From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, jslaby@suse.cz,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Linux 6.6.68
Date: Fri, 27 Dec 2024 14:45:14 +0100 [thread overview]
Message-ID: <2024122713-sweat-strum-caba@gregkh> (raw)
In-Reply-To: <2024122713-plunging-giggly-c6f9@gregkh>
diff --git a/Documentation/ABI/testing/sysfs-fs-xfs b/Documentation/ABI/testing/sysfs-fs-xfs
index f704925f6fe9..82d8e2f79834 100644
--- a/Documentation/ABI/testing/sysfs-fs-xfs
+++ b/Documentation/ABI/testing/sysfs-fs-xfs
@@ -1,7 +1,7 @@
What: /sys/fs/xfs/<disk>/log/log_head_lsn
Date: July 2014
KernelVersion: 3.17
-Contact: xfs@oss.sgi.com
+Contact: linux-xfs@vger.kernel.org
Description:
The log sequence number (LSN) of the current head of the
log. The LSN is exported in "cycle:basic block" format.
@@ -10,7 +10,7 @@ Users: xfstests
What: /sys/fs/xfs/<disk>/log/log_tail_lsn
Date: July 2014
KernelVersion: 3.17
-Contact: xfs@oss.sgi.com
+Contact: linux-xfs@vger.kernel.org
Description:
The log sequence number (LSN) of the current tail of the
log. The LSN is exported in "cycle:basic block" format.
@@ -18,7 +18,7 @@ Description:
What: /sys/fs/xfs/<disk>/log/reserve_grant_head
Date: July 2014
KernelVersion: 3.17
-Contact: xfs@oss.sgi.com
+Contact: linux-xfs@vger.kernel.org
Description:
The current state of the log reserve grant head. It
represents the total log reservation of all currently
@@ -29,7 +29,7 @@ Users: xfstests
What: /sys/fs/xfs/<disk>/log/write_grant_head
Date: July 2014
KernelVersion: 3.17
-Contact: xfs@oss.sgi.com
+Contact: linux-xfs@vger.kernel.org
Description:
The current state of the log write grant head. It
represents the total log reservation of all currently
diff --git a/Documentation/devicetree/bindings/net/fsl,fec.yaml b/Documentation/devicetree/bindings/net/fsl,fec.yaml
index b494e009326e..9925563e5e14 100644
--- a/Documentation/devicetree/bindings/net/fsl,fec.yaml
+++ b/Documentation/devicetree/bindings/net/fsl,fec.yaml
@@ -182,6 +182,13 @@ properties:
description:
Register bits of stop mode control, the format is <&gpr req_gpr req_bit>.
+ fsl,pps-channel:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 0
+ description:
+ Specifies to which timer instance the PPS signal is routed.
+ enum: [0, 1, 2, 3]
+
mdio:
$ref: mdio.yaml#
unevaluatedProperties: false
diff --git a/Makefile b/Makefile
index e5c3df67faf8..d57bf1b75593 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
-SUBLEVEL = 67
+SUBLEVEL = 68
EXTRAVERSION =
NAME = Pinguïn Aangedreven
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile
index 92d005958dfb..ff172cbe5881 100644
--- a/arch/hexagon/Makefile
+++ b/arch/hexagon/Makefile
@@ -32,3 +32,9 @@ KBUILD_LDFLAGS += $(ldflags-y)
TIR_NAME := r19
KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
+
+# Disable HexagonConstExtenders pass for LLVM versions prior to 19.1.0
+# https://github.com/llvm/llvm-project/issues/99714
+ifneq ($(call clang-min-version, 190100),y)
+KBUILD_CFLAGS += -mllvm -hexagon-cext=false
+endif
diff --git a/arch/mips/boot/dts/loongson/loongson64g_4core_ls7a.dts b/arch/mips/boot/dts/loongson/loongson64g_4core_ls7a.dts
index c945f8565d54..fb180cb2b8e2 100644
--- a/arch/mips/boot/dts/loongson/loongson64g_4core_ls7a.dts
+++ b/arch/mips/boot/dts/loongson/loongson64g_4core_ls7a.dts
@@ -33,6 +33,7 @@ msi: msi-controller@2ff00000 {
compatible = "loongson,pch-msi-1.0";
reg = <0 0x2ff00000 0 0x8>;
interrupt-controller;
+ #interrupt-cells = <1>;
msi-controller;
loongson,msi-base-vec = <64>;
loongson,msi-num-vecs = <192>;
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index ac042a9a61f5..7e6763c2bc01 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -36,6 +36,26 @@
u32 kvm_cpu_caps[NR_KVM_CPU_CAPS] __read_mostly;
EXPORT_SYMBOL_GPL(kvm_cpu_caps);
+struct cpuid_xstate_sizes {
+ u32 eax;
+ u32 ebx;
+ u32 ecx;
+};
+
+static struct cpuid_xstate_sizes xstate_sizes[XFEATURE_MAX] __ro_after_init;
+
+void __init kvm_init_xstate_sizes(void)
+{
+ u32 ign;
+ int i;
+
+ for (i = XFEATURE_YMM; i < ARRAY_SIZE(xstate_sizes); i++) {
+ struct cpuid_xstate_sizes *xs = &xstate_sizes[i];
+
+ cpuid_count(0xD, i, &xs->eax, &xs->ebx, &xs->ecx, &ign);
+ }
+}
+
u32 xstate_required_size(u64 xstate_bv, bool compacted)
{
int feature_bit = 0;
@@ -44,14 +64,15 @@ u32 xstate_required_size(u64 xstate_bv, bool compacted)
xstate_bv &= XFEATURE_MASK_EXTEND;
while (xstate_bv) {
if (xstate_bv & 0x1) {
- u32 eax, ebx, ecx, edx, offset;
- cpuid_count(0xD, feature_bit, &eax, &ebx, &ecx, &edx);
+ struct cpuid_xstate_sizes *xs = &xstate_sizes[feature_bit];
+ u32 offset;
+
/* ECX[1]: 64B alignment in compacted form */
if (compacted)
- offset = (ecx & 0x2) ? ALIGN(ret, 64) : ret;
+ offset = (xs->ecx & 0x2) ? ALIGN(ret, 64) : ret;
else
- offset = ebx;
- ret = max(ret, offset + eax);
+ offset = xs->ebx;
+ ret = max(ret, offset + xs->eax);
}
xstate_bv >>= 1;
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 57ee789ada14..110dae2b0e49 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -32,6 +32,7 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu,
bool kvm_cpuid(struct kvm_vcpu *vcpu, u32 *eax, u32 *ebx,
u32 *ecx, u32 *edx, bool exact_only);
+void __init kvm_init_xstate_sizes(void);
u32 xstate_required_size(u64 xstate_bv, bool compacted);
int cpuid_query_maxphyaddr(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 50cc822e1290..dcd0c12c308e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9825,7 +9825,7 @@ static int complete_hypercall_exit(struct kvm_vcpu *vcpu)
{
u64 ret = vcpu->run->hypercall.ret;
- if (!is_64_bit_mode(vcpu))
+ if (!is_64_bit_hypercall(vcpu))
ret = (u32)ret;
kvm_rax_write(vcpu, ret);
++vcpu->stat.hypercalls;
@@ -13694,6 +13694,8 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_vmgexit_msr_protocol_exit);
static int __init kvm_x86_init(void)
{
+ kvm_init_xstate_sizes();
+
kvm_mmu_x86_module_init();
mitigate_smt_rsb &= boot_cpu_has_bug(X86_BUG_SMT_RSB) && cpu_smt_possible();
return 0;
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 27f9ae16a728..1e257ecd624d 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -538,6 +538,12 @@ static ssize_t backing_dev_store(struct device *dev,
}
nr_pages = i_size_read(inode) >> PAGE_SHIFT;
+ /* Refuse to use zero sized device (also prevents self reference) */
+ if (!nr_pages) {
+ err = -EINVAL;
+ goto out;
+ }
+
bitmap_sz = BITS_TO_LONGS(nr_pages) * sizeof(long);
bitmap = kvzalloc(bitmap_sz, GFP_KERNEL);
if (!bitmap) {
@@ -1232,12 +1238,16 @@ static void zram_meta_free(struct zram *zram, u64 disksize)
size_t num_pages = disksize >> PAGE_SHIFT;
size_t index;
+ if (!zram->table)
+ return;
+
/* Free all pages that are still in this zram device */
for (index = 0; index < num_pages; index++)
zram_free_page(zram, index);
zs_destroy_pool(zram->mem_pool);
vfree(zram->table);
+ zram->table = NULL;
}
static bool zram_meta_alloc(struct zram *zram, u64 disksize)
@@ -2017,11 +2027,6 @@ static void zram_reset_device(struct zram *zram)
zram->limit_pages = 0;
- if (!init_done(zram)) {
- up_write(&zram->init_lock);
- return;
- }
-
set_capacity_and_notify(zram->disk, 0);
part_stat_set_all(zram->disk->part0, 0);
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 7a9357f42dad..d7f7f88009d7 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1167,6 +1167,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
struct cxl_region_params *p = &cxlr->params;
struct cxl_decoder *cxld = cxl_rr->decoder;
struct cxl_switch_decoder *cxlsd;
+ struct cxl_port *iter = port;
u16 eig, peig;
u8 eiw, peiw;
@@ -1183,16 +1184,26 @@ static int cxl_port_setup_targets(struct cxl_port *port,
cxlsd = to_cxl_switch_decoder(&cxld->dev);
if (cxl_rr->nr_targets_set) {
- int i, distance;
+ int i, distance = 1;
+ struct cxl_region_ref *cxl_rr_iter;
/*
- * Passthrough decoders impose no distance requirements between
- * peers
+ * The "distance" between peer downstream ports represents which
+ * endpoint positions in the region interleave a given port can
+ * host.
+ *
+ * For example, at the root of a hierarchy the distance is
+ * always 1 as every index targets a different host-bridge. At
+ * each subsequent switch level those ports map every Nth region
+ * position where N is the width of the switch == distance.
*/
- if (cxl_rr->nr_targets == 1)
- distance = 0;
- else
- distance = p->nr_targets / cxl_rr->nr_targets;
+ do {
+ cxl_rr_iter = cxl_rr_load(iter, cxlr);
+ distance *= cxl_rr_iter->nr_targets;
+ iter = to_cxl_port(iter->dev.parent);
+ } while (!is_cxl_root(iter));
+ distance *= cxlrd->cxlsd.cxld.interleave_ways;
+
for (i = 0; i < cxl_rr->nr_targets_set; i++)
if (ep->dport == cxlsd->target[i]) {
rc = check_last_peer(cxled, ep, cxl_rr,
diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 8bece1e2e249..aacd93f9067d 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -911,8 +911,7 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (rc)
return rc;
- rc = cxl_pci_ras_unmask(pdev);
- if (rc)
+ if (cxl_pci_ras_unmask(pdev))
dev_dbg(&pdev->dev, "No RAS reporting unmasked\n");
pci_save_state(pdev);
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 820c993c8659..d1fcdd1f9aae 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -194,7 +194,7 @@ static const struct dma_buf_ops udmabuf_ops = {
};
#define SEALS_WANTED (F_SEAL_SHRINK)
-#define SEALS_DENIED (F_SEAL_WRITE)
+#define SEALS_DENIED (F_SEAL_WRITE|F_SEAL_FUTURE_WRITE)
static long udmabuf_create(struct miscdevice *device,
struct udmabuf_create_list *head,
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index b61c7f02a8c1..9cd86390a167 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3620,36 +3620,24 @@ static bool dct_ecc_enabled(struct amd64_pvt *pvt)
static bool umc_ecc_enabled(struct amd64_pvt *pvt)
{
- u8 umc_en_mask = 0, ecc_en_mask = 0;
- u16 nid = pvt->mc_node_id;
struct amd64_umc *umc;
- u8 ecc_en = 0, i;
+ bool ecc_en = false;
+ int i;
+ /* Check whether at least one UMC is enabled: */
for_each_umc(i) {
umc = &pvt->umc[i];
- /* Only check enabled UMCs. */
- if (!(umc->sdp_ctrl & UMC_SDP_INIT))
- continue;
-
- umc_en_mask |= BIT(i);
-
- if (umc->umc_cap_hi & UMC_ECC_ENABLED)
- ecc_en_mask |= BIT(i);
+ if (umc->sdp_ctrl & UMC_SDP_INIT &&
+ umc->umc_cap_hi & UMC_ECC_ENABLED) {
+ ecc_en = true;
+ break;
+ }
}
- /* Check whether at least one UMC is enabled: */
- if (umc_en_mask)
- ecc_en = umc_en_mask == ecc_en_mask;
- else
- edac_dbg(0, "Node %d: No enabled UMCs.\n", nid);
-
- edac_dbg(3, "Node %d: DRAM ECC %s.\n", nid, (ecc_en ? "enabled" : "disabled"));
+ edac_dbg(3, "Node %d: DRAM ECC %s.\n", pvt->mc_node_id, (ecc_en ? "enabled" : "disabled"));
- if (!ecc_en)
- return false;
- else
- return true;
+ return ecc_en;
}
static inline void
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 99dd86337e84..49a6b6b88843 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -159,7 +159,6 @@ void amdgpu_job_set_resources(struct amdgpu_job *job, struct amdgpu_bo *gds,
void amdgpu_job_free_resources(struct amdgpu_job *job)
{
- struct amdgpu_ring *ring = to_amdgpu_ring(job->base.sched);
struct dma_fence *f;
unsigned i;
@@ -172,7 +171,7 @@ void amdgpu_job_free_resources(struct amdgpu_job *job)
f = NULL;
for (i = 0; i < job->num_ibs; ++i)
- amdgpu_ib_free(ring->adev, &job->ibs[i], f);
+ amdgpu_ib_free(NULL, &job->ibs[i], f);
}
static void amdgpu_job_free_cb(struct drm_sched_job *s_job)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index f02b6232680f..2992ce494e00 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1161,10 +1161,9 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
* next command submission.
*/
if (bo && bo->tbo.base.resv == vm->root.bo->tbo.base.resv) {
- uint32_t mem_type = bo->tbo.resource->mem_type;
-
- if (!(bo->preferred_domains &
- amdgpu_mem_type_to_domain(mem_type)))
+ if (bo->tbo.resource &&
+ !(bo->preferred_domains &
+ amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type)))
amdgpu_vm_bo_evicted(&bo_va->base);
else
amdgpu_vm_bo_idle(&bo_va->base);
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index ac9a406250c5..9325b015c6c0 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1285,14 +1285,11 @@ EXPORT_SYMBOL(drm_mode_set_name);
*/
int drm_mode_vrefresh(const struct drm_display_mode *mode)
{
- unsigned int num, den;
+ unsigned int num = 1, den = 1;
if (mode->htotal == 0 || mode->vtotal == 0)
return 0;
- num = mode->clock;
- den = mode->htotal * mode->vtotal;
-
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
num *= 2;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -1300,6 +1297,12 @@ int drm_mode_vrefresh(const struct drm_display_mode *mode)
if (mode->vscan > 1)
den *= mode->vscan;
+ if (check_mul_overflow(mode->clock, num, &num))
+ return 0;
+
+ if (check_mul_overflow(mode->htotal * mode->vtotal, den, &den))
+ return 0;
+
return DIV_ROUND_CLOSEST_ULL(mul_u32_u32(num, 1000), den);
}
EXPORT_SYMBOL(drm_mode_vrefresh);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index a7e677598004..5a7e464b4fb3 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -343,6 +343,11 @@ struct intel_engine_guc_stats {
* @start_gt_clk: GT clock time of last idle to active transition.
*/
u64 start_gt_clk;
+
+ /**
+ * @total: The last value of total returned
+ */
+ u64 total;
};
union intel_engine_tlb_inv_reg {
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 236dfff81fea..ccaf9437cd0d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1229,6 +1229,21 @@ static void __get_engine_usage_record(struct intel_engine_cs *engine,
} while (++i < 6);
}
+static void __set_engine_usage_record(struct intel_engine_cs *engine,
+ u32 last_in, u32 id, u32 total)
+{
+ struct iosys_map rec_map = intel_guc_engine_usage_record_map(engine);
+
+#define record_write(map_, field_, val_) \
+ iosys_map_wr_field(map_, 0, struct guc_engine_usage_record, field_, val_)
+
+ record_write(&rec_map, last_switch_in_stamp, last_in);
+ record_write(&rec_map, current_context_index, id);
+ record_write(&rec_map, total_runtime, total);
+
+#undef record_write
+}
+
static void guc_update_engine_gt_clks(struct intel_engine_cs *engine)
{
struct intel_engine_guc_stats *stats = &engine->stats.guc;
@@ -1347,9 +1362,12 @@ static ktime_t guc_engine_busyness(struct intel_engine_cs *engine, ktime_t *now)
total += intel_gt_clock_interval_to_ns(gt, clk);
}
+ if (total > stats->total)
+ stats->total = total;
+
spin_unlock_irqrestore(&guc->timestamp.lock, flags);
- return ns_to_ktime(total);
+ return ns_to_ktime(stats->total);
}
static void guc_enable_busyness_worker(struct intel_guc *guc)
@@ -1376,8 +1394,21 @@ static void __reset_guc_busyness_stats(struct intel_guc *guc)
guc_update_pm_timestamp(guc, &unused);
for_each_engine(engine, gt, id) {
+ struct intel_engine_guc_stats *stats = &engine->stats.guc;
+
guc_update_engine_gt_clks(engine);
- engine->stats.guc.prev_total = 0;
+
+ /*
+ * If resetting a running context, accumulate the active
+ * time as well since there will be no context switch.
+ */
+ if (stats->running) {
+ u64 clk = guc->timestamp.gt_stamp - stats->start_gt_clk;
+
+ stats->total_gt_clks += clk;
+ }
+ stats->prev_total = 0;
+ stats->running = 0;
}
spin_unlock_irqrestore(&guc->timestamp.lock, flags);
@@ -1488,6 +1519,9 @@ static void guc_timestamp_ping(struct work_struct *wrk)
static int guc_action_enable_usage_stats(struct intel_guc *guc)
{
+ struct intel_gt *gt = guc_to_gt(guc);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
u32 offset = intel_guc_engine_usage_offset(guc);
u32 action[] = {
INTEL_GUC_ACTION_SET_ENG_UTIL_BUFF,
@@ -1495,6 +1529,9 @@ static int guc_action_enable_usage_stats(struct intel_guc *guc)
0,
};
+ for_each_engine(engine, gt, id)
+ __set_engine_usage_record(engine, 0, 0xffffffff, 0);
+
return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c
index 4be5013330ec..a7e1c2db5e24 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt35950.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c
@@ -569,9 +569,9 @@ static int nt35950_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(dev, -EPROBE_DEFER, "Cannot get secondary DSI host\n");
nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info);
- if (!nt->dsi[1]) {
+ if (IS_ERR(nt->dsi[1])) {
dev_err(dev, "Cannot get secondary DSI node\n");
- return -ENODEV;
+ return PTR_ERR(nt->dsi[1]);
}
num_dsis++;
}
diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
index d35b60c06114..77017d951826 100644
--- a/drivers/hv/hv_kvp.c
+++ b/drivers/hv/hv_kvp.c
@@ -767,6 +767,12 @@ hv_kvp_init(struct hv_util_service *srv)
*/
kvp_transaction.state = HVUTIL_DEVICE_INIT;
+ return 0;
+}
+
+int
+hv_kvp_init_transport(void)
+{
hvt = hvutil_transport_init(kvp_devname, CN_KVP_IDX, CN_KVP_VAL,
kvp_on_msg, kvp_on_reset);
if (!hvt)
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index 0d2184be1691..397f4c8fa46c 100644
--- a/drivers/hv/hv_snapshot.c
+++ b/drivers/hv/hv_snapshot.c
@@ -388,6 +388,12 @@ hv_vss_init(struct hv_util_service *srv)
*/
vss_transaction.state = HVUTIL_DEVICE_INIT;
+ return 0;
+}
+
+int
+hv_vss_init_transport(void)
+{
hvt = hvutil_transport_init(vss_devname, CN_VSS_IDX, CN_VSS_VAL,
vss_on_msg, vss_on_reset);
if (!hvt) {
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 42aec2c5606a..3e440a530159 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -141,6 +141,7 @@ static struct hv_util_service util_heartbeat = {
static struct hv_util_service util_kvp = {
.util_cb = hv_kvp_onchannelcallback,
.util_init = hv_kvp_init,
+ .util_init_transport = hv_kvp_init_transport,
.util_pre_suspend = hv_kvp_pre_suspend,
.util_pre_resume = hv_kvp_pre_resume,
.util_deinit = hv_kvp_deinit,
@@ -149,6 +150,7 @@ static struct hv_util_service util_kvp = {
static struct hv_util_service util_vss = {
.util_cb = hv_vss_onchannelcallback,
.util_init = hv_vss_init,
+ .util_init_transport = hv_vss_init_transport,
.util_pre_suspend = hv_vss_pre_suspend,
.util_pre_resume = hv_vss_pre_resume,
.util_deinit = hv_vss_deinit,
@@ -592,6 +594,13 @@ static int util_probe(struct hv_device *dev,
if (ret)
goto error;
+ if (srv->util_init_transport) {
+ ret = srv->util_init_transport();
+ if (ret) {
+ vmbus_close(dev->channel);
+ goto error;
+ }
+ }
return 0;
error:
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index f6b1e710f805..787b15068641 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -370,12 +370,14 @@ void vmbus_on_event(unsigned long data);
void vmbus_on_msg_dpc(unsigned long data);
int hv_kvp_init(struct hv_util_service *srv);
+int hv_kvp_init_transport(void);
void hv_kvp_deinit(void);
int hv_kvp_pre_suspend(void);
int hv_kvp_pre_resume(void);
void hv_kvp_onchannelcallback(void *context);
int hv_vss_init(struct hv_util_service *srv);
+int hv_vss_init_transport(void);
void hv_vss_deinit(void);
int hv_vss_pre_suspend(void);
int hv_vss_pre_resume(void);
diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c
index 9a180b1030c9..070f93226ed6 100644
--- a/drivers/hwmon/tmp513.c
+++ b/drivers/hwmon/tmp513.c
@@ -19,15 +19,20 @@
* the Free Software Foundation; version 2 of the License.
*/
+#include <linux/bitops.h>
+#include <linux/bug.h>
+#include <linux/device.h>
#include <linux/err.h>
#include <linux/hwmon.h>
#include <linux/i2c.h>
#include <linux/init.h>
-#include <linux/kernel.h>
+#include <linux/math.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/slab.h>
-#include <linux/util_macros.h>
+#include <linux/types.h>
+#include <linux/units.h>
// Common register definition
#define TMP51X_SHUNT_CONFIG 0x00
@@ -100,8 +105,8 @@
#define TMP51X_REMOTE_TEMP_LIMIT_2_POS 8
#define TMP513_REMOTE_TEMP_LIMIT_3_POS 7
-#define TMP51X_VBUS_RANGE_32V 32000000
-#define TMP51X_VBUS_RANGE_16V 16000000
+#define TMP51X_VBUS_RANGE_32V (32 * MICRO)
+#define TMP51X_VBUS_RANGE_16V (16 * MICRO)
// Max and Min value
#define MAX_BUS_VOLTAGE_32_LIMIT 32764
@@ -173,7 +178,7 @@ struct tmp51x_data {
struct regmap *regmap;
};
-// Set the shift based on the gain 8=4, 4=3, 2=2, 1=1
+// Set the shift based on the gain: 8 -> 1, 4 -> 2, 2 -> 3, 1 -> 4
static inline u8 tmp51x_get_pga_shift(struct tmp51x_data *data)
{
return 5 - ffs(data->pga_gain);
@@ -195,8 +200,10 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
* 2's complement number shifted by one to four depending
* on the pga gain setting. 1lsb = 10uV
*/
- *val = sign_extend32(regval, 17 - tmp51x_get_pga_shift(data));
- *val = DIV_ROUND_CLOSEST(*val * 10000, data->shunt_uohms);
+ *val = sign_extend32(regval,
+ reg == TMP51X_SHUNT_CURRENT_RESULT ?
+ 16 - tmp51x_get_pga_shift(data) : 15);
+ *val = DIV_ROUND_CLOSEST(*val * 10 * MILLI, data->shunt_uohms);
break;
case TMP51X_BUS_VOLTAGE_RESULT:
case TMP51X_BUS_VOLTAGE_H_LIMIT:
@@ -211,8 +218,8 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
break;
case TMP51X_BUS_CURRENT_RESULT:
// Current = (ShuntVoltage * CalibrationRegister) / 4096
- *val = sign_extend32(regval, 16) * data->curr_lsb_ua;
- *val = DIV_ROUND_CLOSEST(*val, 1000);
+ *val = sign_extend32(regval, 15) * (long)data->curr_lsb_ua;
+ *val = DIV_ROUND_CLOSEST(*val, MILLI);
break;
case TMP51X_LOCAL_TEMP_RESULT:
case TMP51X_REMOTE_TEMP_RESULT_1:
@@ -223,7 +230,7 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
case TMP51X_REMOTE_TEMP_LIMIT_2:
case TMP513_REMOTE_TEMP_LIMIT_3:
// 1lsb = 0.0625 degrees centigrade
- *val = sign_extend32(regval, 16) >> TMP51X_TEMP_SHIFT;
+ *val = sign_extend32(regval, 15) >> TMP51X_TEMP_SHIFT;
*val = DIV_ROUND_CLOSEST(*val * 625, 10);
break;
case TMP51X_N_FACTOR_AND_HYST_1:
@@ -252,7 +259,7 @@ static int tmp51x_set_value(struct tmp51x_data *data, u8 reg, long val)
* The user enter current value and we convert it to
* voltage. 1lsb = 10uV
*/
- val = DIV_ROUND_CLOSEST(val * data->shunt_uohms, 10000);
+ val = DIV_ROUND_CLOSEST(val * data->shunt_uohms, 10 * MILLI);
max_val = U16_MAX >> tmp51x_get_pga_shift(data);
regval = clamp_val(val, -max_val, max_val);
break;
@@ -542,18 +549,16 @@ static int tmp51x_calibrate(struct tmp51x_data *data)
if (data->shunt_uohms == 0)
return regmap_write(data->regmap, TMP51X_SHUNT_CALIBRATION, 0);
- max_curr_ma = DIV_ROUND_CLOSEST_ULL(vshunt_max * 1000 * 1000,
- data->shunt_uohms);
+ max_curr_ma = DIV_ROUND_CLOSEST_ULL(vshunt_max * MICRO, data->shunt_uohms);
/*
* Calculate the minimal bit resolution for the current and the power.
* Those values will be used during register interpretation.
*/
- data->curr_lsb_ua = DIV_ROUND_CLOSEST_ULL(max_curr_ma * 1000, 32767);
+ data->curr_lsb_ua = DIV_ROUND_CLOSEST_ULL(max_curr_ma * MILLI, 32767);
data->pwr_lsb_uw = 20 * data->curr_lsb_ua;
- div = DIV_ROUND_CLOSEST_ULL(data->curr_lsb_ua * data->shunt_uohms,
- 1000 * 1000);
+ div = DIV_ROUND_CLOSEST_ULL(data->curr_lsb_ua * data->shunt_uohms, MICRO);
return regmap_write(data->regmap, TMP51X_SHUNT_CALIBRATION,
DIV_ROUND_CLOSEST(40960, div));
@@ -628,9 +633,9 @@ static int tmp51x_vbus_range_to_reg(struct device *dev,
} else if (data->vbus_range_uvolt == TMP51X_VBUS_RANGE_16V) {
data->shunt_config &= ~TMP51X_BUS_VOLTAGE_MASK;
} else {
- dev_err(dev, "ti,bus-range-microvolt is invalid: %u\n",
- data->vbus_range_uvolt);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "ti,bus-range-microvolt is invalid: %u\n",
+ data->vbus_range_uvolt);
}
return 0;
}
@@ -646,8 +651,8 @@ static int tmp51x_pga_gain_to_reg(struct device *dev, struct tmp51x_data *data)
} else if (data->pga_gain == 1) {
data->shunt_config |= CURRENT_SENSE_VOLTAGE_40_MASK;
} else {
- dev_err(dev, "ti,pga-gain is invalid: %u\n", data->pga_gain);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "ti,pga-gain is invalid: %u\n", data->pga_gain);
}
return 0;
}
@@ -679,10 +684,10 @@ static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data)
memcpy(data->nfactor, nfactor, (data->id == tmp513) ? 3 : 2);
// Check if shunt value is compatible with pga-gain
- if (data->shunt_uohms > data->pga_gain * 40 * 1000 * 1000) {
- dev_err(dev, "shunt-resistor: %u too big for pga_gain: %u\n",
- data->shunt_uohms, data->pga_gain);
- return -EINVAL;
+ if (data->shunt_uohms > data->pga_gain * 40 * MICRO) {
+ return dev_err_probe(dev, -EINVAL,
+ "shunt-resistor: %u too big for pga_gain: %u\n",
+ data->shunt_uohms, data->pga_gain);
}
return 0;
@@ -723,22 +728,17 @@ static int tmp51x_probe(struct i2c_client *client)
data->id = (uintptr_t)i2c_get_match_data(client);
ret = tmp51x_configure(dev, data);
- if (ret < 0) {
- dev_err(dev, "error configuring the device: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "error configuring the device\n");
data->regmap = devm_regmap_init_i2c(client, &tmp51x_regmap_config);
- if (IS_ERR(data->regmap)) {
- dev_err(dev, "failed to allocate register map\n");
- return PTR_ERR(data->regmap);
- }
+ if (IS_ERR(data->regmap))
+ return dev_err_probe(dev, PTR_ERR(data->regmap),
+ "failed to allocate register map\n");
ret = tmp51x_init(data);
- if (ret < 0) {
- dev_err(dev, "error configuring the device: %d\n", ret);
- return -ENODEV;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "error configuring the device\n");
hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,
data,
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index f448505d5468..2b9cc86fb3ab 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -95,7 +95,7 @@ enum {
static inline int wait_timeout(struct i2c_pnx_algo_data *data)
{
- long timeout = data->timeout;
+ long timeout = jiffies_to_msecs(data->timeout);
while (timeout > 0 &&
(ioread32(I2C_REG_STS(data)) & mstatus_active)) {
mdelay(1);
@@ -106,7 +106,7 @@ static inline int wait_timeout(struct i2c_pnx_algo_data *data)
static inline int wait_reset(struct i2c_pnx_algo_data *data)
{
- long timeout = data->timeout;
+ long timeout = jiffies_to_msecs(data->timeout);
while (timeout > 0 &&
(ioread32(I2C_REG_CTL(data)) & mcntrl_reset)) {
mdelay(1);
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index e43ff483c56e..854fcefbcb4e 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -324,7 +324,7 @@ static int riic_init_hw(struct riic_dev *riic, struct i2c_timings *t)
if (brl <= (0x1F + 3))
break;
- total_ticks /= 2;
+ total_ticks = DIV_ROUND_UP(total_ticks, 2);
rate /= 2;
}
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 1896bf674607..4f4b7607eaa9 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2862,6 +2862,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
msdc_gate_clock(host);
platform_set_drvdata(pdev, NULL);
release_mem:
+ device_init_wakeup(&pdev->dev, false);
if (host->dma.gpd)
dma_free_coherent(&pdev->dev,
2 * sizeof(struct mt_gpdma_desc),
@@ -2895,6 +2896,7 @@ static void msdc_drv_remove(struct platform_device *pdev)
host->dma.gpd, host->dma.gpd_addr);
dma_free_coherent(&pdev->dev, MAX_BD_NUM * sizeof(struct mt_bdma_desc),
host->dma.bd, host->dma.bd_addr);
+ device_init_wakeup(&pdev->dev, false);
}
static void msdc_save_reg(struct msdc_host *host)
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 1ad0a6b3a2eb..7b6b82bec855 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -1525,7 +1525,6 @@ static const struct sdhci_pltfm_data sdhci_tegra186_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_SINGLE_POWER_WRITE |
SDHCI_QUIRK_NO_HISPD_BIT |
- SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER,
diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c
index b4381cd41979..3f4e8bac40c1 100644
--- a/drivers/net/ethernet/broadcom/bgmac-platform.c
+++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
@@ -171,6 +171,7 @@ static int platform_phy_connect(struct bgmac *bgmac)
static int bgmac_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
+ struct device_node *phy_node;
struct bgmac *bgmac;
struct resource *regs;
int ret;
@@ -236,7 +237,9 @@ static int bgmac_probe(struct platform_device *pdev)
bgmac->cco_ctl_maskset = platform_bgmac_cco_ctl_maskset;
bgmac->get_bus_clock = platform_bgmac_get_bus_clock;
bgmac->cmn_maskset32 = platform_bgmac_cmn_maskset32;
- if (of_parse_phandle(np, "phy-handle", 0)) {
+ phy_node = of_parse_phandle(np, "phy-handle", 0);
+ if (phy_node) {
+ of_node_put(phy_node);
bgmac->phy_connect = platform_phy_connect;
} else {
bgmac->phy_connect = bgmac_phy_connect_direct;
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c
index 455a54708be4..a83e7d3c2485 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c
@@ -346,8 +346,9 @@ static struct sk_buff *copy_gl_to_skb_pkt(const struct pkt_gl *gl,
* driver. Once driver synthesizes cpl_pass_accpet_req the skb will go
* through the regular cpl_pass_accept_req processing in TOM.
*/
- skb = alloc_skb(gl->tot_len + sizeof(struct cpl_pass_accept_req)
- - pktshift, GFP_ATOMIC);
+ skb = alloc_skb(size_add(gl->tot_len,
+ sizeof(struct cpl_pass_accept_req)) -
+ pktshift, GFP_ATOMIC);
if (unlikely(!skb))
return NULL;
__skb_put(skb, gl->tot_len + sizeof(struct cpl_pass_accept_req)
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index a4eb6edb850a..7f6b57432071 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -84,8 +84,7 @@
#define FEC_CC_MULT (1 << 31)
#define FEC_COUNTER_PERIOD (1 << 31)
#define PPS_OUPUT_RELOAD_PERIOD NSEC_PER_SEC
-#define FEC_CHANNLE_0 0
-#define DEFAULT_PPS_CHANNEL FEC_CHANNLE_0
+#define DEFAULT_PPS_CHANNEL 0
#define FEC_PTP_MAX_NSEC_PERIOD 4000000000ULL
#define FEC_PTP_MAX_NSEC_COUNTER 0x80000000ULL
@@ -525,7 +524,6 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
int ret = 0;
if (rq->type == PTP_CLK_REQ_PPS) {
- fep->pps_channel = DEFAULT_PPS_CHANNEL;
fep->reload_period = PPS_OUPUT_RELOAD_PERIOD;
ret = fec_ptp_enable_pps(fep, on);
@@ -536,10 +534,9 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
if (rq->perout.flags)
return -EOPNOTSUPP;
- if (rq->perout.index != DEFAULT_PPS_CHANNEL)
+ if (rq->perout.index != fep->pps_channel)
return -EOPNOTSUPP;
- fep->pps_channel = DEFAULT_PPS_CHANNEL;
period.tv_sec = rq->perout.period.sec;
period.tv_nsec = rq->perout.period.nsec;
period_ns = timespec64_to_ns(&period);
@@ -707,12 +704,16 @@ void fec_ptp_init(struct platform_device *pdev, int irq_idx)
{
struct net_device *ndev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(ndev);
+ struct device_node *np = fep->pdev->dev.of_node;
int irq;
int ret;
fep->ptp_caps.owner = THIS_MODULE;
strscpy(fep->ptp_caps.name, "fec ptp", sizeof(fep->ptp_caps.name));
+ fep->pps_channel = DEFAULT_PPS_CHANNEL;
+ of_property_read_u32(np, "fsl,pps-channel", &fep->pps_channel);
+
fep->ptp_caps.max_adj = 250000000;
fep->ptp_caps.n_alarm = 0;
fep->ptp_caps.n_ext_ts = 0;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index 499c657d37a9..579c3dc0014c 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -172,6 +172,7 @@ static int create_txqs(struct hinic_dev *nic_dev)
hinic_sq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->txqs);
+ nic_dev->txqs = NULL;
return err;
}
@@ -268,6 +269,7 @@ static int create_rxqs(struct hinic_dev *nic_dev)
hinic_rq_dbgfs_uninit(nic_dev);
devm_kfree(&netdev->dev, nic_dev->rxqs);
+ nic_dev->rxqs = NULL;
return err;
}
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index c2118bde908b..f6aa5d6b6597 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1266,7 +1266,7 @@ void ocelot_ifh_set_basic(void *ifh, struct ocelot *ocelot, int port,
memset(ifh, 0, OCELOT_TAG_LEN);
ocelot_ifh_set_bypass(ifh, 1);
- ocelot_ifh_set_src(ifh, BIT_ULL(ocelot->num_phys_ports));
+ ocelot_ifh_set_src(ifh, ocelot->num_phys_ports);
ocelot_ifh_set_dest(ifh, BIT_ULL(port));
ocelot_ifh_set_qos_class(ifh, qos_class);
ocelot_ifh_set_tag_type(ifh, tag_type);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
index 35829a2851fa..d76e63f57ff1 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
@@ -945,8 +945,8 @@ static int ionic_get_module_eeprom(struct net_device *netdev,
len = min_t(u32, sizeof(xcvr->sprom), ee->len);
do {
- memcpy(data, xcvr->sprom, len);
- memcpy(tbuf, xcvr->sprom, len);
+ memcpy(data, &xcvr->sprom[ee->offset], len);
+ memcpy(tbuf, &xcvr->sprom[ee->offset], len);
/* Let's make sure we got a consistent copy */
if (!memcmp(data, tbuf, len))
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 9d724d228b83..bc7c5cd38596 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -3736,8 +3736,8 @@ int ionic_lif_register(struct ionic_lif *lif)
/* only register LIF0 for now */
err = register_netdev(lif->netdev);
if (err) {
- dev_err(lif->ionic->dev, "Cannot register net device, aborting\n");
- ionic_lif_unregister_phc(lif);
+ dev_err(lif->ionic->dev, "Cannot register net device: %d, aborting\n", err);
+ ionic_lif_unregister(lif);
return err;
}
diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index 8abad9bb629e..54aa56c84133 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -546,7 +546,6 @@ static int rswitch_gwca_ts_queue_alloc(struct rswitch_private *priv)
desc = &gq->ts_ring[gq->ring_size];
desc->desc.die_dt = DT_LINKFIX;
rswitch_desc_set_dptr(&desc->desc, gq->ring_dma);
- INIT_LIST_HEAD(&priv->gwca.ts_info_list);
return 0;
}
@@ -934,9 +933,10 @@ static int rswitch_gwca_request_irqs(struct rswitch_private *priv)
static void rswitch_ts(struct rswitch_private *priv)
{
struct rswitch_gwca_queue *gq = &priv->gwca.ts_queue;
- struct rswitch_gwca_ts_info *ts_info, *ts_info2;
struct skb_shared_hwtstamps shhwtstamps;
struct rswitch_ts_desc *desc;
+ struct rswitch_device *rdev;
+ struct sk_buff *ts_skb;
struct timespec64 ts;
unsigned int num;
u32 tag, port;
@@ -946,23 +946,28 @@ static void rswitch_ts(struct rswitch_private *priv)
dma_rmb();
port = TS_DESC_DPN(__le32_to_cpu(desc->desc.dptrl));
- tag = TS_DESC_TSUN(__le32_to_cpu(desc->desc.dptrl));
-
- list_for_each_entry_safe(ts_info, ts_info2, &priv->gwca.ts_info_list, list) {
- if (!(ts_info->port == port && ts_info->tag == tag))
- continue;
-
- memset(&shhwtstamps, 0, sizeof(shhwtstamps));
- ts.tv_sec = __le32_to_cpu(desc->ts_sec);
- ts.tv_nsec = __le32_to_cpu(desc->ts_nsec & cpu_to_le32(0x3fffffff));
- shhwtstamps.hwtstamp = timespec64_to_ktime(ts);
- skb_tstamp_tx(ts_info->skb, &shhwtstamps);
- dev_consume_skb_irq(ts_info->skb);
- list_del(&ts_info->list);
- kfree(ts_info);
- break;
- }
+ if (unlikely(port >= RSWITCH_NUM_PORTS))
+ goto next;
+ rdev = priv->rdev[port];
+ tag = TS_DESC_TSUN(__le32_to_cpu(desc->desc.dptrl));
+ if (unlikely(tag >= TS_TAGS_PER_PORT))
+ goto next;
+ ts_skb = xchg(&rdev->ts_skb[tag], NULL);
+ smp_mb(); /* order rdev->ts_skb[] read before bitmap update */
+ clear_bit(tag, rdev->ts_skb_used);
+
+ if (unlikely(!ts_skb))
+ goto next;
+
+ memset(&shhwtstamps, 0, sizeof(shhwtstamps));
+ ts.tv_sec = __le32_to_cpu(desc->ts_sec);
+ ts.tv_nsec = __le32_to_cpu(desc->ts_nsec & cpu_to_le32(0x3fffffff));
+ shhwtstamps.hwtstamp = timespec64_to_ktime(ts);
+ skb_tstamp_tx(ts_skb, &shhwtstamps);
+ dev_consume_skb_irq(ts_skb);
+
+next:
gq->cur = rswitch_next_queue_index(gq, true, 1);
desc = &gq->ts_ring[gq->cur];
}
@@ -1505,8 +1510,9 @@ static int rswitch_open(struct net_device *ndev)
static int rswitch_stop(struct net_device *ndev)
{
struct rswitch_device *rdev = netdev_priv(ndev);
- struct rswitch_gwca_ts_info *ts_info, *ts_info2;
+ struct sk_buff *ts_skb;
unsigned long flags;
+ unsigned int tag;
netif_tx_stop_all_queues(ndev);
@@ -1523,12 +1529,13 @@ static int rswitch_stop(struct net_device *ndev)
if (bitmap_empty(rdev->priv->opened_ports, RSWITCH_NUM_PORTS))
iowrite32(GWCA_TS_IRQ_BIT, rdev->priv->addr + GWTSDID);
- list_for_each_entry_safe(ts_info, ts_info2, &rdev->priv->gwca.ts_info_list, list) {
- if (ts_info->port != rdev->port)
- continue;
- dev_kfree_skb_irq(ts_info->skb);
- list_del(&ts_info->list);
- kfree(ts_info);
+ for (tag = find_first_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT);
+ tag < TS_TAGS_PER_PORT;
+ tag = find_next_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT, tag + 1)) {
+ ts_skb = xchg(&rdev->ts_skb[tag], NULL);
+ clear_bit(tag, rdev->ts_skb_used);
+ if (ts_skb)
+ dev_kfree_skb(ts_skb);
}
return 0;
@@ -1541,20 +1548,17 @@ static bool rswitch_ext_desc_set_info1(struct rswitch_device *rdev,
desc->info1 = cpu_to_le64(INFO1_DV(BIT(rdev->etha->index)) |
INFO1_IPV(GWCA_IPV_NUM) | INFO1_FMT);
if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
- struct rswitch_gwca_ts_info *ts_info;
+ unsigned int tag;
- ts_info = kzalloc(sizeof(*ts_info), GFP_ATOMIC);
- if (!ts_info)
+ tag = find_first_zero_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT);
+ if (tag == TS_TAGS_PER_PORT)
return false;
+ smp_mb(); /* order bitmap read before rdev->ts_skb[] write */
+ rdev->ts_skb[tag] = skb_get(skb);
+ set_bit(tag, rdev->ts_skb_used);
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
- rdev->ts_tag++;
- desc->info1 |= cpu_to_le64(INFO1_TSUN(rdev->ts_tag) | INFO1_TXC);
-
- ts_info->skb = skb_get(skb);
- ts_info->port = rdev->port;
- ts_info->tag = rdev->ts_tag;
- list_add_tail(&ts_info->list, &rdev->priv->gwca.ts_info_list);
+ desc->info1 |= cpu_to_le64(INFO1_TSUN(tag) | INFO1_TXC);
skb_tx_timestamp(skb);
}
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
index f2d1cd47187d..0c93ef16b43e 100644
--- a/drivers/net/ethernet/renesas/rswitch.h
+++ b/drivers/net/ethernet/renesas/rswitch.h
@@ -965,14 +965,6 @@ struct rswitch_gwca_queue {
};
};
-struct rswitch_gwca_ts_info {
- struct sk_buff *skb;
- struct list_head list;
-
- int port;
- u8 tag;
-};
-
#define RSWITCH_NUM_IRQ_REGS (RSWITCH_MAX_NUM_QUEUES / BITS_PER_TYPE(u32))
struct rswitch_gwca {
unsigned int index;
@@ -982,7 +974,6 @@ struct rswitch_gwca {
struct rswitch_gwca_queue *queues;
int num_queues;
struct rswitch_gwca_queue ts_queue;
- struct list_head ts_info_list;
DECLARE_BITMAP(used, RSWITCH_MAX_NUM_QUEUES);
u32 tx_irq_bits[RSWITCH_NUM_IRQ_REGS];
u32 rx_irq_bits[RSWITCH_NUM_IRQ_REGS];
@@ -990,6 +981,7 @@ struct rswitch_gwca {
};
#define NUM_QUEUES_PER_NDEV 2
+#define TS_TAGS_PER_PORT 256
struct rswitch_device {
struct rswitch_private *priv;
struct net_device *ndev;
@@ -997,7 +989,8 @@ struct rswitch_device {
void __iomem *addr;
struct rswitch_gwca_queue *tx_queue;
struct rswitch_gwca_queue *rx_queue;
- u8 ts_tag;
+ struct sk_buff *ts_skb[TS_TAGS_PER_PORT];
+ DECLARE_BITMAP(ts_skb_used, TS_TAGS_PER_PORT);
bool disabled;
int port;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 853851d5f362..d6ee90fef2ec 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4119,9 +4119,9 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
int tmp_pay_len = 0, first_tx;
struct stmmac_tx_queue *tx_q;
bool has_vlan, set_ic;
+ dma_addr_t tso_des, des;
u8 proto_hdr_len, hdr;
u32 pay_len, mss;
- dma_addr_t des;
int i;
tx_q = &priv->dma_conf.tx_queue[queue];
@@ -4206,14 +4206,15 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
/* If needed take extra descriptors to fill the remaining payload */
tmp_pay_len = pay_len - TSO_MAX_BUFF_SIZE;
+ tso_des = des;
} else {
stmmac_set_desc_addr(priv, first, des);
tmp_pay_len = pay_len;
- des += proto_hdr_len;
+ tso_des = des + proto_hdr_len;
pay_len = 0;
}
- stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue);
+ stmmac_tso_allocator(priv, tso_des, tmp_pay_len, (nfrags == 0), queue);
/* In case two or more DMA transmit descriptors are allocated for this
* non-paged SKB data, the DMA buffer address should be saved to
diff --git a/drivers/net/mdio/fwnode_mdio.c b/drivers/net/mdio/fwnode_mdio.c
index 1183ef5e203e..c62f2e85414d 100644
--- a/drivers/net/mdio/fwnode_mdio.c
+++ b/drivers/net/mdio/fwnode_mdio.c
@@ -38,6 +38,7 @@ fwnode_find_pse_control(struct fwnode_handle *fwnode)
static struct mii_timestamper *
fwnode_find_mii_timestamper(struct fwnode_handle *fwnode)
{
+ struct mii_timestamper *mii_ts;
struct of_phandle_args arg;
int err;
@@ -51,10 +52,16 @@ fwnode_find_mii_timestamper(struct fwnode_handle *fwnode)
else if (err)
return ERR_PTR(err);
- if (arg.args_count != 1)
- return ERR_PTR(-EINVAL);
+ if (arg.args_count != 1) {
+ mii_ts = ERR_PTR(-EINVAL);
+ goto put_node;
+ }
+
+ mii_ts = register_mii_timestamper(arg.np, arg.args[0]);
- return register_mii_timestamper(arg.np, arg.args[0]);
+put_node:
+ of_node_put(arg.np);
+ return mii_ts;
}
int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,
diff --git a/drivers/net/netdevsim/health.c b/drivers/net/netdevsim/health.c
index eb04ed715d2d..c63427b71898 100644
--- a/drivers/net/netdevsim/health.c
+++ b/drivers/net/netdevsim/health.c
@@ -203,6 +203,8 @@ static ssize_t nsim_dev_health_break_write(struct file *file,
char *break_msg;
int err;
+ if (count == 0 || count > PAGE_SIZE)
+ return -EINVAL;
break_msg = memdup_user_nul(data, count);
if (IS_ERR(break_msg))
return PTR_ERR(break_msg);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index e9cd3b810e2c..cbb2f78ffde0 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1487,7 +1487,7 @@ static struct sk_buff *tun_napi_alloc_frags(struct tun_file *tfile,
skb->truesize += skb->data_len;
for (i = 1; i < it->nr_segs; i++) {
- const struct iovec *iov = iter_iov(it);
+ const struct iovec *iov = iter_iov(it) + i;
size_t fragsz = iov->iov_len;
struct page *page;
void *frag;
diff --git a/drivers/of/address.c b/drivers/of/address.c
index f323e53816e1..dfd05cb2b2fc 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -653,7 +653,7 @@ struct device_node *__of_get_dma_parent(const struct device_node *np)
if (ret < 0)
return of_get_parent(np);
- return of_node_get(args.np);
+ return args.np;
}
#endif
diff --git a/drivers/of/base.c b/drivers/of/base.c
index b0ad8fc06e80..7a3c05622d98 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1415,8 +1415,10 @@ int of_parse_phandle_with_args_map(const struct device_node *np,
map_len--;
/* Check if not found */
- if (!new)
+ if (!new) {
+ ret = -EINVAL;
goto put;
+ }
if (!of_device_is_available(new))
match = 0;
@@ -1426,17 +1428,20 @@ int of_parse_phandle_with_args_map(const struct device_node *np,
goto put;
/* Check for malformed properties */
- if (WARN_ON(new_size > MAX_PHANDLE_ARGS))
- goto put;
- if (map_len < new_size)
+ if (WARN_ON(new_size > MAX_PHANDLE_ARGS) ||
+ map_len < new_size) {
+ ret = -EINVAL;
goto put;
+ }
/* Move forward by new node's #<list>-cells amount */
map += new_size;
map_len -= new_size;
}
- if (!match)
+ if (!match) {
+ ret = -ENOENT;
goto put;
+ }
/* Get the <list>-map-pass-thru property (optional) */
pass = of_get_property(cur, pass_name, NULL);
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 36351ad6115e..e54f003c1aaa 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -111,6 +111,7 @@ const __be32 *of_irq_parse_imap_parent(const __be32 *imap, int len, struct of_ph
else
np = of_find_node_by_phandle(be32_to_cpup(imap));
imap++;
+ len--;
/* Check if not found */
if (!np) {
@@ -354,6 +355,7 @@ 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_len = 0;
addr = of_get_property(device, "reg", &addr_len);
/* Prevent out-of-bounds read in case of longer interrupt parent address size */
diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c
index 6be3266cd7b5..e2602e38ae45 100644
--- a/drivers/pci/controller/pci-host-common.c
+++ b/drivers/pci/controller/pci-host-common.c
@@ -73,10 +73,6 @@ int pci_host_common_probe(struct platform_device *pdev)
if (IS_ERR(cfg))
return PTR_ERR(cfg);
- /* Do not reassign resources if probe only */
- if (!pci_has_flag(PCI_PROBE_ONLY))
- pci_add_flags(PCI_REASSIGN_ALL_BUS);
-
bridge->sysdata = cfg;
bridge->ops = (struct pci_ops *)&ops->pci_ops;
bridge->msi_domain = true;
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index 992fea22fd9f..5ff2066aa516 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -930,6 +930,9 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
dev_set_msi_domain(&vmd->bus->dev,
dev_get_msi_domain(&vmd->dev->dev));
+ WARN(sysfs_create_link(&vmd->dev->dev.kobj, &vmd->bus->dev.kobj,
+ "domain"), "Can't create symlink to domain\n");
+
vmd_acpi_begin();
pci_scan_child_bus(vmd->bus);
@@ -969,9 +972,6 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
pci_bus_add_devices(vmd->bus);
vmd_acpi_end();
-
- WARN(sysfs_create_link(&vmd->dev->dev.kobj, &vmd->bus->dev.kobj,
- "domain"), "Can't create symlink to domain\n");
return 0;
}
@@ -1047,8 +1047,8 @@ static void vmd_remove(struct pci_dev *dev)
{
struct vmd_dev *vmd = pci_get_drvdata(dev);
- sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
pci_stop_root_bus(vmd->bus);
+ sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
pci_remove_root_bus(vmd->bus);
vmd_cleanup_srcu(vmd);
vmd_detach_resources(vmd);
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index c9afe4362835..eeb9ea9044b4 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -1342,6 +1342,22 @@ static int aer_probe(struct pcie_device *dev)
return 0;
}
+static int aer_suspend(struct pcie_device *dev)
+{
+ struct aer_rpc *rpc = get_service_data(dev);
+
+ aer_disable_rootport(rpc);
+ return 0;
+}
+
+static int aer_resume(struct pcie_device *dev)
+{
+ struct aer_rpc *rpc = get_service_data(dev);
+
+ aer_enable_rootport(rpc);
+ return 0;
+}
+
/**
* aer_root_reset - reset Root Port hierarchy, RCEC, or RCiEP
* @dev: pointer to Root Port, RCEC, or RCiEP
@@ -1413,6 +1429,8 @@ static struct pcie_port_service_driver aerdriver = {
.service = PCIE_PORT_SERVICE_AER,
.probe = aer_probe,
+ .suspend = aer_suspend,
+ .resume = aer_resume,
.remove = aer_remove,
};
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 03b519a22840..7e84e472b338 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -3096,20 +3096,18 @@ int pci_host_probe(struct pci_host_bridge *bridge)
bus = bridge->bus;
+ /* If we must preserve the resource configuration, claim now */
+ if (bridge->preserve_config)
+ pci_bus_claim_resources(bus);
+
/*
- * We insert PCI resources into the iomem_resource and
- * ioport_resource trees in either pci_bus_claim_resources()
- * or pci_bus_assign_resources().
+ * Assign whatever was left unassigned. If we didn't claim above,
+ * this will reassign everything.
*/
- if (pci_has_flag(PCI_PROBE_ONLY)) {
- pci_bus_claim_resources(bus);
- } else {
- pci_bus_size_bridges(bus);
- pci_bus_assign_resources(bus);
+ pci_assign_unassigned_root_bus_resources(bus);
- list_for_each_entry(child, &bus->children, node)
- pcie_bus_configure_settings(child);
- }
+ list_for_each_entry(child, &bus->children, node)
+ pcie_bus_configure_settings(child);
pci_bus_add_devices(bus);
return 0;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c5115ad59766..fd35ad0648a0 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5116,6 +5116,10 @@ static const struct pci_dev_acs_enabled {
{ PCI_VENDOR_ID_BROADCOM, 0x1750, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_BROADCOM, 0x1751, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_BROADCOM, 0x1752, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1760, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1761, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1762, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1763, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
/* Amazon Annapurna Labs */
{ PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs },
diff --git a/drivers/platform/x86/p2sb.c b/drivers/platform/x86/p2sb.c
index 053be5c5e0ca..eff920de31c2 100644
--- a/drivers/platform/x86/p2sb.c
+++ b/drivers/platform/x86/p2sb.c
@@ -42,8 +42,9 @@ struct p2sb_res_cache {
};
static struct p2sb_res_cache p2sb_resources[NR_P2SB_RES_CACHE];
+static bool p2sb_hidden_by_bios;
-static int p2sb_get_devfn(unsigned int *devfn)
+static void p2sb_get_devfn(unsigned int *devfn)
{
unsigned int fn = P2SB_DEVFN_DEFAULT;
const struct x86_cpu_id *id;
@@ -53,7 +54,6 @@ static int p2sb_get_devfn(unsigned int *devfn)
fn = (unsigned int)id->driver_data;
*devfn = fn;
- return 0;
}
static bool p2sb_valid_resource(const struct resource *res)
@@ -97,6 +97,12 @@ static void p2sb_scan_and_cache_devfn(struct pci_bus *bus, unsigned int devfn)
static int p2sb_scan_and_cache(struct pci_bus *bus, unsigned int devfn)
{
+ /*
+ * The BIOS prevents the P2SB device from being enumerated by the PCI
+ * subsystem, so we need to unhide and hide it back to lookup the BAR.
+ */
+ pci_bus_write_config_dword(bus, devfn, P2SBC, 0);
+
/* Scan the P2SB device and cache its BAR0 */
p2sb_scan_and_cache_devfn(bus, devfn);
@@ -104,6 +110,8 @@ static int p2sb_scan_and_cache(struct pci_bus *bus, unsigned int devfn)
if (devfn == P2SB_DEVFN_GOLDMONT)
p2sb_scan_and_cache_devfn(bus, SPI_DEVFN_GOLDMONT);
+ pci_bus_write_config_dword(bus, devfn, P2SBC, P2SBC_HIDE);
+
if (!p2sb_valid_resource(&p2sb_resources[PCI_FUNC(devfn)].res))
return -ENOENT;
@@ -129,12 +137,10 @@ static int p2sb_cache_resources(void)
u32 value = P2SBC_HIDE;
struct pci_bus *bus;
u16 class;
- int ret;
+ int ret = 0;
/* Get devfn for P2SB device itself */
- ret = p2sb_get_devfn(&devfn_p2sb);
- if (ret)
- return ret;
+ p2sb_get_devfn(&devfn_p2sb);
bus = p2sb_get_bus(NULL);
if (!bus)
@@ -154,22 +160,53 @@ static int p2sb_cache_resources(void)
*/
pci_lock_rescan_remove();
+ pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
+ p2sb_hidden_by_bios = value & P2SBC_HIDE;
+
/*
- * The BIOS prevents the P2SB device from being enumerated by the PCI
- * subsystem, so we need to unhide and hide it back to lookup the BAR.
- * Unhide the P2SB device here, if needed.
+ * If the BIOS does not hide the P2SB device then its resources
+ * are accesilble. Cache them only if the P2SB device is hidden.
*/
- pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
- if (value & P2SBC_HIDE)
- pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, 0);
+ if (p2sb_hidden_by_bios)
+ ret = p2sb_scan_and_cache(bus, devfn_p2sb);
- ret = p2sb_scan_and_cache(bus, devfn_p2sb);
+ pci_unlock_rescan_remove();
- /* Hide the P2SB device, if it was hidden */
- if (value & P2SBC_HIDE)
- pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, P2SBC_HIDE);
+ return ret;
+}
- pci_unlock_rescan_remove();
+static int p2sb_read_from_cache(struct pci_bus *bus, unsigned int devfn,
+ struct resource *mem)
+{
+ struct p2sb_res_cache *cache = &p2sb_resources[PCI_FUNC(devfn)];
+
+ if (cache->bus_dev_id != bus->dev.id)
+ return -ENODEV;
+
+ if (!p2sb_valid_resource(&cache->res))
+ return -ENOENT;
+
+ memcpy(mem, &cache->res, sizeof(*mem));
+
+ return 0;
+}
+
+static int p2sb_read_from_dev(struct pci_bus *bus, unsigned int devfn,
+ struct resource *mem)
+{
+ struct pci_dev *pdev;
+ int ret = 0;
+
+ pdev = pci_get_slot(bus, devfn);
+ if (!pdev)
+ return -ENODEV;
+
+ if (p2sb_valid_resource(pci_resource_n(pdev, 0)))
+ p2sb_read_bar0(pdev, mem);
+ else
+ ret = -ENOENT;
+
+ pci_dev_put(pdev);
return ret;
}
@@ -190,28 +227,17 @@ static int p2sb_cache_resources(void)
*/
int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
{
- struct p2sb_res_cache *cache;
- int ret;
-
bus = p2sb_get_bus(bus);
if (!bus)
return -ENODEV;
- if (!devfn) {
- ret = p2sb_get_devfn(&devfn);
- if (ret)
- return ret;
- }
+ if (!devfn)
+ p2sb_get_devfn(&devfn);
- cache = &p2sb_resources[PCI_FUNC(devfn)];
- if (cache->bus_dev_id != bus->dev.id)
- return -ENODEV;
+ if (p2sb_hidden_by_bios)
+ return p2sb_read_from_cache(bus, devfn, mem);
- if (!p2sb_valid_resource(&cache->res))
- return -ENOENT;
-
- memcpy(mem, &cache->res, sizeof(*mem));
- return 0;
+ return p2sb_read_from_dev(bus, devfn, mem);
}
EXPORT_SYMBOL_GPL(p2sb_bar);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 87768ededf91..7c3310a2b28a 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1930,6 +1930,37 @@ static void tb_exit_redrive(struct tb_port *port)
}
}
+static void tb_switch_enter_redrive(struct tb_switch *sw)
+{
+ struct tb_port *port;
+
+ tb_switch_for_each_port(sw, port)
+ tb_enter_redrive(port);
+}
+
+/*
+ * Called during system and runtime suspend to forcefully exit redrive
+ * mode without querying whether the resource is available.
+ */
+static void tb_switch_exit_redrive(struct tb_switch *sw)
+{
+ struct tb_port *port;
+
+ if (!(sw->quirks & QUIRK_KEEP_POWER_IN_DP_REDRIVE))
+ return;
+
+ tb_switch_for_each_port(sw, port) {
+ if (!tb_port_is_dpin(port))
+ continue;
+
+ if (port->redrive) {
+ port->redrive = false;
+ pm_runtime_put(&sw->dev);
+ tb_port_dbg(port, "exit redrive mode\n");
+ }
+ }
+}
+
static void tb_dp_resource_unavailable(struct tb *tb, struct tb_port *port)
{
struct tb_port *in, *out;
@@ -2690,6 +2721,7 @@ static int tb_start(struct tb *tb, bool reset)
tb_create_usb3_tunnels(tb->root_switch);
/* Add DP IN resources for the root switch */
tb_add_dp_resources(tb->root_switch);
+ tb_switch_enter_redrive(tb->root_switch);
/* Make the discovered switches available to the userspace */
device_for_each_child(&tb->root_switch->dev, NULL,
tb_scan_finalize_switch);
@@ -2705,6 +2737,7 @@ static int tb_suspend_noirq(struct tb *tb)
tb_dbg(tb, "suspending...\n");
tb_disconnect_and_release_dp(tb);
+ tb_switch_exit_redrive(tb->root_switch);
tb_switch_suspend(tb->root_switch, false);
tcm->hotplug_active = false; /* signal tb_handle_hotplug to quit */
tb_dbg(tb, "suspend finished\n");
@@ -2797,6 +2830,7 @@ static int tb_resume_noirq(struct tb *tb)
tb_dbg(tb, "tunnels restarted, sleeping for 100ms\n");
msleep(100);
}
+ tb_switch_enter_redrive(tb->root_switch);
/* Allow tb_handle_hotplug to progress events */
tcm->hotplug_active = true;
tb_dbg(tb, "resume finished\n");
@@ -2860,6 +2894,12 @@ static int tb_runtime_suspend(struct tb *tb)
struct tb_cm *tcm = tb_priv(tb);
mutex_lock(&tb->lock);
+ /*
+ * The below call only releases DP resources to allow exiting and
+ * re-entering redrive mode.
+ */
+ tb_disconnect_and_release_dp(tb);
+ tb_switch_exit_redrive(tb->root_switch);
tb_switch_suspend(tb->root_switch, true);
tcm->hotplug_active = false;
mutex_unlock(&tb->lock);
@@ -2891,6 +2931,7 @@ static int tb_runtime_resume(struct tb *tb)
tb_restore_children(tb->root_switch);
list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list)
tb_tunnel_restart(tunnel);
+ tb_switch_enter_redrive(tb->root_switch);
tcm->hotplug_active = true;
mutex_unlock(&tb->lock);
diff --git a/drivers/usb/cdns3/cdns3-ti.c b/drivers/usb/cdns3/cdns3-ti.c
index 5945c4b1e11f..cfabc12ee0e3 100644
--- a/drivers/usb/cdns3/cdns3-ti.c
+++ b/drivers/usb/cdns3/cdns3-ti.c
@@ -16,6 +16,7 @@
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <linux/property.h>
+#include "core.h"
/* USB Wrapper register offsets */
#define USBSS_PID 0x0
@@ -85,6 +86,18 @@ static inline void cdns_ti_writel(struct cdns_ti *data, u32 offset, u32 value)
writel(value, data->usbss + offset);
}
+static struct cdns3_platform_data cdns_ti_pdata = {
+ .quirks = CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE, /* Errata i2409 */
+};
+
+static const struct of_dev_auxdata cdns_ti_auxdata[] = {
+ {
+ .compatible = "cdns,usb3",
+ .platform_data = &cdns_ti_pdata,
+ },
+ {},
+};
+
static int cdns_ti_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -176,7 +189,7 @@ static int cdns_ti_probe(struct platform_device *pdev)
reg |= USBSS_W1_PWRUP_RST;
cdns_ti_writel(data, USBSS_W1, reg);
- error = of_platform_populate(node, NULL, NULL, dev);
+ error = of_platform_populate(node, NULL, cdns_ti_auxdata, dev);
if (error) {
dev_err(dev, "failed to create children: %d\n", error);
goto err;
diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
index 81a9c9d6be08..57d47348dc19 100644
--- a/drivers/usb/cdns3/core.h
+++ b/drivers/usb/cdns3/core.h
@@ -44,6 +44,7 @@ struct cdns3_platform_data {
bool suspend, bool wakeup);
unsigned long quirks;
#define CDNS3_DEFAULT_PM_RUNTIME_ALLOW BIT(0)
+#define CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE BIT(1)
};
/**
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index ee917f1b091c..1b4ce2da1e4b 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -389,7 +389,7 @@ static irqreturn_t cdns_drd_irq(int irq, void *data)
int cdns_drd_init(struct cdns *cdns)
{
void __iomem *regs;
- u32 state;
+ u32 state, reg;
int ret;
regs = devm_ioremap_resource(cdns->dev, &cdns->otg_res);
@@ -433,6 +433,14 @@ int cdns_drd_init(struct cdns *cdns)
cdns->otg_irq_regs = (struct cdns_otg_irq_regs __iomem *)
&cdns->otg_v1_regs->ien;
writel(1, &cdns->otg_v1_regs->simulate);
+
+ if (cdns->pdata &&
+ (cdns->pdata->quirks & CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE)) {
+ reg = readl(&cdns->otg_v1_regs->susp_ctrl);
+ reg |= SUSP_CTRL_SUSPEND_RESIDENCY_ENABLE;
+ writel(reg, &cdns->otg_v1_regs->susp_ctrl);
+ }
+
cdns->version = CDNS3_CONTROLLER_V1;
} else {
dev_err(cdns->dev, "not supporte DID=0x%08x\n", state);
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
index d72370c321d3..1e2aee14d629 100644
--- a/drivers/usb/cdns3/drd.h
+++ b/drivers/usb/cdns3/drd.h
@@ -193,6 +193,9 @@ struct cdns_otg_irq_regs {
/* OTGREFCLK - bitmasks */
#define OTGREFCLK_STB_CLK_SWITCH_EN BIT(31)
+/* SUPS_CTRL - bitmasks */
+#define SUSP_CTRL_SUSPEND_RESIDENCY_ENABLE BIT(17)
+
/* OVERRIDE - bitmasks */
#define OVERRIDE_IDPULLUP BIT(0)
/* Only for CDNS3_CONTROLLER_V0 version */
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index b2f6da5b65cc..b26de09f6b6d 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -885,10 +885,10 @@ static void dwc2_gadget_config_nonisoc_xfer_ddma(struct dwc2_hsotg_ep *hs_ep,
}
/* DMA sg buffer */
- for_each_sg(ureq->sg, sg, ureq->num_sgs, i) {
+ for_each_sg(ureq->sg, sg, ureq->num_mapped_sgs, i) {
dwc2_gadget_fill_nonisoc_xfer_ddma_one(hs_ep, &desc,
sg_dma_address(sg) + sg->offset, sg_dma_len(sg),
- sg_is_last(sg));
+ (i == (ureq->num_mapped_sgs - 1)));
desc_count += hs_ep->desc_count;
}
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 04f511adc002..ac1c13b269fc 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -625,6 +625,8 @@ static void option_instat_callback(struct urb *urb);
#define MEIGSMART_PRODUCT_SRM825L 0x4d22
/* MeiG Smart SLM320 based on UNISOC UIS8910 */
#define MEIGSMART_PRODUCT_SLM320 0x4d41
+/* MeiG Smart SLM770A based on ASR1803 */
+#define MEIGSMART_PRODUCT_SLM770A 0x4d57
/* Device flags */
@@ -1395,6 +1397,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */
.driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c0, 0xff), /* Telit FE910C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c4, 0xff), /* Telit FE910C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c8, 0xff), /* Telit FE910C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -2247,6 +2255,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7127, 0xff, 0x00, 0x00),
.driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7129, 0xff, 0x00, 0x00), /* MediaTek T7XX */
+ .driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200),
.driver_info = RSVD(1) | RSVD(4) },
@@ -2375,6 +2385,18 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Golbal EDU */
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for WWAN Ready */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for WWAN Ready */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WRD for WWAN Ready */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for WWAN Ready */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
@@ -2382,9 +2404,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM770A, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },
+ { USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0530, 0xff), /* TCL IK512 MBIM */
+ .driver_info = NCTRL(1) },
+ { USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0640, 0xff), /* TCL IK512 ECM */
+ .driver_info = NCTRL(3) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index 3a8ec33a1204..53c74010140e 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -1503,6 +1503,11 @@ static int check_extent_item(struct extent_buffer *leaf,
dref_offset, fs_info->sectorsize);
return -EUCLEAN;
}
+ if (unlikely(btrfs_extent_data_ref_count(leaf, dref) == 0)) {
+ extent_err(leaf, slot,
+ "invalid data ref count, should have non-zero value");
+ return -EUCLEAN;
+ }
inline_refs += btrfs_extent_data_ref_count(leaf, dref);
break;
/* Contains parent bytenr and ref count */
@@ -1515,6 +1520,11 @@ static int check_extent_item(struct extent_buffer *leaf,
inline_offset, fs_info->sectorsize);
return -EUCLEAN;
}
+ if (unlikely(btrfs_shared_data_ref_count(leaf, sref) == 0)) {
+ extent_err(leaf, slot,
+ "invalid shared data ref count, should have non-zero value");
+ return -EUCLEAN;
+ }
inline_refs += btrfs_shared_data_ref_count(leaf, sref);
break;
default:
@@ -1584,8 +1594,18 @@ static int check_simple_keyed_refs(struct extent_buffer *leaf,
{
u32 expect_item_size = 0;
- if (key->type == BTRFS_SHARED_DATA_REF_KEY)
+ if (key->type == BTRFS_SHARED_DATA_REF_KEY) {
+ struct btrfs_shared_data_ref *sref;
+
+ sref = btrfs_item_ptr(leaf, slot, struct btrfs_shared_data_ref);
+ if (unlikely(btrfs_shared_data_ref_count(leaf, sref) == 0)) {
+ extent_err(leaf, slot,
+ "invalid shared data backref count, should have non-zero value");
+ return -EUCLEAN;
+ }
+
expect_item_size = sizeof(struct btrfs_shared_data_ref);
+ }
if (unlikely(btrfs_item_size(leaf, slot) != expect_item_size)) {
generic_err(leaf, slot,
@@ -1662,6 +1682,11 @@ static int check_extent_data_ref(struct extent_buffer *leaf,
offset, leaf->fs_info->sectorsize);
return -EUCLEAN;
}
+ if (unlikely(btrfs_extent_data_ref_count(leaf, dref) == 0)) {
+ extent_err(leaf, slot,
+ "invalid extent data backref count, should have non-zero value");
+ return -EUCLEAN;
+ }
}
return 0;
}
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 1e0497295662..813974244a9d 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -976,7 +976,7 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
if (ceph_inode_is_shutdown(inode))
return -EIO;
- if (!len)
+ if (!len || !i_size)
return 0;
/*
* flush any page cache pages in this range. this
@@ -996,7 +996,7 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
int num_pages;
size_t page_off;
bool more;
- int idx;
+ int idx = 0;
size_t left;
struct ceph_osd_req_op *op;
u64 read_off = off;
@@ -1036,7 +1036,7 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
osd_req_op_extent_osd_data_pages(req, 0, pages, read_len,
offset_in_page(read_off),
- false, false);
+ false, true);
op = &req->r_ops[0];
if (sparse) {
@@ -1068,7 +1068,14 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
else if (ret == -ENOENT)
ret = 0;
- if (ret > 0 && IS_ENCRYPTED(inode)) {
+ if (ret < 0) {
+ ceph_osdc_put_request(req);
+ if (ret == -EBLOCKLISTED)
+ fsc->blocklisted = true;
+ break;
+ }
+
+ if (IS_ENCRYPTED(inode)) {
int fret;
fret = ceph_fscrypt_decrypt_extents(inode, pages,
@@ -1094,10 +1101,8 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
ret = min_t(ssize_t, fret, len);
}
- ceph_osdc_put_request(req);
-
/* Short read but not EOF? Zero out the remainder. */
- if (ret >= 0 && ret < len && (off + ret < i_size)) {
+ if (ret < len && (off + ret < i_size)) {
int zlen = min(len - ret, i_size - off - ret);
int zoff = page_off + ret;
@@ -1107,13 +1112,11 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
ret += zlen;
}
- idx = 0;
- if (ret <= 0)
- left = 0;
- else if (off + ret > i_size)
- left = i_size - off;
+ if (off + ret > i_size)
+ left = (i_size > off) ? i_size - off : 0;
else
left = ret;
+
while (left > 0) {
size_t plen, copied;
@@ -1129,13 +1132,8 @@ ssize_t __ceph_sync_read(struct inode *inode, loff_t *ki_pos,
break;
}
}
- ceph_release_page_vector(pages, num_pages);
- if (ret < 0) {
- if (ret == -EBLOCKLISTED)
- fsc->blocklisted = true;
- break;
- }
+ ceph_osdc_put_request(req);
if (off >= i_size || !more)
break;
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 4f51a2e74d07..29026ba4f022 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -427,6 +427,8 @@ static int ceph_parse_mount_param(struct fs_context *fc,
switch (token) {
case Opt_snapdirname:
+ if (strlen(param->string) > NAME_MAX)
+ return invalfc(fc, "snapdirname too long");
kfree(fsopt->snapdir_name);
fsopt->snapdir_name = param->string;
param->string = NULL;
diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c
index db9231f0e77b..4889e240a11d 100644
--- a/fs/efivarfs/inode.c
+++ b/fs/efivarfs/inode.c
@@ -47,7 +47,7 @@ struct inode *efivarfs_get_inode(struct super_block *sb,
*
* VariableName-12345678-1234-1234-1234-1234567891bc
*/
-bool efivarfs_valid_name(const char *str, int len)
+static bool efivarfs_valid_name(const char *str, int len)
{
const char *s = str + len - EFI_VARIABLE_GUID_LEN;
diff --git a/fs/efivarfs/internal.h b/fs/efivarfs/internal.h
index 8ebf3a6a8aa2..dcb973d8736c 100644
--- a/fs/efivarfs/internal.h
+++ b/fs/efivarfs/internal.h
@@ -50,7 +50,6 @@ bool efivar_variable_is_removable(efi_guid_t vendor, const char *name,
extern const struct file_operations efivarfs_file_operations;
extern const struct inode_operations efivarfs_dir_inode_operations;
-extern bool efivarfs_valid_name(const char *str, int len);
extern struct inode *efivarfs_get_inode(struct super_block *sb,
const struct inode *dir, int mode, dev_t dev,
bool is_removable);
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index d59d9670965c..586c5709dfb5 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -107,9 +107,6 @@ static int efivarfs_d_hash(const struct dentry *dentry, struct qstr *qstr)
const unsigned char *s = qstr->name;
unsigned int len = qstr->len;
- if (!efivarfs_valid_name(s, len))
- return -EINVAL;
-
while (len-- > EFI_VARIABLE_GUID_LEN)
hash = partial_name_hash(*s++, hash);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index bcaad495930c..cde5a15b129f 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1268,7 +1268,10 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
break;
}
}
- wake_up(&ep->wq);
+ if (sync)
+ wake_up_sync(&ep->wq);
+ else
+ wake_up(&ep->wq);
}
if (waitqueue_active(&ep->poll_wait))
pwake++;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 3d1a9f8634a9..fe83c681e3fe 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1196,7 +1196,7 @@ pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo,
enum pnfs_iomode *iomode)
{
/* Serialise LAYOUTGET/LAYOUTRETURN */
- if (atomic_read(&lo->plh_outstanding) != 0)
+ if (atomic_read(&lo->plh_outstanding) != 0 && lo->plh_return_seq == 0)
return false;
if (test_and_set_bit(NFS_LAYOUT_RETURN_LOCK, &lo->plh_flags))
return false;
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index eaf646b45cc9..3dda7c39089b 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -35,6 +35,7 @@ void nilfs_init_btnc_inode(struct inode *btnc_inode)
ii->i_flags = 0;
memset(&ii->i_bmap_data, 0, sizeof(struct nilfs_bmap));
mapping_set_gfp_mask(btnc_inode->i_mapping, GFP_NOFS);
+ btnc_inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
}
void nilfs_btnode_cache_clear(struct address_space *btnc)
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index c5a119f3cb0d..3a50fe042477 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -163,7 +163,7 @@ int nilfs_init_gcinode(struct inode *inode)
inode->i_mode = S_IFREG;
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
- inode->i_mapping->a_ops = &empty_aops;
+ inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
ii->i_flags = 0;
nilfs_bmap_init_gc(ii->i_bmap);
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 8e1afa39a62e..489592644b68 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -309,6 +309,10 @@ const struct address_space_operations nilfs_aops = {
.is_partially_uptodate = block_is_partially_uptodate,
};
+const struct address_space_operations nilfs_buffer_cache_aops = {
+ .invalidate_folio = block_invalidate_folio,
+};
+
static int nilfs_insert_inode_locked(struct inode *inode,
struct nilfs_root *root,
unsigned long ino)
@@ -614,8 +618,14 @@ struct inode *nilfs_iget(struct super_block *sb, struct nilfs_root *root,
inode = nilfs_iget_locked(sb, root, ino);
if (unlikely(!inode))
return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
+
+ if (!(inode->i_state & I_NEW)) {
+ if (!inode->i_nlink) {
+ iput(inode);
+ return ERR_PTR(-ESTALE);
+ }
return inode;
+ }
err = __nilfs_read_inode(sb, root, ino, inode);
if (unlikely(err)) {
@@ -748,6 +758,7 @@ struct inode *nilfs_iget_for_shadow(struct inode *inode)
NILFS_I(s_inode)->i_flags = 0;
memset(NILFS_I(s_inode)->i_bmap, 0, sizeof(struct nilfs_bmap));
mapping_set_gfp_mask(s_inode->i_mapping, GFP_NOFS);
+ s_inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
err = nilfs_attach_btree_node_cache(s_inode);
if (unlikely(err)) {
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 7f71aa354f36..ac0adeb58e41 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -67,6 +67,11 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
inode = NULL;
} else {
inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
+ if (inode == ERR_PTR(-ESTALE)) {
+ nilfs_error(dir->i_sb,
+ "deleted inode referenced: %lu", ino);
+ return ERR_PTR(-EIO);
+ }
}
return d_splice_alias(inode, dentry);
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index ad13e74af65f..e2c5376b56cd 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -379,6 +379,7 @@ extern const struct file_operations nilfs_dir_operations;
extern const struct inode_operations nilfs_file_inode_operations;
extern const struct file_operations nilfs_file_operations;
extern const struct address_space_operations nilfs_aops;
+extern const struct address_space_operations nilfs_buffer_cache_aops;
extern const struct inode_operations nilfs_dir_inode_operations;
extern const struct inode_operations nilfs_special_inode_operations;
extern const struct inode_operations nilfs_symlink_inode_operations;
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 7b850c40b2f3..20f303f2a5d7 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -1003,9 +1003,13 @@ clean_demultiplex_info(struct TCP_Server_Info *server)
msleep(125);
if (cifs_rdma_enabled(server))
smbd_destroy(server);
+
if (server->ssocket) {
sock_release(server->ssocket);
server->ssocket = NULL;
+
+ /* Release netns reference for the socket. */
+ put_net(cifs_net_ns(server));
}
if (!list_empty(&server->pending_mid_q)) {
@@ -1054,6 +1058,7 @@ clean_demultiplex_info(struct TCP_Server_Info *server)
*/
}
+ /* Release netns reference for this server. */
put_net(cifs_net_ns(server));
kfree(server->leaf_fullpath);
kfree(server);
@@ -1726,6 +1731,8 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,
tcp_ses->ops = ctx->ops;
tcp_ses->vals = ctx->vals;
+
+ /* Grab netns reference for this server. */
cifs_set_net_ns(tcp_ses, get_net(current->nsproxy->net_ns));
tcp_ses->conn_id = atomic_inc_return(&tcpSesNextId);
@@ -1857,6 +1864,7 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,
out_err_crypto_release:
cifs_crypto_secmech_release(tcp_ses);
+ /* Release netns reference for this server. */
put_net(cifs_net_ns(tcp_ses));
out_err:
@@ -1865,8 +1873,10 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx,
cifs_put_tcp_session(tcp_ses->primary_server, false);
kfree(tcp_ses->hostname);
kfree(tcp_ses->leaf_fullpath);
- if (tcp_ses->ssocket)
+ if (tcp_ses->ssocket) {
sock_release(tcp_ses->ssocket);
+ put_net(cifs_net_ns(tcp_ses));
+ }
kfree(tcp_ses);
}
return ERR_PTR(rc);
@@ -3120,20 +3130,20 @@ generic_ip_connect(struct TCP_Server_Info *server)
socket = server->ssocket;
} else {
struct net *net = cifs_net_ns(server);
- struct sock *sk;
- rc = __sock_create(net, sfamily, SOCK_STREAM,
- IPPROTO_TCP, &server->ssocket, 1);
+ rc = sock_create_kern(net, sfamily, SOCK_STREAM, IPPROTO_TCP, &server->ssocket);
if (rc < 0) {
cifs_server_dbg(VFS, "Error %d creating socket\n", rc);
return rc;
}
- sk = server->ssocket->sk;
- __netns_tracker_free(net, &sk->ns_tracker, false);
- sk->sk_net_refcnt = 1;
- get_net_track(net, &sk->ns_tracker, GFP_KERNEL);
- sock_inuse_add(net, 1);
+ /*
+ * Grab netns reference for the socket.
+ *
+ * It'll be released here, on error, or in clean_demultiplex_info() upon server
+ * teardown.
+ */
+ get_net(net);
/* BB other socket options to set KEEPALIVE, NODELAY? */
cifs_dbg(FYI, "Socket created\n");
@@ -3147,8 +3157,10 @@ generic_ip_connect(struct TCP_Server_Info *server)
}
rc = bind_socket(server);
- if (rc < 0)
+ if (rc < 0) {
+ put_net(cifs_net_ns(server));
return rc;
+ }
/*
* Eventually check for other socket options to change from
@@ -3185,6 +3197,7 @@ generic_ip_connect(struct TCP_Server_Info *server)
if (rc < 0) {
cifs_dbg(FYI, "Error %d connecting to server\n", rc);
trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc);
+ put_net(cifs_net_ns(server));
sock_release(socket);
server->ssocket = NULL;
return rc;
@@ -3193,6 +3206,9 @@ generic_ip_connect(struct TCP_Server_Info *server)
if (sport == htons(RFC1001_PORT))
rc = ip_rfc1001_connect(server);
+ if (rc < 0)
+ put_net(cifs_net_ns(server));
+
return rc;
}
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c
index a751793c4512..f3178570329a 100644
--- a/fs/smb/server/connection.c
+++ b/fs/smb/server/connection.c
@@ -70,7 +70,6 @@ struct ksmbd_conn *ksmbd_conn_alloc(void)
atomic_set(&conn->req_running, 0);
atomic_set(&conn->r_count, 0);
atomic_set(&conn->refcnt, 1);
- atomic_set(&conn->mux_smb_requests, 0);
conn->total_credits = 1;
conn->outstanding_credits = 0;
@@ -120,8 +119,8 @@ void ksmbd_conn_enqueue_request(struct ksmbd_work *work)
if (conn->ops->get_cmd_val(work) != SMB2_CANCEL_HE)
requests_queue = &conn->requests;
+ atomic_inc(&conn->req_running);
if (requests_queue) {
- atomic_inc(&conn->req_running);
spin_lock(&conn->request_lock);
list_add_tail(&work->request_entry, requests_queue);
spin_unlock(&conn->request_lock);
@@ -132,11 +131,14 @@ void ksmbd_conn_try_dequeue_request(struct ksmbd_work *work)
{
struct ksmbd_conn *conn = work->conn;
+ atomic_dec(&conn->req_running);
+ if (waitqueue_active(&conn->req_running_q))
+ wake_up(&conn->req_running_q);
+
if (list_empty(&work->request_entry) &&
list_empty(&work->async_request_entry))
return;
- atomic_dec(&conn->req_running);
spin_lock(&conn->request_lock);
list_del_init(&work->request_entry);
spin_unlock(&conn->request_lock);
@@ -308,7 +310,7 @@ int ksmbd_conn_handler_loop(void *p)
{
struct ksmbd_conn *conn = (struct ksmbd_conn *)p;
struct ksmbd_transport *t = conn->transport;
- unsigned int pdu_size, max_allowed_pdu_size;
+ unsigned int pdu_size, max_allowed_pdu_size, max_req;
char hdr_buf[4] = {0,};
int size;
@@ -318,6 +320,7 @@ int ksmbd_conn_handler_loop(void *p)
if (t->ops->prepare && t->ops->prepare(t))
goto out;
+ max_req = server_conf.max_inflight_req;
conn->last_active = jiffies;
set_freezable();
while (ksmbd_conn_alive(conn)) {
@@ -327,6 +330,13 @@ int ksmbd_conn_handler_loop(void *p)
kvfree(conn->request_buf);
conn->request_buf = NULL;
+recheck:
+ if (atomic_read(&conn->req_running) + 1 > max_req) {
+ wait_event_interruptible(conn->req_running_q,
+ atomic_read(&conn->req_running) < max_req);
+ goto recheck;
+ }
+
size = t->ops->read(t, hdr_buf, sizeof(hdr_buf), -1);
if (size != sizeof(hdr_buf))
break;
diff --git a/fs/smb/server/connection.h b/fs/smb/server/connection.h
index 368295fb18a7..82343afc8d04 100644
--- a/fs/smb/server/connection.h
+++ b/fs/smb/server/connection.h
@@ -107,7 +107,6 @@ struct ksmbd_conn {
__le16 signing_algorithm;
bool binding;
atomic_t refcnt;
- atomic_t mux_smb_requests;
};
struct ksmbd_conn_ops {
diff --git a/fs/smb/server/server.c b/fs/smb/server/server.c
index 7f9aca4aa742..71e1c1db9dea 100644
--- a/fs/smb/server/server.c
+++ b/fs/smb/server/server.c
@@ -270,7 +270,6 @@ static void handle_ksmbd_work(struct work_struct *wk)
ksmbd_conn_try_dequeue_request(work);
ksmbd_free_work_struct(work);
- atomic_dec(&conn->mux_smb_requests);
/*
* Checking waitqueue to dropping pending requests on
* disconnection. waitqueue_active is safe because it
@@ -300,11 +299,6 @@ static int queue_ksmbd_work(struct ksmbd_conn *conn)
if (err)
return 0;
- if (atomic_inc_return(&conn->mux_smb_requests) >= conn->vals->max_credits) {
- atomic_dec_return(&conn->mux_smb_requests);
- return -ENOSPC;
- }
-
work = ksmbd_alloc_work_struct();
if (!work) {
pr_err("allocation for work failed\n");
@@ -367,6 +361,7 @@ static int server_conf_init(void)
server_conf.auth_mechs |= KSMBD_AUTH_KRB5 |
KSMBD_AUTH_MSKRB5;
#endif
+ server_conf.max_inflight_req = SMB2_MAX_CREDITS;
return 0;
}
diff --git a/fs/smb/server/server.h b/fs/smb/server/server.h
index db7278181760..4d06f2eb0d6a 100644
--- a/fs/smb/server/server.h
+++ b/fs/smb/server/server.h
@@ -42,6 +42,7 @@ struct ksmbd_server_config {
struct smb_sid domain_sid;
unsigned int auth_mechs;
unsigned int max_connections;
+ unsigned int max_inflight_req;
char *conf[SERVER_CONF_WORK_GROUP + 1];
};
diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c
index 8752ac82c557..c12b70d01880 100644
--- a/fs/smb/server/transport_ipc.c
+++ b/fs/smb/server/transport_ipc.c
@@ -305,8 +305,11 @@ static int ipc_server_config_on_startup(struct ksmbd_startup_request *req)
init_smb2_max_write_size(req->smb2_max_write);
if (req->smb2_max_trans)
init_smb2_max_trans_size(req->smb2_max_trans);
- if (req->smb2_max_credits)
+ if (req->smb2_max_credits) {
init_smb2_max_credits(req->smb2_max_credits);
+ server_conf.max_inflight_req =
+ req->smb2_max_credits;
+ }
if (req->smbd_max_io_size)
init_smbd_max_io_size(req->smbd_max_io_size);
diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index 567fb37274d3..ced0e6272aef 100644
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -204,6 +204,18 @@ config XFS_DEBUG
Say N unless you are an XFS developer, or you play one on TV.
+config XFS_DEBUG_EXPENSIVE
+ bool "XFS expensive debugging checks"
+ depends on XFS_FS && XFS_DEBUG
+ help
+ Say Y here to get an XFS build with expensive debugging checks
+ enabled. These checks may affect performance significantly.
+
+ Note that the resulting code will be HUGER and SLOWER, and probably
+ not useful unless you are debugging a particular problem.
+
+ Say N unless you are an XFS developer, or you play one on TV.
+
config XFS_ASSERT_FATAL
bool "XFS fatal asserts"
default y
diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
index dbcf58979a59..e1d5da6d8d4a 100644
--- a/fs/xfs/libxfs/xfs_dir2_data.c
+++ b/fs/xfs/libxfs/xfs_dir2_data.c
@@ -177,6 +177,14 @@ __xfs_dir3_data_check(
while (offset < end) {
struct xfs_dir2_data_unused *dup = bp->b_addr + offset;
struct xfs_dir2_data_entry *dep = bp->b_addr + offset;
+ unsigned int reclen;
+
+ /*
+ * Are the remaining bytes large enough to hold an
+ * unused entry?
+ */
+ if (offset > end - xfs_dir2_data_unusedsize(1))
+ return __this_address;
/*
* If it's unused, look for the space in the bestfree table.
@@ -186,9 +194,13 @@ __xfs_dir3_data_check(
if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) {
xfs_failaddr_t fa;
+ reclen = xfs_dir2_data_unusedsize(
+ be16_to_cpu(dup->length));
if (lastfree != 0)
return __this_address;
- if (offset + be16_to_cpu(dup->length) > end)
+ if (be16_to_cpu(dup->length) != reclen)
+ return __this_address;
+ if (offset + reclen > end)
return __this_address;
if (be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup)) !=
offset)
@@ -206,10 +218,18 @@ __xfs_dir3_data_check(
be16_to_cpu(bf[2].length))
return __this_address;
}
- offset += be16_to_cpu(dup->length);
+ offset += reclen;
lastfree = 1;
continue;
}
+
+ /*
+ * This is not an unused entry. Are the remaining bytes
+ * large enough for a dirent with a single-byte name?
+ */
+ if (offset > end - xfs_dir2_data_entsize(mp, 1))
+ return __this_address;
+
/*
* It's a real entry. Validate the fields.
* If this is a block directory then make sure it's
@@ -218,9 +238,10 @@ __xfs_dir3_data_check(
*/
if (dep->namelen == 0)
return __this_address;
- if (!xfs_verify_dir_ino(mp, be64_to_cpu(dep->inumber)))
+ reclen = xfs_dir2_data_entsize(mp, dep->namelen);
+ if (offset + reclen > end)
return __this_address;
- if (offset + xfs_dir2_data_entsize(mp, dep->namelen) > end)
+ if (!xfs_verify_dir_ino(mp, be64_to_cpu(dep->inumber)))
return __this_address;
if (be16_to_cpu(*xfs_dir2_data_entry_tag_p(mp, dep)) != offset)
return __this_address;
@@ -244,7 +265,7 @@ __xfs_dir3_data_check(
if (i >= be32_to_cpu(btp->count))
return __this_address;
}
- offset += xfs_dir2_data_entsize(mp, dep->namelen);
+ offset += reclen;
}
/*
* Need to have seen all the entries and all the bestfree slots.
diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index 7404a9ff1a92..9046d08554e9 100644
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -187,6 +187,13 @@ void xfs_dir2_sf_put_ftype(struct xfs_mount *mp,
extern int xfs_readdir(struct xfs_trans *tp, struct xfs_inode *dp,
struct dir_context *ctx, size_t bufsize);
+static inline unsigned int
+xfs_dir2_data_unusedsize(
+ unsigned int len)
+{
+ return round_up(len, XFS_DIR2_DATA_ALIGN);
+}
+
static inline unsigned int
xfs_dir2_data_entsize(
struct xfs_mount *mp,
diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
index cb035da3f990..fb05f44f6c75 100644
--- a/fs/xfs/libxfs/xfs_quota_defs.h
+++ b/fs/xfs/libxfs/xfs_quota_defs.h
@@ -56,7 +56,7 @@ typedef uint8_t xfs_dqtype_t;
* And, of course, we also need to take into account the dquot log format item
* used to describe each dquot.
*/
-#define XFS_DQUOT_LOGRES(mp) \
+#define XFS_DQUOT_LOGRES \
((sizeof(struct xfs_dq_logformat) + sizeof(struct xfs_disk_dquot)) * 6)
#define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT)
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index 5b2f27cbdb80..1bb2891b26ff 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -334,11 +334,11 @@ xfs_calc_write_reservation(
blksz);
t1 += adj;
t3 += adj;
- return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
+ return XFS_DQUOT_LOGRES + max3(t1, t2, t3);
}
t4 = xfs_calc_refcountbt_reservation(mp, 1);
- return XFS_DQUOT_LOGRES(mp) + max(t4, max3(t1, t2, t3));
+ return XFS_DQUOT_LOGRES + max(t4, max3(t1, t2, t3));
}
unsigned int
@@ -406,11 +406,11 @@ xfs_calc_itruncate_reservation(
xfs_refcountbt_block_count(mp, 4),
blksz);
- return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
+ return XFS_DQUOT_LOGRES + max3(t1, t2, t3);
}
t4 = xfs_calc_refcountbt_reservation(mp, 2);
- return XFS_DQUOT_LOGRES(mp) + max(t4, max3(t1, t2, t3));
+ return XFS_DQUOT_LOGRES + max(t4, max3(t1, t2, t3));
}
unsigned int
@@ -436,7 +436,7 @@ STATIC uint
xfs_calc_rename_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
max((xfs_calc_inode_res(mp, 5) +
xfs_calc_buf_res(2 * XFS_DIROP_LOG_COUNT(mp),
XFS_FSB_TO_B(mp, 1))),
@@ -475,7 +475,7 @@ STATIC uint
xfs_calc_link_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_iunlink_remove_reservation(mp) +
max((xfs_calc_inode_res(mp, 2) +
xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp),
@@ -513,7 +513,7 @@ STATIC uint
xfs_calc_remove_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_iunlink_add_reservation(mp) +
max((xfs_calc_inode_res(mp, 2) +
xfs_calc_buf_res(XFS_DIROP_LOG_COUNT(mp),
@@ -572,7 +572,7 @@ xfs_calc_icreate_resv_alloc(
STATIC uint
xfs_calc_icreate_reservation(xfs_mount_t *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
max(xfs_calc_icreate_resv_alloc(mp),
xfs_calc_create_resv_modify(mp));
}
@@ -581,7 +581,7 @@ STATIC uint
xfs_calc_create_tmpfile_reservation(
struct xfs_mount *mp)
{
- uint res = XFS_DQUOT_LOGRES(mp);
+ uint res = XFS_DQUOT_LOGRES;
res += xfs_calc_icreate_resv_alloc(mp);
return res + xfs_calc_iunlink_add_reservation(mp);
@@ -630,7 +630,7 @@ STATIC uint
xfs_calc_ifree_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) +
xfs_calc_iunlink_remove_reservation(mp) +
@@ -647,7 +647,7 @@ STATIC uint
xfs_calc_ichange_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(1, mp->m_sb.sb_sectsize);
@@ -756,7 +756,7 @@ STATIC uint
xfs_calc_addafork_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(2, mp->m_sb.sb_sectsize) +
xfs_calc_buf_res(1, mp->m_dir_geo->blksize) +
@@ -804,7 +804,7 @@ STATIC uint
xfs_calc_attrsetm_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(1, mp->m_sb.sb_sectsize) +
xfs_calc_buf_res(XFS_DA_NODE_MAXDEPTH, XFS_FSB_TO_B(mp, 1));
@@ -844,7 +844,7 @@ STATIC uint
xfs_calc_attrrm_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
+ return XFS_DQUOT_LOGRES +
max((xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(XFS_DA_NODE_MAXDEPTH,
XFS_FSB_TO_B(mp, 1)) +
diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c
index 876a2f41b063..058b6c305224 100644
--- a/fs/xfs/scrub/agheader_repair.c
+++ b/fs/xfs/scrub/agheader_repair.c
@@ -705,7 +705,7 @@ xrep_agfl_init_header(
* step.
*/
xagb_bitmap_init(&af.used_extents);
- af.agfl_bno = xfs_buf_to_agfl_bno(agfl_bp),
+ af.agfl_bno = xfs_buf_to_agfl_bno(agfl_bp);
xagb_bitmap_walk(agfl_extents, xrep_agfl_fill, &af);
error = xagb_bitmap_disunion(agfl_extents, &af.used_extents);
if (error)
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 75588915572e..9dfa310df311 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -857,7 +857,13 @@ xchk_bmap(
}
break;
case XFS_ATTR_FORK:
- if (!xfs_has_attr(mp) && !xfs_has_attr2(mp))
+ /*
+ * "attr" means that an attr fork was created at some point in
+ * the life of this filesystem. "attr2" means that inodes have
+ * variable-sized data/attr fork areas. Hence we only check
+ * attr here.
+ */
+ if (!xfs_has_attr(mp))
xchk_ino_set_corrupt(sc, sc->ip->i_ino);
break;
default:
diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h
index 6d86f4d56353..b1e6879a0731 100644
--- a/fs/xfs/scrub/trace.h
+++ b/fs/xfs/scrub/trace.h
@@ -784,18 +784,16 @@ TRACE_EVENT(xfile_create,
TP_STRUCT__entry(
__field(dev_t, dev)
__field(unsigned long, ino)
- __array(char, pathname, 256)
+ __array(char, pathname, MAXNAMELEN)
),
TP_fast_assign(
- char pathname[257];
char *path;
__entry->ino = file_inode(xf->file)->i_ino;
- memset(pathname, 0, sizeof(pathname));
- path = file_path(xf->file, pathname, sizeof(pathname) - 1);
+ path = file_path(xf->file, __entry->pathname, MAXNAMELEN);
if (IS_ERR(path))
- path = "(unknown)";
- strncpy(__entry->pathname, path, sizeof(__entry->pathname));
+ strncpy(__entry->pathname, "(unknown)",
+ sizeof(__entry->pathname));
),
TP_printk("xfino 0x%lx path '%s'",
__entry->ino,
diff --git a/fs/xfs/xfs.h b/fs/xfs/xfs.h
index f6ffb4f248f7..9355ccad9503 100644
--- a/fs/xfs/xfs.h
+++ b/fs/xfs/xfs.h
@@ -10,6 +10,10 @@
#define DEBUG 1
#endif
+#ifdef CONFIG_XFS_DEBUG_EXPENSIVE
+#define DEBUG_EXPENSIVE 1
+#endif
+
#ifdef CONFIG_XFS_ASSERT_FATAL
#define XFS_ASSERT_FATAL 1
#endif
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index f9d72d8e3c35..1fa10a83da0b 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -963,14 +963,18 @@ xfs_flush_unmap_range(
xfs_off_t offset,
xfs_off_t len)
{
- struct xfs_mount *mp = ip->i_mount;
struct inode *inode = VFS_I(ip);
xfs_off_t rounding, start, end;
int error;
- rounding = max_t(xfs_off_t, mp->m_sb.sb_blocksize, PAGE_SIZE);
- start = round_down(offset, rounding);
- end = round_up(offset + len, rounding) - 1;
+ /*
+ * Make sure we extend the flush out to extent alignment
+ * boundaries so any extent range overlapping the start/end
+ * of the modification we are about to do is clean and idle.
+ */
+ rounding = max_t(xfs_off_t, xfs_inode_alloc_unitsize(ip), PAGE_SIZE);
+ start = rounddown_64(offset, rounding);
+ end = roundup_64(offset + len, rounding) - 1;
error = filemap_write_and_wait_range(inode->i_mapping, start, end);
if (error)
@@ -1055,7 +1059,7 @@ xfs_prepare_shift(
struct xfs_inode *ip,
loff_t offset)
{
- struct xfs_mount *mp = ip->i_mount;
+ unsigned int rounding;
int error;
/*
@@ -1073,11 +1077,13 @@ xfs_prepare_shift(
* with the full range of the operation. If we don't, a COW writeback
* completion could race with an insert, front merge with the start
* extent (after split) during the shift and corrupt the file. Start
- * with the block just prior to the start to stabilize the boundary.
+ * with the allocation unit just prior to the start to stabilize the
+ * boundary.
*/
- offset = round_down(offset, mp->m_sb.sb_blocksize);
+ rounding = xfs_inode_alloc_unitsize(ip);
+ offset = rounddown_64(offset, rounding);
if (offset)
- offset -= mp->m_sb.sb_blocksize;
+ offset -= rounding;
/*
* Writeback and invalidate cache for the remainder of the file as we're
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 023d4e0385dd..b02ce568de0c 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -22,6 +22,7 @@
#include "xfs_trace.h"
#include "xfs_log.h"
#include "xfs_log_priv.h"
+#include "xfs_error.h"
struct kmem_cache *xfs_buf_item_cache;
@@ -781,8 +782,39 @@ xfs_buf_item_committed(
return lsn;
}
+#ifdef DEBUG_EXPENSIVE
+static int
+xfs_buf_item_precommit(
+ struct xfs_trans *tp,
+ struct xfs_log_item *lip)
+{
+ struct xfs_buf_log_item *bip = BUF_ITEM(lip);
+ struct xfs_buf *bp = bip->bli_buf;
+ struct xfs_mount *mp = bp->b_mount;
+ xfs_failaddr_t fa;
+
+ if (!bp->b_ops || !bp->b_ops->verify_struct)
+ return 0;
+ if (bip->bli_flags & XFS_BLI_STALE)
+ return 0;
+
+ fa = bp->b_ops->verify_struct(bp);
+ if (fa) {
+ xfs_buf_verifier_error(bp, -EFSCORRUPTED, bp->b_ops->name,
+ bp->b_addr, BBTOB(bp->b_length), fa);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ ASSERT(fa == NULL);
+ }
+
+ return 0;
+}
+#else
+# define xfs_buf_item_precommit NULL
+#endif
+
static const struct xfs_item_ops xfs_buf_item_ops = {
.iop_size = xfs_buf_item_size,
+ .iop_precommit = xfs_buf_item_precommit,
.iop_format = xfs_buf_item_format,
.iop_pin = xfs_buf_item_pin,
.iop_unpin = xfs_buf_item_unpin,
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index 6a1aae799cf1..7d19091215b0 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -17,6 +17,7 @@
#include "xfs_trans_priv.h"
#include "xfs_qm.h"
#include "xfs_log.h"
+#include "xfs_error.h"
static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip)
{
@@ -193,8 +194,38 @@ xfs_qm_dquot_logitem_committing(
return xfs_qm_dquot_logitem_release(lip);
}
+#ifdef DEBUG_EXPENSIVE
+static int
+xfs_qm_dquot_logitem_precommit(
+ struct xfs_trans *tp,
+ struct xfs_log_item *lip)
+{
+ struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
+ struct xfs_mount *mp = dqp->q_mount;
+ struct xfs_disk_dquot ddq = { };
+ xfs_failaddr_t fa;
+
+ xfs_dquot_to_disk(&ddq, dqp);
+ fa = xfs_dquot_verify(mp, &ddq, dqp->q_id);
+ if (fa) {
+ XFS_CORRUPTION_ERROR("Bad dquot during logging",
+ XFS_ERRLEVEL_LOW, mp, &ddq, sizeof(ddq));
+ xfs_alert(mp,
+ "Metadata corruption detected at %pS, dquot 0x%x",
+ fa, dqp->q_id);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ ASSERT(fa == NULL);
+ }
+
+ return 0;
+}
+#else
+# define xfs_qm_dquot_logitem_precommit NULL
+#endif
+
static const struct xfs_item_ops xfs_dquot_item_ops = {
.iop_size = xfs_qm_dquot_logitem_size,
+ .iop_precommit = xfs_qm_dquot_logitem_precommit,
.iop_format = xfs_qm_dquot_logitem_format,
.iop_pin = xfs_qm_dquot_logitem_pin,
.iop_unpin = xfs_qm_dquot_logitem_unpin,
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 16769c22c070..3b9d43d5c746 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -24,6 +24,7 @@
#include "xfs_pnfs.h"
#include "xfs_iomap.h"
#include "xfs_reflink.h"
+#include "xfs_file.h"
#include <linux/dax.h>
#include <linux/falloc.h>
@@ -38,33 +39,25 @@ static const struct vm_operations_struct xfs_file_vm_ops;
* Decide if the given file range is aligned to the size of the fundamental
* allocation unit for the file.
*/
-static bool
+bool
xfs_is_falloc_aligned(
struct xfs_inode *ip,
loff_t pos,
long long int len)
{
- struct xfs_mount *mp = ip->i_mount;
- uint64_t mask;
-
- if (XFS_IS_REALTIME_INODE(ip)) {
- if (!is_power_of_2(mp->m_sb.sb_rextsize)) {
- u64 rextbytes;
- u32 mod;
-
- rextbytes = XFS_FSB_TO_B(mp, mp->m_sb.sb_rextsize);
- div_u64_rem(pos, rextbytes, &mod);
- if (mod)
- return false;
- div_u64_rem(len, rextbytes, &mod);
- return mod == 0;
- }
- mask = XFS_FSB_TO_B(mp, mp->m_sb.sb_rextsize) - 1;
- } else {
- mask = mp->m_sb.sb_blocksize - 1;
+ unsigned int alloc_unit = xfs_inode_alloc_unitsize(ip);
+
+ if (!is_power_of_2(alloc_unit)) {
+ u32 mod;
+
+ div_u64_rem(pos, alloc_unit, &mod);
+ if (mod)
+ return false;
+ div_u64_rem(len, alloc_unit, &mod);
+ return mod == 0;
}
- return !((pos | len) & mask);
+ return !((pos | len) & (alloc_unit - 1));
}
/*
diff --git a/fs/xfs/xfs_file.h b/fs/xfs/xfs_file.h
new file mode 100644
index 000000000000..2ad91f755caf
--- /dev/null
+++ b/fs/xfs/xfs_file.h
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef __XFS_FILE_H__
+#define __XFS_FILE_H__
+
+extern const struct file_operations xfs_file_operations;
+extern const struct file_operations xfs_dir_file_operations;
+
+bool xfs_is_falloc_aligned(struct xfs_inode *ip, loff_t pos,
+ long long int len);
+
+#endif /* __XFS_FILE_H__ */
diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 8982c5d6cbd0..7754d51e1c27 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -71,7 +71,7 @@ xfs_fsmap_owner_to_rmap(
switch (src->fmr_owner) {
case 0: /* "lowest owner id possible" */
case -1ULL: /* "highest owner id possible" */
- dest->rm_owner = 0;
+ dest->rm_owner = src->fmr_owner;
break;
case XFS_FMR_OWN_FREE:
dest->rm_owner = XFS_RMAP_OWN_NULL;
@@ -252,7 +252,7 @@ xfs_getfsmap_rec_before_start(
const struct xfs_rmap_irec *rec,
xfs_daddr_t rec_daddr)
{
- if (info->low_daddr != -1ULL)
+ if (info->low_daddr != XFS_BUF_DADDR_NULL)
return rec_daddr < info->low_daddr;
if (info->low.rm_blockcount)
return xfs_rmap_compare(rec, &info->low) < 0;
@@ -986,7 +986,7 @@ xfs_getfsmap(
info.dev = handlers[i].dev;
info.last = false;
info.pag = NULL;
- info.low_daddr = -1ULL;
+ info.low_daddr = XFS_BUF_DADDR_NULL;
info.low.rm_blockcount = 0;
error = handlers[i].fn(tp, dkeys, &info);
if (error)
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 7aa73855fab6..6f7dca1c14c7 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -982,10 +982,12 @@ xfs_create(
prid = xfs_get_initial_prid(dp);
/*
- * Make sure that we have allocated dquot(s) on disk.
+ * Make sure that we have allocated dquot(s) on disk. The uid/gid
+ * computation code must match what the VFS uses to assign i_[ug]id.
+ * INHERIT adjusts the gid computation for setgid/grpid systems.
*/
- error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, &init_user_ns),
- mapped_fsgid(idmap, &init_user_ns), prid,
+ error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, i_user_ns(VFS_I(dp))),
+ mapped_fsgid(idmap, i_user_ns(VFS_I(dp))), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
@@ -1131,10 +1133,12 @@ xfs_create_tmpfile(
prid = xfs_get_initial_prid(dp);
/*
- * Make sure that we have allocated dquot(s) on disk.
+ * Make sure that we have allocated dquot(s) on disk. The uid/gid
+ * computation code must match what the VFS uses to assign i_[ug]id.
+ * INHERIT adjusts the gid computation for setgid/grpid systems.
*/
- error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, &init_user_ns),
- mapped_fsgid(idmap, &init_user_ns), prid,
+ error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, i_user_ns(VFS_I(dp))),
+ mapped_fsgid(idmap, i_user_ns(VFS_I(dp))), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
@@ -3778,3 +3782,16 @@ xfs_inode_reload_unlinked(
return error;
}
+
+/* Returns the size of fundamental allocation unit for a file, in bytes. */
+unsigned int
+xfs_inode_alloc_unitsize(
+ struct xfs_inode *ip)
+{
+ unsigned int blocks = 1;
+
+ if (XFS_IS_REALTIME_INODE(ip))
+ blocks = ip->i_mount->m_sb.sb_rextsize;
+
+ return XFS_FSB_TO_B(ip->i_mount, blocks);
+}
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 3beb470f1892..0f2999b84e7d 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -622,4 +622,6 @@ xfs_inode_unlinked_incomplete(
int xfs_inode_reload_unlinked_bucket(struct xfs_trans *tp, struct xfs_inode *ip);
int xfs_inode_reload_unlinked(struct xfs_inode *ip);
+unsigned int xfs_inode_alloc_unitsize(struct xfs_inode *ip);
+
#endif /* __XFS_INODE_H__ */
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 155a8b312875..b55ad3b7b113 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -36,6 +36,36 @@ xfs_inode_item_sort(
return INODE_ITEM(lip)->ili_inode->i_ino;
}
+#ifdef DEBUG_EXPENSIVE
+static void
+xfs_inode_item_precommit_check(
+ struct xfs_inode *ip)
+{
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_dinode *dip;
+ xfs_failaddr_t fa;
+
+ dip = kzalloc(mp->m_sb.sb_inodesize, GFP_KERNEL | GFP_NOFS);
+ if (!dip) {
+ ASSERT(dip != NULL);
+ return;
+ }
+
+ xfs_inode_to_disk(ip, dip, 0);
+ xfs_dinode_calc_crc(mp, dip);
+ fa = xfs_dinode_verify(mp, ip->i_ino, dip);
+ if (fa) {
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, dip,
+ sizeof(*dip), fa);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ ASSERT(fa == NULL);
+ }
+ kfree(dip);
+}
+#else
+# define xfs_inode_item_precommit_check(ip) ((void)0)
+#endif
+
/*
* Prior to finally logging the inode, we have to ensure that all the
* per-modification inode state changes are applied. This includes VFS inode
@@ -168,6 +198,8 @@ xfs_inode_item_precommit(
iip->ili_fields |= (flags | iip->ili_last_fields);
spin_unlock(&iip->ili_lock);
+ xfs_inode_item_precommit_check(ip);
+
/*
* We are done with the log item transaction dirty state, so clear it so
* that it doesn't pollute future transactions.
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 535f6d38cdb5..32e718043e0e 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -38,6 +38,7 @@
#include "xfs_reflink.h"
#include "xfs_ioctl.h"
#include "xfs_xattr.h"
+#include "xfs_file.h"
#include <linux/mount.h>
#include <linux/namei.h>
@@ -1127,6 +1128,17 @@ xfs_ioctl_setattr_xflags(
/* Can't change realtime flag if any extents are allocated. */
if (ip->i_df.if_nextents || ip->i_delayed_blks)
return -EINVAL;
+
+ /*
+ * If S_DAX is enabled on this file, we can only switch the
+ * device if both support fsdax. We can't update S_DAX because
+ * there might be other threads walking down the access paths.
+ */
+ if (IS_DAX(VFS_I(ip)) &&
+ (mp->m_ddev_targp->bt_daxdev == NULL ||
+ (mp->m_rtdev_targp &&
+ mp->m_rtdev_targp->bt_daxdev == NULL)))
+ return -EINVAL;
}
if (rtflag) {
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index b8ec045708c3..f9466311dfea 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -25,6 +25,7 @@
#include "xfs_error.h"
#include "xfs_ioctl.h"
#include "xfs_xattr.h"
+#include "xfs_file.h"
#include <linux/posix_acl.h>
#include <linux/security.h>
diff --git a/fs/xfs/xfs_iops.h b/fs/xfs/xfs_iops.h
index 7f84a0843b24..52d6d510a21d 100644
--- a/fs/xfs/xfs_iops.h
+++ b/fs/xfs/xfs_iops.h
@@ -8,9 +8,6 @@
struct xfs_inode;
-extern const struct file_operations xfs_file_operations;
-extern const struct file_operations xfs_dir_file_operations;
-
extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size);
int xfs_vn_setattr_size(struct mnt_idmap *idmap,
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 608db1ab88a4..ad828fbd5ce4 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -915,6 +915,39 @@ xfs_alloc_rsum_cache(
xfs_warn(mp, "could not allocate realtime summary cache");
}
+/*
+ * If we changed the rt extent size (meaning there was no rt volume previously)
+ * and the root directory had EXTSZINHERIT and RTINHERIT set, it's possible
+ * that the extent size hint on the root directory is no longer congruent with
+ * the new rt extent size. Log the rootdir inode to fix this.
+ */
+static int
+xfs_growfs_rt_fixup_extsize(
+ struct xfs_mount *mp)
+{
+ struct xfs_inode *ip = mp->m_rootip;
+ struct xfs_trans *tp;
+ int error = 0;
+
+ xfs_ilock(ip, XFS_IOLOCK_EXCL);
+ if (!(ip->i_diflags & XFS_DIFLAG_RTINHERIT) ||
+ !(ip->i_diflags & XFS_DIFLAG_EXTSZINHERIT))
+ goto out_iolock;
+
+ error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_ichange, 0, 0, false,
+ &tp);
+ if (error)
+ goto out_iolock;
+
+ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+ error = xfs_trans_commit(tp);
+ xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+out_iolock:
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+ return error;
+}
+
/*
* Visible (exported) functions.
*/
@@ -944,6 +977,7 @@ xfs_growfs_rt(
xfs_sb_t *sbp; /* old superblock */
xfs_fsblock_t sumbno; /* summary block number */
uint8_t *rsum_cache; /* old summary cache */
+ xfs_agblock_t old_rextsize = mp->m_sb.sb_rextsize;
sbp = &mp->m_sb;
@@ -953,34 +987,39 @@ xfs_growfs_rt(
/* Needs to have been mounted with an rt device. */
if (!XFS_IS_REALTIME_MOUNT(mp))
return -EINVAL;
+
+ if (!mutex_trylock(&mp->m_growlock))
+ return -EWOULDBLOCK;
/*
* Mount should fail if the rt bitmap/summary files don't load, but
* we'll check anyway.
*/
+ error = -EINVAL;
if (!mp->m_rbmip || !mp->m_rsumip)
- return -EINVAL;
+ goto out_unlock;
/* Shrink not supported. */
if (in->newblocks <= sbp->sb_rblocks)
- return -EINVAL;
+ goto out_unlock;
/* Can only change rt extent size when adding rt volume. */
if (sbp->sb_rblocks > 0 && in->extsize != sbp->sb_rextsize)
- return -EINVAL;
+ goto out_unlock;
/* Range check the extent size. */
if (XFS_FSB_TO_B(mp, in->extsize) > XFS_MAX_RTEXTSIZE ||
XFS_FSB_TO_B(mp, in->extsize) < XFS_MIN_RTEXTSIZE)
- return -EINVAL;
+ goto out_unlock;
/* Unsupported realtime features. */
+ error = -EOPNOTSUPP;
if (xfs_has_rmapbt(mp) || xfs_has_reflink(mp) || xfs_has_quota(mp))
- return -EOPNOTSUPP;
+ goto out_unlock;
nrblocks = in->newblocks;
error = xfs_sb_validate_fsb_count(sbp, nrblocks);
if (error)
- return error;
+ goto out_unlock;
/*
* Read in the last block of the device, make sure it exists.
*/
@@ -988,7 +1027,7 @@ xfs_growfs_rt(
XFS_FSB_TO_BB(mp, nrblocks - 1),
XFS_FSB_TO_BB(mp, 1), 0, &bp, NULL);
if (error)
- return error;
+ goto out_unlock;
xfs_buf_relse(bp);
/*
@@ -996,8 +1035,10 @@ xfs_growfs_rt(
*/
nrextents = nrblocks;
do_div(nrextents, in->extsize);
- if (!xfs_validate_rtextents(nrextents))
- return -EINVAL;
+ if (!xfs_validate_rtextents(nrextents)) {
+ error = -EINVAL;
+ goto out_unlock;
+ }
nrbmblocks = howmany_64(nrextents, NBBY * sbp->sb_blocksize);
nrextslog = xfs_compute_rextslog(nrextents);
nrsumlevels = nrextslog + 1;
@@ -1009,8 +1050,11 @@ xfs_growfs_rt(
* the log. This prevents us from getting a log overflow,
* since we'll log basically the whole summary file at once.
*/
- if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1))
- return -EINVAL;
+ if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1)) {
+ error = -EINVAL;
+ goto out_unlock;
+ }
+
/*
* Get the old block counts for bitmap and summary inodes.
* These can't change since other growfs callers are locked out.
@@ -1022,10 +1066,10 @@ xfs_growfs_rt(
*/
error = xfs_growfs_rt_alloc(mp, rbmblocks, nrbmblocks, mp->m_rbmip);
if (error)
- return error;
+ goto out_unlock;
error = xfs_growfs_rt_alloc(mp, rsumblocks, nrsumblocks, mp->m_rsumip);
if (error)
- return error;
+ goto out_unlock;
rsum_cache = mp->m_rsum_cache;
if (nrbmblocks != sbp->sb_rbmblocks)
@@ -1167,6 +1211,12 @@ xfs_growfs_rt(
if (error)
goto out_free;
+ if (old_rextsize != in->extsize) {
+ error = xfs_growfs_rt_fixup_extsize(mp);
+ if (error)
+ goto out_free;
+ }
+
/* Update secondary superblocks now the physical grow has completed */
error = xfs_update_secondary_sbs(mp);
@@ -1190,6 +1240,8 @@ xfs_growfs_rt(
}
}
+out_unlock:
+ mutex_unlock(&mp->m_growlock);
return error;
}
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 85e433df6a3f..b08be64dd10b 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -191,10 +191,12 @@ xfs_symlink(
prid = xfs_get_initial_prid(dp);
/*
- * Make sure that we have allocated dquot(s) on disk.
+ * Make sure that we have allocated dquot(s) on disk. The uid/gid
+ * computation code must match what the VFS uses to assign i_[ug]id.
+ * INHERIT adjusts the gid computation for setgid/grpid systems.
*/
- error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, &init_user_ns),
- mapped_fsgid(idmap, &init_user_ns), prid,
+ error = xfs_qm_vop_dqalloc(dp, mapped_fsuid(idmap, i_user_ns(VFS_I(dp))),
+ mapped_fsgid(idmap, i_user_ns(VFS_I(dp))), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 96ceb4095425..3e7fc9054789 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1561,6 +1561,7 @@ struct hv_util_service {
void *channel;
void (*util_cb)(void *);
int (*util_init)(struct hv_util_service *);
+ int (*util_init_transport)(void);
void (*util_deinit)(void);
int (*util_pre_suspend)(void);
int (*util_pre_resume)(void);
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index f99ff6de926c..108cffa3ae5b 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -65,10 +65,8 @@ static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
static inline void io_uring_files_cancel(void)
{
- if (current->io_uring) {
- io_uring_unreg_ringfd();
+ if (current->io_uring)
__io_uring_cancel(false);
- }
}
static inline void io_uring_task_cancel(void)
{
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 5ec7739400f4..1ad63e595c8e 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -225,6 +225,7 @@ void __wake_up_pollfree(struct wait_queue_head *wq_head);
#define wake_up_all(x) __wake_up(x, TASK_NORMAL, 0, NULL)
#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL, 1)
#define wake_up_all_locked(x) __wake_up_locked((x), TASK_NORMAL, 0)
+#define wake_up_sync(x) __wake_up_sync(x, TASK_NORMAL)
#define wake_up_interruptible(x) __wake_up(x, TASK_INTERRUPTIBLE, 1, NULL)
#define wake_up_interruptible_nr(x, nr) __wake_up(x, TASK_INTERRUPTIBLE, nr, NULL)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 70dd6a5b9647..0122f220ef0d 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -492,13 +492,17 @@ static void io_prep_async_link(struct io_kiocb *req)
}
}
-void io_queue_iowq(struct io_kiocb *req, struct io_tw_state *ts_dont_use)
+static void io_queue_iowq(struct io_kiocb *req)
{
struct io_kiocb *link = io_prep_linked_timeout(req);
struct io_uring_task *tctx = req->task->io_uring;
BUG_ON(!tctx);
- BUG_ON(!tctx->io_wq);
+
+ if ((current->flags & PF_KTHREAD) || !tctx->io_wq) {
+ io_req_task_queue_fail(req, -ECANCELED);
+ return;
+ }
/* init ->work of the whole link before punting */
io_prep_async_link(req);
@@ -1475,7 +1479,7 @@ void io_req_task_submit(struct io_kiocb *req, struct io_tw_state *ts)
if (unlikely(req->task->flags & PF_EXITING))
io_req_defer_failed(req, -EFAULT);
else if (req->flags & REQ_F_FORCE_ASYNC)
- io_queue_iowq(req, ts);
+ io_queue_iowq(req);
else
io_queue_sqe(req);
}
@@ -2040,7 +2044,7 @@ static void io_queue_async(struct io_kiocb *req, int ret)
break;
case IO_APOLL_ABORTED:
io_kbuf_recycle(req, 0);
- io_queue_iowq(req, NULL);
+ io_queue_iowq(req);
break;
case IO_APOLL_OK:
break;
@@ -2089,7 +2093,7 @@ static void io_queue_sqe_fallback(struct io_kiocb *req)
if (unlikely(req->ctx->drain_active))
io_drain_req(req);
else
- io_queue_iowq(req, NULL);
+ io_queue_iowq(req);
}
}
@@ -3431,6 +3435,7 @@ __cold void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd)
void __io_uring_cancel(bool cancel_all)
{
+ io_uring_unreg_ringfd();
io_uring_cancel_generic(cancel_all, NULL);
}
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index 8242820742ee..57658d24a73e 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -63,7 +63,6 @@ struct file *io_file_get_fixed(struct io_kiocb *req, int fd,
void __io_req_task_work_add(struct io_kiocb *req, unsigned flags);
bool io_alloc_async_data(struct io_kiocb *req);
void io_req_task_queue(struct io_kiocb *req);
-void io_queue_iowq(struct io_kiocb *req, struct io_tw_state *ts_dont_use);
void io_req_task_complete(struct io_kiocb *req, struct io_tw_state *ts);
void io_req_task_queue_fail(struct io_kiocb *req, int ret);
void io_req_task_submit(struct io_kiocb *req, struct io_tw_state *ts);
diff --git a/io_uring/rw.c b/io_uring/rw.c
index e90404c812fa..a62f84e28bac 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -168,12 +168,6 @@ static inline loff_t *io_kiocb_update_pos(struct io_kiocb *req)
return NULL;
}
-static void io_req_task_queue_reissue(struct io_kiocb *req)
-{
- req->io_task_work.func = io_queue_iowq;
- io_req_task_work_add(req);
-}
-
#ifdef CONFIG_BLOCK
static bool io_resubmit_prep(struct io_kiocb *req)
{
@@ -359,7 +353,7 @@ static int kiocb_done(struct io_kiocb *req, ssize_t ret,
if (req->flags & REQ_F_REISSUE) {
req->flags &= ~REQ_F_REISSUE;
if (io_resubmit_prep(req))
- io_req_task_queue_reissue(req);
+ return -EAGAIN;
else
io_req_task_queue_fail(req, final_ret);
}
@@ -712,7 +706,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode)
return 0;
}
-int io_read(struct io_kiocb *req, unsigned int issue_flags)
+static int __io_read(struct io_kiocb *req, unsigned int issue_flags)
{
struct io_rw *rw = io_kiocb_to_cmd(req, struct io_rw);
struct io_rw_state __s, *s = &__s;
@@ -778,6 +772,14 @@ int io_read(struct io_kiocb *req, unsigned int issue_flags)
ret = io_iter_do_read(rw, &s->iter);
+ /*
+ * Some file systems like to return -EOPNOTSUPP for an IOCB_NOWAIT
+ * issue, even though they should be returning -EAGAIN. To be safe,
+ * retry from blocking context for either.
+ */
+ if (ret == -EOPNOTSUPP && force_nonblock)
+ ret = -EAGAIN;
+
if (ret == -EAGAIN || (req->flags & REQ_F_REISSUE)) {
req->flags &= ~REQ_F_REISSUE;
/* if we can poll, just do that */
@@ -857,7 +859,18 @@ int io_read(struct io_kiocb *req, unsigned int issue_flags)
/* it's faster to check here then delegate to kfree */
if (iovec)
kfree(iovec);
- return kiocb_done(req, ret, issue_flags);
+ return ret;
+}
+
+int io_read(struct io_kiocb *req, unsigned int issue_flags)
+{
+ int ret;
+
+ ret = __io_read(req, issue_flags);
+ if (ret >= 0)
+ return kiocb_done(req, ret, issue_flags);
+
+ return ret;
}
static bool io_kiocb_start_write(struct io_kiocb *req, struct kiocb *kiocb)
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index c68dc50c8bec..64cd856308e7 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -244,19 +244,16 @@ int trace_event_get_offsets(struct trace_event_call *call)
return tail->offset + tail->size;
}
-/*
- * Check if the referenced field is an array and return true,
- * as arrays are OK to dereference.
- */
-static bool test_field(const char *fmt, struct trace_event_call *call)
+
+static struct trace_event_fields *find_event_field(const char *fmt,
+ struct trace_event_call *call)
{
struct trace_event_fields *field = call->class->fields_array;
- const char *array_descriptor;
const char *p = fmt;
int len;
if (!(len = str_has_prefix(fmt, "REC->")))
- return false;
+ return NULL;
fmt += len;
for (p = fmt; *p; p++) {
if (!isalnum(*p) && *p != '_')
@@ -265,16 +262,120 @@ static bool test_field(const char *fmt, struct trace_event_call *call)
len = p - fmt;
for (; field->type; field++) {
- if (strncmp(field->name, fmt, len) ||
- field->name[len])
+ if (strncmp(field->name, fmt, len) || field->name[len])
continue;
- array_descriptor = strchr(field->type, '[');
- /* This is an array and is OK to dereference. */
- return array_descriptor != NULL;
+
+ return field;
+ }
+ return NULL;
+}
+
+/*
+ * Check if the referenced field is an array and return true,
+ * as arrays are OK to dereference.
+ */
+static bool test_field(const char *fmt, struct trace_event_call *call)
+{
+ struct trace_event_fields *field;
+
+ field = find_event_field(fmt, call);
+ if (!field)
+ return false;
+
+ /* This is an array and is OK to dereference. */
+ return strchr(field->type, '[') != NULL;
+}
+
+/* Look for a string within an argument */
+static bool find_print_string(const char *arg, const char *str, const char *end)
+{
+ const char *r;
+
+ r = strstr(arg, str);
+ return r && r < end;
+}
+
+/* Return true if the argument pointer is safe */
+static bool process_pointer(const char *fmt, int len, struct trace_event_call *call)
+{
+ const char *r, *e, *a;
+
+ e = fmt + len;
+
+ /* Find the REC-> in the argument */
+ r = strstr(fmt, "REC->");
+ if (r && r < e) {
+ /*
+ * Addresses of events on the buffer, or an array on the buffer is
+ * OK to dereference. There's ways to fool this, but
+ * this is to catch common mistakes, not malicious code.
+ */
+ a = strchr(fmt, '&');
+ if ((a && (a < r)) || test_field(r, call))
+ return true;
+ } else if (find_print_string(fmt, "__get_dynamic_array(", e)) {
+ return true;
+ } else if (find_print_string(fmt, "__get_rel_dynamic_array(", e)) {
+ return true;
+ } else if (find_print_string(fmt, "__get_dynamic_array_len(", e)) {
+ return true;
+ } else if (find_print_string(fmt, "__get_rel_dynamic_array_len(", e)) {
+ return true;
+ } else if (find_print_string(fmt, "__get_sockaddr(", e)) {
+ return true;
+ } else if (find_print_string(fmt, "__get_rel_sockaddr(", e)) {
+ return true;
}
return false;
}
+/* Return true if the string is safe */
+static bool process_string(const char *fmt, int len, struct trace_event_call *call)
+{
+ const char *r, *e, *s;
+
+ e = fmt + len;
+
+ /*
+ * There are several helper functions that return strings.
+ * If the argument contains a function, then assume its field is valid.
+ * It is considered that the argument has a function if it has:
+ * alphanumeric or '_' before a parenthesis.
+ */
+ s = fmt;
+ do {
+ r = strstr(s, "(");
+ if (!r || r >= e)
+ break;
+ for (int i = 1; r - i >= s; i++) {
+ char ch = *(r - i);
+ if (isspace(ch))
+ continue;
+ if (isalnum(ch) || ch == '_')
+ return true;
+ /* Anything else, this isn't a function */
+ break;
+ }
+ /* A function could be wrapped in parethesis, try the next one */
+ s = r + 1;
+ } while (s < e);
+
+ /*
+ * If there's any strings in the argument consider this arg OK as it
+ * could be: REC->field ? "foo" : "bar" and we don't want to get into
+ * verifying that logic here.
+ */
+ if (find_print_string(fmt, "\"", e))
+ return true;
+
+ /* Dereferenced strings are also valid like any other pointer */
+ if (process_pointer(fmt, len, call))
+ return true;
+
+ /* Make sure the field is found, and consider it OK for now if it is */
+ return find_event_field(fmt, call) != NULL;
+}
+
/*
* Examine the print fmt of the event looking for unsafe dereference
* pointers using %p* that could be recorded in the trace event and
@@ -284,13 +385,14 @@ static bool test_field(const char *fmt, struct trace_event_call *call)
static void test_event_printk(struct trace_event_call *call)
{
u64 dereference_flags = 0;
+ u64 string_flags = 0;
bool first = true;
- const char *fmt, *c, *r, *a;
+ const char *fmt;
int parens = 0;
char in_quote = 0;
int start_arg = 0;
int arg = 0;
- int i;
+ int i, e;
fmt = call->print_fmt;
@@ -374,8 +476,16 @@ static void test_event_printk(struct trace_event_call *call)
star = true;
continue;
}
- if ((fmt[i + j] == 's') && star)
- arg++;
+ if ((fmt[i + j] == 's')) {
+ if (star)
+ arg++;
+ if (WARN_ONCE(arg == 63,
+ "Too many args for event: %s",
+ trace_event_name(call)))
+ return;
+ dereference_flags |= 1ULL << arg;
+ string_flags |= 1ULL << arg;
+ }
break;
}
break;
@@ -403,42 +513,47 @@ static void test_event_printk(struct trace_event_call *call)
case ',':
if (in_quote || parens)
continue;
+ e = i;
i++;
while (isspace(fmt[i]))
i++;
- start_arg = i;
- if (!(dereference_flags & (1ULL << arg)))
- goto next_arg;
- /* Find the REC-> in the argument */
- c = strchr(fmt + i, ',');
- r = strstr(fmt + i, "REC->");
- if (r && (!c || r < c)) {
- /*
- * Addresses of events on the buffer,
- * or an array on the buffer is
- * OK to dereference.
- * There's ways to fool this, but
- * this is to catch common mistakes,
- * not malicious code.
- */
- a = strchr(fmt + i, '&');
- if ((a && (a < r)) || test_field(r, call))
+ /*
+ * If start_arg is zero, then this is the start of the
+ * first argument. The processing of the argument happens
+ * when the end of the argument is found, as it needs to
+ * handle paranthesis and such.
+ */
+ if (!start_arg) {
+ start_arg = i;
+ /* Balance out the i++ in the for loop */
+ i--;
+ continue;
+ }
+
+ if (dereference_flags & (1ULL << arg)) {
+ if (string_flags & (1ULL << arg)) {
+ if (process_string(fmt + start_arg, e - start_arg, call))
+ dereference_flags &= ~(1ULL << arg);
+ } else if (process_pointer(fmt + start_arg, e - start_arg, call))
dereference_flags &= ~(1ULL << arg);
- } else if ((r = strstr(fmt + i, "__get_dynamic_array(")) &&
- (!c || r < c)) {
- dereference_flags &= ~(1ULL << arg);
- } else if ((r = strstr(fmt + i, "__get_sockaddr(")) &&
- (!c || r < c)) {
- dereference_flags &= ~(1ULL << arg);
}
- next_arg:
- i--;
+ start_arg = i;
arg++;
+ /* Balance out the i++ in the for loop */
+ i--;
}
}
+ if (dereference_flags & (1ULL << arg)) {
+ if (string_flags & (1ULL << arg)) {
+ if (process_string(fmt + start_arg, i - start_arg, call))
+ dereference_flags &= ~(1ULL << arg);
+ } else if (process_pointer(fmt + start_arg, i - start_arg, call))
+ dereference_flags &= ~(1ULL << arg);
+ }
+
/*
* If you triggered the below warning, the trace event reported
* uses an unsafe dereference pointer %p*. As the data stored
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 0148be0814af..5c2b5f93cb66 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2851,7 +2851,8 @@ void vfree(const void *addr)
struct page *page = vm->pages[i];
BUG_ON(!page);
- mod_memcg_page_state(page, MEMCG_VMALLOC, -1);
+ if (!(vm->flags & VM_MAP_PUT_PAGES))
+ mod_memcg_page_state(page, MEMCG_VMALLOC, -1);
/*
* High-order allocs for huge vmallocs are split, so
* can be freed as an array of order-0 allocations
@@ -2859,7 +2860,8 @@ void vfree(const void *addr)
__free_page(page);
cond_resched();
}
- atomic_long_sub(vm->nr_pages, &nr_vmalloc_pages);
+ if (!(vm->flags & VM_MAP_PUT_PAGES))
+ atomic_long_sub(vm->nr_pages, &nr_vmalloc_pages);
kvfree(vm->pages);
kfree(vm);
}
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index bfae7066936b..db794fe1300e 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -611,6 +611,8 @@ init_list_set(struct net *net, struct ip_set *set, u32 size)
return true;
}
+static struct lock_class_key list_set_lockdep_key;
+
static int
list_set_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
u32 flags)
@@ -627,6 +629,7 @@ list_set_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
if (size < IP_SET_LIST_MIN_SIZE)
size = IP_SET_LIST_MIN_SIZE;
+ lockdep_set_class(&set->lock, &list_set_lockdep_key);
set->variant = &set_variant;
set->dsize = ip_set_elem_len(set, tb, sizeof(struct set_elem),
__alignof__(struct set_elem));
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 9065da3cdd12..8182833a3582 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1494,8 +1494,8 @@ int __init ip_vs_conn_init(void)
max_avail -= 2; /* ~4 in hash row */
max_avail -= 1; /* IPVS up to 1/2 of mem */
max_avail -= order_base_2(sizeof(struct ip_vs_conn));
- max = clamp(max, min, max_avail);
- ip_vs_conn_tab_bits = clamp_val(ip_vs_conn_tab_bits, min, max);
+ max = clamp(max_avail, min, max);
+ ip_vs_conn_tab_bits = clamp(ip_vs_conn_tab_bits, min, max);
ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1;
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 30955dd45779..a65fad45d556 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1542,7 +1542,6 @@ static unsigned int cake_drop(struct Qdisc *sch, struct sk_buff **to_free)
b->backlogs[idx] -= len;
b->tin_backlog -= len;
sch->qstats.backlog -= len;
- qdisc_tree_reduce_backlog(sch, 1, len);
flow->dropped++;
b->tin_dropped++;
@@ -1553,6 +1552,7 @@ static unsigned int cake_drop(struct Qdisc *sch, struct sk_buff **to_free)
__qdisc_drop(skb, to_free);
sch->q.qlen--;
+ qdisc_tree_reduce_backlog(sch, 1, len);
cake_heapify(q, 0);
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 19c851125901..a91959142208 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -123,10 +123,10 @@ static void choke_drop_by_idx(struct Qdisc *sch, unsigned int idx,
if (idx == q->tail)
choke_zap_tail_holes(q);
+ --sch->q.qlen;
qdisc_qstats_backlog_dec(sch, skb);
qdisc_tree_reduce_backlog(sch, 1, qdisc_pkt_len(skb));
qdisc_drop(skb, sch, to_free);
- --sch->q.qlen;
}
struct choke_skb_cb {
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 77c6c0dff069..0acf07538840 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -2039,6 +2039,8 @@ static int smc_listen_prfx_check(struct smc_sock *new_smc,
if (pclc->hdr.typev1 == SMC_TYPE_N)
return 0;
pclc_prfx = smc_clc_proposal_get_prefix(pclc);
+ if (!pclc_prfx)
+ return -EPROTO;
if (smc_clc_prfx_match(newclcsock, pclc_prfx))
return SMC_CLC_DECL_DIFFPREFIX;
@@ -2152,6 +2154,8 @@ static void smc_find_ism_v2_device_serv(struct smc_sock *new_smc,
pclc_smcd = smc_get_clc_msg_smcd(pclc);
smc_v2_ext = smc_get_clc_v2_ext(pclc);
smcd_v2_ext = smc_get_clc_smcd_v2_ext(smc_v2_ext);
+ if (!pclc_smcd || !smc_v2_ext || !smcd_v2_ext)
+ goto not_found;
mutex_lock(&smcd_dev_list.mutex);
if (pclc_smcd->ism.chid) {
@@ -2228,7 +2232,9 @@ static void smc_find_ism_v1_device_serv(struct smc_sock *new_smc,
int rc = 0;
/* check if ISM V1 is available */
- if (!(ini->smcd_version & SMC_V1) || !smcd_indicated(ini->smc_type_v1))
+ if (!(ini->smcd_version & SMC_V1) ||
+ !smcd_indicated(ini->smc_type_v1) ||
+ !pclc_smcd)
goto not_found;
ini->is_smcd = true; /* prepare ISM check */
ini->ism_peer_gid[0].gid = ntohll(pclc_smcd->ism.gid);
@@ -2279,7 +2285,8 @@ static void smc_find_rdma_v2_device_serv(struct smc_sock *new_smc,
goto not_found;
smc_v2_ext = smc_get_clc_v2_ext(pclc);
- if (!smc_clc_match_eid(ini->negotiated_eid, smc_v2_ext, NULL, NULL))
+ if (!smc_v2_ext ||
+ !smc_clc_match_eid(ini->negotiated_eid, smc_v2_ext, NULL, NULL))
goto not_found;
/* prepare RDMA check */
@@ -2888,6 +2895,13 @@ static __poll_t smc_poll(struct file *file, struct socket *sock,
} else {
sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk);
set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+
+ if (sk->sk_state != SMC_INIT) {
+ /* Race breaker the same way as tcp_poll(). */
+ smp_mb__after_atomic();
+ if (atomic_read(&smc->conn.sndbuf_space))
+ mask |= EPOLLOUT | EPOLLWRNORM;
+ }
}
if (atomic_read(&smc->conn.bytes_to_rcv))
mask |= EPOLLIN | EPOLLRDNORM;
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 0084960a203d..dbce904c03cf 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -352,8 +352,11 @@ static bool smc_clc_msg_prop_valid(struct smc_clc_msg_proposal *pclc)
struct smc_clc_msg_hdr *hdr = &pclc->hdr;
struct smc_clc_v2_extension *v2_ext;
- v2_ext = smc_get_clc_v2_ext(pclc);
pclc_prfx = smc_clc_proposal_get_prefix(pclc);
+ if (!pclc_prfx ||
+ pclc_prfx->ipv6_prefixes_cnt > SMC_CLC_MAX_V6_PREFIX)
+ return false;
+
if (hdr->version == SMC_V1) {
if (hdr->typev1 == SMC_TYPE_N)
return false;
@@ -365,6 +368,13 @@ static bool smc_clc_msg_prop_valid(struct smc_clc_msg_proposal *pclc)
sizeof(struct smc_clc_msg_trail))
return false;
} else {
+ v2_ext = smc_get_clc_v2_ext(pclc);
+ if ((hdr->typev2 != SMC_TYPE_N &&
+ (!v2_ext || v2_ext->hdr.eid_cnt > SMC_CLC_MAX_UEID)) ||
+ (smcd_indicated(hdr->typev2) &&
+ v2_ext->hdr.ism_gid_cnt > SMCD_CLC_MAX_V2_GID_ENTRIES))
+ return false;
+
if (ntohs(hdr->length) !=
sizeof(*pclc) +
sizeof(struct smc_clc_msg_smcd) +
@@ -763,6 +773,11 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
SMC_CLC_RECV_BUF_LEN : datlen;
iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, recvlen);
len = sock_recvmsg(smc->clcsock, &msg, krflags);
+ if (len < recvlen) {
+ smc->sk.sk_err = EPROTO;
+ reason_code = -EPROTO;
+ goto out;
+ }
datlen -= len;
}
if (clcm->type == SMC_CLC_DECLINE) {
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index c8d6282ec9c0..6e24d44de4a7 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -320,8 +320,12 @@ struct smc_clc_msg_decline_v2 { /* clc decline message */
static inline struct smc_clc_msg_proposal_prefix *
smc_clc_proposal_get_prefix(struct smc_clc_msg_proposal *pclc)
{
+ u16 offset = ntohs(pclc->iparea_offset);
+
+ if (offset > sizeof(struct smc_clc_msg_smcd))
+ return NULL;
return (struct smc_clc_msg_proposal_prefix *)
- ((u8 *)pclc + sizeof(*pclc) + ntohs(pclc->iparea_offset));
+ ((u8 *)pclc + sizeof(*pclc) + offset);
}
static inline bool smcr_indicated(int smc_type)
@@ -360,8 +364,14 @@ static inline struct smc_clc_v2_extension *
smc_get_clc_v2_ext(struct smc_clc_msg_proposal *prop)
{
struct smc_clc_msg_smcd *prop_smcd = smc_get_clc_msg_smcd(prop);
+ u16 max_offset;
- if (!prop_smcd || !ntohs(prop_smcd->v2_ext_offset))
+ max_offset = offsetof(struct smc_clc_msg_proposal_area, pclc_v2_ext) -
+ offsetof(struct smc_clc_msg_proposal_area, pclc_smcd) -
+ offsetofend(struct smc_clc_msg_smcd, v2_ext_offset);
+
+ if (!prop_smcd || !ntohs(prop_smcd->v2_ext_offset) ||
+ ntohs(prop_smcd->v2_ext_offset) > max_offset)
return NULL;
return (struct smc_clc_v2_extension *)
@@ -374,9 +384,15 @@ smc_get_clc_v2_ext(struct smc_clc_msg_proposal *prop)
static inline struct smc_clc_smcd_v2_extension *
smc_get_clc_smcd_v2_ext(struct smc_clc_v2_extension *prop_v2ext)
{
+ u16 max_offset = offsetof(struct smc_clc_msg_proposal_area, pclc_smcd_v2_ext) -
+ offsetof(struct smc_clc_msg_proposal_area, pclc_v2_ext) -
+ offsetof(struct smc_clc_v2_extension, hdr) -
+ offsetofend(struct smc_clnt_opts_area_hdr, smcd_v2_ext_offset);
+
if (!prop_v2ext)
return NULL;
- if (!ntohs(prop_v2ext->hdr.smcd_v2_ext_offset))
+ if (!ntohs(prop_v2ext->hdr.smcd_v2_ext_offset) ||
+ ntohs(prop_v2ext->hdr.smcd_v2_ext_offset) > max_offset)
return NULL;
return (struct smc_clc_smcd_v2_extension *)
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 3d5c542cd231..3c626c014d1d 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1767,7 +1767,9 @@ void smcr_link_down_cond_sched(struct smc_link *lnk)
{
if (smc_link_downing(&lnk->state)) {
trace_smcr_link_down(lnk, __builtin_return_address(0));
- schedule_work(&lnk->link_down_wrk);
+ smcr_link_hold(lnk); /* smcr_link_put in link_down_wrk */
+ if (!schedule_work(&lnk->link_down_wrk))
+ smcr_link_put(lnk);
}
}
@@ -1799,11 +1801,14 @@ static void smc_link_down_work(struct work_struct *work)
struct smc_link_group *lgr = link->lgr;
if (list_empty(&lgr->list))
- return;
+ goto out;
wake_up_all(&lgr->llc_msg_waiter);
down_write(&lgr->llc_conf_mutex);
smcr_link_down(link);
up_write(&lgr->llc_conf_mutex);
+
+out:
+ smcr_link_put(link); /* smcr_link_hold by schedulers of link_down_work */
}
static int smc_vlan_by_tcpsk_walk(struct net_device *lower_dev,
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 5980fce81797..db1dcb9d7046 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -286,6 +286,15 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
+ {
+ .callback = sof_sdw_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+ DMI_MATCH(DMI_PRODUCT_SKU, "0000000000070000"),
+ },
+ .driver_data = (void *)(SOF_SDW_TGL_HDMI |
+ RT711_JD2_100K),
+ },
{
.callback = sof_sdw_quirk_cb,
.matches = {
@@ -416,6 +425,15 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = {
/* No Jack */
.driver_data = (void *)SOF_SDW_TGL_HDMI,
},
+ {
+ .callback = sof_sdw_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B8C"),
+ },
+ .driver_data = (void *)(SOF_SDW_TGL_HDMI |
+ RT711_JD2),
+ },
{
.callback = sof_sdw_quirk_cb,
.matches = {
diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh
index 440a91b35823..2f8baed2b8f7 100755
--- a/tools/hv/hv_set_ifconfig.sh
+++ b/tools/hv/hv_set_ifconfig.sh
@@ -81,7 +81,7 @@ echo "ONBOOT=yes" >> $1
cp $1 /etc/sysconfig/network-scripts/
-chmod 600 $2
+umask 0177
interface=$(echo $2 | awk -F - '{ print $2 }')
filename="${2##*/}"
diff --git a/tools/testing/selftests/bpf/sdt.h b/tools/testing/selftests/bpf/sdt.h
index ca0162b4dc57..1fcfa5160231 100644
--- a/tools/testing/selftests/bpf/sdt.h
+++ b/tools/testing/selftests/bpf/sdt.h
@@ -102,6 +102,8 @@
# define STAP_SDT_ARG_CONSTRAINT nZr
# elif defined __arm__
# define STAP_SDT_ARG_CONSTRAINT g
+# elif defined __loongarch__
+# define STAP_SDT_ARG_CONSTRAINT nmr
# else
# define STAP_SDT_ARG_CONSTRAINT nor
# endif
diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c
index 3df008677239..e92b60eecb7d 100644
--- a/tools/testing/selftests/memfd/memfd_test.c
+++ b/tools/testing/selftests/memfd/memfd_test.c
@@ -9,6 +9,7 @@
#include <fcntl.h>
#include <linux/memfd.h>
#include <sched.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
@@ -1567,6 +1568,11 @@ static void test_share_fork(char *banner, char *b_suffix)
close(fd);
}
+static bool pid_ns_supported(void)
+{
+ return access("/proc/self/ns/pid", F_OK) == 0;
+}
+
int main(int argc, char **argv)
{
pid_t pid;
@@ -1601,8 +1607,12 @@ int main(int argc, char **argv)
test_seal_grow();
test_seal_resize();
- test_sysctl_simple();
- test_sysctl_nested();
+ if (pid_ns_supported()) {
+ test_sysctl_simple();
+ test_sysctl_nested();
+ } else {
+ printf("PID namespaces are not supported; skipping sysctl tests\n");
+ }
test_share_dup("SHARE-DUP", "");
test_share_mmap("SHARE-MMAP", "");
diff --git a/tools/testing/selftests/net/openvswitch/openvswitch.sh b/tools/testing/selftests/net/openvswitch/openvswitch.sh
index bab7436c6834..a0f4764ad0af 100755
--- a/tools/testing/selftests/net/openvswitch/openvswitch.sh
+++ b/tools/testing/selftests/net/openvswitch/openvswitch.sh
@@ -128,8 +128,10 @@ ovs_add_netns_and_veths () {
ovs_add_if "$1" "$2" "$4" -u || return 1
fi
- [ $TRACING -eq 1 ] && ovs_netns_spawn_daemon "$1" "$ns" \
- tcpdump -i any -s 65535
+ if [ $TRACING -eq 1 ]; then
+ ovs_netns_spawn_daemon "$1" "$3" tcpdump -l -i any -s 6553
+ ovs_wait grep -q "listening on any" ${ovs_dir}/stderr
+ fi
return 0
}
prev parent reply other threads:[~2024-12-27 13:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-27 13:45 Linux 6.6.68 Greg Kroah-Hartman
2024-12-27 13:45 ` Greg Kroah-Hartman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2024122713-sweat-strum-caba@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=akpm@linux-foundation.org \
--cc=jslaby@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=lwn@lwn.net \
--cc=stable@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.