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Message-ID: <2024091215-awhile-pediatric-d8c5@gregkh>
Date: Thu, 12 Sep 2024 13:48:15 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org,
torvalds@...ux-foundation.org,
stable@...r.kernel.org
Cc: lwn@....net,
jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.284
diff --git a/Makefile b/Makefile
index 362e593d630f..6a4587f51d00 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 283
+SUBLEVEL = 284
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index a45366c3909b..cbf97e648d19 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -110,6 +110,18 @@ static inline u32 get_acpi_id_for_cpu(unsigned int cpu)
return acpi_cpu_get_madt_gicc(cpu)->uid;
}
+static inline int get_cpu_for_acpi_id(u32 uid)
+{
+ int cpu;
+
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++)
+ if (acpi_cpu_get_madt_gicc(cpu) &&
+ uid == get_acpi_id_for_cpu(cpu))
+ return cpu;
+
+ return -EINVAL;
+}
+
static inline void arch_fix_phys_package_id(int num, u32 slot) { }
void __init acpi_init_cpus(void);
int apei_claim_sea(struct pt_regs *regs);
diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c
index 048b75cadd2f..c5feac18c238 100644
--- a/arch/arm64/kernel/acpi_numa.c
+++ b/arch/arm64/kernel/acpi_numa.c
@@ -34,17 +34,6 @@ int __init acpi_numa_get_nid(unsigned int cpu)
return acpi_early_node_map[cpu];
}
-static inline int get_cpu_for_acpi_id(u32 uid)
-{
- int cpu;
-
- for (cpu = 0; cpu < nr_cpu_ids; cpu++)
- if (uid == get_acpi_id_for_cpu(cpu))
- return cpu;
-
- return -EINVAL;
-}
-
static int __init acpi_parse_gicc_pxm(union acpi_subtable_headers *header,
const unsigned long end)
{
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index c4c06bcd0483..b4aa5af943ba 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -520,7 +520,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
old_regs = set_irq_regs(regs);
local_irq_disable();
- irq_enter_rcu();
+ irq_enter();
eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu);
if (!eirr_val)
@@ -555,7 +555,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
#endif /* CONFIG_IRQSTACKS */
out:
- irq_exit_rcu();
+ irq_exit();
set_irq_regs(old_regs);
return;
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index d6a78c3548a5..de0ab2e455b0 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -383,6 +383,7 @@ int setup_one_line(struct line *lines, int n, char *init,
parse_chan_pair(NULL, line, n, opts, error_out);
err = 0;
}
+ *error_out = "configured as 'none'";
} else {
char *new = kstrdup(init, GFP_KERNEL);
if (!new) {
@@ -406,6 +407,7 @@ int setup_one_line(struct line *lines, int n, char *init,
}
}
if (err) {
+ *error_out = "failed to parse channel pair";
line->init_str = NULL;
line->valid = 0;
kfree(new);
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 247f7c480e66..619ed4d84d50 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -212,6 +212,7 @@ bool bio_integrity_prep(struct bio *bio)
unsigned int bytes, offset, i;
unsigned int intervals;
blk_status_t status;
+ gfp_t gfp = GFP_NOIO;
if (!bi)
return true;
@@ -234,12 +235,20 @@ bool bio_integrity_prep(struct bio *bio)
if (!bi->profile->generate_fn ||
!(bi->flags & BLK_INTEGRITY_GENERATE))
return true;
+
+ /*
+ * Zero the memory allocated to not leak uninitialized kernel
+ * memory to disk. For PI this only affects the app tag, but
+ * for non-integrity metadata it affects the entire metadata
+ * buffer.
+ */
+ gfp |= __GFP_ZERO;
}
intervals = bio_integrity_intervals(bi, bio_sectors(bio));
/* Allocate kernel buffer for protection data */
len = intervals * bi->tuple_size;
- buf = kmalloc(len, GFP_NOIO | q->bounce_gfp);
+ buf = kmalloc(len, gfp | q->bounce_gfp);
status = BLK_STS_RESOURCE;
if (unlikely(buf == NULL)) {
printk(KERN_ERR "could not allocate integrity buffer\n");
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 2c4dda0787e8..c8338d627857 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -388,7 +388,7 @@ static int acpi_processor_add(struct acpi_device *device,
result = acpi_processor_get_info(device);
if (result) /* Processor is not physically present or unavailable */
- return 0;
+ goto err_clear_driver_data;
BUG_ON(pr->id >= nr_cpu_ids);
@@ -403,7 +403,7 @@ static int acpi_processor_add(struct acpi_device *device,
"BIOS reported wrong ACPI id %d for the processor\n",
pr->id);
/* Give up, but do not abort the namespace scan. */
- goto err;
+ goto err_clear_driver_data;
}
/*
* processor_device_array is not cleared on errors to allow buggy BIOS
@@ -415,12 +415,12 @@ static int acpi_processor_add(struct acpi_device *device,
dev = get_cpu_device(pr->id);
if (!dev) {
result = -ENODEV;
- goto err;
+ goto err_clear_per_cpu;
}
result = acpi_bind_one(dev, device);
if (result)
- goto err;
+ goto err_clear_per_cpu;
pr->dev = dev;
@@ -431,10 +431,11 @@ static int acpi_processor_add(struct acpi_device *device,
dev_err(dev, "Processor driver could not be attached\n");
acpi_unbind_one(dev);
- err:
- free_cpumask_var(pr->throttling.shared_cpu_map);
- device->driver_data = NULL;
+ err_clear_per_cpu:
per_cpu(processors, pr->id) = NULL;
+ err_clear_driver_data:
+ device->driver_data = NULL;
+ free_cpumask_var(pr->throttling.shared_cpu_map);
err_free_pr:
kfree(pr);
return result;
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 7a8cdecaf348..30d71b928f0d 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -3534,6 +3534,7 @@ static void binder_transaction(struct binder_proc *proc,
*/
copy_size = object_offset - user_offset;
if (copy_size && (user_offset > object_offset ||
+ object_offset > tr->data_size ||
binder_alloc_copy_user_to_buffer(
&target_proc->alloc,
t->buffer, user_offset,
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2ee0ee2b4752..37b300b0857a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -6203,8 +6203,10 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
}
dr = devres_alloc(ata_devres_release, 0, GFP_KERNEL);
- if (!dr)
+ if (!dr) {
+ kfree(host);
goto err_out;
+ }
devres_add(dev, dr);
dev_set_drvdata(dev, host);
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 1bfd0154dad5..a601768956e8 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -540,7 +540,8 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc)
while (sg_len) {
/* table overflow should never happen */
- BUG_ON (pi++ >= MAX_DCMDS);
+ if (WARN_ON_ONCE(pi >= MAX_DCMDS))
+ return AC_ERR_SYSTEM;
len = (sg_len < MAX_DBDMA_SEG) ? sg_len : MAX_DBDMA_SEG;
table->command = cpu_to_le16(write ? OUTPUT_MORE: INPUT_MORE);
@@ -552,11 +553,13 @@ static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc)
addr += len;
sg_len -= len;
++table;
+ ++pi;
}
}
/* Should never happen according to Tejun */
- BUG_ON(!pi);
+ if (WARN_ON_ONCE(!pi))
+ return AC_ERR_SYSTEM;
/* Convert the last command to an input/output */
table--;
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 5a84bafae328..be87133d2cf1 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -561,6 +561,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp)
grp->id = grp;
if (id)
grp->id = id;
+ grp->color = 0;
spin_lock_irqsave(&dev->devres_lock, flags);
add_dr(dev, &grp->node[0]);
diff --git a/drivers/clk/hisilicon/clk-hi6220.c b/drivers/clk/hisilicon/clk-hi6220.c
index b2c5b6bbb1c1..e7cdf72d4b06 100644
--- a/drivers/clk/hisilicon/clk-hi6220.c
+++ b/drivers/clk/hisilicon/clk-hi6220.c
@@ -86,7 +86,8 @@ static void __init hi6220_clk_ao_init(struct device_node *np)
hisi_clk_register_gate_sep(hi6220_separated_gate_clks_ao,
ARRAY_SIZE(hi6220_separated_gate_clks_ao), clk_data_ao);
}
-CLK_OF_DECLARE(hi6220_clk_ao, "hisilicon,hi6220-aoctrl", hi6220_clk_ao_init);
+/* Allow reset driver to probe as well */
+CLK_OF_DECLARE_DRIVER(hi6220_clk_ao, "hisilicon,hi6220-aoctrl", hi6220_clk_ao_init);
/* clocks in sysctrl */
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index a69f53e435ed..6bf33ba6493c 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -38,7 +38,7 @@
#define PLL_USER_CTL(p) ((p)->offset + (p)->regs[PLL_OFF_USER_CTL])
# define PLL_POST_DIV_SHIFT 8
-# define PLL_POST_DIV_MASK(p) GENMASK((p)->width, 0)
+# define PLL_POST_DIV_MASK(p) GENMASK((p)->width - 1, 0)
# define PLL_ALPHA_EN BIT(24)
# define PLL_ALPHA_MODE BIT(25)
# define PLL_VCO_SHIFT 20
@@ -1257,8 +1257,8 @@ clk_trion_pll_postdiv_set_rate(struct clk_hw *hw, unsigned long rate,
}
return regmap_update_bits(regmap, PLL_USER_CTL(pll),
- PLL_POST_DIV_MASK(pll) << PLL_POST_DIV_SHIFT,
- val << PLL_POST_DIV_SHIFT);
+ PLL_POST_DIV_MASK(pll) << pll->post_div_shift,
+ val << pll->post_div_shift);
}
const struct clk_ops clk_trion_pll_postdiv_ops = {
diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c
index c1d52d5264c2..75292e487d43 100644
--- a/drivers/clocksource/timer-imx-tpm.c
+++ b/drivers/clocksource/timer-imx-tpm.c
@@ -83,20 +83,28 @@ static u64 notrace tpm_read_sched_clock(void)
static int tpm_set_next_event(unsigned long delta,
struct clock_event_device *evt)
{
- unsigned long next, now;
+ unsigned long next, prev, now;
- next = tpm_read_counter();
- next += delta;
+ prev = tpm_read_counter();
+ next = prev + delta;
writel(next, timer_base + TPM_C0V);
now = tpm_read_counter();
+ /*
+ * Need to wait CNT increase at least 1 cycle to make sure
+ * the C0V has been updated into HW.
+ */
+ if ((next & 0xffffffff) != readl(timer_base + TPM_C0V))
+ while (now == tpm_read_counter())
+ ;
+
/*
* NOTE: We observed in a very small probability, the bus fabric
* contention between GPU and A7 may results a few cycles delay
* of writing CNT registers which may cause the min_delta event got
* missed, so we need add a ETIME check here in case it happened.
*/
- return (int)(next - now) <= 0 ? -ETIME : 0;
+ return (now - prev) >= delta ? -ETIME : 0;
}
static int tpm_set_state_oneshot(struct clock_event_device *evt)
diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index bf2a6f64ba0c..377afa0bdcaa 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -25,10 +25,7 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq)
struct clock_event_device *clkevt = &to->clkevt;
- if (of_irq->percpu)
- free_percpu_irq(of_irq->irq, clkevt);
- else
- free_irq(of_irq->irq, clkevt);
+ free_irq(of_irq->irq, clkevt);
}
/**
@@ -42,9 +39,6 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq)
* - Get interrupt number by name
* - Get interrupt number by index
*
- * When the interrupt is per CPU, 'request_percpu_irq()' is called,
- * otherwise 'request_irq()' is used.
- *
* Returns 0 on success, < 0 otherwise
*/
static __init int timer_of_irq_init(struct device_node *np,
@@ -69,12 +63,9 @@ static __init int timer_of_irq_init(struct device_node *np,
return -EINVAL;
}
- ret = of_irq->percpu ?
- request_percpu_irq(of_irq->irq, of_irq->handler,
- np->full_name, clkevt) :
- request_irq(of_irq->irq, of_irq->handler,
- of_irq->flags ? of_irq->flags : IRQF_TIMER,
- np->full_name, clkevt);
+ ret = request_irq(of_irq->irq, of_irq->handler,
+ of_irq->flags ? of_irq->flags : IRQF_TIMER,
+ np->full_name, clkevt);
if (ret) {
pr_err("Failed to request irq %d for %pOF\n", of_irq->irq, np);
return ret;
diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h
index a5478f3e8589..01a2c6b7db06 100644
--- a/drivers/clocksource/timer-of.h
+++ b/drivers/clocksource/timer-of.h
@@ -11,7 +11,6 @@
struct of_timer_irq {
int irq;
int index;
- int percpu;
const char *name;
unsigned long flags;
irq_handler_t handler;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c
index a4d65973bf7c..80771b1480ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_afmt.c
@@ -100,6 +100,7 @@ struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock)
amdgpu_afmt_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000);
amdgpu_afmt_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100);
amdgpu_afmt_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000);
+ res.clock = clock;
return res;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
index c687432da426..89930a38b63e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
@@ -1626,6 +1626,8 @@ int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
(u32)le32_to_cpu(*((u32 *)reg_data + j));
j++;
} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
+ if (i == 0)
+ continue;
reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 031b094607bd..3ce4447052b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -213,6 +213,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
struct amdgpu_firmware_info *ucode;
id = fw_type_convert(cgs_device, type);
+ if (id >= AMDGPU_UCODE_ID_MAXIMUM)
+ return -EINVAL;
+
ucode = &adev->firmware.ucode[id];
if (ucode->fw == NULL)
return -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index e5c83e164d82..8fafda87d4ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -437,8 +437,9 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
struct amdgpu_ring *ring = file_inode(f)->i_private;
- int r, i;
uint32_t value, result, early[3];
+ loff_t i;
+ int r;
if (*pos & 3 || size & 3)
return -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
index d54ceebd346b..30c70b3ab17f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
@@ -42,8 +42,6 @@
#define CRAT_OEMTABLEID_LENGTH 8
#define CRAT_RESERVED_LENGTH 6
-#define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1)
-
/* Compute Unit flags */
#define COMPUTE_UNIT_CPU (1 << 0) /* Create Virtual CRAT for CPU */
#define COMPUTE_UNIT_GPU (1 << 1) /* Create Virtual CRAT for GPU */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index a49e2ab071d6..de892ee147de 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -883,8 +883,7 @@ static void kfd_update_system_properties(void)
dev = list_last_entry(&topology_device_list,
struct kfd_topology_device, list);
if (dev) {
- sys_props.platform_id =
- (*((uint64_t *)dev->oem_id)) & CRAT_OEMID_64BIT_MASK;
+ sys_props.platform_id = dev->oem_id64;
sys_props.platform_oem = *((uint64_t *)dev->oem_table_id);
sys_props.platform_rev = dev->oem_revision;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index d4718d58d0f2..7230b5b5bfe5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -172,7 +172,10 @@ struct kfd_topology_device {
struct attribute attr_gpuid;
struct attribute attr_name;
struct attribute attr_props;
- uint8_t oem_id[CRAT_OEMID_LENGTH];
+ union {
+ uint8_t oem_id[CRAT_OEMID_LENGTH];
+ uint64_t oem_id64;
+ };
uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
uint32_t oem_revision;
};
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 3bfc4aa328c6..869b38908b28 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2263,7 +2263,10 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
/* There is one primary plane per CRTC */
primary_planes = dm->dc->caps.max_streams;
- ASSERT(primary_planes <= AMDGPU_MAX_PLANES);
+ if (primary_planes > AMDGPU_MAX_PLANES) {
+ DRM_ERROR("DM: Plane nums out of 6 planes\n");
+ return -EINVAL;
+ }
/*
* Initialize primary planes, implicit planes for legacy IOCTLS.
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 9f301f8575a5..fec3ca955b26 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -453,7 +453,8 @@ void build_watermark_ranges(struct clk_bw_params *bw_params, struct pp_smu_wm_ra
ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
/* Modify previous watermark range to cover up to max */
- ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
+ if (num_valid_sets > 0)
+ ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;
}
num_valid_sets++;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
index cd8bc92ce3ba..4058a4fd6b22 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c
@@ -690,6 +690,9 @@ static void wbscl_set_scaler_filter(
int pair;
uint16_t odd_coef, even_coef;
+ if (!filter)
+ return;
+
for (phase = 0; phase < (NUM_PHASES / 2 + 1); phase++) {
for (pair = 0; pair < tap_pairs; pair++) {
even_coef = filter[phase * taps + 2 * pair];
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
index 0be817f8cae6..a61cec470d28 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
@@ -58,7 +58,7 @@ struct gpio_service *dal_gpio_service_create(
struct dc_context *ctx)
{
struct gpio_service *service;
- uint32_t index_of_id;
+ int32_t index_of_id;
service = kzalloc(sizeof(struct gpio_service), GFP_KERNEL);
@@ -114,7 +114,7 @@ struct gpio_service *dal_gpio_service_create(
return service;
failure_2:
- while (index_of_id) {
+ while (index_of_id > 0) {
--index_of_id;
kfree(service->busyness[index_of_id]);
}
@@ -242,6 +242,9 @@ static bool is_pin_busy(
enum gpio_id id,
uint32_t en)
{
+ if (id == GPIO_ID_UNKNOWN)
+ return false;
+
return service->busyness[id][en];
}
@@ -250,6 +253,9 @@ static void set_pin_busy(
enum gpio_id id,
uint32_t en)
{
+ if (id == GPIO_ID_UNKNOWN)
+ return;
+
service->busyness[id][en] = true;
}
@@ -258,6 +264,9 @@ static void set_pin_free(
enum gpio_id id,
uint32_t en)
{
+ if (id == GPIO_ID_UNKNOWN)
+ return;
+
service->busyness[id][en] = false;
}
@@ -266,7 +275,7 @@ enum gpio_result dal_gpio_service_lock(
enum gpio_id id,
uint32_t en)
{
- if (!service->busyness[id]) {
+ if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) {
ASSERT_CRITICAL(false);
return GPIO_RESULT_OPEN_FAILED;
}
@@ -280,7 +289,7 @@ enum gpio_result dal_gpio_service_unlock(
enum gpio_id id,
uint32_t en)
{
- if (!service->busyness[id]) {
+ if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) {
ASSERT_CRITICAL(false);
return GPIO_RESULT_OPEN_FAILED;
}
diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c
index 43de9dfcba19..f1091cb87de0 100644
--- a/drivers/gpu/drm/drm_panel_orientation_quirks.c
+++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c
@@ -318,6 +318,12 @@ static const struct dmi_system_id orientation_data[] = {
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"),
},
.driver_data = (void *)&lcd1600x2560_leftside_up,
+ }, { /* OrangePi Neo */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "OrangePi"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "NEO-01"),
+ },
+ .driver_data = (void *)&lcd1200x1920_rightside_up,
}, { /* Samsung GalaxyBook 10.6 */
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index b3fd6ff665da..8f20668a860e 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -38,7 +38,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
debug_object_init(fence, &i915_sw_fence_debug_descr);
}
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
{
debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr);
}
@@ -64,7 +64,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
debug_object_destroy(fence, &i915_sw_fence_debug_descr);
}
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
{
debug_object_free(fence, &i915_sw_fence_debug_descr);
smp_wmb(); /* flush the change in state before reallocation */
@@ -81,7 +81,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
{
}
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
{
}
@@ -102,7 +102,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
{
}
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
{
}
diff --git a/drivers/hid/hid-cougar.c b/drivers/hid/hid-cougar.c
index 4ff3bc1d25e2..5294299afb26 100644
--- a/drivers/hid/hid-cougar.c
+++ b/drivers/hid/hid-cougar.c
@@ -106,7 +106,7 @@ static void cougar_fix_g6_mapping(void)
static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
- if (rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
+ if (*rsize >= 117 && rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
(rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) {
hid_info(hdev,
"usage count exceeds max: fixing up report descriptor\n");
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index a1cfa7596853..01a2eeb2ec96 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1908,6 +1908,7 @@ void vmbus_device_unregister(struct hv_device *device_obj)
*/
device_unregister(&device_obj->device);
}
+EXPORT_SYMBOL_GPL(vmbus_device_unregister);
/*
diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index f9edec195c35..08d8bd72ec0e 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -176,7 +176,7 @@ static ssize_t adc128_in_store(struct device *dev,
mutex_lock(&data->update_lock);
/* 10 mV LSB on limit registers */
- regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255);
+ regval = DIV_ROUND_CLOSEST(clamp_val(val, 0, 2550), 10);
data->in[index][nr] = regval << 4;
reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr);
i2c_smbus_write_byte_data(data->client, reg, regval);
@@ -214,7 +214,7 @@ static ssize_t adc128_temp_store(struct device *dev,
return err;
mutex_lock(&data->update_lock);
- regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+ regval = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000);
data->temp[index] = regval << 1;
i2c_smbus_write_byte_data(data->client,
index == 1 ? ADC128_REG_TEMP_MAX
diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c
index 8a2a2a490496..c49aaf0d710f 100644
--- a/drivers/hwmon/lm95234.c
+++ b/drivers/hwmon/lm95234.c
@@ -301,7 +301,8 @@ static ssize_t tcrit2_store(struct device *dev, struct device_attribute *attr,
if (ret < 0)
return ret;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, index ? 255 : 127);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, (index ? 255 : 127) * 1000),
+ 1000);
mutex_lock(&data->update_lock);
data->tcrit2[index] = val;
@@ -350,7 +351,7 @@ static ssize_t tcrit1_store(struct device *dev, struct device_attribute *attr,
if (ret < 0)
return ret;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000);
mutex_lock(&data->update_lock);
data->tcrit1[index] = val;
@@ -391,7 +392,7 @@ static ssize_t tcrit1_hyst_store(struct device *dev,
if (ret < 0)
return ret;
- val = DIV_ROUND_CLOSEST(val, 1000);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, -255000, 255000), 1000);
val = clamp_val((int)data->tcrit1[index] - val, 0, 31);
mutex_lock(&data->update_lock);
@@ -431,7 +432,7 @@ static ssize_t offset_store(struct device *dev, struct device_attribute *attr,
return ret;
/* Accuracy is 1/2 degrees C */
- val = clamp_val(DIV_ROUND_CLOSEST(val, 500), -128, 127);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, -64000, 63500), 500);
mutex_lock(&data->update_lock);
data->toffset[index] = val;
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index ba9b96973e80..da6bbfca15fe 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -2374,7 +2374,7 @@ store_temp_offset(struct device *dev, struct device_attribute *attr,
if (err < 0)
return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000);
mutex_lock(&data->update_lock);
data->temp_offset[nr] = val;
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index eb171d15ac48..e4e5bb911558 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1506,7 +1506,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr,
if (err < 0)
return err;
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000);
mutex_lock(&data->update_lock);
data->target_temp[nr] = val;
@@ -1532,7 +1532,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
return err;
/* Limit the temp to 0C - 15C */
- val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
+ val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 15000), 1000);
mutex_lock(&data->update_lock);
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index bea4a75e92f1..19acca31af50 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -158,7 +158,7 @@ struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
ret = dma_get_slave_caps(chan, &caps);
if (ret < 0)
- goto err_free;
+ goto err_release;
/* Needs to be aligned to the maximum of the minimums */
if (caps.src_addr_widths)
@@ -183,6 +183,8 @@ struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
return &dmaengine_buffer->queue.buffer;
+err_release:
+ dma_release_channel(chan);
err_free:
kfree(dmaengine_buffer);
return ERR_PTR(ret);
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index d00f3045557c..730c821b5221 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -637,17 +637,17 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
break;
case IIO_VAL_INT_PLUS_MICRO:
if (scale_val2 < 0)
- *processed = -raw64 * scale_val;
+ *processed = -raw64 * scale_val * scale;
else
- *processed = raw64 * scale_val;
+ *processed = raw64 * scale_val * scale;
*processed += div_s64(raw64 * (s64)scale_val2 * scale,
1000000LL);
break;
case IIO_VAL_INT_PLUS_NANO:
if (scale_val2 < 0)
- *processed = -raw64 * scale_val;
+ *processed = -raw64 * scale_val * scale;
else
- *processed = raw64 * scale_val;
+ *processed = raw64 * scale_val * scale;
*processed += div_s64(raw64 * (s64)scale_val2 * scale,
1000000000LL);
break;
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 002654ec7040..e707da0b1fe2 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -416,6 +416,20 @@ static int uinput_validate_absinfo(struct input_dev *dev, unsigned int code,
return -EINVAL;
}
+ /*
+ * Limit number of contacts to a reasonable value (100). This
+ * ensures that we need less than 2 pages for struct input_mt
+ * (we are not using in-kernel slot assignment so not going to
+ * allocate memory for the "red" table), and we should have no
+ * trouble getting this much memory.
+ */
+ if (code == ABS_MT_SLOT && max > 99) {
+ printk(KERN_DEBUG
+ "%s: unreasonably large number of slots requested: %d\n",
+ UINPUT_NAME, max);
+ return -EINVAL;
+ }
+
return 0;
}
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 36900d65386f..a4805d17317d 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1294,7 +1294,7 @@ int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu)
*/
writel(qi->free_head << shift, iommu->reg + DMAR_IQT_REG);
- while (qi->desc_status[wait_index] != QI_DONE) {
+ while (READ_ONCE(qi->desc_status[wait_index]) != QI_DONE) {
/*
* We will leave the interrupts disabled, to prevent interrupt
* context to queue another cmd while a cmd is already submitted
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index 0fd428db3aa4..73c386aba368 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -346,6 +346,10 @@ static struct irq_chip armada_370_xp_irq_chip = {
static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
unsigned int virq, irq_hw_number_t hw)
{
+ /* IRQs 0 and 1 cannot be mapped, they are handled internally */
+ if (hw <= 1)
+ return -EINVAL;
+
armada_370_xp_irq_mask(irq_get_irq_data(virq));
if (!is_percpu_irq(hw))
writel(hw, per_cpu_int_base +
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index e88e75c22b6a..11efd6c6b111 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -441,12 +441,12 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle,
ret = gicv2m_init_one(&child->fwnode, spi_start, nr_spis,
&res, 0);
- if (ret) {
- of_node_put(child);
+ if (ret)
break;
- }
}
+ if (ret && child)
+ of_node_put(child);
if (!ret)
ret = gicv2m_allocate_domains(parent);
if (ret)
diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c
index b869316d3722..4a8bbe0391a2 100644
--- a/drivers/md/dm-init.c
+++ b/drivers/md/dm-init.c
@@ -207,8 +207,10 @@ static char __init *dm_parse_device_entry(struct dm_device *dev, char *str)
strscpy(dev->dmi.uuid, field[1], sizeof(dev->dmi.uuid));
/* minor */
if (strlen(field[2])) {
- if (kstrtoull(field[2], 0, &dev->dmi.dev))
+ if (kstrtoull(field[2], 0, &dev->dmi.dev) ||
+ dev->dmi.dev >= (1 << MINORBITS))
return ERR_PTR(-EINVAL);
+ dev->dmi.dev = huge_encode_dev((dev_t)dev->dmi.dev);
dev->dmi.flags |= DM_PERSISTENT_DEV_FLAG;
}
/* flags */
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 2483641799df..2db9229d5601 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -431,8 +431,11 @@ static int camss_of_parse_endpoint_node(struct device *dev,
struct v4l2_fwnode_bus_mipi_csi2 *mipi_csi2;
struct v4l2_fwnode_endpoint vep = { { 0 } };
unsigned int i;
+ int ret;
- v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+ ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(node), &vep);
+ if (ret)
+ return ret;
csd->interface.csiphy_id = vep.base.port;
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 0caa57a6782a..6d1a7e02da51 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -887,16 +887,26 @@ static int uvc_parse_streaming(struct uvc_device *dev,
goto error;
}
- size = nformats * sizeof(*format) + nframes * sizeof(*frame)
+ /*
+ * Allocate memory for the formats, the frames and the intervals,
+ * plus any required padding to guarantee that everything has the
+ * correct alignment.
+ */
+ size = nformats * sizeof(*format);
+ size = ALIGN(size, __alignof__(*frame)) + nframes * sizeof(*frame);
+ size = ALIGN(size, __alignof__(*interval))
+ nintervals * sizeof(*interval);
+
format = kzalloc(size, GFP_KERNEL);
- if (format == NULL) {
+ if (!format) {
ret = -ENOMEM;
goto error;
}
- frame = (struct uvc_frame *)&format[nformats];
- interval = (u32 *)&frame[nframes];
+ frame = (void *)format + nformats * sizeof(*format);
+ frame = PTR_ALIGN(frame, __alignof__(*frame));
+ interval = (void *)frame + nframes * sizeof(*frame);
+ interval = PTR_ALIGN(interval, __alignof__(*interval));
streaming->format = format;
streaming->nformats = nformats;
diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c
index 692daa9eff34..19c9d2cdd277 100644
--- a/drivers/misc/vmw_vmci/vmci_resource.c
+++ b/drivers/misc/vmw_vmci/vmci_resource.c
@@ -144,7 +144,8 @@ void vmci_resource_remove(struct vmci_resource *resource)
spin_lock(&vmci_resource_table.lock);
hlist_for_each_entry(r, &vmci_resource_table.entries[idx], node) {
- if (vmci_handle_is_equal(r->handle, resource->handle)) {
+ if (vmci_handle_is_equal(r->handle, resource->handle) &&
+ resource->type == r->type) {
hlist_del_init_rcu(&r->node);
break;
}
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 78e20327828a..7c5ce9c96841 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2831,8 +2831,8 @@ static int dw_mci_init_slot(struct dw_mci *host)
if (host->use_dma == TRANS_MODE_IDMAC) {
mmc->max_segs = host->ring_size;
mmc->max_blk_size = 65535;
- mmc->max_seg_size = 0x1000;
- mmc->max_req_size = mmc->max_seg_size * host->ring_size;
+ mmc->max_req_size = DW_MCI_DESC_DATA_LENGTH * host->ring_size;
+ mmc->max_seg_size = mmc->max_req_size;
mmc->max_blk_count = mmc->max_req_size / 512;
} else if (host->use_dma == TRANS_MODE_EDMAC) {
mmc->max_segs = 64;
diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c
index 47ddded57000..792806a925ab 100644
--- a/drivers/mmc/host/sdhci-of-aspeed.c
+++ b/drivers/mmc/host/sdhci-of-aspeed.c
@@ -224,6 +224,7 @@ static const struct of_device_id aspeed_sdhci_of_match[] = {
{ .compatible = "aspeed,ast2600-sdhci", },
{ }
};
+MODULE_DEVICE_TABLE(of, aspeed_sdhci_of_match);
static struct platform_driver aspeed_sdhci_driver = {
.driver = {
diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c
index a1dd82d25ce3..b95e7920f273 100644
--- a/drivers/net/dsa/vitesse-vsc73xx-core.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-core.c
@@ -34,7 +34,7 @@
#define VSC73XX_BLOCK_ANALYZER 0x2 /* Only subblock 0 */
#define VSC73XX_BLOCK_MII 0x3 /* Subblocks 0 and 1 */
#define VSC73XX_BLOCK_MEMINIT 0x3 /* Only subblock 2 */
-#define VSC73XX_BLOCK_CAPTURE 0x4 /* Only subblock 2 */
+#define VSC73XX_BLOCK_CAPTURE 0x4 /* Subblocks 0-4, 6, 7 */
#define VSC73XX_BLOCK_ARBITER 0x5 /* Only subblock 0 */
#define VSC73XX_BLOCK_SYSTEM 0x7 /* Only subblock 0 */
@@ -360,13 +360,19 @@ int vsc73xx_is_addr_valid(u8 block, u8 subblock)
break;
case VSC73XX_BLOCK_MII:
- case VSC73XX_BLOCK_CAPTURE:
case VSC73XX_BLOCK_ARBITER:
switch (subblock) {
case 0 ... 1:
return 1;
}
break;
+ case VSC73XX_BLOCK_CAPTURE:
+ switch (subblock) {
+ case 0 ... 4:
+ case 6 ... 7:
+ return 1;
+ }
+ break;
}
return 0;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index cceff1515ea1..884beeb67a1f 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6522,10 +6522,20 @@ static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
static void igb_tsync_interrupt(struct igb_adapter *adapter)
{
+ const u32 mask = (TSINTR_SYS_WRAP | E1000_TSICR_TXTS |
+ TSINTR_TT0 | TSINTR_TT1 |
+ TSINTR_AUTT0 | TSINTR_AUTT1);
struct e1000_hw *hw = &adapter->hw;
u32 tsicr = rd32(E1000_TSICR);
struct ptp_clock_event event;
+ if (hw->mac.type == e1000_82580) {
+ /* 82580 has a hardware bug that requires an explicit
+ * write to clear the TimeSync interrupt cause.
+ */
+ wr32(E1000_TSICR, tsicr & mask);
+ }
+
if (tsicr & TSINTR_SYS_WRAP) {
event.type = PTP_CLOCK_PPS;
if (adapter->ptp_caps.pps)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 7adad91617d8..20e5e0406c88 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -143,7 +143,7 @@ static int ionic_request_irq(struct ionic_lif *lif, struct ionic_qcq *qcq)
name = dev_name(dev);
snprintf(intr->name, sizeof(intr->name),
- "%s-%s-%s", IONIC_DRV_NAME, name, q->name);
+ "%.5s-%.16s-%.8s", IONIC_DRV_NAME, name, q->name);
return devm_request_irq(dev, intr->vector, ionic_isr,
0, intr->name, &qcq->napi);
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
index 9df3c1ffff35..6ed8da85b081 100644
--- a/drivers/net/usb/ch9200.c
+++ b/drivers/net/usb/ch9200.c
@@ -338,6 +338,7 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf)
{
int retval = 0;
unsigned char data[2];
+ u8 addr[ETH_ALEN];
retval = usbnet_get_endpoints(dev, intf);
if (retval)
@@ -385,7 +386,8 @@ static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf)
retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02,
CONTROL_TIMEOUT_MS);
- retval = get_mac_address(dev, dev->net->dev_addr);
+ retval = get_mac_address(dev, addr);
+ eth_hw_addr_set(dev->net, addr);
return retval;
}
diff --git a/drivers/net/usb/cx82310_eth.c b/drivers/net/usb/cx82310_eth.c
index 32b08b18e120..a7356c5e750c 100644
--- a/drivers/net/usb/cx82310_eth.c
+++ b/drivers/net/usb/cx82310_eth.c
@@ -40,6 +40,11 @@ enum cx82310_status {
#define CX82310_MTU 1514
#define CMD_EP 0x01
+struct cx82310_priv {
+ struct work_struct reenable_work;
+ struct usbnet *dev;
+};
+
/*
* execute control command
* - optionally send some data (command parameters)
@@ -115,6 +120,23 @@ static int cx82310_cmd(struct usbnet *dev, enum cx82310_cmd cmd, bool reply,
return ret;
}
+static int cx82310_enable_ethernet(struct usbnet *dev)
+{
+ int ret = cx82310_cmd(dev, CMD_ETHERNET_MODE, true, "\x01", 1, NULL, 0);
+
+ if (ret)
+ netdev_err(dev->net, "unable to enable ethernet mode: %d\n",
+ ret);
+ return ret;
+}
+
+static void cx82310_reenable_work(struct work_struct *work)
+{
+ struct cx82310_priv *priv = container_of(work, struct cx82310_priv,
+ reenable_work);
+ cx82310_enable_ethernet(priv->dev);
+}
+
#define partial_len data[0] /* length of partial packet data */
#define partial_rem data[1] /* remaining (missing) data length */
#define partial_data data[2] /* partial packet data */
@@ -126,6 +148,8 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
struct usb_device *udev = dev->udev;
u8 link[3];
int timeout = 50;
+ struct cx82310_priv *priv;
+ u8 addr[ETH_ALEN];
/* avoid ADSL modems - continue only if iProduct is "USB NET CARD" */
if (usb_string(udev, udev->descriptor.iProduct, buf, sizeof(buf)) > 0
@@ -152,6 +176,15 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
if (!dev->partial_data)
return -ENOMEM;
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ ret = -ENOMEM;
+ goto err_partial;
+ }
+ dev->driver_priv = priv;
+ INIT_WORK(&priv->reenable_work, cx82310_reenable_work);
+ priv->dev = dev;
+
/* wait for firmware to become ready (indicated by the link being up) */
while (--timeout) {
ret = cx82310_cmd(dev, CMD_GET_LINK_STATUS, true, NULL, 0,
@@ -168,20 +201,17 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
}
/* enable ethernet mode (?) */
- ret = cx82310_cmd(dev, CMD_ETHERNET_MODE, true, "\x01", 1, NULL, 0);
- if (ret) {
- dev_err(&udev->dev, "unable to enable ethernet mode: %d\n",
- ret);
+ ret = cx82310_enable_ethernet(dev);
+ if (ret)
goto err;
- }
/* get the MAC address */
- ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0,
- dev->net->dev_addr, ETH_ALEN);
+ ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, addr, ETH_ALEN);
if (ret) {
dev_err(&udev->dev, "unable to read MAC address: %d\n", ret);
goto err;
}
+ eth_hw_addr_set(dev->net, addr);
/* start (does not seem to have any effect?) */
ret = cx82310_cmd(dev, CMD_START, false, NULL, 0, NULL, 0);
@@ -190,13 +220,19 @@ static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
return 0;
err:
+ kfree(dev->driver_priv);
+err_partial:
kfree((void *)dev->partial_data);
return ret;
}
static void cx82310_unbind(struct usbnet *dev, struct usb_interface *intf)
{
+ struct cx82310_priv *priv = dev->driver_priv;
+
kfree((void *)dev->partial_data);
+ cancel_work_sync(&priv->reenable_work);
+ kfree(dev->driver_priv);
}
/*
@@ -211,6 +247,7 @@ static int cx82310_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
int len;
struct sk_buff *skb2;
+ struct cx82310_priv *priv = dev->driver_priv;
/*
* If the last skb ended with an incomplete packet, this skb contains
@@ -245,7 +282,10 @@ static int cx82310_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
break;
}
- if (len > CX82310_MTU) {
+ if (len == 0xffff) {
+ netdev_info(dev->net, "router was rebooted, re-enabling ethernet mode");
+ schedule_work(&priv->reenable_work);
+ } else if (len > CX82310_MTU) {
dev_err(&dev->udev->dev, "RX packet too long: %d B\n",
len);
return 0;
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 73ad78f47763..05576f66f73d 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -353,8 +353,8 @@ static int ipheth_close(struct net_device *net)
{
struct ipheth_device *dev = netdev_priv(net);
- cancel_delayed_work_sync(&dev->carrier_work);
netif_stop_queue(net);
+ cancel_delayed_work_sync(&dev->carrier_work);
return 0;
}
@@ -443,7 +443,7 @@ static int ipheth_probe(struct usb_interface *intf,
netdev->netdev_ops = &ipheth_netdev_ops;
netdev->watchdog_timeo = IPHETH_TX_TIMEOUT;
- strcpy(netdev->name, "eth%d");
+ strscpy(netdev->name, "eth%d", sizeof(netdev->name));
dev = netdev_priv(netdev);
dev->udev = udev;
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 8e210ba4a313..243e2b55aabe 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1127,8 +1127,7 @@ static int kaweth_probe(
goto err_all_but_rxbuf;
memcpy(netdev->broadcast, &bcast_addr, sizeof(bcast_addr));
- memcpy(netdev->dev_addr, &kaweth->configuration.hw_addr,
- sizeof(kaweth->configuration.hw_addr));
+ eth_hw_addr_set(netdev, (u8 *)&kaweth->configuration.hw_addr);
netdev->netdev_ops = &kaweth_netdev_ops;
netdev->watchdog_timeo = KAWETH_TX_TIMEOUT;
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 7e40e2e2f372..57281296ba2c 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -480,17 +480,19 @@ static const struct net_device_ops mcs7830_netdev_ops = {
static int mcs7830_bind(struct usbnet *dev, struct usb_interface *udev)
{
struct net_device *net = dev->net;
+ u8 addr[ETH_ALEN];
int ret;
int retry;
/* Initial startup: Gather MAC address setting from EEPROM */
ret = -EINVAL;
for (retry = 0; retry < 5 && ret; retry++)
- ret = mcs7830_hif_get_mac_address(dev, net->dev_addr);
+ ret = mcs7830_hif_get_mac_address(dev, addr);
if (ret) {
dev_warn(&dev->udev->dev, "Cannot read MAC address\n");
goto out;
}
+ eth_hw_addr_set(net, addr);
mcs7830_data_set_multicast(net);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 3e219cf4dd85..cce5ee84d29d 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1387,6 +1387,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */
{QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */
{QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */
+ {QMI_FIXED_INTF(0x2dee, 0x4d22, 5)}, /* MeiG Smart SRM825L */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 34c1eaba536c..6f9ec5ce61dc 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -674,6 +674,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00};
static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = {
0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00};
+ u8 mod[2];
dev_dbg(&dev->udev->dev, "%s", __func__);
@@ -703,8 +704,9 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->netdev_ops = &sierra_net_device_ops;
/* change MAC addr to include, ifacenum, and to be unique */
- dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter);
- dev->net->dev_addr[ETH_ALEN-1] = ifacenum;
+ mod[0] = atomic_inc_return(&iface_counter);
+ mod[1] = ifacenum;
+ dev_addr_mod(dev->net, ETH_ALEN - 2, mod, 2);
/* prepare shutdown message template */
memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg));
diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c
index 8d2e3daf03cf..1ec11a08820d 100644
--- a/drivers/net/usb/sr9700.c
+++ b/drivers/net/usb/sr9700.c
@@ -326,6 +326,7 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf)
{
struct net_device *netdev;
struct mii_if_info *mii;
+ u8 addr[ETH_ALEN];
int ret;
ret = usbnet_get_endpoints(dev, intf);
@@ -356,11 +357,12 @@ static int sr9700_bind(struct usbnet *dev, struct usb_interface *intf)
* EEPROM automatically to PAR. In case there is no EEPROM externally,
* a default MAC address is stored in PAR for making chip work properly.
*/
- if (sr_read(dev, SR_PAR, ETH_ALEN, netdev->dev_addr) < 0) {
+ if (sr_read(dev, SR_PAR, ETH_ALEN, addr) < 0) {
netdev_err(netdev, "Error reading MAC address\n");
ret = -ENODEV;
goto out;
}
+ eth_hw_addr_set(netdev, addr);
/* power up and reset phy */
sr_write_reg(dev, SR_PRR, PRR_PHY_RST);
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index a5332e99102a..351e0edcda2a 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -731,6 +731,7 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf)
struct sr_data *data = (struct sr_data *)&dev->data;
u16 led01_mux, led23_mux;
int ret, embd_phy;
+ u8 addr[ETH_ALEN];
u32 phyid;
u16 rx_ctl;
@@ -756,12 +757,12 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf)
}
/* Get the MAC address */
- ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN,
- dev->net->dev_addr);
+ ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, addr);
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
}
+ eth_hw_addr_set(dev->net, addr);
netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr);
/* Initialize MII structure */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index bc37e268a15e..240511b4246d 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -67,9 +67,6 @@
/*-------------------------------------------------------------------------*/
-// randomly generated ethernet address
-static u8 node_id [ETH_ALEN];
-
/* use ethtool to change the level for any given device */
static int msg_level = -1;
module_param (msg_level, int, 0);
@@ -151,12 +148,13 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
{
+ u8 addr[ETH_ALEN];
int tmp = -1, ret;
unsigned char buf [13];
ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
if (ret == 12)
- tmp = hex2bin(dev->net->dev_addr, buf, 6);
+ tmp = hex2bin(addr, buf, 6);
if (tmp < 0) {
dev_dbg(&dev->udev->dev,
"bad MAC string %d fetch, %d\n", iMACAddress, tmp);
@@ -164,6 +162,7 @@ int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
ret = -EINVAL;
return ret;
}
+ eth_hw_addr_set(dev->net, addr);
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr);
@@ -1711,8 +1710,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
dev->interrupt_count = 0;
dev->net = net;
- strcpy (net->name, "usb%d");
- memcpy (net->dev_addr, node_id, sizeof node_id);
+ strscpy(net->name, "usb%d", sizeof(net->name));
/* rx and tx sides can use different message sizes;
* bind() should set rx_urb_size in that case.
@@ -1738,13 +1736,13 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
if ((dev->driver_info->flags & FLAG_ETHER) != 0 &&
((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 ||
(net->dev_addr [0] & 0x02) == 0))
- strcpy (net->name, "eth%d");
+ strscpy(net->name, "eth%d", sizeof(net->name));
/* WLAN devices should always be named "wlan%d" */
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
- strcpy(net->name, "wlan%d");
+ strscpy(net->name, "wlan%d", sizeof(net->name));
/* WWAN devices should always be named "wwan%d" */
if ((dev->driver_info->flags & FLAG_WWAN) != 0)
- strcpy(net->name, "wwan%d");
+ strscpy(net->name, "wwan%d", sizeof(net->name));
/* devices that cannot do ARP */
if ((dev->driver_info->flags & FLAG_NOARP) != 0)
@@ -1786,9 +1784,9 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
goto out4;
}
- /* let userspace know we have a random address */
- if (ether_addr_equal(net->dev_addr, node_id))
- net->addr_assign_type = NET_ADDR_RANDOM;
+ /* this flags the device for user space */
+ if (!is_valid_ether_addr(net->dev_addr))
+ eth_hw_addr_random(net);
if ((dev->driver_info->flags & FLAG_WLAN) != 0)
SET_NETDEV_DEVTYPE(net, &wlan_type);
@@ -2198,7 +2196,6 @@ static int __init usbnet_init(void)
BUILD_BUG_ON(
FIELD_SIZEOF(struct sk_buff, cb) < sizeof(struct skb_data));
- eth_random_addr(node_id);
return 0;
}
module_init(usbnet_init);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ef8770093c48..182b67270044 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1479,7 +1479,7 @@ static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q)
return false;
}
-static void virtnet_poll_cleantx(struct receive_queue *rq)
+static void virtnet_poll_cleantx(struct receive_queue *rq, int budget)
{
struct virtnet_info *vi = rq->vq->vdev->priv;
unsigned int index = vq2rxq(rq->vq);
@@ -1490,7 +1490,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq)
return;
if (__netif_tx_trylock(txq)) {
- free_old_xmit_skbs(sq, true);
+ free_old_xmit_skbs(sq, !!budget);
__netif_tx_unlock(txq);
}
@@ -1507,7 +1507,7 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
unsigned int received;
unsigned int xdp_xmit = 0;
- virtnet_poll_cleantx(rq);
+ virtnet_poll_cleantx(rq, budget);
received = virtnet_receive(rq, budget, &xdp_xmit);
@@ -1580,7 +1580,7 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget)
txq = netdev_get_tx_queue(vi->dev, index);
__netif_tx_lock(txq, raw_smp_processor_id());
virtqueue_disable_cb(sq->vq);
- free_old_xmit_skbs(sq, true);
+ free_old_xmit_skbs(sq, !!budget);
opaque = virtqueue_enable_cb_prepare(sq->vq);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
index 288d4d4d4454..eb735b054790 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
@@ -1091,6 +1091,7 @@ static int ieee_hw_init(struct ieee80211_hw *hw)
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
+ ieee80211_hw_set(hw, MFP_CAPABLE);
hw->extra_tx_headroom = brcms_c_get_header_len();
hw->queues = N_TX_QUEUES;
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index fa5634af40f7..2e7f31bf3800 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -1307,6 +1307,9 @@ mwifiex_get_priv_by_id(struct mwifiex_adapter *adapter,
for (i = 0; i < adapter->priv_num; i++) {
if (adapter->priv[i]) {
+ if (adapter->priv[i]->bss_mode == NL80211_IFTYPE_UNSPECIFIED)
+ continue;
+
if ((adapter->priv[i]->bss_num == bss_num) &&
(adapter->priv[i]->bss_type == bss_type))
break;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index fa6e7fbf356e..11c8506e04ca 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1751,8 +1751,10 @@ static u16 nvmet_tcp_install_queue(struct nvmet_sq *sq)
}
queue->nr_cmds = sq->size * 2;
- if (nvmet_tcp_alloc_cmds(queue))
+ if (nvmet_tcp_alloc_cmds(queue)) {
+ queue->nr_cmds = 0;
return NVME_SC_INTERNAL;
+ }
return 0;
}
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index cde1d77845fe..01a17505a2fc 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -684,13 +684,13 @@ void nvmem_device_put(struct nvmem_device *nvmem)
EXPORT_SYMBOL_GPL(nvmem_device_put);
/**
- * devm_nvmem_device_get() - Get nvmem cell of device form a given id
+ * devm_nvmem_device_get() - Get nvmem device of device form a given id
*
* @dev: Device that requests the nvmem device.
* @id: name id for the requested nvmem device.
*
- * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_cell
- * on success. The nvmem_cell will be freed by the automatically once the
+ * Return: ERR_PTR() on error or a valid pointer to a struct nvmem_device
+ * on success. The nvmem_device will be freed by the automatically once the
* device is freed.
*/
struct nvmem_device *devm_nvmem_device_get(struct device *dev, const char *id)
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 352e14b007e7..ad0cb49e233a 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -288,7 +288,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar
struct device_node *p;
const __be32 *addr;
u32 intsize;
- int i, res;
+ int i, res, addr_len;
+ __be32 addr_buf[3] = { 0 };
pr_debug("of_irq_parse_one: dev=%pOF, index=%d\n", device, index);
@@ -297,13 +298,19 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar
return of_irq_parse_oldworld(device, index, out_irq);
/* Get the reg property (if any) */
- addr = of_get_property(device, "reg", NULL);
+ addr = of_get_property(device, "reg", &addr_len);
+
+ /* Prevent out-of-bounds read in case of longer interrupt parent address size */
+ if (addr_len > (3 * sizeof(__be32)))
+ addr_len = 3 * sizeof(__be32);
+ if (addr)
+ memcpy(addr_buf, addr, addr_len);
/* Try the new-style interrupts-extended first */
res = of_parse_phandle_with_args(device, "interrupts-extended",
"#interrupt-cells", index, out_irq);
if (!res)
- return of_irq_parse_raw(addr, out_irq);
+ return of_irq_parse_raw(addr_buf, out_irq);
/* Look for the interrupt parent. */
p = of_irq_find_parent(device);
@@ -333,7 +340,7 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar
/* Check if there are any interrupt-map translations to process */
- res = of_irq_parse_raw(addr, out_irq);
+ res = of_irq_parse_raw(addr_buf, out_irq);
out:
of_node_put(p);
return res;
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index b18ddb2b9ef8..a16fe2a558c7 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -35,6 +35,11 @@
#define PCIE_DEVICEID_SHIFT 16
/* Application registers */
+#define PID 0x000
+#define RTL GENMASK(15, 11)
+#define RTL_SHIFT 11
+#define AM6_PCI_PG1_RTL_VER 0x15
+
#define CMD_STATUS 0x004
#define LTSSM_EN_VAL BIT(0)
#define OB_XLAT_EN_VAL BIT(1)
@@ -107,6 +112,8 @@
#define to_keystone_pcie(x) dev_get_drvdata((x)->dev)
+#define PCI_DEVICE_ID_TI_AM654X 0xb00c
+
struct ks_pcie_of_data {
enum dw_pcie_device_mode mode;
const struct dw_pcie_host_ops *host_ops;
@@ -534,7 +541,11 @@ static int ks_pcie_start_link(struct dw_pcie *pci)
static void ks_pcie_quirk(struct pci_dev *dev)
{
struct pci_bus *bus = dev->bus;
+ struct keystone_pcie *ks_pcie;
+ struct device *bridge_dev;
struct pci_dev *bridge;
+ u32 val;
+
static const struct pci_device_id rc_pci_devids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCIE_RC_K2HK),
.class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
@@ -546,6 +557,11 @@ static void ks_pcie_quirk(struct pci_dev *dev)
.class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
{ 0, },
};
+ static const struct pci_device_id am6_pci_devids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM654X),
+ .class = PCI_CLASS_BRIDGE_PCI << 8, .class_mask = ~0, },
+ { 0, },
+ };
if (pci_is_root_bus(bus))
bridge = dev;
@@ -567,10 +583,36 @@ static void ks_pcie_quirk(struct pci_dev *dev)
*/
if (pci_match_id(rc_pci_devids, bridge)) {
if (pcie_get_readrq(dev) > 256) {
- dev_info(&dev->dev, "limiting MRRS to 256\n");
+ dev_info(&dev->dev, "limiting MRRS to 256 bytes\n");
pcie_set_readrq(dev, 256);
}
}
+
+ /*
+ * Memory transactions fail with PCI controller in AM654 PG1.0
+ * when MRRS is set to more than 128 bytes. Force the MRRS to
+ * 128 bytes in all downstream devices.
+ */
+ if (pci_match_id(am6_pci_devids, bridge)) {
+ bridge_dev = pci_get_host_bridge_device(dev);
+ if (!bridge_dev && !bridge_dev->parent)
+ return;
+
+ ks_pcie = dev_get_drvdata(bridge_dev->parent);
+ if (!ks_pcie)
+ return;
+
+ val = ks_pcie_app_readl(ks_pcie, PID);
+ val &= RTL;
+ val >>= RTL_SHIFT;
+ if (val != AM6_PCI_PG1_RTL_VER)
+ return;
+
+ if (pcie_get_readrq(dev) > 128) {
+ dev_info(&dev->dev, "limiting MRRS to 128 bytes\n");
+ pcie_set_readrq(dev, 128);
+ }
+ }
}
DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, ks_pcie_quirk);
diff --git a/drivers/pci/hotplug/pnv_php.c b/drivers/pci/hotplug/pnv_php.c
index d7b2b47bc33e..382494261830 100644
--- a/drivers/pci/hotplug/pnv_php.c
+++ b/drivers/pci/hotplug/pnv_php.c
@@ -35,7 +35,6 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot,
bool disable_device)
{
struct pci_dev *pdev = php_slot->pdev;
- int irq = php_slot->irq;
u16 ctrl;
if (php_slot->irq > 0) {
@@ -54,7 +53,7 @@ static void pnv_php_disable_irq(struct pnv_php_slot *php_slot,
php_slot->wq = NULL;
}
- if (disable_device || irq > 0) {
+ if (disable_device) {
if (pdev->msix_enabled)
pci_disable_msix(pdev);
else if (pdev->msi_enabled)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index deafd229ef8b..41050a35631f 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5200,10 +5200,12 @@ static void pci_bus_lock(struct pci_bus *bus)
{
struct pci_dev *dev;
+ pci_dev_lock(bus->self);
list_for_each_entry(dev, &bus->devices, bus_list) {
- pci_dev_lock(dev);
if (dev->subordinate)
pci_bus_lock(dev->subordinate);
+ else
+ pci_dev_lock(dev);
}
}
@@ -5215,8 +5217,10 @@ static void pci_bus_unlock(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->subordinate)
pci_bus_unlock(dev->subordinate);
- pci_dev_unlock(dev);
+ else
+ pci_dev_unlock(dev);
}
+ pci_dev_unlock(bus->self);
}
/* Return 1 on successful lock, 0 on contention */
@@ -5224,15 +5228,15 @@ static int pci_bus_trylock(struct pci_bus *bus)
{
struct pci_dev *dev;
+ if (!pci_dev_trylock(bus->self))
+ return 0;
+
list_for_each_entry(dev, &bus->devices, bus_list) {
- if (!pci_dev_trylock(dev))
- goto unlock;
if (dev->subordinate) {
- if (!pci_bus_trylock(dev->subordinate)) {
- pci_dev_unlock(dev);
+ if (!pci_bus_trylock(dev->subordinate))
goto unlock;
- }
- }
+ } else if (!pci_dev_trylock(dev))
+ goto unlock;
}
return 1;
@@ -5240,8 +5244,10 @@ static int pci_bus_trylock(struct pci_bus *bus)
list_for_each_entry_continue_reverse(dev, &bus->devices, bus_list) {
if (dev->subordinate)
pci_bus_unlock(dev->subordinate);
- pci_dev_unlock(dev);
+ else
+ pci_dev_unlock(dev);
}
+ pci_dev_unlock(bus->self);
return 0;
}
@@ -5273,9 +5279,10 @@ static void pci_slot_lock(struct pci_slot *slot)
list_for_each_entry(dev, &slot->bus->devices, bus_list) {
if (!dev->slot || dev->slot != slot)
continue;
- pci_dev_lock(dev);
if (dev->subordinate)
pci_bus_lock(dev->subordinate);
+ else
+ pci_dev_lock(dev);
}
}
@@ -5301,14 +5308,13 @@ static int pci_slot_trylock(struct pci_slot *slot)
list_for_each_entry(dev, &slot->bus->devices, bus_list) {
if (!dev->slot || dev->slot != slot)
continue;
- if (!pci_dev_trylock(dev))
- goto unlock;
if (dev->subordinate) {
if (!pci_bus_trylock(dev->subordinate)) {
pci_dev_unlock(dev);
goto unlock;
}
- }
+ } else if (!pci_dev_trylock(dev))
+ goto unlock;
}
return 1;
@@ -5319,7 +5325,8 @@ static int pci_slot_trylock(struct pci_slot *slot)
continue;
if (dev->subordinate)
pci_bus_unlock(dev->subordinate);
- pci_dev_unlock(dev);
+ else
+ pci_dev_unlock(dev);
}
return 0;
}
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 810761ab8e9d..ba82ccb40db7 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -637,11 +637,11 @@ static int yenta_search_one_res(struct resource *root, struct resource *res,
start = PCIBIOS_MIN_CARDBUS_IO;
end = ~0U;
} else {
- unsigned long avail = root->end - root->start;
+ unsigned long avail = resource_size(root);
int i;
size = BRIDGE_MEM_MAX;
- if (size > avail/8) {
- size = (avail+1)/8;
+ if (size > (avail - 1) / 8) {
+ size = avail / 8;
/* round size down to next power of 2 */
i = 0;
while ((size /= 2) != 0)
diff --git a/drivers/platform/x86/dell-smbios-base.c b/drivers/platform/x86/dell-smbios-base.c
index ceb8e701028d..2f9c3c1f76f1 100644
--- a/drivers/platform/x86/dell-smbios-base.c
+++ b/drivers/platform/x86/dell-smbios-base.c
@@ -610,7 +610,10 @@ static int __init dell_smbios_init(void)
return 0;
fail_sysfs:
- free_group(platform_device);
+ if (!wmi)
+ exit_dell_smbios_wmi();
+ if (!smm)
+ exit_dell_smbios_smm();
fail_create_group:
platform_device_del(platform_device);
diff --git a/drivers/reset/hisilicon/hi6220_reset.c b/drivers/reset/hisilicon/hi6220_reset.c
index 84e761f454b6..2a7688fa9b9b 100644
--- a/drivers/reset/hisilicon/hi6220_reset.c
+++ b/drivers/reset/hisilicon/hi6220_reset.c
@@ -33,6 +33,7 @@
enum hi6220_reset_ctrl_type {
PERIPHERAL,
MEDIA,
+ AO,
};
struct hi6220_reset_data {
@@ -92,6 +93,65 @@ static const struct reset_control_ops hi6220_media_reset_ops = {
.deassert = hi6220_media_deassert,
};
+#define AO_SCTRL_SC_PW_CLKEN0 0x800
+#define AO_SCTRL_SC_PW_CLKDIS0 0x804
+
+#define AO_SCTRL_SC_PW_RSTEN0 0x810
+#define AO_SCTRL_SC_PW_RSTDIS0 0x814
+
+#define AO_SCTRL_SC_PW_ISOEN0 0x820
+#define AO_SCTRL_SC_PW_ISODIS0 0x824
+#define AO_MAX_INDEX 12
+
+static int hi6220_ao_assert(struct reset_controller_dev *rc_dev,
+ unsigned long idx)
+{
+ struct hi6220_reset_data *data = to_reset_data(rc_dev);
+ struct regmap *regmap = data->regmap;
+ int ret;
+
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_RSTEN0, BIT(idx));
+ if (ret)
+ return ret;
+
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_ISOEN0, BIT(idx));
+ if (ret)
+ return ret;
+
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_CLKDIS0, BIT(idx));
+ return ret;
+}
+
+static int hi6220_ao_deassert(struct reset_controller_dev *rc_dev,
+ unsigned long idx)
+{
+ struct hi6220_reset_data *data = to_reset_data(rc_dev);
+ struct regmap *regmap = data->regmap;
+ int ret;
+
+ /*
+ * It was suggested to disable isolation before enabling
+ * the clocks and deasserting reset, to avoid glitches.
+ * But this order is preserved to keep it matching the
+ * vendor code.
+ */
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_RSTDIS0, BIT(idx));
+ if (ret)
+ return ret;
+
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_ISODIS0, BIT(idx));
+ if (ret)
+ return ret;
+
+ ret = regmap_write(regmap, AO_SCTRL_SC_PW_CLKEN0, BIT(idx));
+ return ret;
+}
+
+static const struct reset_control_ops hi6220_ao_reset_ops = {
+ .assert = hi6220_ao_assert,
+ .deassert = hi6220_ao_deassert,
+};
+
static int hi6220_reset_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -117,9 +177,12 @@ static int hi6220_reset_probe(struct platform_device *pdev)
if (type == MEDIA) {
data->rc_dev.ops = &hi6220_media_reset_ops;
data->rc_dev.nr_resets = MEDIA_MAX_INDEX;
- } else {
+ } else if (type == PERIPHERAL) {
data->rc_dev.ops = &hi6220_peripheral_reset_ops;
data->rc_dev.nr_resets = PERIPH_MAX_INDEX;
+ } else {
+ data->rc_dev.ops = &hi6220_ao_reset_ops;
+ data->rc_dev.nr_resets = AO_MAX_INDEX;
}
return reset_controller_register(&data->rc_dev);
@@ -134,6 +197,10 @@ static const struct of_device_id hi6220_reset_match[] = {
.compatible = "hisilicon,hi6220-mediactrl",
.data = (void *)MEDIA,
},
+ {
+ .compatible = "hisilicon,hi6220-aoctrl",
+ .data = (void *)AO,
+ },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, hi6220_reset_match);
diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c
index 23026978a5a5..2e661a905a57 100644
--- a/drivers/staging/iio/frequency/ad9834.c
+++ b/drivers/staging/iio/frequency/ad9834.c
@@ -115,7 +115,7 @@ static int ad9834_write_frequency(struct ad9834_state *st,
clk_freq = clk_get_rate(st->mclk);
- if (fout > (clk_freq / 2))
+ if (!clk_freq || fout > (clk_freq / 2))
return -EINVAL;
regval = ad9834_calc_freqreg(clk_freq, fout);
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index bdf3932ee3f2..8ea5ae954243 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -104,10 +104,11 @@ static void hv_uio_channel_cb(void *context)
/*
* Callback from vmbus_event when channel is rescinded.
+ * It is meant for rescind of primary channels only.
*/
static void hv_uio_rescind(struct vmbus_channel *channel)
{
- struct hv_device *hv_dev = channel->primary_channel->device_obj;
+ struct hv_device *hv_dev = channel->device_obj;
struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev);
/*
@@ -118,6 +119,14 @@ static void hv_uio_rescind(struct vmbus_channel *channel)
/* Wake up reader */
uio_event_notify(&pdata->info);
+
+ /*
+ * With rescind callback registered, rescind path will not unregister the device
+ * from vmbus when the primary channel is rescinded.
+ * Without it, rescind handling is incomplete and next onoffer msg does not come.
+ * Unregister the device from vmbus here.
+ */
+ vmbus_device_unregister(channel->device_obj);
}
/* Sysfs API to allow mmap of the ring buffers
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 678903d1ce4d..7493b4d9d1f5 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -424,6 +424,7 @@ static void uas_data_cmplt(struct urb *urb)
uas_log_cmd_state(cmnd, "data cmplt err", status);
/* error: no data transfered */
scsi_set_resid(cmnd, sdb->length);
+ set_host_byte(cmnd, DID_ERROR);
} else {
scsi_set_resid(cmnd, sdb->length - urb->actual_length);
}
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index de87d0b8319d..179ad343f42f 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -446,7 +446,7 @@ ucsi_register_displayport(struct ucsi_connector *con,
bool override, int offset,
struct typec_altmode_desc *desc)
{
- return NULL;
+ return typec_port_register_altmode(con->port, desc);
}
static inline void
diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c
index d3d360ff0d24..6be5cd87e7cb 100644
--- a/drivers/usb/usbip/stub_rx.c
+++ b/drivers/usb/usbip/stub_rx.c
@@ -144,53 +144,62 @@ static int tweak_set_configuration_cmd(struct urb *urb)
if (err && err != -ENODEV)
dev_err(&sdev->udev->dev, "can't set config #%d, error %d\n",
config, err);
- return 0;
+ return err;
}
static int tweak_reset_device_cmd(struct urb *urb)
{
struct stub_priv *priv = (struct stub_priv *) urb->context;
struct stub_device *sdev = priv->sdev;
+ int err;
dev_info(&urb->dev->dev, "usb_queue_reset_device\n");
- if (usb_lock_device_for_reset(sdev->udev, NULL) < 0) {
+ err = usb_lock_device_for_reset(sdev->udev, NULL);
+ if (err < 0) {
dev_err(&urb->dev->dev, "could not obtain lock to reset device\n");
- return 0;
+ return err;
}
- usb_reset_device(sdev->udev);
+ err = usb_reset_device(sdev->udev);
usb_unlock_device(sdev->udev);
- return 0;
+ return err;
}
/*
* clear_halt, set_interface, and set_configuration require special tricks.
+ * Returns 1 if request was tweaked, 0 otherwise.
*/
-static void tweak_special_requests(struct urb *urb)
+static int tweak_special_requests(struct urb *urb)
{
+ int err;
+
if (!urb || !urb->setup_packet)
- return;
+ return 0;
if (usb_pipetype(urb->pipe) != PIPE_CONTROL)
- return;
+ return 0;
if (is_clear_halt_cmd(urb))
/* tweak clear_halt */
- tweak_clear_halt_cmd(urb);
+ err = tweak_clear_halt_cmd(urb);
else if (is_set_interface_cmd(urb))
/* tweak set_interface */
- tweak_set_interface_cmd(urb);
+ err = tweak_set_interface_cmd(urb);
else if (is_set_configuration_cmd(urb))
/* tweak set_configuration */
- tweak_set_configuration_cmd(urb);
+ err = tweak_set_configuration_cmd(urb);
else if (is_reset_device_cmd(urb))
- tweak_reset_device_cmd(urb);
- else
+ err = tweak_reset_device_cmd(urb);
+ else {
usbip_dbg_stub_rx("no need to tweak\n");
+ return 0;
+ }
+
+ return !err;
}
/*
@@ -468,6 +477,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
int support_sg = 1;
int np = 0;
int ret, i;
+ int is_tweaked;
if (pipe == -1)
return;
@@ -580,8 +590,11 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
priv->urbs[i]->pipe = pipe;
priv->urbs[i]->complete = stub_complete;
- /* no need to submit an intercepted request, but harmless? */
- tweak_special_requests(priv->urbs[i]);
+ /*
+ * all URBs belong to a single PDU, so a global is_tweaked flag is
+ * enough
+ */
+ is_tweaked = tweak_special_requests(priv->urbs[i]);
masking_bogus_flags(priv->urbs[i]);
}
@@ -594,22 +607,32 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
/* urb is now ready to submit */
for (i = 0; i < priv->num_urbs; i++) {
- ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL);
+ if (!is_tweaked) {
+ ret = usb_submit_urb(priv->urbs[i], GFP_KERNEL);
- if (ret == 0)
- usbip_dbg_stub_rx("submit urb ok, seqnum %u\n",
- pdu->base.seqnum);
- else {
- dev_err(&udev->dev, "submit_urb error, %d\n", ret);
- usbip_dump_header(pdu);
- usbip_dump_urb(priv->urbs[i]);
+ if (ret == 0)
+ usbip_dbg_stub_rx("submit urb ok, seqnum %u\n",
+ pdu->base.seqnum);
+ else {
+ dev_err(&udev->dev, "submit_urb error, %d\n", ret);
+ usbip_dump_header(pdu);
+ usbip_dump_urb(priv->urbs[i]);
+ /*
+ * Pessimistic.
+ * This connection will be discarded.
+ */
+ usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT);
+ break;
+ }
+ } else {
/*
- * Pessimistic.
- * This connection will be discarded.
+ * An identical URB was already submitted in
+ * tweak_special_requests(). Skip submitting this URB to not
+ * duplicate the request.
*/
- usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT);
- break;
+ priv->urbs[i]->status = 0;
+ stub_complete(priv->urbs[i]);
}
}
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a28b0eafb65a..7e5ac187463e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4684,7 +4684,15 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans,
/* We don't care about errors in readahead. */
if (ret < 0)
continue;
- BUG_ON(refs == 0);
+
+ /*
+ * This could be racey, it's conceivable that we raced and end
+ * up with a bogus refs count, if that's the case just skip, if
+ * we are actually corrupt we will notice when we look up
+ * everything again with our locks.
+ */
+ if (refs == 0)
+ continue;
if (wc->stage == DROP_REFERENCE) {
if (refs == 1)
@@ -4743,7 +4751,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
if (lookup_info &&
((wc->stage == DROP_REFERENCE && wc->refs[level] != 1) ||
(wc->stage == UPDATE_BACKREF && !(wc->flags[level] & flag)))) {
- BUG_ON(!path->locks[level]);
+ ASSERT(path->locks[level]);
ret = btrfs_lookup_extent_info(trans, fs_info,
eb->start, level, 1,
&wc->refs[level],
@@ -4751,7 +4759,11 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
BUG_ON(ret == -ENOMEM);
if (ret)
return ret;
- BUG_ON(wc->refs[level] == 0);
+ if (unlikely(wc->refs[level] == 0)) {
+ btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0",
+ eb->start);
+ return -EUCLEAN;
+ }
}
if (wc->stage == DROP_REFERENCE) {
@@ -4767,7 +4779,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
/* wc->stage == UPDATE_BACKREF */
if (!(wc->flags[level] & flag)) {
- BUG_ON(!path->locks[level]);
+ ASSERT(path->locks[level]);
ret = btrfs_inc_ref(trans, root, eb, 1);
BUG_ON(ret); /* -ENOMEM */
ret = btrfs_dec_ref(trans, root, eb, 0);
@@ -4885,8 +4897,9 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
goto out_unlock;
if (unlikely(wc->refs[level - 1] == 0)) {
- btrfs_err(fs_info, "Missing references.");
- ret = -EIO;
+ btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0",
+ bytenr);
+ ret = -EUCLEAN;
goto out_unlock;
}
*lookup_info = 0;
@@ -5088,7 +5101,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
path->locks[level] = 0;
return ret;
}
- BUG_ON(wc->refs[level] == 0);
+ if (unlikely(wc->refs[level] == 0)) {
+ btrfs_tree_unlock_rw(eb, path->locks[level]);
+ btrfs_err(fs_info, "bytenr %llu has 0 references, expect > 0",
+ eb->start);
+ return -EUCLEAN;
+ }
if (wc->refs[level] == 1) {
btrfs_tree_unlock_rw(eb, path->locks[level]);
path->locks[level] = 0;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d2a988bf9c89..cd72409ccc94 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6087,7 +6087,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
struct inode *inode;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_root *sub_root = root;
- struct btrfs_key location;
+ struct btrfs_key location = { 0 };
u8 di_type = 0;
int index;
int ret = 0;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index f6c499dbfd06..d157eef3ede2 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1694,10 +1694,16 @@ __acquires(fi->lock)
fuse_writepage_finish(fc, wpa);
spin_unlock(&fi->lock);
- /* After fuse_writepage_finish() aux request list is private */
+ /* After rb_erase() aux request list is private */
for (aux = wpa->next; aux; aux = next) {
+ struct backing_dev_info *bdi = inode_to_bdi(aux->inode);
+
next = aux->next;
aux->next = NULL;
+
+ dec_wb_stat(&bdi->wb, WB_WRITEBACK);
+ dec_node_page_state(aux->ia.ap.pages[0], NR_WRITEBACK_TEMP);
+ wb_writeout_inc(&bdi->wb);
fuse_writepage_free(aux);
}
diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c
index 28fed5295770..cd93c5369068 100644
--- a/fs/fuse/xattr.c
+++ b/fs/fuse/xattr.c
@@ -79,7 +79,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value,
}
ret = fuse_simple_request(fc, &args);
if (!ret && !size)
- ret = min_t(ssize_t, outarg.size, XATTR_SIZE_MAX);
+ ret = min_t(size_t, outarg.size, XATTR_SIZE_MAX);
if (ret == -ENOSYS) {
fc->no_getxattr = 1;
ret = -EOPNOTSUPP;
@@ -141,7 +141,7 @@ ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
}
ret = fuse_simple_request(fc, &args);
if (!ret && !size)
- ret = min_t(ssize_t, outarg.size, XATTR_LIST_MAX);
+ ret = min_t(size_t, outarg.size, XATTR_LIST_MAX);
if (ret > 0 && size)
ret = fuse_verify_xattr_list(list, ret);
if (ret == -ENOSYS) {
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index c7ca8cdc8801..98fbd2c5d7b7 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -47,6 +47,7 @@
#include <linux/vfs.h>
#include <linux/inet.h>
#include <linux/in6.h>
+#include <linux/sched.h>
#include <linux/slab.h>
#include <net/ipv6.h>
#include <linux/netdevice.h>
@@ -454,6 +455,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
ret = fn(server, data);
if (ret)
goto out;
+ cond_resched();
rcu_read_lock();
}
rcu_read_unlock();
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 0923231e9e60..f9390e5a7fce 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -708,6 +708,33 @@ static void nilfs_finish_roll_forward(struct the_nilfs *nilfs,
brelse(bh);
}
+/**
+ * nilfs_abort_roll_forward - cleaning up after a failed rollforward recovery
+ * @nilfs: nilfs object
+ */
+static void nilfs_abort_roll_forward(struct the_nilfs *nilfs)
+{
+ struct nilfs_inode_info *ii, *n;
+ LIST_HEAD(head);
+
+ /* Abandon inodes that have read recovery data */
+ spin_lock(&nilfs->ns_inode_lock);
+ list_splice_init(&nilfs->ns_dirty_files, &head);
+ spin_unlock(&nilfs->ns_inode_lock);
+ if (list_empty(&head))
+ return;
+
+ set_nilfs_purging(nilfs);
+ list_for_each_entry_safe(ii, n, &head, i_dirty) {
+ spin_lock(&nilfs->ns_inode_lock);
+ list_del_init(&ii->i_dirty);
+ spin_unlock(&nilfs->ns_inode_lock);
+
+ iput(&ii->vfs_inode);
+ }
+ clear_nilfs_purging(nilfs);
+}
+
/**
* nilfs_salvage_orphan_logs - salvage logs written after the latest checkpoint
* @nilfs: nilfs object
@@ -766,15 +793,19 @@ int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
if (unlikely(err)) {
nilfs_err(sb, "error %d writing segment for recovery",
err);
- goto failed;
+ goto put_root;
}
nilfs_finish_roll_forward(nilfs, ri);
}
- failed:
+put_root:
nilfs_put_root(root);
return err;
+
+failed:
+ nilfs_abort_roll_forward(nilfs);
+ goto put_root;
}
/**
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 3c4272762779..9a5dd4106c3d 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -1828,6 +1828,9 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci,
nilfs_abort_logs(&logs, ret ? : err);
list_splice_tail_init(&sci->sc_segbufs, &logs);
+ if (list_empty(&logs))
+ return; /* if the first segment buffer preparation failed */
+
nilfs_cancel_segusage(&logs, nilfs->ns_sufile);
nilfs_free_incomplete_logs(&logs, nilfs);
@@ -2072,7 +2075,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
err = nilfs_segctor_begin_construction(sci, nilfs);
if (unlikely(err))
- goto out;
+ goto failed;
/* Update time stamp */
sci->sc_seg_ctime = ktime_get_real_seconds();
@@ -2135,10 +2138,9 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
return err;
failed_to_write:
- if (sci->sc_stage.flags & NILFS_CF_IFILE_STARTED)
- nilfs_redirty_inodes(&sci->sc_dirty_files);
-
failed:
+ if (mode == SC_LSEG_SR && nilfs_sc_cstage_get(sci) >= NILFS_ST_IFILE)
+ nilfs_redirty_inodes(&sci->sc_dirty_files);
if (nilfs_doing_gc())
nilfs_redirty_inodes(&sci->sc_gc_inodes);
nilfs_segctor_abort_construction(sci, nilfs, err);
diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
index 57afd06db62d..64ea44be0a64 100644
--- a/fs/nilfs2/sysfs.c
+++ b/fs/nilfs2/sysfs.c
@@ -108,7 +108,7 @@ static ssize_t
nilfs_snapshot_inodes_count_show(struct nilfs_snapshot_attr *attr,
struct nilfs_root *root, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
+ return sysfs_emit(buf, "%llu\n",
(unsigned long long)atomic64_read(&root->inodes_count));
}
@@ -116,7 +116,7 @@ static ssize_t
nilfs_snapshot_blocks_count_show(struct nilfs_snapshot_attr *attr,
struct nilfs_root *root, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
+ return sysfs_emit(buf, "%llu\n",
(unsigned long long)atomic64_read(&root->blocks_count));
}
@@ -129,7 +129,7 @@ static ssize_t
nilfs_snapshot_README_show(struct nilfs_snapshot_attr *attr,
struct nilfs_root *root, char *buf)
{
- return snprintf(buf, PAGE_SIZE, snapshot_readme_str);
+ return sysfs_emit(buf, snapshot_readme_str);
}
NILFS_SNAPSHOT_RO_ATTR(inodes_count);
@@ -230,7 +230,7 @@ static ssize_t
nilfs_mounted_snapshots_README_show(struct nilfs_mounted_snapshots_attr *attr,
struct the_nilfs *nilfs, char *buf)
{
- return snprintf(buf, PAGE_SIZE, mounted_snapshots_readme_str);
+ return sysfs_emit(buf, mounted_snapshots_readme_str);
}
NILFS_MOUNTED_SNAPSHOTS_RO_ATTR(README);
@@ -268,7 +268,7 @@ nilfs_checkpoints_checkpoints_number_show(struct nilfs_checkpoints_attr *attr,
ncheckpoints = cpstat.cs_ncps;
- return snprintf(buf, PAGE_SIZE, "%llu\n", ncheckpoints);
+ return sysfs_emit(buf, "%llu\n", ncheckpoints);
}
static ssize_t
@@ -291,7 +291,7 @@ nilfs_checkpoints_snapshots_number_show(struct nilfs_checkpoints_attr *attr,
nsnapshots = cpstat.cs_nsss;
- return snprintf(buf, PAGE_SIZE, "%llu\n", nsnapshots);
+ return sysfs_emit(buf, "%llu\n", nsnapshots);
}
static ssize_t
@@ -305,7 +305,7 @@ nilfs_checkpoints_last_seg_checkpoint_show(struct nilfs_checkpoints_attr *attr,
last_cno = nilfs->ns_last_cno;
spin_unlock(&nilfs->ns_last_segment_lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno);
+ return sysfs_emit(buf, "%llu\n", last_cno);
}
static ssize_t
@@ -319,7 +319,7 @@ nilfs_checkpoints_next_checkpoint_show(struct nilfs_checkpoints_attr *attr,
cno = nilfs->ns_cno;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", cno);
+ return sysfs_emit(buf, "%llu\n", cno);
}
static const char checkpoints_readme_str[] =
@@ -335,7 +335,7 @@ static ssize_t
nilfs_checkpoints_README_show(struct nilfs_checkpoints_attr *attr,
struct the_nilfs *nilfs, char *buf)
{
- return snprintf(buf, PAGE_SIZE, checkpoints_readme_str);
+ return sysfs_emit(buf, checkpoints_readme_str);
}
NILFS_CHECKPOINTS_RO_ATTR(checkpoints_number);
@@ -366,7 +366,7 @@ nilfs_segments_segments_number_show(struct nilfs_segments_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_nsegments);
+ return sysfs_emit(buf, "%lu\n", nilfs->ns_nsegments);
}
static ssize_t
@@ -374,7 +374,7 @@ nilfs_segments_blocks_per_segment_show(struct nilfs_segments_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%lu\n", nilfs->ns_blocks_per_segment);
+ return sysfs_emit(buf, "%lu\n", nilfs->ns_blocks_per_segment);
}
static ssize_t
@@ -388,7 +388,7 @@ nilfs_segments_clean_segments_show(struct nilfs_segments_attr *attr,
ncleansegs = nilfs_sufile_get_ncleansegs(nilfs->ns_sufile);
up_read(&NILFS_MDT(nilfs->ns_dat)->mi_sem);
- return snprintf(buf, PAGE_SIZE, "%lu\n", ncleansegs);
+ return sysfs_emit(buf, "%lu\n", ncleansegs);
}
static ssize_t
@@ -408,7 +408,7 @@ nilfs_segments_dirty_segments_show(struct nilfs_segments_attr *attr,
return err;
}
- return snprintf(buf, PAGE_SIZE, "%llu\n", sustat.ss_ndirtysegs);
+ return sysfs_emit(buf, "%llu\n", sustat.ss_ndirtysegs);
}
static const char segments_readme_str[] =
@@ -424,7 +424,7 @@ nilfs_segments_README_show(struct nilfs_segments_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, segments_readme_str);
+ return sysfs_emit(buf, segments_readme_str);
}
NILFS_SEGMENTS_RO_ATTR(segments_number);
@@ -461,7 +461,7 @@ nilfs_segctor_last_pseg_block_show(struct nilfs_segctor_attr *attr,
last_pseg = nilfs->ns_last_pseg;
spin_unlock(&nilfs->ns_last_segment_lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n",
+ return sysfs_emit(buf, "%llu\n",
(unsigned long long)last_pseg);
}
@@ -476,7 +476,7 @@ nilfs_segctor_last_seg_sequence_show(struct nilfs_segctor_attr *attr,
last_seq = nilfs->ns_last_seq;
spin_unlock(&nilfs->ns_last_segment_lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n", last_seq);
+ return sysfs_emit(buf, "%llu\n", last_seq);
}
static ssize_t
@@ -490,7 +490,7 @@ nilfs_segctor_last_seg_checkpoint_show(struct nilfs_segctor_attr *attr,
last_cno = nilfs->ns_last_cno;
spin_unlock(&nilfs->ns_last_segment_lock);
- return snprintf(buf, PAGE_SIZE, "%llu\n", last_cno);
+ return sysfs_emit(buf, "%llu\n", last_cno);
}
static ssize_t
@@ -504,7 +504,7 @@ nilfs_segctor_current_seg_sequence_show(struct nilfs_segctor_attr *attr,
seg_seq = nilfs->ns_seg_seq;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", seg_seq);
+ return sysfs_emit(buf, "%llu\n", seg_seq);
}
static ssize_t
@@ -518,7 +518,7 @@ nilfs_segctor_current_last_full_seg_show(struct nilfs_segctor_attr *attr,
segnum = nilfs->ns_segnum;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", segnum);
+ return sysfs_emit(buf, "%llu\n", segnum);
}
static ssize_t
@@ -532,7 +532,7 @@ nilfs_segctor_next_full_seg_show(struct nilfs_segctor_attr *attr,
nextnum = nilfs->ns_nextnum;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", nextnum);
+ return sysfs_emit(buf, "%llu\n", nextnum);
}
static ssize_t
@@ -546,7 +546,7 @@ nilfs_segctor_next_pseg_offset_show(struct nilfs_segctor_attr *attr,
pseg_offset = nilfs->ns_pseg_offset;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%lu\n", pseg_offset);
+ return sysfs_emit(buf, "%lu\n", pseg_offset);
}
static ssize_t
@@ -560,7 +560,7 @@ nilfs_segctor_next_checkpoint_show(struct nilfs_segctor_attr *attr,
cno = nilfs->ns_cno;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", cno);
+ return sysfs_emit(buf, "%llu\n", cno);
}
static ssize_t
@@ -588,7 +588,7 @@ nilfs_segctor_last_seg_write_time_secs_show(struct nilfs_segctor_attr *attr,
ctime = nilfs->ns_ctime;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", ctime);
+ return sysfs_emit(buf, "%llu\n", ctime);
}
static ssize_t
@@ -616,7 +616,7 @@ nilfs_segctor_last_nongc_write_time_secs_show(struct nilfs_segctor_attr *attr,
nongc_ctime = nilfs->ns_nongc_ctime;
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", nongc_ctime);
+ return sysfs_emit(buf, "%llu\n", nongc_ctime);
}
static ssize_t
@@ -630,7 +630,7 @@ nilfs_segctor_dirty_data_blocks_count_show(struct nilfs_segctor_attr *attr,
ndirtyblks = atomic_read(&nilfs->ns_ndirtyblks);
up_read(&nilfs->ns_segctor_sem);
- return snprintf(buf, PAGE_SIZE, "%u\n", ndirtyblks);
+ return sysfs_emit(buf, "%u\n", ndirtyblks);
}
static const char segctor_readme_str[] =
@@ -667,7 +667,7 @@ static ssize_t
nilfs_segctor_README_show(struct nilfs_segctor_attr *attr,
struct the_nilfs *nilfs, char *buf)
{
- return snprintf(buf, PAGE_SIZE, segctor_readme_str);
+ return sysfs_emit(buf, segctor_readme_str);
}
NILFS_SEGCTOR_RO_ATTR(last_pseg_block);
@@ -736,7 +736,7 @@ nilfs_superblock_sb_write_time_secs_show(struct nilfs_superblock_attr *attr,
sbwtime = nilfs->ns_sbwtime;
up_read(&nilfs->ns_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", sbwtime);
+ return sysfs_emit(buf, "%llu\n", sbwtime);
}
static ssize_t
@@ -750,7 +750,7 @@ nilfs_superblock_sb_write_count_show(struct nilfs_superblock_attr *attr,
sbwcount = nilfs->ns_sbwcount;
up_read(&nilfs->ns_sem);
- return snprintf(buf, PAGE_SIZE, "%u\n", sbwcount);
+ return sysfs_emit(buf, "%u\n", sbwcount);
}
static ssize_t
@@ -764,7 +764,7 @@ nilfs_superblock_sb_update_frequency_show(struct nilfs_superblock_attr *attr,
sb_update_freq = nilfs->ns_sb_update_freq;
up_read(&nilfs->ns_sem);
- return snprintf(buf, PAGE_SIZE, "%u\n", sb_update_freq);
+ return sysfs_emit(buf, "%u\n", sb_update_freq);
}
static ssize_t
@@ -812,7 +812,7 @@ static ssize_t
nilfs_superblock_README_show(struct nilfs_superblock_attr *attr,
struct the_nilfs *nilfs, char *buf)
{
- return snprintf(buf, PAGE_SIZE, sb_readme_str);
+ return sysfs_emit(buf, sb_readme_str);
}
NILFS_SUPERBLOCK_RO_ATTR(sb_write_time);
@@ -843,11 +843,17 @@ ssize_t nilfs_dev_revision_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- struct nilfs_super_block **sbp = nilfs->ns_sbp;
- u32 major = le32_to_cpu(sbp[0]->s_rev_level);
- u16 minor = le16_to_cpu(sbp[0]->s_minor_rev_level);
+ struct nilfs_super_block *raw_sb;
+ u32 major;
+ u16 minor;
- return snprintf(buf, PAGE_SIZE, "%d.%d\n", major, minor);
+ down_read(&nilfs->ns_sem);
+ raw_sb = nilfs->ns_sbp[0];
+ major = le32_to_cpu(raw_sb->s_rev_level);
+ minor = le16_to_cpu(raw_sb->s_minor_rev_level);
+ up_read(&nilfs->ns_sem);
+
+ return sysfs_emit(buf, "%d.%d\n", major, minor);
}
static
@@ -855,7 +861,7 @@ ssize_t nilfs_dev_blocksize_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%u\n", nilfs->ns_blocksize);
+ return sysfs_emit(buf, "%u\n", nilfs->ns_blocksize);
}
static
@@ -863,10 +869,15 @@ ssize_t nilfs_dev_device_size_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- struct nilfs_super_block **sbp = nilfs->ns_sbp;
- u64 dev_size = le64_to_cpu(sbp[0]->s_dev_size);
+ struct nilfs_super_block *raw_sb;
+ u64 dev_size;
+
+ down_read(&nilfs->ns_sem);
+ raw_sb = nilfs->ns_sbp[0];
+ dev_size = le64_to_cpu(raw_sb->s_dev_size);
+ up_read(&nilfs->ns_sem);
- return snprintf(buf, PAGE_SIZE, "%llu\n", dev_size);
+ return sysfs_emit(buf, "%llu\n", dev_size);
}
static
@@ -877,7 +888,7 @@ ssize_t nilfs_dev_free_blocks_show(struct nilfs_dev_attr *attr,
sector_t free_blocks = 0;
nilfs_count_free_blocks(nilfs, &free_blocks);
- return snprintf(buf, PAGE_SIZE, "%llu\n",
+ return sysfs_emit(buf, "%llu\n",
(unsigned long long)free_blocks);
}
@@ -886,9 +897,15 @@ ssize_t nilfs_dev_uuid_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- struct nilfs_super_block **sbp = nilfs->ns_sbp;
+ struct nilfs_super_block *raw_sb;
+ ssize_t len;
- return snprintf(buf, PAGE_SIZE, "%pUb\n", sbp[0]->s_uuid);
+ down_read(&nilfs->ns_sem);
+ raw_sb = nilfs->ns_sbp[0];
+ len = sysfs_emit(buf, "%pUb\n", raw_sb->s_uuid);
+ up_read(&nilfs->ns_sem);
+
+ return len;
}
static
@@ -896,10 +913,16 @@ ssize_t nilfs_dev_volume_name_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- struct nilfs_super_block **sbp = nilfs->ns_sbp;
+ struct nilfs_super_block *raw_sb;
+ ssize_t len;
+
+ down_read(&nilfs->ns_sem);
+ raw_sb = nilfs->ns_sbp[0];
+ len = scnprintf(buf, sizeof(raw_sb->s_volume_name), "%s\n",
+ raw_sb->s_volume_name);
+ up_read(&nilfs->ns_sem);
- return scnprintf(buf, sizeof(sbp[0]->s_volume_name), "%s\n",
- sbp[0]->s_volume_name);
+ return len;
}
static const char dev_readme_str[] =
@@ -916,7 +939,7 @@ static ssize_t nilfs_dev_README_show(struct nilfs_dev_attr *attr,
struct the_nilfs *nilfs,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, dev_readme_str);
+ return sysfs_emit(buf, dev_readme_str);
}
NILFS_DEV_RO_ATTR(revision);
@@ -1060,7 +1083,7 @@ void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)
static ssize_t nilfs_feature_revision_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d.%d\n",
+ return sysfs_emit(buf, "%d.%d\n",
NILFS_CURRENT_REV, NILFS_MINOR_REV);
}
@@ -1073,7 +1096,7 @@ static ssize_t nilfs_feature_README_show(struct kobject *kobj,
struct attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, features_readme_str);
+ return sysfs_emit(buf, features_readme_str);
}
NILFS_FEATURE_RO_ATTR(revision);
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index 24463145b351..f31649080a88 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -276,8 +276,13 @@ int squashfs_read_inode(struct inode *inode, long long ino)
if (err < 0)
goto failed_read;
- set_nlink(inode, le32_to_cpu(sqsh_ino->nlink));
inode->i_size = le32_to_cpu(sqsh_ino->symlink_size);
+ if (inode->i_size > PAGE_SIZE) {
+ ERROR("Corrupted symlink\n");
+ return -EINVAL;
+ }
+
+ set_nlink(inode, le32_to_cpu(sqsh_ino->nlink));
inode->i_op = &squashfs_symlink_inode_ops;
inode_nohighmem(inode);
inode->i_data.a_ops = &squashfs_symlink_aops;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 46384284e7e0..a1962c93bd26 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -86,6 +86,13 @@ enum {
#define UDF_MAX_LVID_NESTING 1000
enum { UDF_MAX_LINKS = 0xffff };
+/*
+ * We limit filesize to 4TB. This is arbitrary as the on-disk format supports
+ * more but because the file space is described by a linked list of extents,
+ * each of which can have at most 1GB, the creation and handling of extents
+ * gets unusably slow beyond certain point...
+ */
+#define UDF_MAX_FILESIZE (1ULL << 42)
/* These are the "meat" - everything else is stuffing */
static int udf_fill_super(struct super_block *, void *, int);
@@ -1083,12 +1090,19 @@ static int udf_fill_partdesc_info(struct super_block *sb,
struct udf_part_map *map;
struct udf_sb_info *sbi = UDF_SB(sb);
struct partitionHeaderDesc *phd;
+ u32 sum;
int err;
map = &sbi->s_partmaps[p_index];
map->s_partition_len = le32_to_cpu(p->partitionLength); /* blocks */
map->s_partition_root = le32_to_cpu(p->partitionStartingLocation);
+ if (check_add_overflow(map->s_partition_root, map->s_partition_len,
+ &sum)) {
+ udf_err(sb, "Partition %d has invalid location %u + %u\n",
+ p_index, map->s_partition_root, map->s_partition_len);
+ return -EFSCORRUPTED;
+ }
if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_READ_ONLY))
map->s_partition_flags |= UDF_PART_FLAG_READ_ONLY;
@@ -1144,6 +1158,14 @@ static int udf_fill_partdesc_info(struct super_block *sb,
bitmap->s_extPosition = le32_to_cpu(
phd->unallocSpaceBitmap.extPosition);
map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
+ /* Check whether math over bitmap won't overflow. */
+ if (check_add_overflow(map->s_partition_len,
+ sizeof(struct spaceBitmapDesc) << 3,
+ &sum)) {
+ udf_err(sb, "Partition %d is too long (%u)\n", p_index,
+ map->s_partition_len);
+ return -EFSCORRUPTED;
+ }
udf_debug("unallocSpaceBitmap (part %d) @ %u\n",
p_index, bitmap->s_extPosition);
}
@@ -2308,7 +2330,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
ret = -ENOMEM;
goto error_out;
}
- sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_maxbytes = UDF_MAX_FILESIZE;
sb->s_max_links = UDF_MAX_LINKS;
return 0;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index af2b799d7a66..e622d09d9eb8 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -979,7 +979,7 @@ static inline int of_i2c_get_board_info(struct device *dev,
struct acpi_resource;
struct acpi_resource_i2c_serialbus;
-#if IS_ENABLED(CONFIG_ACPI)
+#if IS_REACHABLE(CONFIG_ACPI) && IS_REACHABLE(CONFIG_I2C)
bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
struct acpi_resource_i2c_serialbus **i2c);
u32 i2c_acpi_find_bus_speed(struct device *dev);
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index b73950772299..12492c8a22b3 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -135,8 +135,7 @@ void ring_buffer_read_finish(struct ring_buffer_iter *iter);
struct ring_buffer_event *
ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts);
-struct ring_buffer_event *
-ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts);
+void ring_buffer_iter_advance(struct ring_buffer_iter *iter);
void ring_buffer_iter_reset(struct ring_buffer_iter *iter);
int ring_buffer_iter_empty(struct ring_buffer_iter *iter);
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 62a7a5075014..16ae86894121 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -1783,9 +1783,9 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
RCU_INIT_POINTER(scgrp->subsys[ssid], NULL);
rcu_assign_pointer(dcgrp->subsys[ssid], css);
ss->root = dst_root;
- css->cgroup = dcgrp;
spin_lock_irq(&css_set_lock);
+ css->cgroup = dcgrp;
WARN_ON(!list_empty(&dcgrp->e_csets[ss->id]));
list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id],
e_cset_node[ss->id]) {
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 1799427a384a..c812575f0461 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1491,7 +1491,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr)
uprobe_opcode_t insn = UPROBE_SWBP_INSN;
struct xol_area *area;
- area = kmalloc(sizeof(*area), GFP_KERNEL);
+ area = kzalloc(sizeof(*area), GFP_KERNEL);
if (unlikely(!area))
goto out;
@@ -1501,7 +1501,6 @@ static struct xol_area *__create_xol_area(unsigned long vaddr)
goto free_area;
area->xol_mapping.name = "[uprobes]";
- area->xol_mapping.fault = NULL;
area->xol_mapping.pages = area->pages;
area->pages[0] = alloc_page(GFP_HIGHUSER);
if (!area->pages[0])
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 734698aec5f9..7c727c4944e6 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1204,6 +1204,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
}
static void rt_mutex_handle_deadlock(int res, int detect_deadlock,
+ struct rt_mutex *lock,
struct rt_mutex_waiter *w)
{
/*
@@ -1213,6 +1214,7 @@ static void rt_mutex_handle_deadlock(int res, int detect_deadlock,
if (res != -EDEADLOCK || detect_deadlock)
return;
+ raw_spin_unlock_irq(&lock->wait_lock);
/*
* Yell lowdly and stop the task right here.
*/
@@ -1268,7 +1270,7 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
if (unlikely(ret)) {
__set_current_state(TASK_RUNNING);
remove_waiter(lock, &waiter);
- rt_mutex_handle_deadlock(ret, chwalk, &waiter);
+ rt_mutex_handle_deadlock(ret, chwalk, lock, &waiter);
}
/*
diff --git a/kernel/smp.c b/kernel/smp.c
index be65b76cb803..76de88dc1699 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -813,6 +813,7 @@ int smp_call_on_cpu(unsigned int cpu, int (*func)(void *), void *par, bool phys)
queue_work_on(cpu, system_wq, &sscs.work);
wait_for_completion(&sscs.done);
+ destroy_work_on_stack(&sscs.work);
return sscs.ret;
}
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index ad97515cd5a1..2011219c11a9 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -4495,35 +4495,24 @@ ring_buffer_read_finish(struct ring_buffer_iter *iter)
EXPORT_SYMBOL_GPL(ring_buffer_read_finish);
/**
- * ring_buffer_read - read the next item in the ring buffer by the iterator
+ * ring_buffer_iter_advance - advance the iterator to the next location
* @iter: The ring buffer iterator
- * @ts: The time stamp of the event read.
*
- * This reads the next event in the ring buffer and increments the iterator.
+ * Move the location of the iterator such that the next read will
+ * be the next location of the iterator.
*/
-struct ring_buffer_event *
-ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts)
+void ring_buffer_iter_advance(struct ring_buffer_iter *iter)
{
- struct ring_buffer_event *event;
struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
unsigned long flags;
raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
- again:
- event = rb_iter_peek(iter, ts);
- if (!event)
- goto out;
-
- if (event->type_len == RINGBUF_TYPE_PADDING)
- goto again;
rb_advance_iter(iter);
- out:
- raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
- return event;
+ raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
}
-EXPORT_SYMBOL_GPL(ring_buffer_read);
+EXPORT_SYMBOL_GPL(ring_buffer_iter_advance);
/**
* ring_buffer_size - return the size of the ring buffer (in bytes)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 6fd7dca57dd9..67466563d86f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3326,7 +3326,7 @@ static void trace_iterator_increment(struct trace_iterator *iter)
iter->idx++;
if (buf_iter)
- ring_buffer_read(buf_iter, NULL);
+ ring_buffer_iter_advance(buf_iter);
}
static struct trace_entry *
@@ -3486,7 +3486,9 @@ void tracing_iter_reset(struct trace_iterator *iter, int cpu)
if (ts >= iter->trace_buffer->time_start)
break;
entries++;
- ring_buffer_read(buf_iter, NULL);
+ ring_buffer_iter_advance(buf_iter);
+ /* This could be a big loop */
+ cond_resched();
}
per_cpu_ptr(iter->trace_buffer->data, cpu)->skipped_entries = entries;
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 78af97163147..f577c11720a4 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -482,7 +482,7 @@ get_return_for_leaf(struct trace_iterator *iter,
/* this is a leaf, now advance the iterator */
if (ring_iter)
- ring_buffer_read(ring_iter, NULL);
+ ring_buffer_iter_advance(ring_iter);
return next;
}
diff --git a/lib/generic-radix-tree.c b/lib/generic-radix-tree.c
index f25eb111c051..34d3ac52de89 100644
--- a/lib/generic-radix-tree.c
+++ b/lib/generic-radix-tree.c
@@ -131,6 +131,8 @@ void *__genradix_ptr_alloc(struct __genradix *radix, size_t offset,
if ((v = cmpxchg_release(&radix->root, r, new_root)) == r) {
v = new_root;
new_node = NULL;
+ } else {
+ new_node->children[0] = NULL;
}
}
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index b1d3248c0252..89e0a6808d30 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -75,8 +75,9 @@ static inline unsigned long hold_time(const struct net_bridge *br)
static inline int has_expired(const struct net_bridge *br,
const struct net_bridge_fdb_entry *fdb)
{
- return !fdb->is_static && !fdb->added_by_external_learn &&
- time_before_eq(fdb->updated + hold_time(br), jiffies);
+ return !test_bit(BR_FDB_STATIC, &fdb->flags) &&
+ !test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags) &&
+ time_before_eq(fdb->updated + hold_time(br), jiffies);
}
static void fdb_rcu_free(struct rcu_head *head)
@@ -197,7 +198,7 @@ static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f,
{
trace_fdb_delete(br, f);
- if (f->is_static)
+ if (test_bit(BR_FDB_STATIC, &f->flags))
fdb_del_hw_addr(br, f->key.addr.addr);
hlist_del_init_rcu(&f->fdb_node);
@@ -224,7 +225,7 @@ static void fdb_delete_local(struct net_bridge *br,
if (op != p && ether_addr_equal(op->dev->dev_addr, addr) &&
(!vid || br_vlan_find(vg, vid))) {
f->dst = op;
- f->added_by_user = 0;
+ clear_bit(BR_FDB_ADDED_BY_USER, &f->flags);
return;
}
}
@@ -235,7 +236,7 @@ static void fdb_delete_local(struct net_bridge *br,
if (p && ether_addr_equal(br->dev->dev_addr, addr) &&
(!vid || (v && br_vlan_should_use(v)))) {
f->dst = NULL;
- f->added_by_user = 0;
+ clear_bit(BR_FDB_ADDED_BY_USER, &f->flags);
return;
}
@@ -250,7 +251,8 @@ void br_fdb_find_delete_local(struct net_bridge *br,
spin_lock_bh(&br->hash_lock);
f = br_fdb_find(br, addr, vid);
- if (f && f->is_local && !f->added_by_user && f->dst == p)
+ if (f && test_bit(BR_FDB_LOCAL, &f->flags) &&
+ !test_bit(BR_FDB_ADDED_BY_USER, &f->flags) && f->dst == p)
fdb_delete_local(br, p, f);
spin_unlock_bh(&br->hash_lock);
}
@@ -265,7 +267,8 @@ void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr)
spin_lock_bh(&br->hash_lock);
vg = nbp_vlan_group(p);
hlist_for_each_entry(f, &br->fdb_list, fdb_node) {
- if (f->dst == p && f->is_local && !f->added_by_user) {
+ if (f->dst == p && test_bit(BR_FDB_LOCAL, &f->flags) &&
+ !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) {
/* delete old one */
fdb_delete_local(br, p, f);
@@ -306,7 +309,8 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr)
/* If old entry was unassociated with any port, then delete it. */
f = br_fdb_find(br, br->dev->dev_addr, 0);
- if (f && f->is_local && !f->dst && !f->added_by_user)
+ if (f && test_bit(BR_FDB_LOCAL, &f->flags) &&
+ !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags))
fdb_delete_local(br, NULL, f);
fdb_insert(br, NULL, newaddr, 0);
@@ -321,7 +325,8 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr)
if (!br_vlan_should_use(v))
continue;
f = br_fdb_find(br, br->dev->dev_addr, v->vid);
- if (f && f->is_local && !f->dst && !f->added_by_user)
+ if (f && test_bit(BR_FDB_LOCAL, &f->flags) &&
+ !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags))
fdb_delete_local(br, NULL, f);
fdb_insert(br, NULL, newaddr, v->vid);
}
@@ -346,7 +351,8 @@ void br_fdb_cleanup(struct work_struct *work)
hlist_for_each_entry_rcu(f, &br->fdb_list, fdb_node) {
unsigned long this_timer;
- if (f->is_static || f->added_by_external_learn)
+ if (test_bit(BR_FDB_STATIC, &f->flags) ||
+ test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &f->flags))
continue;
this_timer = f->updated + delay;
if (time_after(this_timer, now)) {
@@ -373,7 +379,7 @@ void br_fdb_flush(struct net_bridge *br)
spin_lock_bh(&br->hash_lock);
hlist_for_each_entry_safe(f, tmp, &br->fdb_list, fdb_node) {
- if (!f->is_static)
+ if (!test_bit(BR_FDB_STATIC, &f->flags))
fdb_delete(br, f, true);
}
spin_unlock_bh(&br->hash_lock);
@@ -397,10 +403,11 @@ void br_fdb_delete_by_port(struct net_bridge *br,
continue;
if (!do_all)
- if (f->is_static || (vid && f->key.vlan_id != vid))
+ if (test_bit(BR_FDB_STATIC, &f->flags) ||
+ (vid && f->key.vlan_id != vid))
continue;
- if (f->is_local)
+ if (test_bit(BR_FDB_LOCAL, &f->flags))
fdb_delete_local(br, p, f);
else
fdb_delete(br, f, true);
@@ -469,8 +476,8 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
fe->port_no = f->dst->port_no;
fe->port_hi = f->dst->port_no >> 8;
- fe->is_local = f->is_local;
- if (!f->is_static)
+ fe->is_local = test_bit(BR_FDB_LOCAL, &f->flags);
+ if (!test_bit(BR_FDB_STATIC, &f->flags))
fe->ageing_timer_value = jiffies_delta_to_clock_t(jiffies - f->updated);
++fe;
++num;
@@ -494,12 +501,12 @@ static struct net_bridge_fdb_entry *fdb_create(struct net_bridge *br,
memcpy(fdb->key.addr.addr, addr, ETH_ALEN);
fdb->dst = source;
fdb->key.vlan_id = vid;
- fdb->is_local = is_local;
- fdb->is_static = is_static;
- fdb->added_by_user = 0;
- fdb->added_by_external_learn = 0;
+ fdb->flags = 0;
+ if (is_local)
+ set_bit(BR_FDB_LOCAL, &fdb->flags);
+ if (is_static)
+ set_bit(BR_FDB_STATIC, &fdb->flags);
fdb->offloaded = 0;
- fdb->is_sticky = 0;
fdb->updated = fdb->used = jiffies;
if (rhashtable_lookup_insert_fast(&br->fdb_hash_tbl,
&fdb->rhnode,
@@ -526,7 +533,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
/* it is okay to have multiple ports with same
* address, just use the first one.
*/
- if (fdb->is_local)
+ if (test_bit(BR_FDB_LOCAL, &fdb->flags))
return 0;
br_warn(br, "adding interface %s with same address as a received packet (addr:%pM, vlan:%u)\n",
source ? source->dev->name : br->dev->name, addr, vid);
@@ -572,7 +579,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid);
if (likely(fdb)) {
/* attempt to update an entry for a local interface */
- if (unlikely(fdb->is_local)) {
+ if (unlikely(test_bit(BR_FDB_LOCAL, &fdb->flags))) {
if (net_ratelimit())
br_warn(br, "received packet on %s with own address as source address (addr:%pM, vlan:%u)\n",
source->dev->name, addr, vid);
@@ -580,17 +587,18 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
unsigned long now = jiffies;
/* fastpath: update of existing entry */
- if (unlikely(source != fdb->dst && !fdb->is_sticky)) {
+ if (unlikely(source != fdb->dst &&
+ !test_bit(BR_FDB_STICKY, &fdb->flags))) {
fdb->dst = source;
fdb_modified = true;
/* Take over HW learned entry */
- if (unlikely(fdb->added_by_external_learn))
- fdb->added_by_external_learn = 0;
+ test_and_clear_bit(BR_FDB_ADDED_BY_EXT_LEARN,
+ &fdb->flags);
}
if (now != fdb->updated)
fdb->updated = now;
if (unlikely(added_by_user))
- fdb->added_by_user = 1;
+ set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
if (unlikely(fdb_modified)) {
trace_br_fdb_update(br, source, addr, vid, added_by_user);
fdb_notify(br, fdb, RTM_NEWNEIGH, true);
@@ -601,7 +609,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
fdb = fdb_create(br, source, addr, vid, 0, 0);
if (fdb) {
if (unlikely(added_by_user))
- fdb->added_by_user = 1;
+ set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
trace_br_fdb_update(br, source, addr, vid,
added_by_user);
fdb_notify(br, fdb, RTM_NEWNEIGH, true);
@@ -616,9 +624,9 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
static int fdb_to_nud(const struct net_bridge *br,
const struct net_bridge_fdb_entry *fdb)
{
- if (fdb->is_local)
+ if (test_bit(BR_FDB_LOCAL, &fdb->flags))
return NUD_PERMANENT;
- else if (fdb->is_static)
+ else if (test_bit(BR_FDB_STATIC, &fdb->flags))
return NUD_NOARP;
else if (has_expired(br, fdb))
return NUD_STALE;
@@ -650,9 +658,9 @@ static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
if (fdb->offloaded)
ndm->ndm_flags |= NTF_OFFLOADED;
- if (fdb->added_by_external_learn)
+ if (test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags))
ndm->ndm_flags |= NTF_EXT_LEARNED;
- if (fdb->is_sticky)
+ if (test_bit(BR_FDB_STICKY, &fdb->flags))
ndm->ndm_flags |= NTF_STICKY;
if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->key.addr))
@@ -799,7 +807,7 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
const u8 *addr, u16 state, u16 flags, u16 vid,
u8 ndm_flags)
{
- u8 is_sticky = !!(ndm_flags & NTF_STICKY);
+ bool is_sticky = !!(ndm_flags & NTF_STICKY);
struct net_bridge_fdb_entry *fdb;
bool modified = false;
@@ -840,34 +848,28 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
if (fdb_to_nud(br, fdb) != state) {
if (state & NUD_PERMANENT) {
- fdb->is_local = 1;
- if (!fdb->is_static) {
- fdb->is_static = 1;
+ set_bit(BR_FDB_LOCAL, &fdb->flags);
+ if (!test_and_set_bit(BR_FDB_STATIC, &fdb->flags))
fdb_add_hw_addr(br, addr);
- }
} else if (state & NUD_NOARP) {
- fdb->is_local = 0;
- if (!fdb->is_static) {
- fdb->is_static = 1;
+ clear_bit(BR_FDB_LOCAL, &fdb->flags);
+ if (!test_and_set_bit(BR_FDB_STATIC, &fdb->flags))
fdb_add_hw_addr(br, addr);
- }
} else {
- fdb->is_local = 0;
- if (fdb->is_static) {
- fdb->is_static = 0;
+ clear_bit(BR_FDB_LOCAL, &fdb->flags);
+ if (test_and_clear_bit(BR_FDB_STATIC, &fdb->flags))
fdb_del_hw_addr(br, addr);
- }
}
modified = true;
}
- if (is_sticky != fdb->is_sticky) {
- fdb->is_sticky = is_sticky;
+ if (is_sticky != test_bit(BR_FDB_STICKY, &fdb->flags)) {
+ change_bit(BR_FDB_STICKY, &fdb->flags);
modified = true;
}
- fdb->added_by_user = 1;
+ set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
fdb->used = jiffies;
if (modified) {
@@ -1064,7 +1066,7 @@ int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p)
rcu_read_lock();
hlist_for_each_entry_rcu(f, &br->fdb_list, fdb_node) {
/* We only care for static entries */
- if (!f->is_static)
+ if (!test_bit(BR_FDB_STATIC, &f->flags))
continue;
err = dev_uc_add(p->dev, f->key.addr.addr);
if (err)
@@ -1078,7 +1080,7 @@ int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p)
rollback:
hlist_for_each_entry_rcu(tmp, &br->fdb_list, fdb_node) {
/* We only care for static entries */
- if (!tmp->is_static)
+ if (!test_bit(BR_FDB_STATIC, &tmp->flags))
continue;
if (tmp == f)
break;
@@ -1097,7 +1099,7 @@ void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p)
rcu_read_lock();
hlist_for_each_entry_rcu(f, &br->fdb_list, fdb_node) {
/* We only care for static entries */
- if (!f->is_static)
+ if (!test_bit(BR_FDB_STATIC, &f->flags))
continue;
dev_uc_del(p->dev, f->key.addr.addr);
@@ -1125,8 +1127,8 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
goto err_unlock;
}
if (swdev_notify)
- fdb->added_by_user = 1;
- fdb->added_by_external_learn = 1;
+ set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
+ set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags);
fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
} else {
fdb->updated = jiffies;
@@ -1136,17 +1138,15 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
modified = true;
}
- if (fdb->added_by_external_learn) {
+ if (test_and_set_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags)) {
/* Refresh entry */
fdb->used = jiffies;
- } else if (!fdb->added_by_user) {
- /* Take over SW learned entry */
- fdb->added_by_external_learn = 1;
+ } else {
modified = true;
}
if (swdev_notify)
- fdb->added_by_user = 1;
+ set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags);
if (modified)
fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
@@ -1168,7 +1168,7 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
spin_lock_bh(&br->hash_lock);
fdb = br_fdb_find(br, addr, vid);
- if (fdb && fdb->added_by_external_learn)
+ if (fdb && test_bit(BR_FDB_ADDED_BY_EXT_LEARN, &fdb->flags))
fdb_delete(br, fdb, swdev_notify);
else
err = -ENOENT;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 3d07dedd93bd..22271b279063 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -158,7 +158,7 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb
if (dst) {
unsigned long now = jiffies;
- if (dst->is_local)
+ if (test_bit(BR_FDB_LOCAL, &dst->flags))
return br_pass_frame_up(skb);
if (now != dst->used)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index c83d3a954b5f..5ba4620727a7 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -172,6 +172,15 @@ struct net_bridge_vlan_group {
u16 pvid;
};
+/* bridge fdb flags */
+enum {
+ BR_FDB_LOCAL,
+ BR_FDB_STATIC,
+ BR_FDB_STICKY,
+ BR_FDB_ADDED_BY_USER,
+ BR_FDB_ADDED_BY_EXT_LEARN,
+};
+
struct net_bridge_fdb_key {
mac_addr addr;
u16 vlan_id;
@@ -183,12 +192,8 @@ struct net_bridge_fdb_entry {
struct net_bridge_fdb_key key;
struct hlist_node fdb_node;
- unsigned char is_local:1,
- is_static:1,
- is_sticky:1,
- added_by_user:1,
- added_by_external_learn:1,
- offloaded:1;
+ unsigned long flags;
+ unsigned char offloaded:1;
/* write-heavy members should not affect lookups */
unsigned long updated ____cacheline_aligned_in_smp;
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index 921310d3cbae..5010fbf74778 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -129,14 +129,16 @@ br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
br_switchdev_fdb_call_notifiers(false, fdb->key.addr.addr,
fdb->key.vlan_id,
fdb->dst->dev,
- fdb->added_by_user,
+ test_bit(BR_FDB_ADDED_BY_USER,
+ &fdb->flags),
fdb->offloaded);
break;
case RTM_NEWNEIGH:
br_switchdev_fdb_call_notifiers(true, fdb->key.addr.addr,
fdb->key.vlan_id,
fdb->dst->dev,
- fdb->added_by_user,
+ test_bit(BR_FDB_ADDED_BY_USER,
+ &fdb->flags),
fdb->offloaded);
break;
}
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 5cb4b6129263..cc7fb30eafc0 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -1425,6 +1425,10 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg,
/* remove device reference, if this is our bound device */
if (bo->bound && bo->ifindex == dev->ifindex) {
+#if IS_ENABLED(CONFIG_PROC_FS)
+ if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read)
+ remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir);
+#endif
bo->bound = 0;
bo->ifindex = 0;
notify_enodev = 1;
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index e4f2790fd641..cd2cbf5c52a3 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -609,6 +609,7 @@ int __inet_hash(struct sock *sk, struct sock *osk)
if (err)
goto unlock;
}
+ sock_set_flag(sk, SOCK_RCU_FREE);
if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport &&
sk->sk_family == AF_INET6)
__sk_nulls_add_node_tail_rcu(sk, &ilb->nulls_head);
@@ -616,7 +617,6 @@ int __inet_hash(struct sock *sk, struct sock *osk)
__sk_nulls_add_node_rcu(sk, &ilb->nulls_head);
inet_hash2(hashinfo, sk);
ilb->count++;
- sock_set_flag(sk, SOCK_RCU_FREE);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
unlock:
spin_unlock(&ilb->lock);
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index ca49d68a0e04..0002a6730d2e 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -506,7 +506,7 @@ static int tcp_bpf_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
err = sk_stream_error(sk, msg->msg_flags, err);
release_sock(sk);
sk_psock_put(sk, psock);
- return copied ? copied : err;
+ return copied > 0 ? copied : err;
}
static int tcp_bpf_sendpage(struct sock *sk, struct page *page, int offset,
diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h
index bb6fc0d54dae..5c41f007c235 100644
--- a/net/ipv6/ila/ila.h
+++ b/net/ipv6/ila/ila.h
@@ -113,6 +113,7 @@ int ila_lwt_init(void);
void ila_lwt_fini(void);
int ila_xlat_init_net(struct net *net);
+void ila_xlat_pre_exit_net(struct net *net);
void ila_xlat_exit_net(struct net *net);
int ila_xlat_nl_cmd_add_mapping(struct sk_buff *skb, struct genl_info *info);
diff --git a/net/ipv6/ila/ila_main.c b/net/ipv6/ila/ila_main.c
index 257d2b681246..8306f89d8e2a 100644
--- a/net/ipv6/ila/ila_main.c
+++ b/net/ipv6/ila/ila_main.c
@@ -71,6 +71,11 @@ static __net_init int ila_init_net(struct net *net)
return err;
}
+static __net_exit void ila_pre_exit_net(struct net *net)
+{
+ ila_xlat_pre_exit_net(net);
+}
+
static __net_exit void ila_exit_net(struct net *net)
{
ila_xlat_exit_net(net);
@@ -78,6 +83,7 @@ static __net_exit void ila_exit_net(struct net *net)
static struct pernet_operations ila_net_ops = {
.init = ila_init_net,
+ .pre_exit = ila_pre_exit_net,
.exit = ila_exit_net,
.id = &ila_net_id,
.size = sizeof(struct ila_net),
diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c
index 10f1367eb4ca..1a0f580da652 100644
--- a/net/ipv6/ila/ila_xlat.c
+++ b/net/ipv6/ila/ila_xlat.c
@@ -618,6 +618,15 @@ int ila_xlat_init_net(struct net *net)
return 0;
}
+void ila_xlat_pre_exit_net(struct net *net)
+{
+ struct ila_net *ilan = net_generic(net, ila_net_id);
+
+ if (ilan->xlat.hooks_registered)
+ nf_unregister_net_hooks(net, ila_nf_hook_ops,
+ ARRAY_SIZE(ila_nf_hook_ops));
+}
+
void ila_xlat_exit_net(struct net *net)
{
struct ila_net *ilan = net_generic(net, ila_net_id);
@@ -625,10 +634,6 @@ void ila_xlat_exit_net(struct net *net)
rhashtable_free_and_destroy(&ilan->xlat.rhash_table, ila_free_cb, NULL);
free_bucket_spinlocks(ilan->xlat.locks);
-
- if (ilan->xlat.hooks_registered)
- nf_unregister_net_hooks(net, ila_nf_hook_ops,
- ARRAY_SIZE(ila_nf_hook_ops));
}
static int ila_xlat_addr(struct sk_buff *skb, bool sir2ila)
diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c
index 82f36beb2e76..0ce12a33ffda 100644
--- a/net/netfilter/nf_conncount.c
+++ b/net/netfilter/nf_conncount.c
@@ -310,7 +310,6 @@ insert_tree(struct net *net,
struct nf_conncount_rb *rbconn;
struct nf_conncount_tuple *conn;
unsigned int count = 0, gc_count = 0;
- u8 keylen = data->keylen;
bool do_gc = true;
spin_lock_bh(&nf_conncount_locks[hash]);
@@ -322,7 +321,7 @@ insert_tree(struct net *net,
rbconn = rb_entry(*rbnode, struct nf_conncount_rb, node);
parent = *rbnode;
- diff = key_diff(key, rbconn->key, keylen);
+ diff = key_diff(key, rbconn->key, data->keylen);
if (diff < 0) {
rbnode = &((*rbnode)->rb_left);
} else if (diff > 0) {
@@ -367,7 +366,7 @@ insert_tree(struct net *net,
conn->tuple = *tuple;
conn->zone = *zone;
- memcpy(rbconn->key, key, sizeof(u32) * keylen);
+ memcpy(rbconn->key, key, sizeof(u32) * data->keylen);
nf_conncount_list_init(&rbconn->list);
list_add(&conn->node, &rbconn->list.head);
@@ -392,7 +391,6 @@ count_tree(struct net *net,
struct rb_node *parent;
struct nf_conncount_rb *rbconn;
unsigned int hash;
- u8 keylen = data->keylen;
hash = jhash2(key, data->keylen, conncount_rnd) % CONNCOUNT_SLOTS;
root = &data->root[hash];
@@ -403,7 +401,7 @@ count_tree(struct net *net,
rbconn = rb_entry(parent, struct nf_conncount_rb, node);
- diff = key_diff(key, rbconn->key, keylen);
+ diff = key_diff(key, rbconn->key, data->keylen);
if (diff < 0) {
parent = rcu_dereference_raw(parent->rb_left);
} else if (diff > 0) {
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 7ee0b57b3ed4..9b4a9bdbeafd 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -749,12 +749,15 @@ static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb,
* queue, accept the collision, update the host tags.
*/
q->way_collisions++;
- if (q->flows[outer_hash + k].set == CAKE_SET_BULK) {
- q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--;
- q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--;
- }
allocate_src = cake_dsrc(flow_mode);
allocate_dst = cake_ddst(flow_mode);
+
+ if (q->flows[outer_hash + k].set == CAKE_SET_BULK) {
+ if (allocate_src)
+ q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--;
+ if (allocate_dst)
+ q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--;
+ }
found:
/* reserve queue for future packets in same flow */
reduced_hash = outer_hash + k;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 591ca93e2a01..9913bf87e598 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -733,11 +733,10 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
err = qdisc_enqueue(skb, q->qdisc, &to_free);
kfree_skb_list(to_free);
- if (err != NET_XMIT_SUCCESS &&
- net_xmit_drop_count(err)) {
- qdisc_qstats_drop(sch);
- qdisc_tree_reduce_backlog(sch, 1,
- pkt_len);
+ if (err != NET_XMIT_SUCCESS) {
+ if (net_xmit_drop_count(err))
+ qdisc_qstats_drop(sch);
+ qdisc_tree_reduce_backlog(sch, 1, pkt_len);
}
goto tfifo_dequeue;
}
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 39d0a3c43482..e88b9e53dcb6 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2437,6 +2437,13 @@ static void xs_tcp_setup_socket(struct work_struct *work)
case -EALREADY:
xprt_unlock_connect(xprt, transport);
return;
+ case -EPERM:
+ /* Happens, for instance, if a BPF program is preventing
+ * the connect. Remap the error so upper layers can better
+ * deal with it.
+ */
+ status = -ECONNREFUSED;
+ fallthrough;
case -EINVAL:
/* Happens, for instance, if the user specified a link
* local IPv6 address without a scope-id.
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index ae6aae983b8c..c47a734e1f2d 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -605,9 +605,6 @@ static void init_peercred(struct sock *sk)
static void copy_peercred(struct sock *sk, struct sock *peersk)
{
- const struct cred *old_cred;
- struct pid *old_pid;
-
if (sk < peersk) {
spin_lock(&sk->sk_peer_lock);
spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING);
@@ -615,16 +612,12 @@ static void copy_peercred(struct sock *sk, struct sock *peersk)
spin_lock(&peersk->sk_peer_lock);
spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING);
}
- old_pid = sk->sk_peer_pid;
- old_cred = sk->sk_peer_cred;
+
sk->sk_peer_pid = get_pid(peersk->sk_peer_pid);
sk->sk_peer_cred = get_cred(peersk->sk_peer_cred);
spin_unlock(&sk->sk_peer_lock);
spin_unlock(&peersk->sk_peer_lock);
-
- put_pid(old_pid);
- put_cred(old_cred);
}
static int unix_listen(struct socket *sock, int backlog)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index c74882e3c309..b28e652514e8 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1003,7 +1003,7 @@ struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
}
EXPORT_SYMBOL(cfg80211_get_bss);
-static void rb_insert_bss(struct cfg80211_registered_device *rdev,
+static bool rb_insert_bss(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *bss)
{
struct rb_node **p = &rdev->bss_tree.rb_node;
@@ -1019,7 +1019,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev,
if (WARN_ON(!cmp)) {
/* will sort of leak this BSS */
- return;
+ return false;
}
if (cmp < 0)
@@ -1030,6 +1030,7 @@ static void rb_insert_bss(struct cfg80211_registered_device *rdev,
rb_link_node(&bss->rbn, parent, p);
rb_insert_color(&bss->rbn, &rdev->bss_tree);
+ return true;
}
static struct cfg80211_internal_bss *
@@ -1056,6 +1057,34 @@ rb_find_bss(struct cfg80211_registered_device *rdev,
return NULL;
}
+static void cfg80211_insert_bss(struct cfg80211_registered_device *rdev,
+ struct cfg80211_internal_bss *bss)
+{
+ lockdep_assert_held(&rdev->bss_lock);
+
+ if (!rb_insert_bss(rdev, bss))
+ return;
+ list_add_tail(&bss->list, &rdev->bss_list);
+ rdev->bss_entries++;
+}
+
+static void cfg80211_rehash_bss(struct cfg80211_registered_device *rdev,
+ struct cfg80211_internal_bss *bss)
+{
+ lockdep_assert_held(&rdev->bss_lock);
+
+ rb_erase(&bss->rbn, &rdev->bss_tree);
+ if (!rb_insert_bss(rdev, bss)) {
+ list_del(&bss->list);
+ if (!list_empty(&bss->hidden_list))
+ list_del_init(&bss->hidden_list);
+ if (!list_empty(&bss->pub.nontrans_list))
+ list_del_init(&bss->pub.nontrans_list);
+ rdev->bss_entries--;
+ }
+ rdev->bss_generation++;
+}
+
static bool cfg80211_combine_bsses(struct cfg80211_registered_device *rdev,
struct cfg80211_internal_bss *new)
{
@@ -1331,9 +1360,7 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
bss_ref_get(rdev, pbss);
}
- list_add_tail(&new->list, &rdev->bss_list);
- rdev->bss_entries++;
- rb_insert_bss(rdev, new);
+ cfg80211_insert_bss(rdev, new);
found = new;
}
@@ -2142,10 +2169,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
if (!WARN_ON(!__cfg80211_unlink_bss(rdev, new)))
rdev->bss_generation++;
}
-
- rb_erase(&cbss->rbn, &rdev->bss_tree);
- rb_insert_bss(rdev, cbss);
- rdev->bss_generation++;
+ cfg80211_rehash_bss(rdev, cbss);
list_for_each_entry_safe(nontrans_bss, tmp,
&cbss->pub.nontrans_list,
@@ -2153,9 +2177,7 @@ void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
bss = container_of(nontrans_bss,
struct cfg80211_internal_bss, pub);
bss->pub.channel = chan;
- rb_erase(&bss->rbn, &rdev->bss_tree);
- rb_insert_bss(rdev, bss);
- rdev->bss_generation++;
+ cfg80211_rehash_bss(rdev, bss);
}
done:
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 62736465ac82..efe04f54be9e 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -1593,6 +1593,10 @@ int __aafs_profile_mkdir(struct aa_profile *profile, struct dentry *parent)
struct aa_profile *p;
p = aa_deref_parent(profile);
dent = prof_dir(p);
+ if (!dent) {
+ error = -ENOENT;
+ goto fail2;
+ }
/* adding to parent that previously didn't have children */
dent = aafs_create_dir("profiles", dent);
if (IS_ERR(dent))
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 072ce1ef6efb..a9582737c230 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3640,12 +3640,18 @@ static int smack_unix_stream_connect(struct sock *sock,
}
}
- /*
- * Cross reference the peer labels for SO_PEERSEC.
- */
if (rc == 0) {
+ /*
+ * Cross reference the peer labels for SO_PEERSEC.
+ */
nsp->smk_packet = ssp->smk_out;
ssp->smk_packet = osp->smk_out;
+
+ /*
+ * new/child/established socket must inherit listening socket labels
+ */
+ nsp->smk_out = osp->smk_out;
+ nsp->smk_in = osp->smk_in;
}
return rc;
@@ -4196,7 +4202,7 @@ static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
rcu_read_unlock();
if (hskp == NULL)
- rc = netlbl_req_setattr(req, &skp->smk_netlabel);
+ rc = netlbl_req_setattr(req, &ssp->smk_out->smk_netlabel);
else
netlbl_req_delattr(req);
diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c
index 2efee794cac6..79ccec2da387 100644
--- a/sound/hda/hdmi_chmap.c
+++ b/sound/hda/hdmi_chmap.c
@@ -753,6 +753,20 @@ static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
return 0;
}
+/* a simple sanity check for input values to chmap kcontrol */
+static int chmap_value_check(struct hdac_chmap *hchmap,
+ const struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+
+ for (i = 0; i < hchmap->channels_max; i++) {
+ if (ucontrol->value.integer.value[i] < 0 ||
+ ucontrol->value.integer.value[i] > SNDRV_CHMAP_LAST)
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -764,6 +778,10 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
unsigned char chmap[8], per_pin_chmap[8];
int i, err, ca, prepared = 0;
+ err = chmap_value_check(hchmap, ucontrol);
+ if (err < 0)
+ return err;
+
/* No monitor is connected in dyn_pcm_assign.
* It's invalid to setup the chmap
*/
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index ba70e053c3a2..d0f26d7ed861 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -217,6 +217,7 @@ enum {
CXT_FIXUP_HEADSET_MIC,
CXT_FIXUP_HP_MIC_NO_PRESENCE,
CXT_PINCFG_SWS_JS201D,
+ CXT_PINCFG_TOP_SPEAKER,
};
/* for hda_fixup_thinkpad_acpi() */
@@ -871,6 +872,13 @@ static const struct hda_fixup cxt_fixups[] = {
.type = HDA_FIXUP_PINS,
.v.pins = cxt_pincfg_sws_js201d,
},
+ [CXT_PINCFG_TOP_SPEAKER] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x1d, 0x82170111 },
+ { }
+ },
+ },
};
static const struct snd_pci_quirk cxt5045_fixups[] = {
@@ -965,6 +973,8 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004),
SND_PCI_QUIRK(0x1c06, 0x2012, "Lemote A1205", CXT_PINCFG_LEMOTE_A1205),
+ SND_PCI_QUIRK(0x2782, 0x12c3, "Sirius Gen1", CXT_PINCFG_TOP_SPEAKER),
+ SND_PCI_QUIRK(0x2782, 0x12c5, "Sirius Gen2", CXT_PINCFG_TOP_SPEAKER),
{}
};
@@ -983,6 +993,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = {
{ .id = CXT_FIXUP_HP_MIC_NO_PRESENCE, .name = "hp-mic-fix" },
{ .id = CXT_PINCFG_LENOVO_NOTEBOOK, .name = "lenovo-20149" },
{ .id = CXT_PINCFG_SWS_JS201D, .name = "sws-js201d" },
+ { .id = CXT_PINCFG_TOP_SPEAKER, .name = "sirius-top-speaker" },
{}
};
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 56c9c4189f26..9f764d92469e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -4003,6 +4003,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_POST_PMD:
kfree(substream->runtime);
+ substream->runtime = NULL;
break;
default:
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 870b00229353..df8a1cd09193 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -993,6 +993,8 @@ static int soc_tplg_denum_create_values(struct soc_enum *se,
se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
}
+ se->items = le32_to_cpu(ec->items);
+ se->values = (const unsigned int *)se->dobj.control.dvalues;
return 0;
}
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index b8849812449c..98e34c517267 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -4754,7 +4754,7 @@ __bpf_map__iter(const struct bpf_map *m, const struct bpf_object *obj, int i)
struct bpf_map *
bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj)
{
- if (prev == NULL)
+ if (prev == NULL && obj != NULL)
return obj->maps;
return __bpf_map__iter(prev, obj, 1);
@@ -4763,7 +4763,7 @@ bpf_map__next(const struct bpf_map *prev, const struct bpf_object *obj)
struct bpf_map *
bpf_map__prev(const struct bpf_map *next, const struct bpf_object *obj)
{
- if (next == NULL) {
+ if (next == NULL && obj != NULL) {
if (!obj->nr_maps)
return NULL;
return obj->maps + obj->nr_maps - 1;
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