/ntfs3/namei.c
+++ b/fs/ntfs3/namei.c
@@ -79,7 +79,7 @@ static struct dentry *ntfs_lookup(struct inode *dir, struct dentry *dentry,
if (err < 0)
inode = ERR_PTR(err);
else {
- ni_lock(ni);
+ ni_lock_dir(ni);
inode = dir_search_u(dir, uni, NULL);
ni_unlock(ni);
}
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index b4c09b99edd1..7b46926e920c 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -328,7 +328,7 @@ struct mft_inode {
/* Nested class for ntfs_inode::ni_lock. */
enum ntfs_inode_mutex_lock_class {
- NTFS_INODE_MUTEX_DIRTY,
+ NTFS_INODE_MUTEX_DIRTY = 1,
NTFS_INODE_MUTEX_SECURITY,
NTFS_INODE_MUTEX_OBJID,
NTFS_INODE_MUTEX_REPARSE,
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 403c71a485c7..fc1e929ae038 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1787,6 +1787,14 @@ int ocfs2_remove_inode_range(struct inode *inode,
return 0;
if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+ int id_count = ocfs2_max_inline_data_with_xattr(inode->i_sb, di);
+
+ if (byte_start > id_count || byte_start + byte_len > id_count) {
+ ret = -EINVAL;
+ mlog_errno(ret);
+ goto out;
+ }
+
ret = ocfs2_truncate_inline(inode, di_bh, byte_start,
byte_start + byte_len, 0);
if (ret) {
diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
index 0fed87e2a895..28179bb794b2 100644
--- a/include/acpi/cppc_acpi.h
+++ b/include/acpi/cppc_acpi.h
@@ -65,7 +65,7 @@ struct cpc_desc {
int write_cmd_status;
int write_cmd_id;
/* Lock used for RMW operations in cpc_write() */
- spinlock_t rmw_lock;
+ raw_spinlock_t rmw_lock;
struct cpc_register_resource cpc_regs[MAX_CPC_REG_ENT];
struct acpi_psd_package domain_info;
struct kobject kobj;
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 0a0de98c0b7f..d8b9942f1afd 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -247,7 +247,7 @@ static inline void ip_tunnel_init_flow(struct flowi4 *fl4,
memset(fl4, 0, sizeof(*fl4));
if (oif) {
- fl4->flowi4_l3mdev = l3mdev_master_upper_ifindex_by_index_rcu(net, oif);
+ fl4->flowi4_l3mdev = l3mdev_master_upper_ifindex_by_index(net, oif);
/* Legacy VRF/l3mdev use case */
fl4->flowi4_oif = fl4->flowi4_l3mdev ? 0 : oif;
}
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 618d1f427cb2..c713edfbe2b6 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6009,6 +6009,16 @@ void ieee80211_disconnect(struct ieee80211_vif *vif, bool reconnect);
*/
void ieee80211_resume_disconnect(struct ieee80211_vif *vif);
+/**
+ * ieee80211_hw_restart_disconnect - disconnect from AP after
+ * hardware restart
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback.
+ *
+ * Instructs mac80211 to disconnect from the AP after
+ * hardware restart.
+ */
+void ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif);
+
/**
* ieee80211_cqm_rssi_notify - inform a configured connection quality monitoring
* rssi threshold triggered
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index ddc8c944f417..f89fb3afcd46 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -229,20 +229,23 @@ TRACE_EVENT(mm_page_alloc,
DECLARE_EVENT_CLASS(mm_page,
- TP_PROTO(struct page *page, unsigned int order, int migratetype),
+ TP_PROTO(struct page *page, unsigned int order, int migratetype,
+ int percpu_refill),
- TP_ARGS(page, order, migratetype),
+ TP_ARGS(page, order, migratetype, percpu_refill),
TP_STRUCT__entry(
__field( unsigned long, pfn )
__field( unsigned int, order )
__field( int, migratetype )
+ __field( int, percpu_refill )
),
TP_fast_assign(
__entry->pfn = page ? page_to_pfn(page) : -1UL;
__entry->order = order;
__entry->migratetype = migratetype;
+ __entry->percpu_refill = percpu_refill;
),
TP_printk("page=%p pfn=0x%lx order=%u migratetype=%d percpu_refill=%d",
@@ -250,14 +253,15 @@ DECLARE_EVENT_CLASS(mm_page,
__entry->pfn != -1UL ? __entry->pfn : 0,
__entry->order,
__entry->migratetype,
- __entry->order == 0)
+ __entry->percpu_refill)
);
DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
- TP_PROTO(struct page *page, unsigned int order, int migratetype),
+ TP_PROTO(struct page *page, unsigned int order, int migratetype,
+ int percpu_refill),
- TP_ARGS(page, order, migratetype)
+ TP_ARGS(page, order, migratetype, percpu_refill)
);
TRACE_EVENT(mm_page_pcpu_drain,
diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c
index 4ea7fb0ca1ad..6b2bf71f8de4 100644
--- a/kernel/bpf/lpm_trie.c
+++ b/kernel/bpf/lpm_trie.c
@@ -644,7 +644,7 @@ static int trie_get_next_key(struct bpf_map *map, void *_key, void *_next_key)
if (!key || key->prefixlen > trie->max_prefixlen)
goto find_leftmost;
- node_stack = kmalloc_array(trie->max_prefixlen,
+ node_stack = kmalloc_array(trie->max_prefixlen + 1,
sizeof(struct lpm_trie_node *),
GFP_ATOMIC | __GFP_NOWARN);
if (!node_stack)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 999fef6d1228..9ba87c5de1a8 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5527,7 +5527,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent)
{
struct cgroup *cgroup;
int ret = false;
- int level = 1;
+ int level = 0;
lockdep_assert_held(&cgroup_mutex);
@@ -5535,7 +5535,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent)
if (cgroup->nr_descendants >= cgroup->max_descendants)
goto fail;
- if (level > cgroup->max_depth)
+ if (level >= cgroup->max_depth)
goto fail;
level++;
diff --git a/mm/internal.h b/mm/internal.h
index cf3cb933eba3..cd444aa7a10a 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -592,8 +592,13 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
#define ALLOC_OOM ALLOC_NO_WATERMARKS
#endif
-#define ALLOC_HARDER 0x10 /* try to alloc harder */
-#define ALLOC_HIGH 0x20 /* __GFP_HIGH set */
+#define ALLOC_NON_BLOCK 0x10 /* Caller cannot block. Allow access
+ * to 25% of the min watermark or
+ * 62.5% if __GFP_HIGH is set.
+ */
+#define ALLOC_MIN_RESERVE 0x20 /* __GFP_HIGH set. Allow access to 50%
+ * of the min watermark.
+ */
#define ALLOC_CPUSET 0x40 /* check for correct cpuset */
#define ALLOC_CMA 0x80 /* allow allocations from CMA areas */
#ifdef CONFIG_ZONE_DMA32
@@ -601,8 +606,12 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
#else
#define ALLOC_NOFRAGMENT 0x0
#endif
+#define ALLOC_HIGHATOMIC 0x200 /* Allows access to MIGRATE_HIGHATOMIC */
#define ALLOC_KSWAPD 0x800 /* allow waking of kswapd, __GFP_KSWAPD_RECLAIM set */
+/* Flags that allow allocations below the min watermark. */
+#define ALLOC_RESERVES (ALLOC_NON_BLOCK|ALLOC_MIN_RESERVE|ALLOC_HIGHATOMIC|ALLOC_OOM)
+
enum ttu_flags;
struct tlbflush_unmap_batch;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 264efa022fa9..6a64a7518488 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2461,6 +2461,9 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order,
del_page_from_free_list(page, zone, current_order);
expand(zone, page, order, current_order, migratetype);
set_pcppage_migratetype(page, migratetype);
+ trace_mm_page_alloc_zone_locked(page, order, migratetype,
+ pcp_allowed_order(order) &&
+ migratetype < MIGRATE_PCPTYPES);
return page;
}
@@ -2988,7 +2991,7 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype,
zone_page_state(zone, NR_FREE_PAGES) / 2) {
page = __rmqueue_cma_fallback(zone, order);
if (page)
- goto out;
+ return page;
}
}
retry:
@@ -3001,9 +3004,6 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype,
alloc_flags))
goto retry;
}
-out:
- if (page)
- trace_mm_page_alloc_zone_locked(page, order, migratetype);
return page;
}
@@ -3597,6 +3597,53 @@ static inline void zone_statistics(struct zone *preferred_zone, struct zone *z,
#endif
}
+static __always_inline
+struct page *rmqueue_buddy(struct zone *preferred_zone, struct zone *zone,
+ unsigned int order, unsigned int alloc_flags,
+ int migratetype)
+{
+ struct page *page;
+ unsigned long flags;
+
+ do {
+ page = NULL;
+ spin_lock_irqsave(&zone->lock, flags);
+ /*
+ * order-0 request can reach here when the pcplist is skipped
+ * due to non-CMA allocation context. HIGHATOMIC area is
+ * reserved for high-order atomic allocation, so order-0
+ * request should skip it.
+ */
+ if (alloc_flags & ALLOC_HIGHATOMIC)
+ page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC);
+ if (!page) {
+ page = __rmqueue(zone, order, migratetype, alloc_flags);
+
+ /*
+ * If the allocation fails, allow OOM handling and
+ * order-0 (atomic) allocs access to HIGHATOMIC
+ * reserves as failing now is worse than failing a
+ * high-order atomic allocation in the future.
+ */
+ if (!page && (alloc_flags & (ALLOC_OOM|ALLOC_NON_BLOCK)))
+ page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC);
+
+ if (!page) {
+ spin_unlock_irqrestore(&zone->lock, flags);
+ return NULL;
+ }
+ }
+ __mod_zone_freepage_state(zone, -(1 << order),
+ get_pcppage_migratetype(page));
+ spin_unlock_irqrestore(&zone->lock, flags);
+ } while (check_new_pages(page, order));
+
+ __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
+ zone_statistics(preferred_zone, zone, 1);
+
+ return page;
+}
+
/* Remove page from the per-cpu list, caller must protect the list */
static inline
struct page *__rmqueue_pcplist(struct zone *zone, unsigned int order,
@@ -3677,9 +3724,14 @@ struct page *rmqueue(struct zone *preferred_zone,
gfp_t gfp_flags, unsigned int alloc_flags,
int migratetype)
{
- unsigned long flags;
struct page *page;
+ /*
+ * We most definitely don't want callers attempting to
+ * allocate greater than order-1 page units with __GFP_NOFAIL.
+ */
+ WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1));
+
if (likely(pcp_allowed_order(order))) {
/*
* MIGRATE_MOVABLE pcplist could have the pages on CMA area and
@@ -3693,38 +3745,10 @@ struct page *rmqueue(struct zone *preferred_zone,
}
}
- /*
- * We most definitely don't want callers attempting to
- * allocate greater than order-1 page units with __GFP_NOFAIL.
- */
- WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1));
- spin_lock_irqsave(&zone->lock, flags);
-
- do {
- page = NULL;
- /*
- * order-0 request can reach here when the pcplist is skipped
- * due to non-CMA allocation context. HIGHATOMIC area is
- * reserved for high-order atomic allocation, so order-0
- * request should skip it.
- */
- if (order > 0 && alloc_flags & ALLOC_HARDER) {
- page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC);
- if (page)
- trace_mm_page_alloc_zone_locked(page, order, migratetype);
- }
- if (!page)
- page = __rmqueue(zone, order, migratetype, alloc_flags);
- } while (page && check_new_pages(page, order));
- if (!page)
- goto failed;
-
- __mod_zone_freepage_state(zone, -(1 << order),
- get_pcppage_migratetype(page));
- spin_unlock_irqrestore(&zone->lock, flags);
-
- __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
- zone_statistics(preferred_zone, zone, 1);
+ page = rmqueue_buddy(preferred_zone, zone, order, alloc_flags,
+ migratetype);
+ if (unlikely(!page))
+ return NULL;
out:
/* Separate test+clear to avoid unnecessary atomics */
@@ -3735,10 +3759,6 @@ struct page *rmqueue(struct zone *preferred_zone,
VM_BUG_ON_PAGE(page && bad_range(zone, page), page);
return page;
-
-failed:
- spin_unlock_irqrestore(&zone->lock, flags);
- return NULL;
}
#ifdef CONFIG_FAIL_PAGE_ALLOC
@@ -3818,15 +3838,14 @@ ALLOW_ERROR_INJECTION(should_fail_alloc_page, TRUE);
static inline long __zone_watermark_unusable_free(struct zone *z,
unsigned int order, unsigned int alloc_flags)
{
- const bool alloc_harder = (alloc_flags & (ALLOC_HARDER|ALLOC_OOM));
long unusable_free = (1 << order) - 1;
/*
- * If the caller does not have rights to ALLOC_HARDER then subtract
- * the high-atomic reserves. This will over-estimate the size of the
- * atomic reserve but it avoids a search.
+ * If the caller does not have rights to reserves below the min
+ * watermark then subtract the high-atomic reserves. This will
+ * over-estimate the size of the atomic reserve but it avoids a search.
*/
- if (likely(!alloc_harder))
+ if (likely(!(alloc_flags & ALLOC_RESERVES)))
unusable_free += z->nr_reserved_highatomic;
#ifdef CONFIG_CMA
@@ -3850,25 +3869,37 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
{
long min = mark;
int o;
- const bool alloc_harder = (alloc_flags & (ALLOC_HARDER|ALLOC_OOM));
/* free_pages may go negative - that's OK */
free_pages -= __zone_watermark_unusable_free(z, order, alloc_flags);
- if (alloc_flags & ALLOC_HIGH)
- min -= min / 2;
+ if (unlikely(alloc_flags & ALLOC_RESERVES)) {
+ /*
+ * __GFP_HIGH allows access to 50% of the min reserve as well
+ * as OOM.
+ */
+ if (alloc_flags & ALLOC_MIN_RESERVE) {
+ min -= min / 2;
+
+ /*
+ * Non-blocking allocations (e.g. GFP_ATOMIC) can
+ * access more reserves than just __GFP_HIGH. Other
+ * non-blocking allocations requests such as GFP_NOWAIT
+ * or (GFP_KERNEL & ~__GFP_DIRECT_RECLAIM) do not get
+ * access to the min reserve.
+ */
+ if (alloc_flags & ALLOC_NON_BLOCK)
+ min -= min / 4;
+ }
- if (unlikely(alloc_harder)) {
/*
- * OOM victims can try even harder than normal ALLOC_HARDER
+ * OOM victims can try even harder than the normal reserve
* users on the grounds that it's definitely going to be in
* the exit path shortly and free memory. Any allocation it
* makes during the free path will be small and short-lived.
*/
if (alloc_flags & ALLOC_OOM)
min -= min / 2;
- else
- min -= min / 4;
}
/*
@@ -3902,8 +3933,10 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
return true;
}
#endif
- if (alloc_harder && !free_area_empty(area, MIGRATE_HIGHATOMIC))
+ if ((alloc_flags & (ALLOC_HIGHATOMIC|ALLOC_OOM)) &&
+ !free_area_empty(area, MIGRATE_HIGHATOMIC)) {
return true;
+ }
}
return false;
}
@@ -4162,7 +4195,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
* If this is a high-order atomic allocation then check
* if the pageblock should be reserved for the future
*/
- if (unlikely(order && (alloc_flags & ALLOC_HARDER)))
+ if (unlikely(alloc_flags & ALLOC_HIGHATOMIC))
reserve_highatomic_pageblock(page, zone, order);
return page;
@@ -4681,41 +4714,48 @@ static void wake_all_kswapds(unsigned int order, gfp_t gfp_mask,
}
static inline unsigned int
-gfp_to_alloc_flags(gfp_t gfp_mask)
+gfp_to_alloc_flags(gfp_t gfp_mask, unsigned int order)
{
unsigned int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET;
/*
- * __GFP_HIGH is assumed to be the same as ALLOC_HIGH
+ * __GFP_HIGH is assumed to be the same as ALLOC_MIN_RESERVE
* and __GFP_KSWAPD_RECLAIM is assumed to be the same as ALLOC_KSWAPD
* to save two branches.
*/
- BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_HIGH);
+ BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_MIN_RESERVE);
BUILD_BUG_ON(__GFP_KSWAPD_RECLAIM != (__force gfp_t) ALLOC_KSWAPD);
/*
* The caller may dip into page reserves a bit more if the caller
* cannot run direct reclaim, or if the caller has realtime scheduling
* policy or is asking for __GFP_HIGH memory. GFP_ATOMIC requests will
- * set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_HIGH (__GFP_HIGH).
+ * set both ALLOC_NON_BLOCK and ALLOC_MIN_RESERVE(__GFP_HIGH).
*/
alloc_flags |= (__force int)
(gfp_mask & (__GFP_HIGH | __GFP_KSWAPD_RECLAIM));
- if (gfp_mask & __GFP_ATOMIC) {
+ if (!(gfp_mask & __GFP_DIRECT_RECLAIM)) {
/*
* Not worth trying to allocate harder for __GFP_NOMEMALLOC even
* if it can't schedule.
*/
- if (!(gfp_mask & __GFP_NOMEMALLOC))
- alloc_flags |= ALLOC_HARDER;
+ if (!(gfp_mask & __GFP_NOMEMALLOC)) {
+ alloc_flags |= ALLOC_NON_BLOCK;
+
+ if (order > 0)
+ alloc_flags |= ALLOC_HIGHATOMIC;
+ }
+
/*
- * Ignore cpuset mems for GFP_ATOMIC rather than fail, see the
- * comment for __cpuset_node_allowed().
+ * Ignore cpuset mems for non-blocking __GFP_HIGH (probably
+ * GFP_ATOMIC) rather than fail, see the comment for
+ * __cpuset_node_allowed().
*/
- alloc_flags &= ~ALLOC_CPUSET;
+ if (alloc_flags & ALLOC_MIN_RESERVE)
+ alloc_flags &= ~ALLOC_CPUSET;
} else if (unlikely(rt_task(current)) && in_task())
- alloc_flags |= ALLOC_HARDER;
+ alloc_flags |= ALLOC_MIN_RESERVE;
alloc_flags = gfp_to_alloc_flags_cma(gfp_mask, alloc_flags);
@@ -4936,7 +4976,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
* kswapd needs to be woken up, and to avoid the cost of setting up
* alloc_flags precisely. So we do that now.
*/
- alloc_flags = gfp_to_alloc_flags(gfp_mask);
+ alloc_flags = gfp_to_alloc_flags(gfp_mask, order);
/*
* We need to recalculate the starting point for the zonelist iterator
@@ -5151,12 +5191,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
WARN_ON_ONCE(order > PAGE_ALLOC_COSTLY_ORDER);
/*
- * Help non-failing allocations by giving them access to memory
- * reserves but do not use ALLOC_NO_WATERMARKS because this
+ * Help non-failing allocations by giving some access to memory
+ * reserves normally used for high priority non-blocking
+ * allocations but do not use ALLOC_NO_WATERMARKS because this
* could deplete whole memory reserves which would just make
- * the situation worse
+ * the situation worse.
*/
- page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_HARDER, ac);
+ page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_MIN_RESERVE, ac);
if (page)
goto got_pg;
diff --git a/mm/shmem.c b/mm/shmem.c
index 663fb117cd87..cdb169348ba9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1077,7 +1077,9 @@ static int shmem_getattr(struct user_namespace *mnt_userns,
shmem_recalc_inode(inode);
spin_unlock_irq(&info->lock);
}
+ inode_lock_shared(inode);
generic_fillattr(&init_user_ns, inode, stat);
+ inode_unlock_shared(inode);
if (shmem_is_huge(NULL, inode, 0))
stat->blksize = HPAGE_PMD_SIZE;
diff --git a/net/core/dev.c b/net/core/dev.c
index 8a22ce15b7f5..15ed4a79be46 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3668,6 +3668,9 @@ int skb_csum_hwoffload_help(struct sk_buff *skb,
return 0;
if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) {
+ if (vlan_get_protocol(skb) == htons(ETH_P_IPV6) &&
+ skb_network_header_len(skb) != sizeof(struct ipv6hdr))
+ goto sw_checksum;
switch (skb->csum_offset) {
case offsetof(struct tcphdr, check):
case offsetof(struct udphdr, check):
@@ -3675,6 +3678,7 @@ int skb_csum_hwoffload_help(struct sk_buff *skb,
}
}
+sw_checksum:
return skb_checksum_help(skb);
}
EXPORT_SYMBOL(skb_csum_hwoffload_help);
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 51ec8256b7fa..8278221a36a1 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -86,7 +86,7 @@ config MAC80211_DEBUGFS
config MAC80211_MESSAGE_TRACING
bool "Trace all mac80211 debug messages"
- depends on MAC80211
+ depends on MAC80211 && TRACING
help
Select this option to have mac80211 register the
mac80211_msg trace subsystem with tracepoints to
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c54b3be62c0a..2b77cb290788 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2757,7 +2757,8 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy,
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
- if (local->ops->get_txpower)
+ if (local->ops->get_txpower &&
+ (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
return drv_get_txpower(local, sdata, dbm);
if (!local->use_chanctx)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 03c238e68038..3b5350cfc0ee 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -765,6 +765,8 @@ struct ieee80211_if_mesh {
* back to wireless media and to the local net stack.
* @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
* @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
+ * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart
+ * recovery
*/
enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_ALLMULTI = BIT(0),
@@ -772,6 +774,7 @@ enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
IEEE80211_SDATA_IN_DRIVER = BIT(5),
+ IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6),
};
/**
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 7b427e39831b..c755e3b332de 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -918,6 +918,26 @@ void ieee80211_reenable_keys(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&sdata->local->key_mtx);
}
+static void
+ieee80211_key_iter(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_key *key,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data)
+{
+ /* skip keys of station in removal process */
+ if (key->sta && key->sta->removed)
+ return;
+ if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
+ return;
+ iter(hw, vif, key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+}
+
void ieee80211_iter_keys(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
void (*iter)(struct ieee80211_hw *hw,
@@ -937,16 +957,13 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw,
if (vif) {
sdata = vif_to_sdata(vif);
list_for_each_entry_safe(key, tmp, &sdata->key_list, list)
- iter(hw, &sdata->vif,
- key->sta ? &key->sta->sta : NULL,
- &key->conf, iter_data);
+ ieee80211_key_iter(hw, vif, key, iter, iter_data);
} else {
list_for_each_entry(sdata, &local->interfaces, list)
list_for_each_entry_safe(key, tmp,
&sdata->key_list, list)
- iter(hw, &sdata->vif,
- key->sta ? &key->sta->sta : NULL,
- &key->conf, iter_data);
+ ieee80211_key_iter(hw, &sdata->vif, key,
+ iter, iter_data);
}
mutex_unlock(&local->key_mtx);
}
@@ -964,17 +981,8 @@ _ieee80211_iter_keys_rcu(struct ieee80211_hw *hw,
{
struct ieee80211_key *key;
- list_for_each_entry_rcu(key, &sdata->key_list, list) {
- /* skip keys of station in removal process */
- if (key->sta && key->sta->removed)
- continue;
- if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
- continue;
-
- iter(hw, &sdata->vif,
- key->sta ? &key->sta->sta : NULL,
- &key->conf, iter_data);
- }
+ list_for_each_entry_rcu(key, &sdata->key_list, list)
+ ieee80211_key_iter(hw, &sdata->vif, key, iter, iter_data);
}
void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 5da0c2a2e293..b71d3a03032e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4832,6 +4832,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
sdata_unlock(sdata);
}
+#endif
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
@@ -4853,9 +4854,20 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
sdata_unlock(sdata);
return;
}
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_HW_RESTART) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_HW_RESTART;
+ mlme_dbg(sdata, "driver requested disconnect after hardware restart\n");
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED,
+ true);
+ sdata_unlock(sdata);
+ return;
+ }
+
sdata_unlock(sdata);
}
-#endif
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ef7b6d88ee00..85d3d2034d43 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2313,6 +2313,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
struct cfg80211_sched_scan_request *sched_scan_req;
bool sched_scan_stopped = false;
bool suspended = local->suspended;
+ bool in_reconfig = false;
/* nothing to do if HW shouldn't run */
if (!local->open_count)
@@ -2656,7 +2657,15 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_unlock(&local->sta_mtx);
}
+ /*
+ * If this is for hw restart things are still running.
+ * We may want to change that later, however.
+ */
+ if (local->open_count && (!suspended || reconfig_due_to_wowlan))
+ drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART);
+
if (local->in_reconfig) {
+ in_reconfig = local->in_reconfig;
local->in_reconfig = false;
barrier();
@@ -2674,12 +2683,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
false);
- /*
- * If this is for hw restart things are still running.
- * We may want to change that later, however.
- */
- if (local->open_count && (!suspended || reconfig_due_to_wowlan))
- drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART);
+ if (in_reconfig) {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ ieee80211_sta_restart(sdata);
+ }
+ }
if (!suspended)
return 0;
@@ -2710,7 +2721,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
return 0;
}
-void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+static void ieee80211_reconfig_disconnect(struct ieee80211_vif *vif, u8 flag)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_local *local;
@@ -2722,19 +2733,35 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
sdata = vif_to_sdata(vif);
local = sdata->local;
- if (WARN_ON(!local->resuming))
+ if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_RESUME &&
+ !local->resuming))
+ return;
+
+ if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_HW_RESTART &&
+ !local->in_reconfig))
return;
if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
return;
- sdata->flags |= IEEE80211_SDATA_DISCONNECT_RESUME;
+ sdata->flags |= flag;
mutex_lock(&local->key_mtx);
list_for_each_entry(key, &sdata->key_list, list)
key->flags |= KEY_FLAG_TAINTED;
mutex_unlock(&local->key_mtx);
}
+
+void ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif)
+{
+ ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_HW_RESTART);
+}
+EXPORT_SYMBOL_GPL(ieee80211_hw_restart_disconnect);
+
+void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+{
+ ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_RESUME);
+}
EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index 55237d8a3d88..49a1cf53064f 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -749,6 +749,9 @@ static void nft_payload_set_eval(const struct nft_expr *expr,
((priv->base != NFT_PAYLOAD_TRANSPORT_HEADER &&
priv->base != NFT_PAYLOAD_INNER_HEADER) ||
skb->ip_summed != CHECKSUM_PARTIAL)) {
+ if (offset + priv->len > skb->len)
+ goto err;
+
fsum = skb_checksum(skb, offset, priv->len, 0);
tsum = csum_partial(src, priv->len, 0);
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 25524e393349..9a579217763d 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1268,7 +1268,7 @@ struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af,
/* and once again: */
list_for_each_entry(t, &xt_net->tables[af], list)
- if (strcmp(t->name, name) == 0)
+ if (strcmp(t->name, name) == 0 && owner == t->me)
return t;
module_put(owner);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 724bfeccc6e7..bf8af9f3f3dc 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -780,7 +780,7 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
drops = max_t(int, n, 0);
rcu_read_lock();
while ((parentid = sch->parent)) {
- if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS))
+ if (parentid == TC_H_ROOT)
break;
if (sch->flags & TCQ_F_NOPARENT)
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 4b026e1c3fe3..09445db29aa1 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -754,8 +754,10 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_LOW);
- if (IS_ERR(cs42l51->reset_gpio))
- return PTR_ERR(cs42l51->reset_gpio);
+ if (IS_ERR(cs42l51->reset_gpio)) {
+ ret = PTR_ERR(cs42l51->reset_gpio);
+ goto error;
+ }
if (cs42l51->reset_gpio) {
dev_dbg(dev, "Release reset gpio\n");
@@ -787,6 +789,7 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
return 0;
error:
+ gpiod_set_value_cansleep(cs42l51->reset_gpio, 1);
regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),
cs42l51->supplies);
return ret;
diff --git a/tools/testing/selftests/vm/hmm-tests.c b/tools/testing/selftests/vm/hmm-tests.c
index 203323967b50..a8f69d991243 100644
--- a/tools/testing/selftests/vm/hmm-tests.c
+++ b/tools/testing/selftests/vm/hmm-tests.c
@@ -1482,7 +1482,7 @@ TEST_F(hmm2, double_map)
buffer->fd = -1;
buffer->size = size;
- buffer->mirror = malloc(npages);
+ buffer->mirror = malloc(size);
ASSERT_NE(buffer->mirror, NULL);
/* Reserve a range of addresses. */
diff --git a/tools/usb/usbip/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c
index aec993159036..bc663ca79c74 100644
--- a/tools/usb/usbip/src/usbip_detach.c
+++ b/tools/usb/usbip/src/usbip_detach.c
@@ -68,6 +68,7 @@ static int detach_port(char *port)
}
if (!found) {
+ ret = -1;
err("Invalid port %s > maxports %d",
port, vhci_driver->nports);
goto call_driver_close;
