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;