From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.4 commit in: /
Date: Fri, 20 Mar 2020 11:53:55 +0000 (UTC) [thread overview]
Message-ID: <1584705221.05befda4cc109729a886533d496321d6f2a5e6b6.mpagano@gentoo> (raw)
commit: 05befda4cc109729a886533d496321d6f2a5e6b6
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Mar 20 11:53:41 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Mar 20 11:53:41 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=05befda4
Remove wrong patch
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
1216_linux-4.9.217.patch | 3105 ----------------------------------------------
1 file changed, 3105 deletions(-)
diff --git a/1216_linux-4.9.217.patch b/1216_linux-4.9.217.patch
deleted file mode 100644
index 7989681..0000000
--- a/1216_linux-4.9.217.patch
+++ /dev/null
@@ -1,3105 +0,0 @@
-diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
-index bdd025ceb763..85ed3450099a 100644
---- a/Documentation/filesystems/porting
-+++ b/Documentation/filesystems/porting
-@@ -596,3 +596,10 @@ in your dentry operations instead.
- [mandatory]
- ->rename() has an added flags argument. Any flags not handled by the
- filesystem should result in EINVAL being returned.
-+--
-+[mandatory]
-+
-+ [should've been added in 2016] stale comment in finish_open()
-+ nonwithstanding, failure exits in ->atomic_open() instances should
-+ *NOT* fput() the file, no matter what. Everything is handled by the
-+ caller.
-diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
-index b2d2f4539a3f..e05d65d6fcb6 100644
---- a/Documentation/kernel-parameters.txt
-+++ b/Documentation/kernel-parameters.txt
-@@ -335,6 +335,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
- dynamic table installation which will install SSDT
- tables to /sys/firmware/acpi/tables/dynamic.
-
-+ acpi_no_watchdog [HW,ACPI,WDT]
-+ Ignore the ACPI-based watchdog interface (WDAT) and let
-+ a native driver control the watchdog device instead.
-+
- acpi_rsdp= [ACPI,EFI,KEXEC]
- Pass the RSDP address to the kernel, mostly used
- on machines running EFI runtime service to boot the
-diff --git a/Makefile b/Makefile
-index f0290097784a..96b230200cbe 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,6 +1,6 @@
- VERSION = 4
- PATCHLEVEL = 9
--SUBLEVEL = 216
-+SUBLEVEL = 217
- EXTRAVERSION =
- NAME = Roaring Lionus
-
-diff --git a/arch/arc/include/asm/linkage.h b/arch/arc/include/asm/linkage.h
-index b29f1a9fd6f7..07c8e1a6c56e 100644
---- a/arch/arc/include/asm/linkage.h
-+++ b/arch/arc/include/asm/linkage.h
-@@ -14,6 +14,8 @@
- #ifdef __ASSEMBLY__
-
- #define ASM_NL ` /* use '`' to mark new line in macro */
-+#define __ALIGN .align 4
-+#define __ALIGN_STR __stringify(__ALIGN)
-
- /* annotation for data we want in DCCM - if enabled in .config */
- .macro ARCFP_DATA nm
-diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
-index 890439737374..bf6e45dec017 100644
---- a/arch/arm/kernel/vdso.c
-+++ b/arch/arm/kernel/vdso.c
-@@ -85,6 +85,8 @@ static bool __init cntvct_functional(void)
- * this.
- */
- np = of_find_compatible_node(NULL, NULL, "arm,armv7-timer");
-+ if (!np)
-+ np = of_find_compatible_node(NULL, NULL, "arm,armv8-timer");
- if (!np)
- goto out_put;
-
-diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
-index 6709a8d33963..f1e34f16cfab 100644
---- a/arch/arm/lib/copy_from_user.S
-+++ b/arch/arm/lib/copy_from_user.S
-@@ -100,7 +100,7 @@ ENTRY(arm_copy_from_user)
-
- ENDPROC(arm_copy_from_user)
-
-- .pushsection .fixup,"ax"
-+ .pushsection .text.fixup,"ax"
- .align 0
- copy_abort_preamble
- ldmfd sp!, {r1, r2, r3}
-diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
-index c16c99bc2a10..6bfb9a68134c 100644
---- a/arch/x86/events/amd/uncore.c
-+++ b/arch/x86/events/amd/uncore.c
-@@ -185,20 +185,18 @@ static int amd_uncore_event_init(struct perf_event *event)
-
- /*
- * NB and Last level cache counters (MSRs) are shared across all cores
-- * that share the same NB / Last level cache. Interrupts can be directed
-- * to a single target core, however, event counts generated by processes
-- * running on other cores cannot be masked out. So we do not support
-- * sampling and per-thread events.
-+ * that share the same NB / Last level cache. On family 16h and below,
-+ * Interrupts can be directed to a single target core, however, event
-+ * counts generated by processes running on other cores cannot be masked
-+ * out. So we do not support sampling and per-thread events via
-+ * CAP_NO_INTERRUPT, and we do not enable counter overflow interrupts:
- */
-- if (is_sampling_event(event) || event->attach_state & PERF_ATTACH_TASK)
-- return -EINVAL;
-
- /* NB and Last level cache counters do not have usr/os/guest/host bits */
- if (event->attr.exclude_user || event->attr.exclude_kernel ||
- event->attr.exclude_host || event->attr.exclude_guest)
- return -EINVAL;
-
-- /* and we do not enable counter overflow interrupts */
- hwc->config = event->attr.config & AMD64_RAW_EVENT_MASK_NB;
- hwc->idx = -1;
-
-@@ -275,6 +273,7 @@ static struct pmu amd_nb_pmu = {
- .start = amd_uncore_start,
- .stop = amd_uncore_stop,
- .read = amd_uncore_read,
-+ .capabilities = PERF_PMU_CAP_NO_INTERRUPT,
- };
-
- static struct pmu amd_llc_pmu = {
-@@ -287,6 +286,7 @@ static struct pmu amd_llc_pmu = {
- .start = amd_uncore_start,
- .stop = amd_uncore_stop,
- .read = amd_uncore_read,
-+ .capabilities = PERF_PMU_CAP_NO_INTERRUPT,
- };
-
- static struct amd_uncore *amd_uncore_alloc(unsigned int cpu)
-diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
-index e9c7090858d6..da3cd734dee1 100644
---- a/arch/x86/kvm/emulate.c
-+++ b/arch/x86/kvm/emulate.c
-@@ -5022,6 +5022,7 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len)
- ctxt->fetch.ptr = ctxt->fetch.data;
- ctxt->fetch.end = ctxt->fetch.data + insn_len;
- ctxt->opcode_len = 1;
-+ ctxt->intercept = x86_intercept_none;
- if (insn_len > 0)
- memcpy(ctxt->fetch.data, insn, insn_len);
- else {
-diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
-index 7ef0a0e105e1..4296f4932294 100644
---- a/drivers/acpi/acpi_watchdog.c
-+++ b/drivers/acpi/acpi_watchdog.c
-@@ -58,12 +58,14 @@ static bool acpi_watchdog_uses_rtc(const struct acpi_table_wdat *wdat)
- }
- #endif
-
-+static bool acpi_no_watchdog;
-+
- static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void)
- {
- const struct acpi_table_wdat *wdat = NULL;
- acpi_status status;
-
-- if (acpi_disabled)
-+ if (acpi_disabled || acpi_no_watchdog)
- return NULL;
-
- status = acpi_get_table(ACPI_SIG_WDAT, 0,
-@@ -91,6 +93,14 @@ bool acpi_has_watchdog(void)
- }
- EXPORT_SYMBOL_GPL(acpi_has_watchdog);
-
-+/* ACPI watchdog can be disabled on boot command line */
-+static int __init disable_acpi_watchdog(char *str)
-+{
-+ acpi_no_watchdog = true;
-+ return 1;
-+}
-+__setup("acpi_no_watchdog", disable_acpi_watchdog);
-+
- void __init acpi_watchdog_init(void)
- {
- const struct acpi_wdat_entry *entries;
-diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
-index 44ef1d66caa6..f287eec36b28 100644
---- a/drivers/block/virtio_blk.c
-+++ b/drivers/block/virtio_blk.c
-@@ -215,10 +215,12 @@ static int virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
- err = __virtblk_add_req(vblk->vqs[qid].vq, vbr, vbr->sg, num);
- if (err) {
- virtqueue_kick(vblk->vqs[qid].vq);
-- blk_mq_stop_hw_queue(hctx);
-+ /* Don't stop the queue if -ENOMEM: we may have failed to
-+ * bounce the buffer due to global resource outage.
-+ */
-+ if (err == -ENOSPC)
-+ blk_mq_stop_hw_queue(hctx);
- spin_unlock_irqrestore(&vblk->vqs[qid].lock, flags);
-- /* Out of mem doesn't actually happen, since we fall back
-- * to direct descriptors */
- if (err == -ENOMEM || err == -ENOSPC)
- return BLK_MQ_RQ_QUEUE_BUSY;
- return BLK_MQ_RQ_QUEUE_ERROR;
-diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
-index 3e626fd9bd4e..1c65f5ac4368 100644
---- a/drivers/firmware/efi/efivars.c
-+++ b/drivers/firmware/efi/efivars.c
-@@ -139,13 +139,16 @@ static ssize_t
- efivar_attr_read(struct efivar_entry *entry, char *buf)
- {
- struct efi_variable *var = &entry->var;
-+ unsigned long size = sizeof(var->Data);
- char *str = buf;
-+ int ret;
-
- if (!entry || !buf)
- return -EINVAL;
-
-- var->DataSize = 1024;
-- if (efivar_entry_get(entry, &var->Attributes, &var->DataSize, var->Data))
-+ ret = efivar_entry_get(entry, &var->Attributes, &size, var->Data);
-+ var->DataSize = size;
-+ if (ret)
- return -EIO;
-
- if (var->Attributes & EFI_VARIABLE_NON_VOLATILE)
-@@ -172,13 +175,16 @@ static ssize_t
- efivar_size_read(struct efivar_entry *entry, char *buf)
- {
- struct efi_variable *var = &entry->var;
-+ unsigned long size = sizeof(var->Data);
- char *str = buf;
-+ int ret;
-
- if (!entry || !buf)
- return -EINVAL;
-
-- var->DataSize = 1024;
-- if (efivar_entry_get(entry, &var->Attributes, &var->DataSize, var->Data))
-+ ret = efivar_entry_get(entry, &var->Attributes, &size, var->Data);
-+ var->DataSize = size;
-+ if (ret)
- return -EIO;
-
- str += sprintf(str, "0x%lx\n", var->DataSize);
-@@ -189,12 +195,15 @@ static ssize_t
- efivar_data_read(struct efivar_entry *entry, char *buf)
- {
- struct efi_variable *var = &entry->var;
-+ unsigned long size = sizeof(var->Data);
-+ int ret;
-
- if (!entry || !buf)
- return -EINVAL;
-
-- var->DataSize = 1024;
-- if (efivar_entry_get(entry, &var->Attributes, &var->DataSize, var->Data))
-+ ret = efivar_entry_get(entry, &var->Attributes, &size, var->Data);
-+ var->DataSize = size;
-+ if (ret)
- return -EIO;
-
- memcpy(buf, var->Data, var->DataSize);
-@@ -263,6 +272,9 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)
- u8 *data;
- int err;
-
-+ if (!entry || !buf)
-+ return -EINVAL;
-+
- if (is_compat()) {
- struct compat_efi_variable *compat;
-
-@@ -314,14 +326,16 @@ efivar_show_raw(struct efivar_entry *entry, char *buf)
- {
- struct efi_variable *var = &entry->var;
- struct compat_efi_variable *compat;
-+ unsigned long datasize = sizeof(var->Data);
- size_t size;
-+ int ret;
-
- if (!entry || !buf)
- return 0;
-
-- var->DataSize = 1024;
-- if (efivar_entry_get(entry, &entry->var.Attributes,
-- &entry->var.DataSize, entry->var.Data))
-+ ret = efivar_entry_get(entry, &var->Attributes, &datasize, var->Data);
-+ var->DataSize = datasize;
-+ if (ret)
- return -EIO;
-
- if (is_compat()) {
-diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
-index ac8885562919..0c2ed1254585 100644
---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
-+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
-@@ -363,8 +363,7 @@ bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *
- router.ddc_valid = false;
- router.cd_valid = false;
- for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
-- uint8_t grph_obj_type=
-- grph_obj_type =
-+ uint8_t grph_obj_type =
- (le16_to_cpu(path->usGraphicObjIds[j]) &
- OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
-
-diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
-index 31c087e1746d..197eb75d10ef 100644
---- a/drivers/hid/hid-apple.c
-+++ b/drivers/hid/hid-apple.c
-@@ -341,7 +341,8 @@ static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
- unsigned long **bit, int *max)
- {
- if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
-- usage->hid == (HID_UP_MSVENDOR | 0x0003)) {
-+ usage->hid == (HID_UP_MSVENDOR | 0x0003) ||
-+ usage->hid == (HID_UP_HPVENDOR2 | 0x0003)) {
- /* The fn key on Apple USB keyboards */
- set_bit(EV_REP, hi->input->evbit);
- hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
-diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
-index 10af8585c820..95052373a828 100644
---- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
-+++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
-@@ -341,6 +341,14 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
- },
- .driver_data = (void *)&sipodev_desc
- },
-+ {
-+ .ident = "Trekstor SURFBOOK E11B",
-+ .matches = {
-+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
-+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SURFBOOK E11B"),
-+ },
-+ .driver_data = (void *)&sipodev_desc
-+ },
- {
- .ident = "Direkt-Tek DTLAPY116-2",
- .matches = {
-diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
-index d51734e0c350..977070ce4fe9 100644
---- a/drivers/iommu/dmar.c
-+++ b/drivers/iommu/dmar.c
-@@ -39,6 +39,7 @@
- #include <linux/dmi.h>
- #include <linux/slab.h>
- #include <linux/iommu.h>
-+#include <linux/limits.h>
- #include <asm/irq_remapping.h>
- #include <asm/iommu_table.h>
-
-@@ -138,6 +139,13 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event)
-
- BUG_ON(dev->is_virtfn);
-
-+ /*
-+ * Ignore devices that have a domain number higher than what can
-+ * be looked up in DMAR, e.g. VMD subdevices with domain 0x10000
-+ */
-+ if (pci_domain_nr(dev->bus) > U16_MAX)
-+ return NULL;
-+
- /* Only generate path[] for device addition event */
- if (event == BUS_NOTIFY_ADD_DEVICE)
- for (tmp = dev; tmp; tmp = tmp->bus->self)
-@@ -450,12 +458,13 @@ static int __init dmar_parse_one_andd(struct acpi_dmar_header *header,
-
- /* Check for NUL termination within the designated length */
- if (strnlen(andd->device_name, header->length - 8) == header->length - 8) {
-- WARN_TAINT(1, TAINT_FIRMWARE_WORKAROUND,
-+ pr_warn(FW_BUG
- "Your BIOS is broken; ANDD object name is not NUL-terminated\n"
- "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
- dmi_get_system_info(DMI_BIOS_VENDOR),
- dmi_get_system_info(DMI_BIOS_VERSION),
- dmi_get_system_info(DMI_PRODUCT_VERSION));
-+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
- return -EINVAL;
- }
- pr_info("ANDD device: %x name: %s\n", andd->device_number,
-@@ -481,14 +490,14 @@ static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg)
- return 0;
- }
- }
-- WARN_TAINT(
-- 1, TAINT_FIRMWARE_WORKAROUND,
-+ pr_warn(FW_BUG
- "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
- "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
-- drhd->reg_base_addr,
-+ rhsa->base_address,
- dmi_get_system_info(DMI_BIOS_VENDOR),
- dmi_get_system_info(DMI_BIOS_VERSION),
- dmi_get_system_info(DMI_PRODUCT_VERSION));
-+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
-
- return 0;
- }
-@@ -834,14 +843,14 @@ int __init dmar_table_init(void)
-
- static void warn_invalid_dmar(u64 addr, const char *message)
- {
-- WARN_TAINT_ONCE(
-- 1, TAINT_FIRMWARE_WORKAROUND,
-+ pr_warn_once(FW_BUG
- "Your BIOS is broken; DMAR reported at address %llx%s!\n"
- "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
- addr, message,
- dmi_get_system_info(DMI_BIOS_VENDOR),
- dmi_get_system_info(DMI_BIOS_VERSION),
- dmi_get_system_info(DMI_PRODUCT_VERSION));
-+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
- }
-
- static int __ref
-diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
-index 5c6e0a9fd2f3..593a4bfcba42 100644
---- a/drivers/iommu/intel-iommu.c
-+++ b/drivers/iommu/intel-iommu.c
-@@ -4085,10 +4085,11 @@ static void quirk_ioat_snb_local_iommu(struct pci_dev *pdev)
-
- /* we know that the this iommu should be at offset 0xa000 from vtbar */
- drhd = dmar_find_matched_drhd_unit(pdev);
-- if (WARN_TAINT_ONCE(!drhd || drhd->reg_base_addr - vtbar != 0xa000,
-- TAINT_FIRMWARE_WORKAROUND,
-- "BIOS assigned incorrect VT-d unit for Intel(R) QuickData Technology device\n"))
-+ if (!drhd || drhd->reg_base_addr - vtbar != 0xa000) {
-+ pr_warn_once(FW_BUG "BIOS assigned incorrect VT-d unit for Intel(R) QuickData Technology device\n");
-+ add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
- pdev->dev.archdata.iommu = DUMMY_DEVICE_DOMAIN_INFO;
-+ }
- }
- DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_SNB, quirk_ioat_snb_local_iommu);
-
-@@ -5192,8 +5193,10 @@ static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
- u64 phys = 0;
-
- pte = pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT, &level);
-- if (pte)
-- phys = dma_pte_addr(pte);
-+ if (pte && dma_pte_present(pte))
-+ phys = dma_pte_addr(pte) +
-+ (iova & (BIT_MASK(level_to_offset_bits(level) +
-+ VTD_PAGE_SHIFT) - 1));
-
- return phys;
- }
-diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
-index 9834d28d52e8..1f8fbd7776fb 100644
---- a/drivers/net/bonding/bond_alb.c
-+++ b/drivers/net/bonding/bond_alb.c
-@@ -71,11 +71,6 @@ struct arp_pkt {
- };
- #pragma pack()
-
--static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
--{
-- return (struct arp_pkt *)skb_network_header(skb);
--}
--
- /* Forward declaration */
- static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
- bool strict_match);
-@@ -574,10 +569,11 @@ static void rlb_req_update_subnet_clients(struct bonding *bond, __be32 src_ip)
- spin_unlock(&bond->mode_lock);
- }
-
--static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bond)
-+static struct slave *rlb_choose_channel(struct sk_buff *skb,
-+ struct bonding *bond,
-+ const struct arp_pkt *arp)
- {
- struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
-- struct arp_pkt *arp = arp_pkt(skb);
- struct slave *assigned_slave, *curr_active_slave;
- struct rlb_client_info *client_info;
- u32 hash_index = 0;
-@@ -674,8 +670,12 @@ static struct slave *rlb_choose_channel(struct sk_buff *skb, struct bonding *bon
- */
- static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
- {
-- struct arp_pkt *arp = arp_pkt(skb);
- struct slave *tx_slave = NULL;
-+ struct arp_pkt *arp;
-+
-+ if (!pskb_network_may_pull(skb, sizeof(*arp)))
-+ return NULL;
-+ arp = (struct arp_pkt *)skb_network_header(skb);
-
- /* Don't modify or load balance ARPs that do not originate locally
- * (e.g.,arrive via a bridge).
-@@ -685,7 +685,7 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
-
- if (arp->op_code == htons(ARPOP_REPLY)) {
- /* the arp must be sent on the selected rx channel */
-- tx_slave = rlb_choose_channel(skb, bond);
-+ tx_slave = rlb_choose_channel(skb, bond, arp);
- if (tx_slave)
- ether_addr_copy(arp->mac_src, tx_slave->dev->dev_addr);
- netdev_dbg(bond->dev, "Server sent ARP Reply packet\n");
-@@ -695,7 +695,7 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
- * When the arp reply is received the entry will be updated
- * with the correct unicast address of the client.
- */
-- rlb_choose_channel(skb, bond);
-+ rlb_choose_channel(skb, bond, arp);
-
- /* The ARP reply packets must be delayed so that
- * they can cancel out the influence of the ARP request.
-diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
-index fbe3c2c114f9..736e550163e1 100644
---- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
-+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
-@@ -6439,13 +6439,13 @@ static int bnxt_change_mtu(struct net_device *dev, int new_mtu)
- return -EINVAL;
-
- if (netif_running(dev))
-- bnxt_close_nic(bp, false, false);
-+ bnxt_close_nic(bp, true, false);
-
- dev->mtu = new_mtu;
- bnxt_set_ring_params(bp);
-
- if (netif_running(dev))
-- return bnxt_open_nic(bp, false, false);
-+ return bnxt_open_nic(bp, true, false);
-
- return 0;
- }
-diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
-index 1b07c6216e2a..8df32398d343 100644
---- a/drivers/net/ethernet/freescale/fec_main.c
-+++ b/drivers/net/ethernet/freescale/fec_main.c
-@@ -2470,15 +2470,15 @@ fec_enet_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *ec)
- return -EINVAL;
- }
-
-- cycle = fec_enet_us_to_itr_clock(ndev, fep->rx_time_itr);
-+ cycle = fec_enet_us_to_itr_clock(ndev, ec->rx_coalesce_usecs);
- if (cycle > 0xFFFF) {
- pr_err("Rx coalesced usec exceed hardware limitation\n");
- return -EINVAL;
- }
-
-- cycle = fec_enet_us_to_itr_clock(ndev, fep->tx_time_itr);
-+ cycle = fec_enet_us_to_itr_clock(ndev, ec->tx_coalesce_usecs);
- if (cycle > 0xFFFF) {
-- pr_err("Rx coalesced usec exceed hardware limitation\n");
-+ pr_err("Tx coalesced usec exceed hardware limitation\n");
- return -EINVAL;
- }
-
-diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
-index d94e151cff12..d4747caf1e7c 100644
---- a/drivers/net/ethernet/micrel/ks8851_mll.c
-+++ b/drivers/net/ethernet/micrel/ks8851_mll.c
-@@ -831,14 +831,17 @@ static irqreturn_t ks_irq(int irq, void *pw)
- {
- struct net_device *netdev = pw;
- struct ks_net *ks = netdev_priv(netdev);
-+ unsigned long flags;
- u16 status;
-
-+ spin_lock_irqsave(&ks->statelock, flags);
- /*this should be the first in IRQ handler */
- ks_save_cmd_reg(ks);
-
- status = ks_rdreg16(ks, KS_ISR);
- if (unlikely(!status)) {
- ks_restore_cmd_reg(ks);
-+ spin_unlock_irqrestore(&ks->statelock, flags);
- return IRQ_NONE;
- }
-
-@@ -864,6 +867,7 @@ static irqreturn_t ks_irq(int irq, void *pw)
- ks->netdev->stats.rx_over_errors++;
- /* this should be the last in IRQ handler*/
- ks_restore_cmd_reg(ks);
-+ spin_unlock_irqrestore(&ks->statelock, flags);
- return IRQ_HANDLED;
- }
-
-@@ -933,6 +937,7 @@ static int ks_net_stop(struct net_device *netdev)
-
- /* shutdown RX/TX QMU */
- ks_disable_qmu(ks);
-+ ks_disable_int(ks);
-
- /* set powermode to soft power down to save power */
- ks_set_powermode(ks, PMECR_PM_SOFTDOWN);
-@@ -989,10 +994,9 @@ static netdev_tx_t ks_start_xmit(struct sk_buff *skb, struct net_device *netdev)
- {
- netdev_tx_t retv = NETDEV_TX_OK;
- struct ks_net *ks = netdev_priv(netdev);
-+ unsigned long flags;
-
-- disable_irq(netdev->irq);
-- ks_disable_int(ks);
-- spin_lock(&ks->statelock);
-+ spin_lock_irqsave(&ks->statelock, flags);
-
- /* Extra space are required:
- * 4 byte for alignment, 4 for status/length, 4 for CRC
-@@ -1006,9 +1010,7 @@ static netdev_tx_t ks_start_xmit(struct sk_buff *skb, struct net_device *netdev)
- dev_kfree_skb(skb);
- } else
- retv = NETDEV_TX_BUSY;
-- spin_unlock(&ks->statelock);
-- ks_enable_int(ks);
-- enable_irq(netdev->irq);
-+ spin_unlock_irqrestore(&ks->statelock, flags);
- return retv;
- }
-
-diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
-index c747ab652665..6c0982a39486 100644
---- a/drivers/net/ipvlan/ipvlan_core.c
-+++ b/drivers/net/ipvlan/ipvlan_core.c
-@@ -251,6 +251,7 @@ acct:
- } else {
- kfree_skb(skb);
- }
-+ cond_resched();
- }
- }
-
-@@ -443,19 +444,21 @@ static int ipvlan_process_outbound(struct sk_buff *skb)
- struct ethhdr *ethh = eth_hdr(skb);
- int ret = NET_XMIT_DROP;
-
-- /* In this mode we dont care about multicast and broadcast traffic */
-- if (is_multicast_ether_addr(ethh->h_dest)) {
-- pr_warn_ratelimited("Dropped {multi|broad}cast of type= [%x]\n",
-- ntohs(skb->protocol));
-- kfree_skb(skb);
-- goto out;
-- }
--
- /* The ipvlan is a pseudo-L2 device, so the packets that we receive
- * will have L2; which need to discarded and processed further
- * in the net-ns of the main-device.
- */
- if (skb_mac_header_was_set(skb)) {
-+ /* In this mode we dont care about
-+ * multicast and broadcast traffic */
-+ if (is_multicast_ether_addr(ethh->h_dest)) {
-+ pr_debug_ratelimited(
-+ "Dropped {multi|broad}cast of type=[%x]\n",
-+ ntohs(skb->protocol));
-+ kfree_skb(skb);
-+ goto out;
-+ }
-+
- skb_pull(skb, sizeof(*ethh));
- skb->mac_header = (typeof(skb->mac_header))~0U;
- skb_reset_network_header(skb);
-diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
-index 72fb55ca27f3..72f37e546ed2 100644
---- a/drivers/net/ipvlan/ipvlan_main.c
-+++ b/drivers/net/ipvlan/ipvlan_main.c
-@@ -217,7 +217,6 @@ static void ipvlan_uninit(struct net_device *dev)
- static int ipvlan_open(struct net_device *dev)
- {
- struct ipvl_dev *ipvlan = netdev_priv(dev);
-- struct net_device *phy_dev = ipvlan->phy_dev;
- struct ipvl_addr *addr;
-
- if (ipvlan->port->mode == IPVLAN_MODE_L3 ||
-@@ -229,7 +228,7 @@ static int ipvlan_open(struct net_device *dev)
- list_for_each_entry(addr, &ipvlan->addrs, anode)
- ipvlan_ht_addr_add(ipvlan, addr);
-
-- return dev_uc_add(phy_dev, phy_dev->dev_addr);
-+ return 0;
- }
-
- static int ipvlan_stop(struct net_device *dev)
-@@ -241,8 +240,6 @@ static int ipvlan_stop(struct net_device *dev)
- dev_uc_unsync(phy_dev, dev);
- dev_mc_unsync(phy_dev, dev);
-
-- dev_uc_del(phy_dev, phy_dev->dev_addr);
--
- list_for_each_entry(addr, &ipvlan->addrs, anode)
- ipvlan_ht_addr_del(addr);
-
-diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
-index a48ed0873cc7..8c64b06cb98c 100644
---- a/drivers/net/macsec.c
-+++ b/drivers/net/macsec.c
-@@ -2871,6 +2871,11 @@ static void macsec_dev_set_rx_mode(struct net_device *dev)
- dev_uc_sync(real_dev, dev);
- }
-
-+static sci_t dev_to_sci(struct net_device *dev, __be16 port)
-+{
-+ return make_sci(dev->dev_addr, port);
-+}
-+
- static int macsec_set_mac_address(struct net_device *dev, void *p)
- {
- struct macsec_dev *macsec = macsec_priv(dev);
-@@ -2892,6 +2897,7 @@ static int macsec_set_mac_address(struct net_device *dev, void *p)
-
- out:
- ether_addr_copy(dev->dev_addr, addr->sa_data);
-+ macsec->secy.sci = dev_to_sci(dev, MACSEC_PORT_ES);
- return 0;
- }
-
-@@ -2976,6 +2982,7 @@ static const struct device_type macsec_type = {
-
- static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = {
- [IFLA_MACSEC_SCI] = { .type = NLA_U64 },
-+ [IFLA_MACSEC_PORT] = { .type = NLA_U16 },
- [IFLA_MACSEC_ICV_LEN] = { .type = NLA_U8 },
- [IFLA_MACSEC_CIPHER_SUITE] = { .type = NLA_U64 },
- [IFLA_MACSEC_WINDOW] = { .type = NLA_U32 },
-@@ -3160,11 +3167,6 @@ static bool sci_exists(struct net_device *dev, sci_t sci)
- return false;
- }
-
--static sci_t dev_to_sci(struct net_device *dev, __be16 port)
--{
-- return make_sci(dev->dev_addr, port);
--}
--
- static int macsec_add_dev(struct net_device *dev, sci_t sci, u8 icv_len)
- {
- struct macsec_dev *macsec = macsec_priv(dev);
-diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
-index e2b3d3c4d4df..294881621430 100644
---- a/drivers/net/macvlan.c
-+++ b/drivers/net/macvlan.c
-@@ -309,6 +309,8 @@ static void macvlan_process_broadcast(struct work_struct *w)
- if (src)
- dev_put(src->dev);
- kfree_skb(skb);
-+
-+ cond_resched();
- }
- }
-
-diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
-index 487d0372a444..2f5587306022 100644
---- a/drivers/net/phy/phy_device.c
-+++ b/drivers/net/phy/phy_device.c
-@@ -80,7 +80,7 @@ static LIST_HEAD(phy_fixup_list);
- static DEFINE_MUTEX(phy_fixup_lock);
-
- #ifdef CONFIG_PM
--static bool mdio_bus_phy_may_suspend(struct phy_device *phydev, bool suspend)
-+static bool mdio_bus_phy_may_suspend(struct phy_device *phydev)
- {
- struct device_driver *drv = phydev->mdio.dev.driver;
- struct phy_driver *phydrv = to_phy_driver(drv);
-@@ -92,11 +92,10 @@ static bool mdio_bus_phy_may_suspend(struct phy_device *phydev, bool suspend)
- /* PHY not attached? May suspend if the PHY has not already been
- * suspended as part of a prior call to phy_disconnect() ->
- * phy_detach() -> phy_suspend() because the parent netdev might be the
-- * MDIO bus driver and clock gated at this point. Also may resume if
-- * PHY is not attached.
-+ * MDIO bus driver and clock gated at this point.
- */
- if (!netdev)
-- return suspend ? !phydev->suspended : phydev->suspended;
-+ goto out;
-
- /* Don't suspend PHY if the attached netdev parent may wakeup.
- * The parent may point to a PCI device, as in tg3 driver.
-@@ -111,7 +110,8 @@ static bool mdio_bus_phy_may_suspend(struct phy_device *phydev, bool suspend)
- if (device_may_wakeup(&netdev->dev))
- return false;
-
-- return true;
-+out:
-+ return !phydev->suspended;
- }
-
- static int mdio_bus_phy_suspend(struct device *dev)
-@@ -126,9 +126,11 @@ static int mdio_bus_phy_suspend(struct device *dev)
- if (phydev->attached_dev && phydev->adjust_link)
- phy_stop_machine(phydev);
-
-- if (!mdio_bus_phy_may_suspend(phydev, true))
-+ if (!mdio_bus_phy_may_suspend(phydev))
- return 0;
-
-+ phydev->suspended_by_mdio_bus = true;
-+
- return phy_suspend(phydev);
- }
-
-@@ -137,9 +139,11 @@ static int mdio_bus_phy_resume(struct device *dev)
- struct phy_device *phydev = to_phy_device(dev);
- int ret;
-
-- if (!mdio_bus_phy_may_suspend(phydev, false))
-+ if (!phydev->suspended_by_mdio_bus)
- goto no_resume;
-
-+ phydev->suspended_by_mdio_bus = false;
-+
- ret = phy_resume(phydev);
- if (ret < 0)
- return ret;
-diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c
-index ddceed3c5a4a..a516470da015 100644
---- a/drivers/net/slip/slhc.c
-+++ b/drivers/net/slip/slhc.c
-@@ -232,7 +232,7 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
- register struct cstate *cs = lcs->next;
- register unsigned long deltaS, deltaA;
- register short changes = 0;
-- int hlen;
-+ int nlen, hlen;
- unsigned char new_seq[16];
- register unsigned char *cp = new_seq;
- struct iphdr *ip;
-@@ -248,6 +248,8 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
- return isize;
-
- ip = (struct iphdr *) icp;
-+ if (ip->version != 4 || ip->ihl < 5)
-+ return isize;
-
- /* Bail if this packet isn't TCP, or is an IP fragment */
- if (ip->protocol != IPPROTO_TCP || (ntohs(ip->frag_off) & 0x3fff)) {
-@@ -258,10 +260,14 @@ slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
- comp->sls_o_tcp++;
- return isize;
- }
-- /* Extract TCP header */
-+ nlen = ip->ihl * 4;
-+ if (isize < nlen + sizeof(*th))
-+ return isize;
-
-- th = (struct tcphdr *)(((unsigned char *)ip) + ip->ihl*4);
-- hlen = ip->ihl*4 + th->doff*4;
-+ th = (struct tcphdr *)(icp + nlen);
-+ if (th->doff < sizeof(struct tcphdr) / 4)
-+ return isize;
-+ hlen = nlen + th->doff * 4;
-
- /* Bail if the TCP packet isn't `compressible' (i.e., ACK isn't set or
- * some other control bit is set). Also uncompressible if
-diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
-index fd2573cca803..d0c18e3557f1 100644
---- a/drivers/net/team/team.c
-+++ b/drivers/net/team/team.c
-@@ -2216,6 +2216,8 @@ team_nl_option_policy[TEAM_ATTR_OPTION_MAX + 1] = {
- [TEAM_ATTR_OPTION_CHANGED] = { .type = NLA_FLAG },
- [TEAM_ATTR_OPTION_TYPE] = { .type = NLA_U8 },
- [TEAM_ATTR_OPTION_DATA] = { .type = NLA_BINARY },
-+ [TEAM_ATTR_OPTION_PORT_IFINDEX] = { .type = NLA_U32 },
-+ [TEAM_ATTR_OPTION_ARRAY_INDEX] = { .type = NLA_U32 },
- };
-
- static int team_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info)
-diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
-index ba7cfc089516..6e74965d26a0 100644
---- a/drivers/net/usb/r8152.c
-+++ b/drivers/net/usb/r8152.c
-@@ -3423,7 +3423,10 @@ static void r8153_init(struct r8152 *tp)
- if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
- AUTOLOAD_DONE)
- break;
-+
- msleep(20);
-+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
-+ break;
- }
-
- for (i = 0; i < 500; i++) {
-@@ -3447,7 +3450,10 @@ static void r8153_init(struct r8152 *tp)
- ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
- if (ocp_data == PHY_STAT_LAN_ON)
- break;
-+
- msleep(20);
-+ if (test_bit(RTL8152_UNPLUG, &tp->flags))
-+ break;
- }
-
- usb_disable_lpm(tp->udev);
-diff --git a/drivers/net/wireless/marvell/mwifiex/tdls.c b/drivers/net/wireless/marvell/mwifiex/tdls.c
-index df9704de0715..c6fc09d17462 100644
---- a/drivers/net/wireless/marvell/mwifiex/tdls.c
-+++ b/drivers/net/wireless/marvell/mwifiex/tdls.c
-@@ -917,59 +917,117 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
-
- switch (*pos) {
- case WLAN_EID_SUPP_RATES:
-+ if (pos[1] > 32)
-+ return;
- sta_ptr->tdls_cap.rates_len = pos[1];
- for (i = 0; i < pos[1]; i++)
- sta_ptr->tdls_cap.rates[i] = pos[i + 2];
- break;
-
- case WLAN_EID_EXT_SUPP_RATES:
-+ if (pos[1] > 32)
-+ return;
- basic = sta_ptr->tdls_cap.rates_len;
-+ if (pos[1] > 32 - basic)
-+ return;
- for (i = 0; i < pos[1]; i++)
- sta_ptr->tdls_cap.rates[basic + i] = pos[i + 2];
- sta_ptr->tdls_cap.rates_len += pos[1];
- break;
- case WLAN_EID_HT_CAPABILITY:
-- memcpy((u8 *)&sta_ptr->tdls_cap.ht_capb, pos,
-+ if (pos > end - sizeof(struct ieee80211_ht_cap) - 2)
-+ return;
-+ if (pos[1] != sizeof(struct ieee80211_ht_cap))
-+ return;
-+ /* copy the ie's value into ht_capb*/
-+ memcpy((u8 *)&sta_ptr->tdls_cap.ht_capb, pos + 2,
- sizeof(struct ieee80211_ht_cap));
- sta_ptr->is_11n_enabled = 1;
- break;
- case WLAN_EID_HT_OPERATION:
-- memcpy(&sta_ptr->tdls_cap.ht_oper, pos,
-+ if (pos > end -
-+ sizeof(struct ieee80211_ht_operation) - 2)
-+ return;
-+ if (pos[1] != sizeof(struct ieee80211_ht_operation))
-+ return;
-+ /* copy the ie's value into ht_oper*/
-+ memcpy(&sta_ptr->tdls_cap.ht_oper, pos + 2,
- sizeof(struct ieee80211_ht_operation));
- break;
- case WLAN_EID_BSS_COEX_2040:
-+ if (pos > end - 3)
-+ return;
-+ if (pos[1] != 1)
-+ return;
- sta_ptr->tdls_cap.coex_2040 = pos[2];
- break;
- case WLAN_EID_EXT_CAPABILITY:
-+ if (pos > end - sizeof(struct ieee_types_header))
-+ return;
-+ if (pos[1] < sizeof(struct ieee_types_header))
-+ return;
-+ if (pos[1] > 8)
-+ return;
- memcpy((u8 *)&sta_ptr->tdls_cap.extcap, pos,
- sizeof(struct ieee_types_header) +
- min_t(u8, pos[1], 8));
- break;
- case WLAN_EID_RSN:
-+ if (pos > end - sizeof(struct ieee_types_header))
-+ return;
-+ if (pos[1] < sizeof(struct ieee_types_header))
-+ return;
-+ if (pos[1] > IEEE_MAX_IE_SIZE -
-+ sizeof(struct ieee_types_header))
-+ return;
- memcpy((u8 *)&sta_ptr->tdls_cap.rsn_ie, pos,
- sizeof(struct ieee_types_header) +
- min_t(u8, pos[1], IEEE_MAX_IE_SIZE -
- sizeof(struct ieee_types_header)));
- break;
- case WLAN_EID_QOS_CAPA:
-+ if (pos > end - 3)
-+ return;
-+ if (pos[1] != 1)
-+ return;
- sta_ptr->tdls_cap.qos_info = pos[2];
- break;
- case WLAN_EID_VHT_OPERATION:
-- if (priv->adapter->is_hw_11ac_capable)
-- memcpy(&sta_ptr->tdls_cap.vhtoper, pos,
-+ if (priv->adapter->is_hw_11ac_capable) {
-+ if (pos > end -
-+ sizeof(struct ieee80211_vht_operation) - 2)
-+ return;
-+ if (pos[1] !=
-+ sizeof(struct ieee80211_vht_operation))
-+ return;
-+ /* copy the ie's value into vhtoper*/
-+ memcpy(&sta_ptr->tdls_cap.vhtoper, pos + 2,
- sizeof(struct ieee80211_vht_operation));
-+ }
- break;
- case WLAN_EID_VHT_CAPABILITY:
- if (priv->adapter->is_hw_11ac_capable) {
-- memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos,
-+ if (pos > end -
-+ sizeof(struct ieee80211_vht_cap) - 2)
-+ return;
-+ if (pos[1] != sizeof(struct ieee80211_vht_cap))
-+ return;
-+ /* copy the ie's value into vhtcap*/
-+ memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos + 2,
- sizeof(struct ieee80211_vht_cap));
- sta_ptr->is_11ac_enabled = 1;
- }
- break;
- case WLAN_EID_AID:
-- if (priv->adapter->is_hw_11ac_capable)
-+ if (priv->adapter->is_hw_11ac_capable) {
-+ if (pos > end - 4)
-+ return;
-+ if (pos[1] != 2)
-+ return;
- sta_ptr->tdls_cap.aid =
- le16_to_cpu(*(__le16 *)(pos + 2));
-+ }
-+ break;
- default:
- break;
- }
-diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
-index d6475dcce9df..0262c8f7e7c7 100644
---- a/fs/cifs/dir.c
-+++ b/fs/cifs/dir.c
-@@ -551,7 +551,6 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
- if (server->ops->close)
- server->ops->close(xid, tcon, &fid);
- cifs_del_pending_open(&open);
-- fput(file);
- rc = -ENOMEM;
- }
-
-diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
-index bd6202b70447..daad7b04f88c 100644
---- a/fs/gfs2/inode.c
-+++ b/fs/gfs2/inode.c
-@@ -1248,7 +1248,7 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
- if (!(*opened & FILE_OPENED))
- return finish_no_open(file, d);
- dput(d);
-- return 0;
-+ return excl && (flags & O_CREAT) ? -EEXIST : 0;
- }
-
- BUG_ON(d != NULL);
-diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
-index 04dd0652bb5c..8de458d64134 100644
---- a/fs/jbd2/transaction.c
-+++ b/fs/jbd2/transaction.c
-@@ -1037,8 +1037,8 @@ static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh,
- /* For undo access buffer must have data copied */
- if (undo && !jh->b_committed_data)
- goto out;
-- if (jh->b_transaction != handle->h_transaction &&
-- jh->b_next_transaction != handle->h_transaction)
-+ if (READ_ONCE(jh->b_transaction) != handle->h_transaction &&
-+ READ_ONCE(jh->b_next_transaction) != handle->h_transaction)
- goto out;
- /*
- * There are two reasons for the barrier here:
-@@ -2448,8 +2448,8 @@ void __jbd2_journal_refile_buffer(struct journal_head *jh)
- * our jh reference and thus __jbd2_journal_file_buffer() must not
- * take a new one.
- */
-- jh->b_transaction = jh->b_next_transaction;
-- jh->b_next_transaction = NULL;
-+ WRITE_ONCE(jh->b_transaction, jh->b_next_transaction);
-+ WRITE_ONCE(jh->b_next_transaction, NULL);
- if (buffer_freed(bh))
- jlist = BJ_Forget;
- else if (jh->b_modified)
-diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
-index c2665d920cf8..2517fcd423b6 100644
---- a/fs/nfs/dir.c
-+++ b/fs/nfs/dir.c
-@@ -678,8 +678,6 @@ int nfs_readdir_xdr_to_array(nfs_readdir_descriptor_t *desc, struct page *page,
- goto out_label_free;
- }
-
-- array = kmap(page);
--
- status = nfs_readdir_alloc_pages(pages, array_size);
- if (status < 0)
- goto out_release_array;
-diff --git a/fs/open.c b/fs/open.c
-index 8db6e3a5fc10..e17cc79bd88a 100644
---- a/fs/open.c
-+++ b/fs/open.c
-@@ -824,9 +824,6 @@ cleanup_file:
- * the return value of d_splice_alias(), then the caller needs to perform dput()
- * on it after finish_open().
- *
-- * On successful return @file is a fully instantiated open file. After this, if
-- * an error occurs in ->atomic_open(), it needs to clean up with fput().
-- *
- * Returns zero on success or -errno if the open failed.
- */
- int finish_open(struct file *file, struct dentry *dentry,
-diff --git a/include/linux/phy.h b/include/linux/phy.h
-index 867110c9d707..8eafced47540 100644
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -333,6 +333,7 @@ struct phy_c45_device_ids {
- * is_pseudo_fixed_link: Set to true if this phy is an Ethernet switch, etc.
- * has_fixups: Set to true if this phy has fixups/quirks.
- * suspended: Set to true if this phy has been suspended successfully.
-+ * suspended_by_mdio_bus: Set to true if this phy was suspended by MDIO bus.
- * state: state of the PHY for management purposes
- * dev_flags: Device-specific flags used by the PHY driver.
- * link_timeout: The number of timer firings to wait before the
-@@ -369,6 +370,7 @@ struct phy_device {
- bool is_pseudo_fixed_link;
- bool has_fixups;
- bool suspended;
-+ bool suspended_by_mdio_bus;
-
- enum phy_state state;
-
-diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
-index 456e4a6006ab..0b0ad792dd5c 100644
---- a/include/net/fib_rules.h
-+++ b/include/net/fib_rules.h
-@@ -87,6 +87,7 @@ struct fib_rules_ops {
- [FRA_OIFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
- [FRA_PRIORITY] = { .type = NLA_U32 }, \
- [FRA_FWMARK] = { .type = NLA_U32 }, \
-+ [FRA_TUN_ID] = { .type = NLA_U64 }, \
- [FRA_FWMASK] = { .type = NLA_U32 }, \
- [FRA_TABLE] = { .type = NLA_U32 }, \
- [FRA_SUPPRESS_PREFIXLEN] = { .type = NLA_U32 }, \
-diff --git a/kernel/cgroup.c b/kernel/cgroup.c
-index bb0cf1caf1cd..2d7a4fc42a88 100644
---- a/kernel/cgroup.c
-+++ b/kernel/cgroup.c
-@@ -6335,6 +6335,10 @@ void cgroup_sk_alloc(struct sock_cgroup_data *skcd)
- return;
- }
-
-+ /* Don't associate the sock with unrelated interrupted task's cgroup. */
-+ if (in_interrupt())
-+ return;
-+
- rcu_read_lock();
-
- while (true) {
-diff --git a/kernel/signal.c b/kernel/signal.c
-index 57fadbe69c2e..d90ccbeb909d 100644
---- a/kernel/signal.c
-+++ b/kernel/signal.c
-@@ -373,27 +373,32 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi
- {
- struct sigqueue *q = NULL;
- struct user_struct *user;
-+ int sigpending;
-
- /*
- * Protect access to @t credentials. This can go away when all
- * callers hold rcu read lock.
-+ *
-+ * NOTE! A pending signal will hold on to the user refcount,
-+ * and we get/put the refcount only when the sigpending count
-+ * changes from/to zero.
- */
- rcu_read_lock();
-- user = get_uid(__task_cred(t)->user);
-- atomic_inc(&user->sigpending);
-+ user = __task_cred(t)->user;
-+ sigpending = atomic_inc_return(&user->sigpending);
-+ if (sigpending == 1)
-+ get_uid(user);
- rcu_read_unlock();
-
-- if (override_rlimit ||
-- atomic_read(&user->sigpending) <=
-- task_rlimit(t, RLIMIT_SIGPENDING)) {
-+ if (override_rlimit || likely(sigpending <= task_rlimit(t, RLIMIT_SIGPENDING))) {
- q = kmem_cache_alloc(sigqueue_cachep, flags);
- } else {
- print_dropped_signal(sig);
- }
-
- if (unlikely(q == NULL)) {
-- atomic_dec(&user->sigpending);
-- free_uid(user);
-+ if (atomic_dec_and_test(&user->sigpending))
-+ free_uid(user);
- } else {
- INIT_LIST_HEAD(&q->list);
- q->flags = 0;
-@@ -407,8 +412,8 @@ static void __sigqueue_free(struct sigqueue *q)
- {
- if (q->flags & SIGQUEUE_PREALLOC)
- return;
-- atomic_dec(&q->user->sigpending);
-- free_uid(q->user);
-+ if (atomic_dec_and_test(&q->user->sigpending))
-+ free_uid(q->user);
- kmem_cache_free(sigqueue_cachep, q);
- }
-
-diff --git a/kernel/workqueue.c b/kernel/workqueue.c
-index 7d970b565c4d..00c295d3104b 100644
---- a/kernel/workqueue.c
-+++ b/kernel/workqueue.c
-@@ -1384,14 +1384,16 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
- WARN_ON_ONCE(!is_chained_work(wq)))
- return;
- retry:
-- if (req_cpu == WORK_CPU_UNBOUND)
-- cpu = wq_select_unbound_cpu(raw_smp_processor_id());
--
- /* pwq which will be used unless @work is executing elsewhere */
-- if (!(wq->flags & WQ_UNBOUND))
-- pwq = per_cpu_ptr(wq->cpu_pwqs, cpu);
-- else
-+ if (wq->flags & WQ_UNBOUND) {
-+ if (req_cpu == WORK_CPU_UNBOUND)
-+ cpu = wq_select_unbound_cpu(raw_smp_processor_id());
- pwq = unbound_pwq_by_node(wq, cpu_to_node(cpu));
-+ } else {
-+ if (req_cpu == WORK_CPU_UNBOUND)
-+ cpu = raw_smp_processor_id();
-+ pwq = per_cpu_ptr(wq->cpu_pwqs, cpu);
-+ }
-
- /*
- * If @work was previously on a different pool, it might still be
-diff --git a/mm/memcontrol.c b/mm/memcontrol.c
-index 0f8422239dea..b85a1c040bc9 100644
---- a/mm/memcontrol.c
-+++ b/mm/memcontrol.c
-@@ -5726,6 +5726,10 @@ void mem_cgroup_sk_alloc(struct sock *sk)
- return;
- }
-
-+ /* Do not associate the sock with unrelated interrupted task's memcg. */
-+ if (in_interrupt())
-+ return;
-+
- rcu_read_lock();
- memcg = mem_cgroup_from_task(current);
- if (memcg == root_mem_cgroup)
-diff --git a/mm/slub.c b/mm/slub.c
-index fa6d62d559eb..4a5b2a0f9360 100644
---- a/mm/slub.c
-+++ b/mm/slub.c
-@@ -3114,6 +3114,15 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
- void *object = c->freelist;
-
- if (unlikely(!object)) {
-+ /*
-+ * We may have removed an object from c->freelist using
-+ * the fastpath in the previous iteration; in that case,
-+ * c->tid has not been bumped yet.
-+ * Since ___slab_alloc() may reenable interrupts while
-+ * allocating memory, we should bump c->tid now.
-+ */
-+ c->tid = next_tid(c->tid);
-+
- /*
- * Invoking slow path likely have side-effect
- * of re-populating per CPU c->freelist
-diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
-index 780700fcbe63..2b663622bdb4 100644
---- a/net/batman-adv/bat_iv_ogm.c
-+++ b/net/batman-adv/bat_iv_ogm.c
-@@ -34,6 +34,7 @@
- #include <linux/kref.h>
- #include <linux/list.h>
- #include <linux/lockdep.h>
-+#include <linux/mutex.h>
- #include <linux/netdevice.h>
- #include <linux/netlink.h>
- #include <linux/pkt_sched.h>
-@@ -149,7 +150,7 @@ static void batadv_iv_ogm_orig_free(struct batadv_orig_node *orig_node)
- * Return: 0 on success, a negative error code otherwise.
- */
- static int batadv_iv_ogm_orig_add_if(struct batadv_orig_node *orig_node,
-- int max_if_num)
-+ unsigned int max_if_num)
- {
- void *data_ptr;
- size_t old_size;
-@@ -193,7 +194,8 @@ unlock:
- */
- static void
- batadv_iv_ogm_drop_bcast_own_entry(struct batadv_orig_node *orig_node,
-- int max_if_num, int del_if_num)
-+ unsigned int max_if_num,
-+ unsigned int del_if_num)
- {
- size_t chunk_size;
- size_t if_offset;
-@@ -231,7 +233,8 @@ batadv_iv_ogm_drop_bcast_own_entry(struct batadv_orig_node *orig_node,
- */
- static void
- batadv_iv_ogm_drop_bcast_own_sum_entry(struct batadv_orig_node *orig_node,
-- int max_if_num, int del_if_num)
-+ unsigned int max_if_num,
-+ unsigned int del_if_num)
- {
- size_t if_offset;
- void *data_ptr;
-@@ -268,7 +271,8 @@ batadv_iv_ogm_drop_bcast_own_sum_entry(struct batadv_orig_node *orig_node,
- * Return: 0 on success, a negative error code otherwise.
- */
- static int batadv_iv_ogm_orig_del_if(struct batadv_orig_node *orig_node,
-- int max_if_num, int del_if_num)
-+ unsigned int max_if_num,
-+ unsigned int del_if_num)
- {
- spin_lock_bh(&orig_node->bat_iv.ogm_cnt_lock);
-
-@@ -302,7 +306,8 @@ static struct batadv_orig_node *
- batadv_iv_ogm_orig_get(struct batadv_priv *bat_priv, const u8 *addr)
- {
- struct batadv_orig_node *orig_node;
-- int size, hash_added;
-+ int hash_added;
-+ size_t size;
-
- orig_node = batadv_orig_hash_find(bat_priv, addr);
- if (orig_node)
-@@ -366,14 +371,18 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
- unsigned char *ogm_buff;
- u32 random_seqno;
-
-+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
-+
- /* randomize initial seqno to avoid collision */
- get_random_bytes(&random_seqno, sizeof(random_seqno));
- atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno);
-
- hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN;
- ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC);
-- if (!ogm_buff)
-+ if (!ogm_buff) {
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
- return -ENOMEM;
-+ }
-
- hard_iface->bat_iv.ogm_buff = ogm_buff;
-
-@@ -385,35 +394,59 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
- batadv_ogm_packet->reserved = 0;
- batadv_ogm_packet->tq = BATADV_TQ_MAX_VALUE;
-
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
-+
- return 0;
- }
-
- static void batadv_iv_ogm_iface_disable(struct batadv_hard_iface *hard_iface)
- {
-+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
-+
- kfree(hard_iface->bat_iv.ogm_buff);
- hard_iface->bat_iv.ogm_buff = NULL;
-+
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
- }
-
- static void batadv_iv_ogm_iface_update_mac(struct batadv_hard_iface *hard_iface)
- {
- struct batadv_ogm_packet *batadv_ogm_packet;
-- unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
-+ void *ogm_buff;
-
-- batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
-+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
-+
-+ ogm_buff = hard_iface->bat_iv.ogm_buff;
-+ if (!ogm_buff)
-+ goto unlock;
-+
-+ batadv_ogm_packet = ogm_buff;
- ether_addr_copy(batadv_ogm_packet->orig,
- hard_iface->net_dev->dev_addr);
- ether_addr_copy(batadv_ogm_packet->prev_sender,
- hard_iface->net_dev->dev_addr);
-+
-+unlock:
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
- }
-
- static void
- batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface)
- {
- struct batadv_ogm_packet *batadv_ogm_packet;
-- unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
-+ void *ogm_buff;
-
-- batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
-+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
-+
-+ ogm_buff = hard_iface->bat_iv.ogm_buff;
-+ if (!ogm_buff)
-+ goto unlock;
-+
-+ batadv_ogm_packet = ogm_buff;
- batadv_ogm_packet->ttl = BATADV_TTL;
-+
-+unlock:
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
- }
-
- /* when do we schedule our own ogm to be sent */
-@@ -898,7 +931,7 @@ batadv_iv_ogm_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
- u32 i;
- size_t word_index;
- u8 *w;
-- int if_num;
-+ unsigned int if_num;
-
- for (i = 0; i < hash->size; i++) {
- head = &hash->table[i];
-@@ -919,7 +952,11 @@ batadv_iv_ogm_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
- }
- }
-
--static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
-+/**
-+ * batadv_iv_ogm_schedule_buff() - schedule submission of hardif ogm buffer
-+ * @hard_iface: interface whose ogm buffer should be transmitted
-+ */
-+static void batadv_iv_ogm_schedule_buff(struct batadv_hard_iface *hard_iface)
- {
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- unsigned char **ogm_buff = &hard_iface->bat_iv.ogm_buff;
-@@ -930,8 +967,10 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
- u16 tvlv_len = 0;
- unsigned long send_time;
-
-- if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) ||
-- (hard_iface->if_status == BATADV_IF_TO_BE_REMOVED))
-+ lockdep_assert_held(&hard_iface->bat_iv.ogm_buff_mutex);
-+
-+ /* interface already disabled by batadv_iv_ogm_iface_disable */
-+ if (!*ogm_buff)
- return;
-
- /* the interface gets activated here to avoid race conditions between
-@@ -1000,6 +1039,17 @@ out:
- batadv_hardif_put(primary_if);
- }
-
-+static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
-+{
-+ if (hard_iface->if_status == BATADV_IF_NOT_IN_USE ||
-+ hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)
-+ return;
-+
-+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
-+ batadv_iv_ogm_schedule_buff(hard_iface);
-+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
-+}
-+
- /**
- * batadv_iv_ogm_orig_update - use OGM to update corresponding data in an
- * originator
-@@ -1028,7 +1078,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
- struct batadv_neigh_node *tmp_neigh_node = NULL;
- struct batadv_neigh_node *router = NULL;
- struct batadv_orig_node *orig_node_tmp;
-- int if_num;
-+ unsigned int if_num;
- u8 sum_orig, sum_neigh;
- u8 *neigh_addr;
- u8 tq_avg;
-@@ -1186,7 +1236,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
- u8 total_count;
- u8 orig_eq_count, neigh_rq_count, neigh_rq_inv, tq_own;
- unsigned int neigh_rq_inv_cube, neigh_rq_max_cube;
-- int if_num;
-+ unsigned int if_num;
- unsigned int tq_asym_penalty, inv_asym_penalty;
- unsigned int combined_tq;
- unsigned int tq_iface_penalty;
-@@ -1227,7 +1277,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
- orig_node->last_seen = jiffies;
-
- /* find packet count of corresponding one hop neighbor */
-- spin_lock_bh(&orig_node->bat_iv.ogm_cnt_lock);
-+ spin_lock_bh(&orig_neigh_node->bat_iv.ogm_cnt_lock);
- if_num = if_incoming->if_num;
- orig_eq_count = orig_neigh_node->bat_iv.bcast_own_sum[if_num];
- neigh_ifinfo = batadv_neigh_ifinfo_new(neigh_node, if_outgoing);
-@@ -1237,7 +1287,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
- } else {
- neigh_rq_count = 0;
- }
-- spin_unlock_bh(&orig_node->bat_iv.ogm_cnt_lock);
-+ spin_unlock_bh(&orig_neigh_node->bat_iv.ogm_cnt_lock);
-
- /* pay attention to not get a value bigger than 100 % */
- if (orig_eq_count > neigh_rq_count)
-@@ -1705,9 +1755,9 @@ static void batadv_iv_ogm_process(const struct sk_buff *skb, int ogm_offset,
-
- if (is_my_orig) {
- unsigned long *word;
-- int offset;
-+ size_t offset;
- s32 bit_pos;
-- s16 if_num;
-+ unsigned int if_num;
- u8 *weight;
-
- orig_neigh_node = batadv_iv_ogm_orig_get(bat_priv,
-@@ -2473,12 +2523,22 @@ batadv_iv_ogm_neigh_is_sob(struct batadv_neigh_node *neigh1,
- return ret;
- }
-
--static void batadv_iv_iface_activate(struct batadv_hard_iface *hard_iface)
-+static void batadv_iv_iface_enabled(struct batadv_hard_iface *hard_iface)
- {
- /* begin scheduling originator messages on that interface */
- batadv_iv_ogm_schedule(hard_iface);
- }
-
-+/**
-+ * batadv_iv_init_sel_class - initialize GW selection class
-+ * @bat_priv: the bat priv with all the soft interface information
-+ */
-+static void batadv_iv_init_sel_class(struct batadv_priv *bat_priv)
-+{
-+ /* set default TQ difference threshold to 20 */
-+ atomic_set(&bat_priv->gw.sel_class, 20);
-+}
-+
- static struct batadv_gw_node *
- batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
- {
-@@ -2803,8 +2863,8 @@ unlock:
- static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
- .name = "BATMAN_IV",
- .iface = {
-- .activate = batadv_iv_iface_activate,
- .enable = batadv_iv_ogm_iface_enable,
-+ .enabled = batadv_iv_iface_enabled,
- .disable = batadv_iv_ogm_iface_disable,
- .update_mac = batadv_iv_ogm_iface_update_mac,
- .primary_set = batadv_iv_ogm_primary_iface_set,
-@@ -2827,6 +2887,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = {
- .del_if = batadv_iv_ogm_orig_del_if,
- },
- .gw = {
-+ .init_sel_class = batadv_iv_init_sel_class,
- .get_best_gw_node = batadv_iv_gw_get_best_gw_node,
- .is_eligible = batadv_iv_gw_is_eligible,
- #ifdef CONFIG_BATMAN_ADV_DEBUGFS
-diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
-index 4348118e7eac..18fa602e5fc6 100644
---- a/net/batman-adv/bat_v.c
-+++ b/net/batman-adv/bat_v.c
-@@ -19,7 +19,6 @@
- #include "main.h"
-
- #include <linux/atomic.h>
--#include <linux/bug.h>
- #include <linux/cache.h>
- #include <linux/errno.h>
- #include <linux/if_ether.h>
-@@ -623,11 +622,11 @@ static int batadv_v_neigh_cmp(struct batadv_neigh_node *neigh1,
- int ret = 0;
-
- ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1);
-- if (WARN_ON(!ifinfo1))
-+ if (!ifinfo1)
- goto err_ifinfo1;
-
- ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2);
-- if (WARN_ON(!ifinfo2))
-+ if (!ifinfo2)
- goto err_ifinfo2;
-
- ret = ifinfo1->bat_v.throughput - ifinfo2->bat_v.throughput;
-@@ -649,11 +648,11 @@ static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1,
- bool ret = false;
-
- ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1);
-- if (WARN_ON(!ifinfo1))
-+ if (!ifinfo1)
- goto err_ifinfo1;
-
- ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2);
-- if (WARN_ON(!ifinfo2))
-+ if (!ifinfo2)
- goto err_ifinfo2;
-
- threshold = ifinfo1->bat_v.throughput / 4;
-@@ -668,6 +667,16 @@ err_ifinfo1:
- return ret;
- }
-
-+/**
-+ * batadv_v_init_sel_class - initialize GW selection class
-+ * @bat_priv: the bat priv with all the soft interface information
-+ */
-+static void batadv_v_init_sel_class(struct batadv_priv *bat_priv)
-+{
-+ /* set default throughput difference threshold to 5Mbps */
-+ atomic_set(&bat_priv->gw.sel_class, 50);
-+}
-+
- static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv,
- char *buff, size_t count)
- {
-@@ -805,7 +814,7 @@ static bool batadv_v_gw_is_eligible(struct batadv_priv *bat_priv,
- }
-
- orig_gw = batadv_gw_node_get(bat_priv, orig_node);
-- if (!orig_node)
-+ if (!orig_gw)
- goto out;
-
- if (batadv_v_gw_throughput_get(orig_gw, &orig_throughput) < 0)
-@@ -1054,6 +1063,7 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = {
- .dump = batadv_v_orig_dump,
- },
- .gw = {
-+ .init_sel_class = batadv_v_init_sel_class,
- .store_sel_class = batadv_v_store_sel_class,
- .show_sel_class = batadv_v_show_sel_class,
- .get_best_gw_node = batadv_v_gw_get_best_gw_node,
-@@ -1094,9 +1104,6 @@ int batadv_v_mesh_init(struct batadv_priv *bat_priv)
- if (ret < 0)
- return ret;
-
-- /* set default throughput difference threshold to 5Mbps */
-- atomic_set(&bat_priv->gw.sel_class, 50);
--
- return 0;
- }
-
-diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
-index 5d79004de25c..62df763b2aae 100644
---- a/net/batman-adv/bat_v_elp.c
-+++ b/net/batman-adv/bat_v_elp.c
-@@ -19,6 +19,7 @@
- #include "main.h"
-
- #include <linux/atomic.h>
-+#include <linux/bitops.h>
- #include <linux/byteorder/generic.h>
- #include <linux/errno.h>
- #include <linux/etherdevice.h>
-@@ -29,6 +30,7 @@
- #include <linux/kernel.h>
- #include <linux/kref.h>
- #include <linux/netdevice.h>
-+#include <linux/nl80211.h>
- #include <linux/random.h>
- #include <linux/rculist.h>
- #include <linux/rcupdate.h>
-@@ -100,8 +102,12 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
- */
- return 0;
- }
-- if (!ret)
-- return sinfo.expected_throughput / 100;
-+ if (ret)
-+ goto default_throughput;
-+ if (!(sinfo.filled & BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT)))
-+ goto default_throughput;
-+
-+ return sinfo.expected_throughput / 100;
- }
-
- /* unsupported WiFi driver version */
-@@ -185,6 +191,7 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh)
- struct sk_buff *skb;
- int probe_len, i;
- int elp_skb_len;
-+ void *tmp;
-
- /* this probing routine is for Wifi neighbours only */
- if (!batadv_is_wifi_netdev(hard_iface->net_dev))
-@@ -216,7 +223,8 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh)
- * the packet to be exactly of that size to make the link
- * throughput estimation effective.
- */
-- skb_put(skb, probe_len - hard_iface->bat_v.elp_skb->len);
-+ tmp = skb_put(skb, probe_len - hard_iface->bat_v.elp_skb->len);
-+ memset(tmp, 0, probe_len - hard_iface->bat_v.elp_skb->len);
-
- batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
- "Sending unicast (probe) ELP packet on interface %s to %pM\n",
-@@ -327,21 +335,23 @@ out:
- */
- int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface)
- {
-+ static const size_t tvlv_padding = sizeof(__be32);
- struct batadv_elp_packet *elp_packet;
- unsigned char *elp_buff;
- u32 random_seqno;
- size_t size;
- int res = -ENOMEM;
-
-- size = ETH_HLEN + NET_IP_ALIGN + BATADV_ELP_HLEN;
-+ size = ETH_HLEN + NET_IP_ALIGN + BATADV_ELP_HLEN + tvlv_padding;
- hard_iface->bat_v.elp_skb = dev_alloc_skb(size);
- if (!hard_iface->bat_v.elp_skb)
- goto out;
-
- skb_reserve(hard_iface->bat_v.elp_skb, ETH_HLEN + NET_IP_ALIGN);
-- elp_buff = skb_put(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN);
-+ elp_buff = skb_put(hard_iface->bat_v.elp_skb,
-+ BATADV_ELP_HLEN + tvlv_padding);
- elp_packet = (struct batadv_elp_packet *)elp_buff;
-- memset(elp_packet, 0, BATADV_ELP_HLEN);
-+ memset(elp_packet, 0, BATADV_ELP_HLEN + tvlv_padding);
-
- elp_packet->packet_type = BATADV_ELP;
- elp_packet->version = BATADV_COMPAT_VERSION;
-diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
-index f435435b447e..b0cae59bd327 100644
---- a/net/batman-adv/bat_v_ogm.c
-+++ b/net/batman-adv/bat_v_ogm.c
-@@ -28,6 +28,8 @@
- #include <linux/kernel.h>
- #include <linux/kref.h>
- #include <linux/list.h>
-+#include <linux/lockdep.h>
-+#include <linux/mutex.h>
- #include <linux/netdevice.h>
- #include <linux/random.h>
- #include <linux/rculist.h>
-@@ -127,22 +129,19 @@ static void batadv_v_ogm_send_to_if(struct sk_buff *skb,
- }
-
- /**
-- * batadv_v_ogm_send - periodic worker broadcasting the own OGM
-- * @work: work queue item
-+ * batadv_v_ogm_send_softif() - periodic worker broadcasting the own OGM
-+ * @bat_priv: the bat priv with all the soft interface information
- */
--static void batadv_v_ogm_send(struct work_struct *work)
-+static void batadv_v_ogm_send_softif(struct batadv_priv *bat_priv)
- {
- struct batadv_hard_iface *hard_iface;
-- struct batadv_priv_bat_v *bat_v;
-- struct batadv_priv *bat_priv;
- struct batadv_ogm2_packet *ogm_packet;
- struct sk_buff *skb, *skb_tmp;
- unsigned char *ogm_buff, *pkt_buff;
- int ogm_buff_len;
- u16 tvlv_len = 0;
-
-- bat_v = container_of(work, struct batadv_priv_bat_v, ogm_wq.work);
-- bat_priv = container_of(bat_v, struct batadv_priv, bat_v);
-+ lockdep_assert_held(&bat_priv->bat_v.ogm_buff_mutex);
-
- if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING)
- goto out;
-@@ -209,6 +208,23 @@ out:
- return;
- }
-
-+/**
-+ * batadv_v_ogm_send() - periodic worker broadcasting the own OGM
-+ * @work: work queue item
-+ */
-+static void batadv_v_ogm_send(struct work_struct *work)
-+{
-+ struct batadv_priv_bat_v *bat_v;
-+ struct batadv_priv *bat_priv;
-+
-+ bat_v = container_of(work, struct batadv_priv_bat_v, ogm_wq.work);
-+ bat_priv = container_of(bat_v, struct batadv_priv, bat_v);
-+
-+ mutex_lock(&bat_priv->bat_v.ogm_buff_mutex);
-+ batadv_v_ogm_send_softif(bat_priv);
-+ mutex_unlock(&bat_priv->bat_v.ogm_buff_mutex);
-+}
-+
- /**
- * batadv_v_ogm_iface_enable - prepare an interface for B.A.T.M.A.N. V
- * @hard_iface: the interface to prepare
-@@ -235,11 +251,15 @@ void batadv_v_ogm_primary_iface_set(struct batadv_hard_iface *primary_iface)
- struct batadv_priv *bat_priv = netdev_priv(primary_iface->soft_iface);
- struct batadv_ogm2_packet *ogm_packet;
-
-+ mutex_lock(&bat_priv->bat_v.ogm_buff_mutex);
- if (!bat_priv->bat_v.ogm_buff)
-- return;
-+ goto unlock;
-
- ogm_packet = (struct batadv_ogm2_packet *)bat_priv->bat_v.ogm_buff;
- ether_addr_copy(ogm_packet->orig, primary_iface->net_dev->dev_addr);
-+
-+unlock:
-+ mutex_unlock(&bat_priv->bat_v.ogm_buff_mutex);
- }
-
- /**
-@@ -827,6 +847,8 @@ int batadv_v_ogm_init(struct batadv_priv *bat_priv)
- atomic_set(&bat_priv->bat_v.ogm_seqno, random_seqno);
- INIT_DELAYED_WORK(&bat_priv->bat_v.ogm_wq, batadv_v_ogm_send);
-
-+ mutex_init(&bat_priv->bat_v.ogm_buff_mutex);
-+
- return 0;
- }
-
-@@ -838,7 +860,11 @@ void batadv_v_ogm_free(struct batadv_priv *bat_priv)
- {
- cancel_delayed_work_sync(&bat_priv->bat_v.ogm_wq);
-
-+ mutex_lock(&bat_priv->bat_v.ogm_buff_mutex);
-+
- kfree(bat_priv->bat_v.ogm_buff);
- bat_priv->bat_v.ogm_buff = NULL;
- bat_priv->bat_v.ogm_buff_len = 0;
-+
-+ mutex_unlock(&bat_priv->bat_v.ogm_buff_mutex);
- }
-diff --git a/net/batman-adv/debugfs.c b/net/batman-adv/debugfs.c
-index b4ffba7dd583..e0ab277db503 100644
---- a/net/batman-adv/debugfs.c
-+++ b/net/batman-adv/debugfs.c
-@@ -18,6 +18,7 @@
- #include "debugfs.h"
- #include "main.h"
-
-+#include <linux/dcache.h>
- #include <linux/debugfs.h>
- #include <linux/device.h>
- #include <linux/errno.h>
-@@ -339,6 +340,25 @@ out:
- return -ENOMEM;
- }
-
-+/**
-+ * batadv_debugfs_rename_hardif() - Fix debugfs path for renamed hardif
-+ * @hard_iface: hard interface which was renamed
-+ */
-+void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface)
-+{
-+ const char *name = hard_iface->net_dev->name;
-+ struct dentry *dir;
-+ struct dentry *d;
-+
-+ dir = hard_iface->debug_dir;
-+ if (!dir)
-+ return;
-+
-+ d = debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
-+ if (!d)
-+ pr_err("Can't rename debugfs dir to %s\n", name);
-+}
-+
- /**
- * batadv_debugfs_del_hardif - delete the base directory for a hard interface
- * in debugfs.
-@@ -403,6 +423,26 @@ out:
- return -ENOMEM;
- }
-
-+/**
-+ * batadv_debugfs_rename_meshif() - Fix debugfs path for renamed softif
-+ * @dev: net_device which was renamed
-+ */
-+void batadv_debugfs_rename_meshif(struct net_device *dev)
-+{
-+ struct batadv_priv *bat_priv = netdev_priv(dev);
-+ const char *name = dev->name;
-+ struct dentry *dir;
-+ struct dentry *d;
-+
-+ dir = bat_priv->debug_dir;
-+ if (!dir)
-+ return;
-+
-+ d = debugfs_rename(dir->d_parent, dir, dir->d_parent, name);
-+ if (!d)
-+ pr_err("Can't rename debugfs dir to %s\n", name);
-+}
-+
- void batadv_debugfs_del_meshif(struct net_device *dev)
- {
- struct batadv_priv *bat_priv = netdev_priv(dev);
-diff --git a/net/batman-adv/debugfs.h b/net/batman-adv/debugfs.h
-index e49121ee55f6..59a0d6d70ecd 100644
---- a/net/batman-adv/debugfs.h
-+++ b/net/batman-adv/debugfs.h
-@@ -29,8 +29,10 @@ struct net_device;
- void batadv_debugfs_init(void);
- void batadv_debugfs_destroy(void);
- int batadv_debugfs_add_meshif(struct net_device *dev);
-+void batadv_debugfs_rename_meshif(struct net_device *dev);
- void batadv_debugfs_del_meshif(struct net_device *dev);
- int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface);
-+void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface);
- void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface);
-
- #else
-@@ -48,6 +50,10 @@ static inline int batadv_debugfs_add_meshif(struct net_device *dev)
- return 0;
- }
-
-+static inline void batadv_debugfs_rename_meshif(struct net_device *dev)
-+{
-+}
-+
- static inline void batadv_debugfs_del_meshif(struct net_device *dev)
- {
- }
-@@ -58,6 +64,11 @@ int batadv_debugfs_add_hardif(struct batadv_hard_iface *hard_iface)
- return 0;
- }
-
-+static inline
-+void batadv_debugfs_rename_hardif(struct batadv_hard_iface *hard_iface)
-+{
-+}
-+
- static inline
- void batadv_debugfs_del_hardif(struct batadv_hard_iface *hard_iface)
- {
-diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
-index 3b440b8d7c05..83c7009b0da1 100644
---- a/net/batman-adv/distributed-arp-table.c
-+++ b/net/batman-adv/distributed-arp-table.c
-@@ -1025,8 +1025,9 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
- skb_reset_mac_header(skb_new);
- skb_new->protocol = eth_type_trans(skb_new,
- bat_priv->soft_iface);
-- bat_priv->stats.rx_packets++;
-- bat_priv->stats.rx_bytes += skb->len + ETH_HLEN + hdr_size;
-+ batadv_inc_counter(bat_priv, BATADV_CNT_RX);
-+ batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
-+ skb->len + ETH_HLEN + hdr_size);
- bat_priv->soft_iface->last_rx = jiffies;
-
- netif_rx(skb_new);
-diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
-index a06b6041f3e0..fef21f75892e 100644
---- a/net/batman-adv/fragmentation.c
-+++ b/net/batman-adv/fragmentation.c
-@@ -232,8 +232,10 @@ err_unlock:
- spin_unlock_bh(&chain->lock);
-
- err:
-- if (!ret)
-+ if (!ret) {
- kfree(frag_entry_new);
-+ kfree_skb(skb);
-+ }
-
- return ret;
- }
-@@ -305,7 +307,7 @@ free:
- *
- * There are three possible outcomes: 1) Packet is merged: Return true and
- * set *skb to merged packet; 2) Packet is buffered: Return true and set *skb
-- * to NULL; 3) Error: Return false and leave skb as is.
-+ * to NULL; 3) Error: Return false and free skb.
- *
- * Return: true when packet is merged or buffered, false when skb is not not
- * used.
-@@ -330,9 +332,9 @@ bool batadv_frag_skb_buffer(struct sk_buff **skb,
- goto out_err;
-
- out:
-- *skb = skb_out;
- ret = true;
- out_err:
-+ *skb = skb_out;
- return ret;
- }
-
-@@ -482,12 +484,20 @@ int batadv_frag_send_packet(struct sk_buff *skb,
- */
- if (skb->priority >= 256 && skb->priority <= 263)
- frag_header.priority = skb->priority - 256;
-+ else
-+ frag_header.priority = 0;
-
- ether_addr_copy(frag_header.orig, primary_if->net_dev->dev_addr);
- ether_addr_copy(frag_header.dest, orig_node->orig);
-
- /* Eat and send fragments from the tail of skb */
- while (skb->len > max_fragment_size) {
-+ /* The initial check in this function should cover this case */
-+ if (frag_header.no == BATADV_FRAG_MAX_FRAGMENTS - 1) {
-+ ret = -1;
-+ goto out;
-+ }
-+
- skb_fragment = batadv_frag_create(skb, &frag_header, mtu);
- if (!skb_fragment)
- goto out;
-@@ -505,12 +515,6 @@ int batadv_frag_send_packet(struct sk_buff *skb,
- }
-
- frag_header.no++;
--
-- /* The initial check in this function should cover this case */
-- if (frag_header.no == BATADV_FRAG_MAX_FRAGMENTS - 1) {
-- ret = -1;
-- goto out;
-- }
- }
-
- /* Make room for the fragment header. */
-diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
-index ed9aaf30fbcf..3bd7ed6b6b3e 100644
---- a/net/batman-adv/gateway_client.c
-+++ b/net/batman-adv/gateway_client.c
-@@ -31,6 +31,7 @@
- #include <linux/kernel.h>
- #include <linux/kref.h>
- #include <linux/list.h>
-+#include <linux/lockdep.h>
- #include <linux/netdevice.h>
- #include <linux/netlink.h>
- #include <linux/rculist.h>
-@@ -325,6 +326,9 @@ out:
- * @bat_priv: the bat priv with all the soft interface information
- * @orig_node: originator announcing gateway capabilities
- * @gateway: announced bandwidth information
-+ *
-+ * Has to be called with the appropriate locks being acquired
-+ * (gw.list_lock).
- */
- static void batadv_gw_node_add(struct batadv_priv *bat_priv,
- struct batadv_orig_node *orig_node,
-@@ -332,6 +336,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
- {
- struct batadv_gw_node *gw_node;
-
-+ lockdep_assert_held(&bat_priv->gw.list_lock);
-+
- if (gateway->bandwidth_down == 0)
- return;
-
-@@ -346,10 +352,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
- gw_node->bandwidth_down = ntohl(gateway->bandwidth_down);
- gw_node->bandwidth_up = ntohl(gateway->bandwidth_up);
-
-- spin_lock_bh(&bat_priv->gw.list_lock);
- kref_get(&gw_node->refcount);
- hlist_add_head_rcu(&gw_node->list, &bat_priv->gw.list);
-- spin_unlock_bh(&bat_priv->gw.list_lock);
-
- batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
- "Found new gateway %pM -> gw bandwidth: %u.%u/%u.%u MBit\n",
-@@ -404,11 +408,14 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
- {
- struct batadv_gw_node *gw_node, *curr_gw = NULL;
-
-+ spin_lock_bh(&bat_priv->gw.list_lock);
- gw_node = batadv_gw_node_get(bat_priv, orig_node);
- if (!gw_node) {
- batadv_gw_node_add(bat_priv, orig_node, gateway);
-+ spin_unlock_bh(&bat_priv->gw.list_lock);
- goto out;
- }
-+ spin_unlock_bh(&bat_priv->gw.list_lock);
-
- if ((gw_node->bandwidth_down == ntohl(gateway->bandwidth_down)) &&
- (gw_node->bandwidth_up == ntohl(gateway->bandwidth_up)))
-diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
-index 21184810d89f..3e3f91ab694f 100644
---- a/net/batman-adv/gateway_common.c
-+++ b/net/batman-adv/gateway_common.c
-@@ -253,6 +253,11 @@ static void batadv_gw_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,
- */
- void batadv_gw_init(struct batadv_priv *bat_priv)
- {
-+ if (bat_priv->algo_ops->gw.init_sel_class)
-+ bat_priv->algo_ops->gw.init_sel_class(bat_priv);
-+ else
-+ atomic_set(&bat_priv->gw.sel_class, 1);
-+
- batadv_tvlv_handler_register(bat_priv, batadv_gw_tvlv_ogm_handler_v1,
- NULL, BATADV_TVLV_GW, 1,
- BATADV_TVLV_HANDLER_OGM_CIFNOTFND);
-diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
-index 8f7883b7d717..f528761674df 100644
---- a/net/batman-adv/hard-interface.c
-+++ b/net/batman-adv/hard-interface.c
-@@ -28,6 +28,7 @@
- #include <linux/kernel.h>
- #include <linux/kref.h>
- #include <linux/list.h>
-+#include <linux/mutex.h>
- #include <linux/netdevice.h>
- #include <linux/printk.h>
- #include <linux/rculist.h>
-@@ -539,6 +540,11 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
- hard_iface->soft_iface = soft_iface;
- bat_priv = netdev_priv(hard_iface->soft_iface);
-
-+ if (bat_priv->num_ifaces >= UINT_MAX) {
-+ ret = -ENOSPC;
-+ goto err_dev;
-+ }
-+
- ret = netdev_master_upper_dev_link(hard_iface->net_dev,
- soft_iface, NULL, NULL);
- if (ret)
-@@ -591,6 +597,9 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
-
- batadv_hardif_recalc_extra_skbroom(soft_iface);
-
-+ if (bat_priv->algo_ops->iface.enabled)
-+ bat_priv->algo_ops->iface.enabled(hard_iface);
-+
- out:
- return 0;
-
-@@ -646,7 +655,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
- batadv_hardif_recalc_extra_skbroom(hard_iface->soft_iface);
-
- /* nobody uses this interface anymore */
-- if (!bat_priv->num_ifaces) {
-+ if (bat_priv->num_ifaces == 0) {
- batadv_gw_check_client_stop(bat_priv);
-
- if (autodel == BATADV_IF_CLEANUP_AUTO)
-@@ -682,7 +691,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
- if (ret)
- goto free_if;
-
-- hard_iface->if_num = -1;
-+ hard_iface->if_num = 0;
- hard_iface->net_dev = net_dev;
- hard_iface->soft_iface = NULL;
- hard_iface->if_status = BATADV_IF_NOT_IN_USE;
-@@ -694,6 +703,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
- INIT_LIST_HEAD(&hard_iface->list);
- INIT_HLIST_HEAD(&hard_iface->neigh_list);
-
-+ mutex_init(&hard_iface->bat_iv.ogm_buff_mutex);
- spin_lock_init(&hard_iface->neigh_list_lock);
- kref_init(&hard_iface->refcount);
-
-@@ -750,6 +760,32 @@ void batadv_hardif_remove_interfaces(void)
- rtnl_unlock();
- }
-
-+/**
-+ * batadv_hard_if_event_softif() - Handle events for soft interfaces
-+ * @event: NETDEV_* event to handle
-+ * @net_dev: net_device which generated an event
-+ *
-+ * Return: NOTIFY_* result
-+ */
-+static int batadv_hard_if_event_softif(unsigned long event,
-+ struct net_device *net_dev)
-+{
-+ struct batadv_priv *bat_priv;
-+
-+ switch (event) {
-+ case NETDEV_REGISTER:
-+ batadv_sysfs_add_meshif(net_dev);
-+ bat_priv = netdev_priv(net_dev);
-+ batadv_softif_create_vlan(bat_priv, BATADV_NO_FLAGS);
-+ break;
-+ case NETDEV_CHANGENAME:
-+ batadv_debugfs_rename_meshif(net_dev);
-+ break;
-+ }
-+
-+ return NOTIFY_DONE;
-+}
-+
- static int batadv_hard_if_event(struct notifier_block *this,
- unsigned long event, void *ptr)
- {
-@@ -758,12 +794,8 @@ static int batadv_hard_if_event(struct notifier_block *this,
- struct batadv_hard_iface *primary_if = NULL;
- struct batadv_priv *bat_priv;
-
-- if (batadv_softif_is_valid(net_dev) && event == NETDEV_REGISTER) {
-- batadv_sysfs_add_meshif(net_dev);
-- bat_priv = netdev_priv(net_dev);
-- batadv_softif_create_vlan(bat_priv, BATADV_NO_FLAGS);
-- return NOTIFY_DONE;
-- }
-+ if (batadv_softif_is_valid(net_dev))
-+ return batadv_hard_if_event_softif(event, net_dev);
-
- hard_iface = batadv_hardif_get_by_netdev(net_dev);
- if (!hard_iface && (event == NETDEV_REGISTER ||
-@@ -807,6 +839,9 @@ static int batadv_hard_if_event(struct notifier_block *this,
- if (hard_iface == primary_if)
- batadv_primary_if_update_addr(bat_priv, NULL);
- break;
-+ case NETDEV_CHANGENAME:
-+ batadv_debugfs_rename_hardif(hard_iface);
-+ break;
- default:
- break;
- }
-diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
-index 7c8d16086f0f..8466f83fc32f 100644
---- a/net/batman-adv/originator.c
-+++ b/net/batman-adv/originator.c
-@@ -1495,7 +1495,7 @@ int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb)
- }
-
- int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
-- int max_if_num)
-+ unsigned int max_if_num)
- {
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct batadv_algo_ops *bao = bat_priv->algo_ops;
-@@ -1530,7 +1530,7 @@ err:
- }
-
- int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
-- int max_if_num)
-+ unsigned int max_if_num)
- {
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct batadv_hashtable *hash = bat_priv->orig_hash;
-diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
-index ebc56183f358..fab0b2cc141d 100644
---- a/net/batman-adv/originator.h
-+++ b/net/batman-adv/originator.h
-@@ -78,9 +78,9 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
- int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
- int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
- int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
-- int max_if_num);
-+ unsigned int max_if_num);
- int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
-- int max_if_num);
-+ unsigned int max_if_num);
- struct batadv_orig_node_vlan *
- batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
- unsigned short vid);
-diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
-index 8b98609ebc1e..19059ae26e51 100644
---- a/net/batman-adv/routing.c
-+++ b/net/batman-adv/routing.c
-@@ -930,7 +930,6 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
- bool is4addr;
-
- unicast_packet = (struct batadv_unicast_packet *)skb->data;
-- unicast_4addr_packet = (struct batadv_unicast_4addr_packet *)skb->data;
-
- is4addr = unicast_packet->packet_type == BATADV_UNICAST_4ADDR;
- /* the caller function should have already pulled 2 bytes */
-@@ -951,9 +950,13 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
- if (!batadv_check_unicast_ttvn(bat_priv, skb, hdr_size))
- return NET_RX_DROP;
-
-+ unicast_packet = (struct batadv_unicast_packet *)skb->data;
-+
- /* packet for me */
- if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) {
- if (is4addr) {
-+ unicast_4addr_packet =
-+ (struct batadv_unicast_4addr_packet *)skb->data;
- subtype = unicast_4addr_packet->subtype;
- batadv_dat_inc_counter(bat_priv, subtype);
-
-@@ -1080,6 +1083,12 @@ int batadv_recv_frag_packet(struct sk_buff *skb,
- batadv_inc_counter(bat_priv, BATADV_CNT_FRAG_RX);
- batadv_add_counter(bat_priv, BATADV_CNT_FRAG_RX_BYTES, skb->len);
-
-+ /* batadv_frag_skb_buffer will always consume the skb and
-+ * the caller should therefore never try to free the
-+ * skb after this point
-+ */
-+ ret = NET_RX_SUCCESS;
-+
- /* Add fragment to buffer and merge if possible. */
- if (!batadv_frag_skb_buffer(&skb, orig_node_src))
- goto out;
-diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
-index a92512a46e91..99d2c453c872 100644
---- a/net/batman-adv/soft-interface.c
-+++ b/net/batman-adv/soft-interface.c
-@@ -808,7 +808,6 @@ static int batadv_softif_init_late(struct net_device *dev)
- atomic_set(&bat_priv->mcast.num_want_all_ipv6, 0);
- #endif
- atomic_set(&bat_priv->gw.mode, BATADV_GW_MODE_OFF);
-- atomic_set(&bat_priv->gw.sel_class, 20);
- atomic_set(&bat_priv->gw.bandwidth_down, 100);
- atomic_set(&bat_priv->gw.bandwidth_up, 20);
- atomic_set(&bat_priv->orig_interval, 1000);
-diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
-index 1fab9bcf535d..d40d83949b00 100644
---- a/net/batman-adv/translation-table.c
-+++ b/net/batman-adv/translation-table.c
-@@ -867,7 +867,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
- struct batadv_orig_node_vlan *vlan;
- u8 *tt_change_ptr;
-
-- rcu_read_lock();
-+ spin_lock_bh(&orig_node->vlan_list_lock);
- hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) {
- num_vlan++;
- num_entries += atomic_read(&vlan->tt.num_entries);
-@@ -905,7 +905,7 @@ batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node,
- *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr;
-
- out:
-- rcu_read_unlock();
-+ spin_unlock_bh(&orig_node->vlan_list_lock);
- return tvlv_len;
- }
-
-@@ -936,15 +936,20 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
- struct batadv_tvlv_tt_vlan_data *tt_vlan;
- struct batadv_softif_vlan *vlan;
- u16 num_vlan = 0;
-- u16 num_entries = 0;
-+ u16 vlan_entries = 0;
-+ u16 total_entries = 0;
- u16 tvlv_len;
- u8 *tt_change_ptr;
- int change_offset;
-
-- rcu_read_lock();
-+ spin_lock_bh(&bat_priv->softif_vlan_list_lock);
- hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) {
-+ vlan_entries = atomic_read(&vlan->tt.num_entries);
-+ if (vlan_entries < 1)
-+ continue;
-+
- num_vlan++;
-- num_entries += atomic_read(&vlan->tt.num_entries);
-+ total_entries += vlan_entries;
- }
-
- change_offset = sizeof(**tt_data);
-@@ -952,7 +957,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
-
- /* if tt_len is negative, allocate the space needed by the full table */
- if (*tt_len < 0)
-- *tt_len = batadv_tt_len(num_entries);
-+ *tt_len = batadv_tt_len(total_entries);
-
- tvlv_len = *tt_len;
- tvlv_len += change_offset;
-@@ -969,6 +974,10 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
-
- tt_vlan = (struct batadv_tvlv_tt_vlan_data *)(*tt_data + 1);
- hlist_for_each_entry_rcu(vlan, &bat_priv->softif_vlan_list, list) {
-+ vlan_entries = atomic_read(&vlan->tt.num_entries);
-+ if (vlan_entries < 1)
-+ continue;
-+
- tt_vlan->vid = htons(vlan->vid);
- tt_vlan->crc = htonl(vlan->tt.crc);
-
-@@ -979,7 +988,7 @@ batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv,
- *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr;
-
- out:
-- rcu_read_unlock();
-+ spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
- return tvlv_len;
- }
-
-@@ -1539,6 +1548,8 @@ batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry,
- * by a given originator
- * @entry: the TT global entry to check
- * @orig_node: the originator to search in the list
-+ * @flags: a pointer to store TT flags for the given @entry received
-+ * from @orig_node
- *
- * find out if an orig_node is already in the list of a tt_global_entry.
- *
-@@ -1546,7 +1557,8 @@ batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry,
- */
- static bool
- batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry,
-- const struct batadv_orig_node *orig_node)
-+ const struct batadv_orig_node *orig_node,
-+ u8 *flags)
- {
- struct batadv_tt_orig_list_entry *orig_entry;
- bool found = false;
-@@ -1554,15 +1566,51 @@ batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry,
- orig_entry = batadv_tt_global_orig_entry_find(entry, orig_node);
- if (orig_entry) {
- found = true;
-+
-+ if (flags)
-+ *flags = orig_entry->flags;
-+
- batadv_tt_orig_list_entry_put(orig_entry);
- }
-
- return found;
- }
-
-+/**
-+ * batadv_tt_global_sync_flags - update TT sync flags
-+ * @tt_global: the TT global entry to update sync flags in
-+ *
-+ * Updates the sync flag bits in the tt_global flag attribute with a logical
-+ * OR of all sync flags from any of its TT orig entries.
-+ */
-+static void
-+batadv_tt_global_sync_flags(struct batadv_tt_global_entry *tt_global)
-+{
-+ struct batadv_tt_orig_list_entry *orig_entry;
-+ const struct hlist_head *head;
-+ u16 flags = BATADV_NO_FLAGS;
-+
-+ rcu_read_lock();
-+ head = &tt_global->orig_list;
-+ hlist_for_each_entry_rcu(orig_entry, head, list)
-+ flags |= orig_entry->flags;
-+ rcu_read_unlock();
-+
-+ flags |= tt_global->common.flags & (~BATADV_TT_SYNC_MASK);
-+ tt_global->common.flags = flags;
-+}
-+
-+/**
-+ * batadv_tt_global_orig_entry_add - add or update a TT orig entry
-+ * @tt_global: the TT global entry to add an orig entry in
-+ * @orig_node: the originator to add an orig entry for
-+ * @ttvn: translation table version number of this changeset
-+ * @flags: TT sync flags
-+ */
- static void
- batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
-- struct batadv_orig_node *orig_node, int ttvn)
-+ struct batadv_orig_node *orig_node, int ttvn,
-+ u8 flags)
- {
- struct batadv_tt_orig_list_entry *orig_entry;
-
-@@ -1574,7 +1622,8 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
- * was added during a "temporary client detection"
- */
- orig_entry->ttvn = ttvn;
-- goto out;
-+ orig_entry->flags = flags;
-+ goto sync_flags;
- }
-
- orig_entry = kmem_cache_zalloc(batadv_tt_orig_cache, GFP_ATOMIC);
-@@ -1586,6 +1635,7 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
- batadv_tt_global_size_inc(orig_node, tt_global->common.vid);
- orig_entry->orig_node = orig_node;
- orig_entry->ttvn = ttvn;
-+ orig_entry->flags = flags;
- kref_init(&orig_entry->refcount);
-
- kref_get(&orig_entry->refcount);
-@@ -1593,6 +1643,8 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
- &tt_global->orig_list);
- atomic_inc(&tt_global->orig_list_count);
-
-+sync_flags:
-+ batadv_tt_global_sync_flags(tt_global);
- out:
- if (orig_entry)
- batadv_tt_orig_list_entry_put(orig_entry);
-@@ -1656,7 +1708,9 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
- ether_addr_copy(common->addr, tt_addr);
- common->vid = vid;
-
-- common->flags = flags;
-+ if (!is_multicast_ether_addr(common->addr))
-+ common->flags = flags & (~BATADV_TT_SYNC_MASK);
-+
- tt_global_entry->roam_at = 0;
- /* node must store current time in case of roaming. This is
- * needed to purge this entry out on timeout (if nobody claims
-@@ -1698,7 +1752,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
- if (!(common->flags & BATADV_TT_CLIENT_TEMP))
- goto out;
- if (batadv_tt_global_entry_has_orig(tt_global_entry,
-- orig_node))
-+ orig_node, NULL))
- goto out_remove;
- batadv_tt_global_del_orig_list(tt_global_entry);
- goto add_orig_entry;
-@@ -1716,10 +1770,11 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
- }
-
- /* the change can carry possible "attribute" flags like the
-- * TT_CLIENT_WIFI, therefore they have to be copied in the
-+ * TT_CLIENT_TEMP, therefore they have to be copied in the
- * client entry
- */
-- common->flags |= flags;
-+ if (!is_multicast_ether_addr(common->addr))
-+ common->flags |= flags & (~BATADV_TT_SYNC_MASK);
-
- /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only
- * one originator left in the list and we previously received a
-@@ -1736,7 +1791,8 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
- }
- add_orig_entry:
- /* add the new orig_entry (if needed) or update it */
-- batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn);
-+ batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn,
-+ flags & BATADV_TT_SYNC_MASK);
-
- batadv_dbg(BATADV_DBG_TT, bat_priv,
- "Creating new global tt entry: %pM (vid: %d, via %pM)\n",
-@@ -1959,6 +2015,7 @@ batadv_tt_global_dump_subentry(struct sk_buff *msg, u32 portid, u32 seq,
- struct batadv_tt_orig_list_entry *orig,
- bool best)
- {
-+ u16 flags = (common->flags & (~BATADV_TT_SYNC_MASK)) | orig->flags;
- void *hdr;
- struct batadv_orig_node_vlan *vlan;
- u8 last_ttvn;
-@@ -1988,7 +2045,7 @@ batadv_tt_global_dump_subentry(struct sk_buff *msg, u32 portid, u32 seq,
- nla_put_u8(msg, BATADV_ATTR_TT_LAST_TTVN, last_ttvn) ||
- nla_put_u32(msg, BATADV_ATTR_TT_CRC32, crc) ||
- nla_put_u16(msg, BATADV_ATTR_TT_VID, common->vid) ||
-- nla_put_u32(msg, BATADV_ATTR_TT_FLAGS, common->flags))
-+ nla_put_u32(msg, BATADV_ATTR_TT_FLAGS, flags))
- goto nla_put_failure;
-
- if (best && nla_put_flag(msg, BATADV_ATTR_FLAG_BEST))
-@@ -2602,6 +2659,7 @@ static u32 batadv_tt_global_crc(struct batadv_priv *bat_priv,
- unsigned short vid)
- {
- struct batadv_hashtable *hash = bat_priv->tt.global_hash;
-+ struct batadv_tt_orig_list_entry *tt_orig;
- struct batadv_tt_common_entry *tt_common;
- struct batadv_tt_global_entry *tt_global;
- struct hlist_head *head;
-@@ -2640,8 +2698,9 @@ static u32 batadv_tt_global_crc(struct batadv_priv *bat_priv,
- /* find out if this global entry is announced by this
- * originator
- */
-- if (!batadv_tt_global_entry_has_orig(tt_global,
-- orig_node))
-+ tt_orig = batadv_tt_global_orig_entry_find(tt_global,
-+ orig_node);
-+ if (!tt_orig)
- continue;
-
- /* use network order to read the VID: this ensures that
-@@ -2653,10 +2712,12 @@ static u32 batadv_tt_global_crc(struct batadv_priv *bat_priv,
- /* compute the CRC on flags that have to be kept in sync
- * among nodes
- */
-- flags = tt_common->flags & BATADV_TT_SYNC_MASK;
-+ flags = tt_orig->flags;
- crc_tmp = crc32c(crc_tmp, &flags, sizeof(flags));
-
- crc ^= crc32c(crc_tmp, tt_common->addr, ETH_ALEN);
-+
-+ batadv_tt_orig_list_entry_put(tt_orig);
- }
- rcu_read_unlock();
- }
-@@ -2834,23 +2895,46 @@ unlock:
- }
-
- /**
-- * batadv_tt_local_valid - verify that given tt entry is a valid one
-+ * batadv_tt_local_valid() - verify local tt entry and get flags
- * @entry_ptr: to be checked local tt entry
- * @data_ptr: not used but definition required to satisfy the callback prototype
-+ * @flags: a pointer to store TT flags for this client to
-+ *
-+ * Checks the validity of the given local TT entry. If it is, then the provided
-+ * flags pointer is updated.
- *
- * Return: true if the entry is a valid, false otherwise.
- */
--static bool batadv_tt_local_valid(const void *entry_ptr, const void *data_ptr)
-+static bool batadv_tt_local_valid(const void *entry_ptr,
-+ const void *data_ptr,
-+ u8 *flags)
- {
- const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
-
- if (tt_common_entry->flags & BATADV_TT_CLIENT_NEW)
- return false;
-+
-+ if (flags)
-+ *flags = tt_common_entry->flags;
-+
- return true;
- }
-
-+/**
-+ * batadv_tt_global_valid() - verify global tt entry and get flags
-+ * @entry_ptr: to be checked global tt entry
-+ * @data_ptr: an orig_node object (may be NULL)
-+ * @flags: a pointer to store TT flags for this client to
-+ *
-+ * Checks the validity of the given global TT entry. If it is, then the provided
-+ * flags pointer is updated either with the common (summed) TT flags if data_ptr
-+ * is NULL or the specific, per originator TT flags otherwise.
-+ *
-+ * Return: true if the entry is a valid, false otherwise.
-+ */
- static bool batadv_tt_global_valid(const void *entry_ptr,
-- const void *data_ptr)
-+ const void *data_ptr,
-+ u8 *flags)
- {
- const struct batadv_tt_common_entry *tt_common_entry = entry_ptr;
- const struct batadv_tt_global_entry *tt_global_entry;
-@@ -2864,7 +2948,8 @@ static bool batadv_tt_global_valid(const void *entry_ptr,
- struct batadv_tt_global_entry,
- common);
-
-- return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node);
-+ return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node,
-+ flags);
- }
-
- /**
-@@ -2874,25 +2959,34 @@ static bool batadv_tt_global_valid(const void *entry_ptr,
- * @hash: hash table containing the tt entries
- * @tt_len: expected tvlv tt data buffer length in number of bytes
- * @tvlv_buff: pointer to the buffer to fill with the TT data
-- * @valid_cb: function to filter tt change entries
-+ * @valid_cb: function to filter tt change entries and to return TT flags
- * @cb_data: data passed to the filter function as argument
-+ *
-+ * Fills the tvlv buff with the tt entries from the specified hash. If valid_cb
-+ * is not provided then this becomes a no-op.
- */
- static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv,
- struct batadv_hashtable *hash,
- void *tvlv_buff, u16 tt_len,
- bool (*valid_cb)(const void *,
-- const void *),
-+ const void *,
-+ u8 *flags),
- void *cb_data)
- {
- struct batadv_tt_common_entry *tt_common_entry;
- struct batadv_tvlv_tt_change *tt_change;
- struct hlist_head *head;
- u16 tt_tot, tt_num_entries = 0;
-+ u8 flags;
-+ bool ret;
- u32 i;
-
- tt_tot = batadv_tt_entries(tt_len);
- tt_change = (struct batadv_tvlv_tt_change *)tvlv_buff;
-
-+ if (!valid_cb)
-+ return;
-+
- rcu_read_lock();
- for (i = 0; i < hash->size; i++) {
- head = &hash->table[i];
-@@ -2902,11 +2996,12 @@ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv,
- if (tt_tot == tt_num_entries)
- break;
-
-- if ((valid_cb) && (!valid_cb(tt_common_entry, cb_data)))
-+ ret = valid_cb(tt_common_entry, cb_data, &flags);
-+ if (!ret)
- continue;
-
- ether_addr_copy(tt_change->addr, tt_common_entry->addr);
-- tt_change->flags = tt_common_entry->flags;
-+ tt_change->flags = flags;
- tt_change->vid = htons(tt_common_entry->vid);
- memset(tt_change->reserved, 0,
- sizeof(tt_change->reserved));
-diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
-index b3dd1a381aad..c17b74e51fe9 100644
---- a/net/batman-adv/types.h
-+++ b/net/batman-adv/types.h
-@@ -27,6 +27,7 @@
- #include <linux/compiler.h>
- #include <linux/if_ether.h>
- #include <linux/kref.h>
-+#include <linux/mutex.h>
- #include <linux/netdevice.h>
- #include <linux/netlink.h>
- #include <linux/sched.h> /* for linux/wait.h */
-@@ -81,11 +82,13 @@ enum batadv_dhcp_recipient {
- * @ogm_buff: buffer holding the OGM packet
- * @ogm_buff_len: length of the OGM packet buffer
- * @ogm_seqno: OGM sequence number - used to identify each OGM
-+ * @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len
- */
- struct batadv_hard_iface_bat_iv {
- unsigned char *ogm_buff;
- int ogm_buff_len;
- atomic_t ogm_seqno;
-+ struct mutex ogm_buff_mutex;
- };
-
- /**
-@@ -139,7 +142,7 @@ struct batadv_hard_iface_bat_v {
- */
- struct batadv_hard_iface {
- struct list_head list;
-- s16 if_num;
-+ unsigned int if_num;
- char if_status;
- struct net_device *net_dev;
- u8 num_bcasts;
-@@ -966,12 +969,14 @@ struct batadv_softif_vlan {
- * @ogm_buff: buffer holding the OGM packet
- * @ogm_buff_len: length of the OGM packet buffer
- * @ogm_seqno: OGM sequence number - used to identify each OGM
-+ * @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len
- * @ogm_wq: workqueue used to schedule OGM transmissions
- */
- struct batadv_priv_bat_v {
- unsigned char *ogm_buff;
- int ogm_buff_len;
- atomic_t ogm_seqno;
-+ struct mutex ogm_buff_mutex;
- struct delayed_work ogm_wq;
- };
-
-@@ -1060,7 +1065,7 @@ struct batadv_priv {
- atomic_t bcast_seqno;
- atomic_t bcast_queue_left;
- atomic_t batman_queue_left;
-- char num_ifaces;
-+ unsigned int num_ifaces;
- struct kobject *mesh_obj;
- struct dentry *debug_dir;
- struct hlist_head forw_bat_list;
-@@ -1241,6 +1246,7 @@ struct batadv_tt_global_entry {
- * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client
- * @orig_node: pointer to orig node announcing this non-mesh client
- * @ttvn: translation table version number which added the non-mesh client
-+ * @flags: per orig entry TT sync flags
- * @list: list node for batadv_tt_global_entry::orig_list
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in an RCU-safe manner
-@@ -1248,6 +1254,7 @@ struct batadv_tt_global_entry {
- struct batadv_tt_orig_list_entry {
- struct batadv_orig_node *orig_node;
- u8 ttvn;
-+ u8 flags;
- struct hlist_node list;
- struct kref refcount;
- struct rcu_head rcu;
-@@ -1397,6 +1404,7 @@ struct batadv_forw_packet {
- * @activate: start routing mechanisms when hard-interface is brought up
- * (optional)
- * @enable: init routing info when hard-interface is enabled
-+ * @enabled: notification when hard-interface was enabled (optional)
- * @disable: de-init routing info when hard-interface is disabled
- * @update_mac: (re-)init mac addresses of the protocol information
- * belonging to this hard-interface
-@@ -1405,6 +1413,7 @@ struct batadv_forw_packet {
- struct batadv_algo_iface_ops {
- void (*activate)(struct batadv_hard_iface *hard_iface);
- int (*enable)(struct batadv_hard_iface *hard_iface);
-+ void (*enabled)(struct batadv_hard_iface *hard_iface);
- void (*disable)(struct batadv_hard_iface *hard_iface);
- void (*update_mac)(struct batadv_hard_iface *hard_iface);
- void (*primary_set)(struct batadv_hard_iface *hard_iface);
-@@ -1452,9 +1461,10 @@ struct batadv_algo_neigh_ops {
- */
- struct batadv_algo_orig_ops {
- void (*free)(struct batadv_orig_node *orig_node);
-- int (*add_if)(struct batadv_orig_node *orig_node, int max_if_num);
-- int (*del_if)(struct batadv_orig_node *orig_node, int max_if_num,
-- int del_if_num);
-+ int (*add_if)(struct batadv_orig_node *orig_node,
-+ unsigned int max_if_num);
-+ int (*del_if)(struct batadv_orig_node *orig_node,
-+ unsigned int max_if_num, unsigned int del_if_num);
- #ifdef CONFIG_BATMAN_ADV_DEBUGFS
- void (*print)(struct batadv_priv *priv, struct seq_file *seq,
- struct batadv_hard_iface *hard_iface);
-@@ -1466,6 +1476,7 @@ struct batadv_algo_orig_ops {
-
- /**
- * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific)
-+ * @init_sel_class: initialize GW selection class (optional)
- * @store_sel_class: parse and stores a new GW selection class (optional)
- * @show_sel_class: prints the current GW selection class (optional)
- * @get_best_gw_node: select the best GW from the list of available nodes
-@@ -1476,6 +1487,7 @@ struct batadv_algo_orig_ops {
- * @dump: dump gateways to a netlink socket (optional)
- */
- struct batadv_algo_gw_ops {
-+ void (*init_sel_class)(struct batadv_priv *bat_priv);
- ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff,
- size_t count);
- ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff);
-diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
-index 2e4eef71471d..db65b0cdfc4c 100644
---- a/net/core/netclassid_cgroup.c
-+++ b/net/core/netclassid_cgroup.c
-@@ -55,30 +55,60 @@ static void cgrp_css_free(struct cgroup_subsys_state *css)
- kfree(css_cls_state(css));
- }
-
-+/*
-+ * To avoid freezing of sockets creation for tasks with big number of threads
-+ * and opened sockets lets release file_lock every 1000 iterated descriptors.
-+ * New sockets will already have been created with new classid.
-+ */
-+
-+struct update_classid_context {
-+ u32 classid;
-+ unsigned int batch;
-+};
-+
-+#define UPDATE_CLASSID_BATCH 1000
-+
- static int update_classid_sock(const void *v, struct file *file, unsigned n)
- {
- int err;
-+ struct update_classid_context *ctx = (void *)v;
- struct socket *sock = sock_from_file(file, &err);
-
- if (sock) {
- spin_lock(&cgroup_sk_update_lock);
-- sock_cgroup_set_classid(&sock->sk->sk_cgrp_data,
-- (unsigned long)v);
-+ sock_cgroup_set_classid(&sock->sk->sk_cgrp_data, ctx->classid);
- spin_unlock(&cgroup_sk_update_lock);
- }
-+ if (--ctx->batch == 0) {
-+ ctx->batch = UPDATE_CLASSID_BATCH;
-+ return n + 1;
-+ }
- return 0;
- }
-
-+static void update_classid_task(struct task_struct *p, u32 classid)
-+{
-+ struct update_classid_context ctx = {
-+ .classid = classid,
-+ .batch = UPDATE_CLASSID_BATCH
-+ };
-+ unsigned int fd = 0;
-+
-+ do {
-+ task_lock(p);
-+ fd = iterate_fd(p->files, fd, update_classid_sock, &ctx);
-+ task_unlock(p);
-+ cond_resched();
-+ } while (fd);
-+}
-+
- static void cgrp_attach(struct cgroup_taskset *tset)
- {
- struct cgroup_subsys_state *css;
- struct task_struct *p;
-
- cgroup_taskset_for_each(p, css, tset) {
-- task_lock(p);
-- iterate_fd(p->files, 0, update_classid_sock,
-- (void *)(unsigned long)css_cls_state(css)->classid);
-- task_unlock(p);
-+ update_classid_task(p, css_cls_state(css)->classid);
- }
- }
-
-@@ -100,10 +130,7 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft,
-
- css_task_iter_start(css, &it);
- while ((p = css_task_iter_next(&it))) {
-- task_lock(p);
-- iterate_fd(p->files, 0, update_classid_sock,
-- (void *)(unsigned long)cs->classid);
-- task_unlock(p);
-+ update_classid_task(p, cs->classid);
- cond_resched();
- }
- css_task_iter_end(&it);
-diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
-index 35c432668454..040983fc15da 100644
---- a/net/ieee802154/nl_policy.c
-+++ b/net/ieee802154/nl_policy.c
-@@ -30,7 +30,13 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
- [IEEE802154_ATTR_HW_ADDR] = { .type = NLA_HW_ADDR, },
- [IEEE802154_ATTR_PAN_ID] = { .type = NLA_U16, },
- [IEEE802154_ATTR_CHANNEL] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_BCN_ORD] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_SF_ORD] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_PAN_COORD] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_BAT_EXT] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_COORD_REALIGN] = { .type = NLA_U8, },
- [IEEE802154_ATTR_PAGE] = { .type = NLA_U8, },
-+ [IEEE802154_ATTR_DEV_TYPE] = { .type = NLA_U8, },
- [IEEE802154_ATTR_COORD_SHORT_ADDR] = { .type = NLA_U16, },
- [IEEE802154_ATTR_COORD_HW_ADDR] = { .type = NLA_HW_ADDR, },
- [IEEE802154_ATTR_COORD_PAN_ID] = { .type = NLA_U16, },
-diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
-index 71bcab94c5c7..0a6f72763beb 100644
---- a/net/ipv4/cipso_ipv4.c
-+++ b/net/ipv4/cipso_ipv4.c
-@@ -1738,6 +1738,7 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway)
- {
- unsigned char optbuf[sizeof(struct ip_options) + 40];
- struct ip_options *opt = (struct ip_options *)optbuf;
-+ int res;
-
- if (ip_hdr(skb)->protocol == IPPROTO_ICMP || error != -EACCES)
- return;
-@@ -1749,7 +1750,11 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway)
-
- memset(opt, 0, sizeof(struct ip_options));
- opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);
-- if (__ip_options_compile(dev_net(skb->dev), opt, skb, NULL))
-+ rcu_read_lock();
-+ res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL);
-+ rcu_read_unlock();
-+
-+ if (res)
- return;
-
- if (gateway)
-diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c
-index 7efe740c06eb..4a5e55e94a9e 100644
---- a/net/ipv4/gre_demux.c
-+++ b/net/ipv4/gre_demux.c
-@@ -60,7 +60,9 @@ int gre_del_protocol(const struct gre_protocol *proto, u8 version)
- }
- EXPORT_SYMBOL_GPL(gre_del_protocol);
-
--/* Fills in tpi and returns header length to be pulled. */
-+/* Fills in tpi and returns header length to be pulled.
-+ * Note that caller must use pskb_may_pull() before pulling GRE header.
-+ */
- int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
- bool *csum_err, __be16 proto, int nhs)
- {
-@@ -114,8 +116,14 @@ int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
- * - When dealing with WCCPv2, Skip extra 4 bytes in GRE header
- */
- if (greh->flags == 0 && tpi->proto == htons(ETH_P_WCCP)) {
-+ u8 _val, *val;
-+
-+ val = skb_header_pointer(skb, nhs + hdr_len,
-+ sizeof(_val), &_val);
-+ if (!val)
-+ return -EINVAL;
- tpi->proto = proto;
-- if ((*(u8 *)options & 0xF0) != 0x40)
-+ if ((*val & 0xF0) != 0x40)
- hdr_len += 4;
- }
- tpi->hdr_len = hdr_len;
-diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
-index 6b1310d5e808..a4c00242a90b 100644
---- a/net/ipv6/addrconf.c
-+++ b/net/ipv6/addrconf.c
-@@ -3189,6 +3189,10 @@ static void addrconf_dev_config(struct net_device *dev)
- (dev->type != ARPHRD_6LOWPAN) &&
- (dev->type != ARPHRD_NONE)) {
- /* Alas, we support only Ethernet autoconfiguration. */
-+ idev = __in6_dev_get(dev);
-+ if (!IS_ERR_OR_NULL(idev) && dev->flags & IFF_UP &&
-+ dev->flags & IFF_MULTICAST)
-+ ipv6_mc_up(idev);
- return;
- }
-
-diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
-index 81fd35ed8732..1080770b5eaf 100644
---- a/net/ipv6/ipv6_sockglue.c
-+++ b/net/ipv6/ipv6_sockglue.c
-@@ -184,9 +184,15 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
- retv = -EBUSY;
- break;
- }
-- } else if (sk->sk_protocol != IPPROTO_TCP)
-+ } else if (sk->sk_protocol == IPPROTO_TCP) {
-+ if (sk->sk_prot != &tcpv6_prot) {
-+ retv = -EBUSY;
-+ break;
-+ }
- break;
--
-+ } else {
-+ break;
-+ }
- if (sk->sk_state != TCP_ESTABLISHED) {
- retv = -ENOTCONN;
- break;
-diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
-index 74652eb2f90f..a6f265262f15 100644
---- a/net/mac80211/rx.c
-+++ b/net/mac80211/rx.c
-@@ -3841,7 +3841,7 @@ void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata)
-
- lockdep_assert_held(&local->sta_mtx);
-
-- list_for_each_entry_rcu(sta, &local->sta_list, list) {
-+ list_for_each_entry(sta, &local->sta_list, list) {
- if (sdata != sta->sdata &&
- (!sta->sdata->bss || sta->sdata->bss != sdata->bss))
- continue;
-diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
-index 3f499126727c..8396dc8ee247 100644
---- a/net/netfilter/nfnetlink_cthelper.c
-+++ b/net/netfilter/nfnetlink_cthelper.c
-@@ -711,6 +711,8 @@ static const struct nla_policy nfnl_cthelper_policy[NFCTH_MAX+1] = {
- [NFCTH_NAME] = { .type = NLA_NUL_STRING,
- .len = NF_CT_HELPER_NAME_LEN-1 },
- [NFCTH_QUEUE_NUM] = { .type = NLA_U32, },
-+ [NFCTH_PRIV_DATA_LEN] = { .type = NLA_U32, },
-+ [NFCTH_STATUS] = { .type = NLA_U32, },
- };
-
- static const struct nfnl_callback nfnl_cthelper_cb[NFNL_MSG_CTHELPER_MAX] = {
-diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
-index 5a58f9f38095..291f24fef19a 100644
---- a/net/nfc/hci/core.c
-+++ b/net/nfc/hci/core.c
-@@ -193,13 +193,20 @@ exit:
- void nfc_hci_cmd_received(struct nfc_hci_dev *hdev, u8 pipe, u8 cmd,
- struct sk_buff *skb)
- {
-- u8 gate = hdev->pipes[pipe].gate;
- u8 status = NFC_HCI_ANY_OK;
- struct hci_create_pipe_resp *create_info;
- struct hci_delete_pipe_noti *delete_info;
- struct hci_all_pipe_cleared_noti *cleared_info;
-+ u8 gate;
-
-- pr_debug("from gate %x pipe %x cmd %x\n", gate, pipe, cmd);
-+ pr_debug("from pipe %x cmd %x\n", pipe, cmd);
-+
-+ if (pipe >= NFC_HCI_MAX_PIPES) {
-+ status = NFC_HCI_ANY_E_NOK;
-+ goto exit;
-+ }
-+
-+ gate = hdev->pipes[pipe].gate;
-
- switch (cmd) {
- case NFC_HCI_ADM_NOTIFY_PIPE_CREATED:
-@@ -387,8 +394,14 @@ void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
- struct sk_buff *skb)
- {
- int r = 0;
-- u8 gate = hdev->pipes[pipe].gate;
-+ u8 gate;
-+
-+ if (pipe >= NFC_HCI_MAX_PIPES) {
-+ pr_err("Discarded event %x to invalid pipe %x\n", event, pipe);
-+ goto exit;
-+ }
-
-+ gate = hdev->pipes[pipe].gate;
- if (gate == NFC_HCI_INVALID_GATE) {
- pr_err("Discarded event %x to unopened pipe %x\n", event, pipe);
- goto exit;
-diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
-index d3c8dd5dc817..e79a49fe61e8 100644
---- a/net/nfc/netlink.c
-+++ b/net/nfc/netlink.c
-@@ -62,7 +62,10 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
- [NFC_ATTR_LLC_SDP] = { .type = NLA_NESTED },
- [NFC_ATTR_FIRMWARE_NAME] = { .type = NLA_STRING,
- .len = NFC_FIRMWARE_NAME_MAXSIZE },
-+ [NFC_ATTR_SE_INDEX] = { .type = NLA_U32 },
- [NFC_ATTR_SE_APDU] = { .type = NLA_BINARY },
-+ [NFC_ATTR_VENDOR_ID] = { .type = NLA_U32 },
-+ [NFC_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 },
- [NFC_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
-
- };
-diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
-index 7e7eba33bbdb..9f53d4ec0e37 100644
---- a/net/sched/sch_fq.c
-+++ b/net/sched/sch_fq.c
-@@ -697,6 +697,7 @@ static const struct nla_policy fq_policy[TCA_FQ_MAX + 1] = {
- [TCA_FQ_FLOW_MAX_RATE] = { .type = NLA_U32 },
- [TCA_FQ_BUCKETS_LOG] = { .type = NLA_U32 },
- [TCA_FQ_FLOW_REFILL_DELAY] = { .type = NLA_U32 },
-+ [TCA_FQ_ORPHAN_MASK] = { .type = NLA_U32 },
- [TCA_FQ_LOW_RATE_THRESHOLD] = { .type = NLA_U32 },
- };
-
-diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
-index 9823bef65e5e..0048f90944dd 100644
---- a/net/wireless/nl80211.c
-+++ b/net/wireless/nl80211.c
-@@ -359,6 +359,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
- [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED },
- [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
- [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
-+ [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 },
-+ [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG },
- [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
- [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
- [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED },
-@@ -407,6 +409,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
- [NL80211_ATTR_MDID] = { .type = NLA_U16 },
- [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY,
- .len = IEEE80211_MAX_DATA_LEN },
-+ [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 },
-+ [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = { .type = NLA_U16 },
- [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 },
- [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
- [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
-@@ -432,6 +436,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
- [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 },
- [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
- [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
-+ [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
- [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
- [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
- [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
-diff --git a/net/wireless/reg.c b/net/wireless/reg.c
-index 0e66768427ba..6d5f3f737207 100644
---- a/net/wireless/reg.c
-+++ b/net/wireless/reg.c
-@@ -1730,7 +1730,7 @@ static void handle_channel_custom(struct wiphy *wiphy,
- break;
- }
-
-- if (IS_ERR(reg_rule)) {
-+ if (IS_ERR_OR_NULL(reg_rule)) {
- pr_debug("Disabling freq %d MHz as custom regd has no rule that fits it\n",
- chan->center_freq);
- if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) {
next reply other threads:[~2020-03-20 11:53 UTC|newest]
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