From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.19 commit in: /
Date: Sun, 10 Mar 2019 14:15:16 +0000 (UTC) [thread overview]
Message-ID: <1552227297.1d0ba6c74d9dabecc5ab3378f68b3860a5ac86f6.mpagano@gentoo> (raw)
commit: 1d0ba6c74d9dabecc5ab3378f68b3860a5ac86f6
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sun Mar 10 14:14:57 2019 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sun Mar 10 14:14:57 2019 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=1d0ba6c7
proj/linux-patches: Linux patch 4.19.28
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1027_linux-4.19.28.patch | 2598 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 2602 insertions(+)
diff --git a/0000_README b/0000_README
index 2190cb3..292278e 100644
--- a/0000_README
+++ b/0000_README
@@ -151,6 +151,10 @@ Patch: 1026_linux-4.19.27.patch
From: http://www.kernel.org
Desc: Linux 4.19.27
+Patch: 1027_linux-4.19.28.patch
+From: http://www.kernel.org
+Desc: Linux 4.19.28
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1027_linux-4.19.28.patch b/1027_linux-4.19.28.patch
new file mode 100644
index 0000000..c2e1d84
--- /dev/null
+++ b/1027_linux-4.19.28.patch
@@ -0,0 +1,2598 @@
+diff --git a/Makefile b/Makefile
+index 70ed9a53558a5..c6ac023ba33a5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 27
++SUBLEVEL = 28
+ EXTRAVERSION =
+ NAME = "People's Front"
+
+diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
+index ba150c755fcce..85b6c60f285d2 100644
+--- a/arch/mips/kernel/irq.c
++++ b/arch/mips/kernel/irq.c
+@@ -52,6 +52,7 @@ asmlinkage void spurious_interrupt(void)
+ void __init init_IRQ(void)
+ {
+ int i;
++ unsigned int order = get_order(IRQ_STACK_SIZE);
+
+ for (i = 0; i < NR_IRQS; i++)
+ irq_set_noprobe(i);
+@@ -62,8 +63,7 @@ void __init init_IRQ(void)
+ arch_init_irq();
+
+ for_each_possible_cpu(i) {
+- int irq_pages = IRQ_STACK_SIZE / PAGE_SIZE;
+- void *s = (void *)__get_free_pages(GFP_KERNEL, irq_pages);
++ void *s = (void *)__get_free_pages(GFP_KERNEL, order);
+
+ irq_stack[i] = s;
+ pr_debug("CPU%d IRQ stack at 0x%p - 0x%p\n", i,
+diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c
+index 9e21573714910..f8debf7aeb4c1 100644
+--- a/arch/x86/boot/compressed/pgtable_64.c
++++ b/arch/x86/boot/compressed/pgtable_64.c
+@@ -1,5 +1,7 @@
++#include <linux/efi.h>
+ #include <asm/e820/types.h>
+ #include <asm/processor.h>
++#include <asm/efi.h>
+ #include "pgtable.h"
+ #include "../string.h"
+
+@@ -37,9 +39,10 @@ int cmdline_find_option_bool(const char *option);
+
+ static unsigned long find_trampoline_placement(void)
+ {
+- unsigned long bios_start, ebda_start;
++ unsigned long bios_start = 0, ebda_start = 0;
+ unsigned long trampoline_start;
+ struct boot_e820_entry *entry;
++ char *signature;
+ int i;
+
+ /*
+@@ -47,8 +50,18 @@ static unsigned long find_trampoline_placement(void)
+ * This code is based on reserve_bios_regions().
+ */
+
+- ebda_start = *(unsigned short *)0x40e << 4;
+- bios_start = *(unsigned short *)0x413 << 10;
++ /*
++ * EFI systems may not provide legacy ROM. The memory may not be mapped
++ * at all.
++ *
++ * Only look for values in the legacy ROM for non-EFI system.
++ */
++ signature = (char *)&boot_params->efi_info.efi_loader_signature;
++ if (strncmp(signature, EFI32_LOADER_SIGNATURE, 4) &&
++ strncmp(signature, EFI64_LOADER_SIGNATURE, 4)) {
++ ebda_start = *(unsigned short *)0x40e << 4;
++ bios_start = *(unsigned short *)0x413 << 10;
++ }
+
+ if (bios_start < BIOS_START_MIN || bios_start > BIOS_START_MAX)
+ bios_start = BIOS_START_MAX;
+diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
+index eeea634bee0a7..6a25278e00929 100644
+--- a/arch/x86/kernel/cpu/amd.c
++++ b/arch/x86/kernel/cpu/amd.c
+@@ -818,11 +818,9 @@ static void init_amd_bd(struct cpuinfo_x86 *c)
+ static void init_amd_zn(struct cpuinfo_x86 *c)
+ {
+ set_cpu_cap(c, X86_FEATURE_ZEN);
+- /*
+- * Fix erratum 1076: CPB feature bit not being set in CPUID. It affects
+- * all up to and including B1.
+- */
+- if (c->x86_model <= 1 && c->x86_stepping <= 1)
++
++ /* Fix erratum 1076: CPB feature bit not being set in CPUID. */
++ if (!cpu_has(c, X86_FEATURE_CPB))
+ set_cpu_cap(c, X86_FEATURE_CPB);
+ }
+
+diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
+index 4bb68133a72af..5a0e0bd68b769 100644
+--- a/arch/xtensa/kernel/process.c
++++ b/arch/xtensa/kernel/process.c
+@@ -320,8 +320,8 @@ unsigned long get_wchan(struct task_struct *p)
+
+ /* Stack layout: sp-4: ra, sp-3: sp' */
+
+- pc = MAKE_PC_FROM_RA(*(unsigned long*)sp - 4, sp);
+- sp = *(unsigned long *)sp - 3;
++ pc = MAKE_PC_FROM_RA(SPILL_SLOT(sp, 0), sp);
++ sp = SPILL_SLOT(sp, 1);
+ } while (count++ < 16);
+ return 0;
+ }
+diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
+index 7f9ea8e4c1b22..1342f8e6025cc 100644
+--- a/drivers/bluetooth/btrtl.c
++++ b/drivers/bluetooth/btrtl.c
+@@ -544,10 +544,9 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
+ hdev->bus);
+
+ if (!btrtl_dev->ic_info) {
+- rtl_dev_err(hdev, "rtl: unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x",
++ rtl_dev_info(hdev, "rtl: unknown IC info, lmp subver %04x, hci rev %04x, hci ver %04x",
+ lmp_subver, hci_rev, hci_ver);
+- ret = -EINVAL;
+- goto err_free;
++ return btrtl_dev;
+ }
+
+ if (btrtl_dev->ic_info->has_rom_version) {
+@@ -602,6 +601,11 @@ int btrtl_download_firmware(struct hci_dev *hdev,
+ * standard btusb. Once that firmware is uploaded, the subver changes
+ * to a different value.
+ */
++ if (!btrtl_dev->ic_info) {
++ rtl_dev_info(hdev, "rtl: assuming no firmware upload needed\n");
++ return 0;
++ }
++
+ switch (btrtl_dev->ic_info->lmp_subver) {
+ case RTL_ROM_LMP_8723A:
+ case RTL_ROM_LMP_3499:
+diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
+index c0a5b1f3a9863..4ccc39e00ced3 100644
+--- a/drivers/char/applicom.c
++++ b/drivers/char/applicom.c
+@@ -32,6 +32,7 @@
+ #include <linux/wait.h>
+ #include <linux/init.h>
+ #include <linux/fs.h>
++#include <linux/nospec.h>
+
+ #include <asm/io.h>
+ #include <linux/uaccess.h>
+@@ -386,7 +387,11 @@ static ssize_t ac_write(struct file *file, const char __user *buf, size_t count,
+ TicCard = st_loc.tic_des_from_pc; /* tic number to send */
+ IndexCard = NumCard - 1;
+
+- if((NumCard < 1) || (NumCard > MAX_BOARD) || !apbs[IndexCard].RamIO)
++ if (IndexCard >= MAX_BOARD)
++ return -EINVAL;
++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD);
++
++ if (!apbs[IndexCard].RamIO)
+ return -EINVAL;
+
+ #ifdef DEBUG
+@@ -697,6 +702,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ unsigned char IndexCard;
+ void __iomem *pmem;
+ int ret = 0;
++ static int warncount = 10;
+ volatile unsigned char byte_reset_it;
+ struct st_ram_io *adgl;
+ void __user *argp = (void __user *)arg;
+@@ -711,16 +717,12 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ mutex_lock(&ac_mutex);
+ IndexCard = adgl->num_card-1;
+
+- if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
+- static int warncount = 10;
+- if (warncount) {
+- printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1);
+- warncount--;
+- }
+- kfree(adgl);
+- mutex_unlock(&ac_mutex);
+- return -EINVAL;
+- }
++ if (cmd != 6 && IndexCard >= MAX_BOARD)
++ goto err;
++ IndexCard = array_index_nospec(IndexCard, MAX_BOARD);
++
++ if (cmd != 6 && !apbs[IndexCard].RamIO)
++ goto err;
+
+ switch (cmd) {
+
+@@ -838,5 +840,16 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ kfree(adgl);
+ mutex_unlock(&ac_mutex);
+ return 0;
++
++err:
++ if (warncount) {
++ pr_warn("APPLICOM driver IOCTL, bad board number %d\n",
++ (int)IndexCard + 1);
++ warncount--;
++ }
++ kfree(adgl);
++ mutex_unlock(&ac_mutex);
++ return -EINVAL;
++
+ }
+
+diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
+index b100260b6ed2e..505c9a55d5551 100644
+--- a/drivers/cpufreq/cpufreq.c
++++ b/drivers/cpufreq/cpufreq.c
+@@ -545,13 +545,13 @@ EXPORT_SYMBOL_GPL(cpufreq_policy_transition_delay_us);
+ * SYSFS INTERFACE *
+ *********************************************************************/
+ static ssize_t show_boost(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ return sprintf(buf, "%d\n", cpufreq_driver->boost_enabled);
+ }
+
+-static ssize_t store_boost(struct kobject *kobj, struct attribute *attr,
+- const char *buf, size_t count)
++static ssize_t store_boost(struct kobject *kobj, struct kobj_attribute *attr,
++ const char *buf, size_t count)
+ {
+ int ret, enable;
+
+diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
+index b6a1aadaff9f3..a005711f909ea 100644
+--- a/drivers/cpufreq/intel_pstate.c
++++ b/drivers/cpufreq/intel_pstate.c
+@@ -833,7 +833,7 @@ static void intel_pstate_update_policies(void)
+ /************************** sysfs begin ************************/
+ #define show_one(file_name, object) \
+ static ssize_t show_##file_name \
+- (struct kobject *kobj, struct attribute *attr, char *buf) \
++ (struct kobject *kobj, struct kobj_attribute *attr, char *buf) \
+ { \
+ return sprintf(buf, "%u\n", global.object); \
+ }
+@@ -842,7 +842,7 @@ static ssize_t intel_pstate_show_status(char *buf);
+ static int intel_pstate_update_status(const char *buf, size_t size);
+
+ static ssize_t show_status(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ ssize_t ret;
+
+@@ -853,7 +853,7 @@ static ssize_t show_status(struct kobject *kobj,
+ return ret;
+ }
+
+-static ssize_t store_status(struct kobject *a, struct attribute *b,
++static ssize_t store_status(struct kobject *a, struct kobj_attribute *b,
+ const char *buf, size_t count)
+ {
+ char *p = memchr(buf, '\n', count);
+@@ -867,7 +867,7 @@ static ssize_t store_status(struct kobject *a, struct attribute *b,
+ }
+
+ static ssize_t show_turbo_pct(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ struct cpudata *cpu;
+ int total, no_turbo, turbo_pct;
+@@ -893,7 +893,7 @@ static ssize_t show_turbo_pct(struct kobject *kobj,
+ }
+
+ static ssize_t show_num_pstates(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ struct cpudata *cpu;
+ int total;
+@@ -914,7 +914,7 @@ static ssize_t show_num_pstates(struct kobject *kobj,
+ }
+
+ static ssize_t show_no_turbo(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ ssize_t ret;
+
+@@ -936,7 +936,7 @@ static ssize_t show_no_turbo(struct kobject *kobj,
+ return ret;
+ }
+
+-static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
++static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b,
+ const char *buf, size_t count)
+ {
+ unsigned int input;
+@@ -983,7 +983,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
+ return count;
+ }
+
+-static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
++static ssize_t store_max_perf_pct(struct kobject *a, struct kobj_attribute *b,
+ const char *buf, size_t count)
+ {
+ unsigned int input;
+@@ -1013,7 +1013,7 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
+ return count;
+ }
+
+-static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
++static ssize_t store_min_perf_pct(struct kobject *a, struct kobj_attribute *b,
+ const char *buf, size_t count)
+ {
+ unsigned int input;
+@@ -1045,12 +1045,13 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
+ }
+
+ static ssize_t show_hwp_dynamic_boost(struct kobject *kobj,
+- struct attribute *attr, char *buf)
++ struct kobj_attribute *attr, char *buf)
+ {
+ return sprintf(buf, "%u\n", hwp_boost);
+ }
+
+-static ssize_t store_hwp_dynamic_boost(struct kobject *a, struct attribute *b,
++static ssize_t store_hwp_dynamic_boost(struct kobject *a,
++ struct kobj_attribute *b,
+ const char *buf, size_t count)
+ {
+ unsigned int input;
+diff --git a/drivers/gnss/sirf.c b/drivers/gnss/sirf.c
+index 2c22836d3ffd5..4596fde16dfe6 100644
+--- a/drivers/gnss/sirf.c
++++ b/drivers/gnss/sirf.c
+@@ -310,30 +310,26 @@ static int sirf_probe(struct serdev_device *serdev)
+ ret = -ENODEV;
+ goto err_put_device;
+ }
++
++ ret = regulator_enable(data->vcc);
++ if (ret)
++ goto err_put_device;
++
++ /* Wait for chip to boot into hibernate mode. */
++ msleep(SIRF_BOOT_DELAY);
+ }
+
+ if (data->wakeup) {
+ ret = gpiod_to_irq(data->wakeup);
+ if (ret < 0)
+- goto err_put_device;
+-
++ goto err_disable_vcc;
+ data->irq = ret;
+
+- ret = devm_request_threaded_irq(dev, data->irq, NULL,
+- sirf_wakeup_handler,
++ ret = request_threaded_irq(data->irq, NULL, sirf_wakeup_handler,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ "wakeup", data);
+ if (ret)
+- goto err_put_device;
+- }
+-
+- if (data->on_off) {
+- ret = regulator_enable(data->vcc);
+- if (ret)
+- goto err_put_device;
+-
+- /* Wait for chip to boot into hibernate mode */
+- msleep(SIRF_BOOT_DELAY);
++ goto err_disable_vcc;
+ }
+
+ if (IS_ENABLED(CONFIG_PM)) {
+@@ -342,7 +338,7 @@ static int sirf_probe(struct serdev_device *serdev)
+ } else {
+ ret = sirf_runtime_resume(dev);
+ if (ret < 0)
+- goto err_disable_vcc;
++ goto err_free_irq;
+ }
+
+ ret = gnss_register_device(gdev);
+@@ -356,6 +352,9 @@ err_disable_rpm:
+ pm_runtime_disable(dev);
+ else
+ sirf_runtime_suspend(dev);
++err_free_irq:
++ if (data->wakeup)
++ free_irq(data->irq, data);
+ err_disable_vcc:
+ if (data->on_off)
+ regulator_disable(data->vcc);
+@@ -376,6 +375,9 @@ static void sirf_remove(struct serdev_device *serdev)
+ else
+ sirf_runtime_suspend(&serdev->dev);
+
++ if (data->wakeup)
++ free_irq(data->irq, data);
++
+ if (data->on_off)
+ regulator_disable(data->vcc);
+
+diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
+index 9f697a5b8e3df..c078c791f481a 100644
+--- a/drivers/net/dsa/mv88e6xxx/chip.c
++++ b/drivers/net/dsa/mv88e6xxx/chip.c
+@@ -884,7 +884,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
+ default:
+ return U64_MAX;
+ }
+- value = (((u64)high) << 16) | low;
++ value = (((u64)high) << 32) | low;
+ return value;
+ }
+
+@@ -3070,7 +3070,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
+ .port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
+ .port_link_state = mv88e6352_port_link_state,
+ .port_get_cmode = mv88e6185_port_get_cmode,
+- .stats_snapshot = mv88e6320_g1_stats_snapshot,
++ .stats_snapshot = mv88e6xxx_g1_stats_snapshot,
+ .stats_set_histogram = mv88e6095_g1_stats_set_histogram,
+ .stats_get_sset_count = mv88e6095_stats_get_sset_count,
+ .stats_get_strings = mv88e6095_stats_get_strings,
+@@ -4188,7 +4188,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6190",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .num_gpio = 16,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+@@ -4211,7 +4211,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6190X",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .num_gpio = 16,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+@@ -4234,7 +4234,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6191",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+ .phy_base_addr = 0x0,
+@@ -4281,7 +4281,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6290",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .num_gpio = 16,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+@@ -4443,7 +4443,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6390",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .num_gpio = 16,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+@@ -4466,7 +4466,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
+ .name = "Marvell 88E6390X",
+ .num_databases = 4096,
+ .num_ports = 11, /* 10 + Z80 */
+- .num_internal_phys = 11,
++ .num_internal_phys = 9,
+ .num_gpio = 16,
+ .max_vid = 8191,
+ .port_base_addr = 0x0,
+@@ -4561,6 +4561,14 @@ static int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip,
+ return 0;
+ }
+
++static void mv88e6xxx_ports_cmode_init(struct mv88e6xxx_chip *chip)
++{
++ int i;
++
++ for (i = 0; i < mv88e6xxx_num_ports(chip); i++)
++ chip->ports[i].cmode = MV88E6XXX_PORT_STS_CMODE_INVALID;
++}
++
+ static enum dsa_tag_protocol mv88e6xxx_get_tag_protocol(struct dsa_switch *ds,
+ int port)
+ {
+@@ -4597,6 +4605,8 @@ static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
+ if (err)
+ goto free;
+
++ mv88e6xxx_ports_cmode_init(chip);
++
+ mutex_lock(&chip->reg_lock);
+ err = mv88e6xxx_switch_reset(chip);
+ mutex_unlock(&chip->reg_lock);
+diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
+index 92945841c8e88..7fffce734f0a5 100644
+--- a/drivers/net/dsa/mv88e6xxx/port.c
++++ b/drivers/net/dsa/mv88e6xxx/port.c
+@@ -190,7 +190,7 @@ int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup)
+ /* normal duplex detection */
+ break;
+ default:
+- return -EINVAL;
++ return -EOPNOTSUPP;
+ }
+
+ err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
+@@ -374,6 +374,10 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
+ cmode = 0;
+ }
+
++ /* cmode doesn't change, nothing to do for us */
++ if (cmode == chip->ports[port].cmode)
++ return 0;
++
+ lane = mv88e6390x_serdes_get_lane(chip, port);
+ if (lane < 0)
+ return lane;
+@@ -384,7 +388,7 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
+ return err;
+ }
+
+- err = mv88e6390_serdes_power(chip, port, false);
++ err = mv88e6390x_serdes_power(chip, port, false);
+ if (err)
+ return err;
+
+@@ -400,7 +404,7 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
+ if (err)
+ return err;
+
+- err = mv88e6390_serdes_power(chip, port, true);
++ err = mv88e6390x_serdes_power(chip, port, true);
+ if (err)
+ return err;
+
+diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
+index b31910023bb64..95b59f5eb3931 100644
+--- a/drivers/net/dsa/mv88e6xxx/port.h
++++ b/drivers/net/dsa/mv88e6xxx/port.h
+@@ -52,6 +52,7 @@
+ #define MV88E6185_PORT_STS_CMODE_1000BASE_X 0x0005
+ #define MV88E6185_PORT_STS_CMODE_PHY 0x0006
+ #define MV88E6185_PORT_STS_CMODE_DISABLED 0x0007
++#define MV88E6XXX_PORT_STS_CMODE_INVALID 0xff
+
+ /* Offset 0x01: MAC (or PCS or Physical) Control Register */
+ #define MV88E6XXX_PORT_MAC_CTL 0x01
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+index 034f57500f00e..1fdaf86bbe8fb 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+@@ -463,6 +463,12 @@ normal_tx:
+ }
+
+ length >>= 9;
++ if (unlikely(length >= ARRAY_SIZE(bnxt_lhint_arr))) {
++ dev_warn_ratelimited(&pdev->dev, "Dropped oversize %d bytes TX packet.\n",
++ skb->len);
++ i = 0;
++ goto tx_dma_error;
++ }
+ flags |= bnxt_lhint_arr[length];
+ txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
+
+diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
+index ae2f35039343b..1485f66cf7b0c 100644
+--- a/drivers/net/ethernet/marvell/sky2.c
++++ b/drivers/net/ethernet/marvell/sky2.c
+@@ -46,6 +46,7 @@
+ #include <linux/mii.h>
+ #include <linux/of_device.h>
+ #include <linux/of_net.h>
++#include <linux/dmi.h>
+
+ #include <asm/irq.h>
+
+@@ -93,7 +94,7 @@ static int copybreak __read_mostly = 128;
+ module_param(copybreak, int, 0);
+ MODULE_PARM_DESC(copybreak, "Receive copy threshold");
+
+-static int disable_msi = 0;
++static int disable_msi = -1;
+ module_param(disable_msi, int, 0);
+ MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
+
+@@ -4931,6 +4932,24 @@ static const char *sky2_name(u8 chipid, char *buf, int sz)
+ return buf;
+ }
+
++static const struct dmi_system_id msi_blacklist[] = {
++ {
++ .ident = "Dell Inspiron 1545",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1545"),
++ },
++ },
++ {
++ .ident = "Gateway P-79",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Gateway"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "P-79"),
++ },
++ },
++ {}
++};
++
+ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ {
+ struct net_device *dev, *dev1;
+@@ -5042,6 +5061,9 @@ static int sky2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ goto err_out_free_pci;
+ }
+
++ if (disable_msi == -1)
++ disable_msi = !!dmi_check_system(msi_blacklist);
++
+ if (!disable_msi && pci_enable_msi(pdev) == 0) {
+ err = sky2_test_msi(hw);
+ if (err) {
+diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
+index 42f5bfa33694c..de5a6abda7e3f 100644
+--- a/drivers/net/ethernet/microchip/lan743x_main.c
++++ b/drivers/net/ethernet/microchip/lan743x_main.c
+@@ -1403,7 +1403,8 @@ static int lan743x_tx_frame_start(struct lan743x_tx *tx,
+ }
+
+ static void lan743x_tx_frame_add_lso(struct lan743x_tx *tx,
+- unsigned int frame_length)
++ unsigned int frame_length,
++ int nr_frags)
+ {
+ /* called only from within lan743x_tx_xmit_frame.
+ * assuming tx->ring_lock has already been acquired.
+@@ -1413,6 +1414,10 @@ static void lan743x_tx_frame_add_lso(struct lan743x_tx *tx,
+
+ /* wrap up previous descriptor */
+ tx->frame_data0 |= TX_DESC_DATA0_EXT_;
++ if (nr_frags <= 0) {
++ tx->frame_data0 |= TX_DESC_DATA0_LS_;
++ tx->frame_data0 |= TX_DESC_DATA0_IOC_;
++ }
+ tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail];
+ tx_descriptor->data0 = tx->frame_data0;
+
+@@ -1517,8 +1522,11 @@ static void lan743x_tx_frame_end(struct lan743x_tx *tx,
+ u32 tx_tail_flags = 0;
+
+ /* wrap up previous descriptor */
+- tx->frame_data0 |= TX_DESC_DATA0_LS_;
+- tx->frame_data0 |= TX_DESC_DATA0_IOC_;
++ if ((tx->frame_data0 & TX_DESC_DATA0_DTYPE_MASK_) ==
++ TX_DESC_DATA0_DTYPE_DATA_) {
++ tx->frame_data0 |= TX_DESC_DATA0_LS_;
++ tx->frame_data0 |= TX_DESC_DATA0_IOC_;
++ }
+
+ tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail];
+ buffer_info = &tx->buffer_info[tx->frame_tail];
+@@ -1603,7 +1611,7 @@ static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx,
+ }
+
+ if (gso)
+- lan743x_tx_frame_add_lso(tx, frame_length);
++ lan743x_tx_frame_add_lso(tx, frame_length, nr_frags);
+
+ if (nr_frags <= 0)
+ goto finish;
+diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
+index 01711e6e9a394..e1427b56a073a 100644
+--- a/drivers/net/geneve.c
++++ b/drivers/net/geneve.c
+@@ -636,15 +636,20 @@ out:
+ static int geneve_open(struct net_device *dev)
+ {
+ struct geneve_dev *geneve = netdev_priv(dev);
+- bool ipv6 = !!(geneve->info.mode & IP_TUNNEL_INFO_IPV6);
+ bool metadata = geneve->collect_md;
++ bool ipv4, ipv6;
+ int ret = 0;
+
++ ipv6 = geneve->info.mode & IP_TUNNEL_INFO_IPV6 || metadata;
++ ipv4 = !ipv6 || metadata;
+ #if IS_ENABLED(CONFIG_IPV6)
+- if (ipv6 || metadata)
++ if (ipv6) {
+ ret = geneve_sock_add(geneve, true);
++ if (ret < 0 && ret != -EAFNOSUPPORT)
++ ipv4 = false;
++ }
+ #endif
+- if (!ret && (!ipv6 || metadata))
++ if (ipv4)
+ ret = geneve_sock_add(geneve, false);
+ if (ret < 0)
+ geneve_sock_release(geneve);
+diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
+index c9e2a986ccb72..c8320405c8f1d 100644
+--- a/drivers/net/hyperv/netvsc_drv.c
++++ b/drivers/net/hyperv/netvsc_drv.c
+@@ -743,6 +743,14 @@ void netvsc_linkstatus_callback(struct net_device *net,
+ schedule_delayed_work(&ndev_ctx->dwork, 0);
+ }
+
++static void netvsc_comp_ipcsum(struct sk_buff *skb)
++{
++ struct iphdr *iph = (struct iphdr *)skb->data;
++
++ iph->check = 0;
++ iph->check = ip_fast_csum(iph, iph->ihl);
++}
++
+ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net,
+ struct napi_struct *napi,
+ const struct ndis_tcp_ip_checksum_info *csum_info,
+@@ -766,9 +774,17 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net,
+ /* skb is already created with CHECKSUM_NONE */
+ skb_checksum_none_assert(skb);
+
+- /*
+- * In Linux, the IP checksum is always checked.
+- * Do L4 checksum offload if enabled and present.
++ /* Incoming packets may have IP header checksum verified by the host.
++ * They may not have IP header checksum computed after coalescing.
++ * We compute it here if the flags are set, because on Linux, the IP
++ * checksum is always checked.
++ */
++ if (csum_info && csum_info->receive.ip_checksum_value_invalid &&
++ csum_info->receive.ip_checksum_succeeded &&
++ skb->protocol == htons(ETH_P_IP))
++ netvsc_comp_ipcsum(skb);
++
++ /* Do L4 checksum offload if enabled and present.
+ */
+ if (csum_info && (net->features & NETIF_F_RXCSUM)) {
+ if (csum_info->receive.tcp_checksum_succeeded ||
+diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
+index 3db06b40580d3..05a6ae32ff652 100644
+--- a/drivers/net/phy/micrel.c
++++ b/drivers/net/phy/micrel.c
+@@ -339,6 +339,17 @@ static int ksz8041_config_aneg(struct phy_device *phydev)
+ return genphy_config_aneg(phydev);
+ }
+
++static int ksz8061_config_init(struct phy_device *phydev)
++{
++ int ret;
++
++ ret = phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_DEVID1, 0xB61A);
++ if (ret)
++ return ret;
++
++ return kszphy_config_init(phydev);
++}
++
+ static int ksz9021_load_values_from_of(struct phy_device *phydev,
+ const struct device_node *of_node,
+ u16 reg,
+@@ -934,7 +945,7 @@ static struct phy_driver ksphy_driver[] = {
+ .phy_id_mask = MICREL_PHY_ID_MASK,
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+- .config_init = kszphy_config_init,
++ .config_init = ksz8061_config_init,
+ .ack_interrupt = kszphy_ack_interrupt,
+ .config_intr = kszphy_config_intr,
+ .suspend = genphy_suspend,
+diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
+index 2787e8b1d668a..f6e70f2dfd12b 100644
+--- a/drivers/net/phy/phylink.c
++++ b/drivers/net/phy/phylink.c
+@@ -348,6 +348,10 @@ static int phylink_get_mac_state(struct phylink *pl, struct phylink_link_state *
+ linkmode_zero(state->lp_advertising);
+ state->interface = pl->link_config.interface;
+ state->an_enabled = pl->link_config.an_enabled;
++ state->speed = SPEED_UNKNOWN;
++ state->duplex = DUPLEX_UNKNOWN;
++ state->pause = MLO_PAUSE_NONE;
++ state->an_complete = 0;
+ state->link = 1;
+
+ return pl->ops->mac_link_state(ndev, state);
+diff --git a/drivers/net/team/team_mode_loadbalance.c b/drivers/net/team/team_mode_loadbalance.c
+index a5ef97010eb34..5541e1c19936c 100644
+--- a/drivers/net/team/team_mode_loadbalance.c
++++ b/drivers/net/team/team_mode_loadbalance.c
+@@ -325,6 +325,20 @@ static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx)
+ return 0;
+ }
+
++static void lb_bpf_func_free(struct team *team)
++{
++ struct lb_priv *lb_priv = get_lb_priv(team);
++ struct bpf_prog *fp;
++
++ if (!lb_priv->ex->orig_fprog)
++ return;
++
++ __fprog_destroy(lb_priv->ex->orig_fprog);
++ fp = rcu_dereference_protected(lb_priv->fp,
++ lockdep_is_held(&team->lock));
++ bpf_prog_destroy(fp);
++}
++
+ static int lb_tx_method_get(struct team *team, struct team_gsetter_ctx *ctx)
+ {
+ struct lb_priv *lb_priv = get_lb_priv(team);
+@@ -639,6 +653,7 @@ static void lb_exit(struct team *team)
+
+ team_options_unregister(team, lb_options,
+ ARRAY_SIZE(lb_options));
++ lb_bpf_func_free(team);
+ cancel_delayed_work_sync(&lb_priv->ex->stats.refresh_dw);
+ free_percpu(lb_priv->pcpu_stats);
+ kfree(lb_priv->ex);
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index 65844f28db30e..f3293355c7849 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -2122,9 +2122,9 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
+ }
+
+ add_wait_queue(&tfile->wq.wait, &wait);
+- current->state = TASK_INTERRUPTIBLE;
+
+ while (1) {
++ set_current_state(TASK_INTERRUPTIBLE);
+ ptr = ptr_ring_consume(&tfile->tx_ring);
+ if (ptr)
+ break;
+@@ -2140,7 +2140,7 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
+ schedule();
+ }
+
+- current->state = TASK_RUNNING;
++ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(&tfile->wq.wait, &wait);
+
+ out:
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 735ad838e2ba8..6e381354f658e 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -976,6 +976,13 @@ static const struct usb_device_id products[] = {
+ 0xff),
+ .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr,
+ },
++ { /* Quectel EG12/EM12 */
++ USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512,
++ USB_CLASS_VENDOR_SPEC,
++ USB_SUBCLASS_VENDOR_SPEC,
++ 0xff),
++ .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr,
++ },
+
+ /* 3. Combined interface devices matching on interface number */
+ {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
+@@ -1343,17 +1350,20 @@ static bool quectel_ec20_detected(struct usb_interface *intf)
+ return false;
+ }
+
+-static bool quectel_ep06_diag_detected(struct usb_interface *intf)
++static bool quectel_diag_detected(struct usb_interface *intf)
+ {
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc;
++ u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor);
++ u16 id_product = le16_to_cpu(dev->descriptor.idProduct);
+
+- if (le16_to_cpu(dev->descriptor.idVendor) == 0x2c7c &&
+- le16_to_cpu(dev->descriptor.idProduct) == 0x0306 &&
+- intf_desc.bNumEndpoints == 2)
+- return true;
++ if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2)
++ return false;
+
+- return false;
++ if (id_product == 0x0306 || id_product == 0x0512)
++ return true;
++ else
++ return false;
+ }
+
+ static int qmi_wwan_probe(struct usb_interface *intf,
+@@ -1390,13 +1400,13 @@ static int qmi_wwan_probe(struct usb_interface *intf,
+ return -ENODEV;
+ }
+
+- /* Quectel EP06/EM06/EG06 supports dynamic interface configuration, so
++ /* Several Quectel modems supports dynamic interface configuration, so
+ * we need to match on class/subclass/protocol. These values are
+ * identical for the diagnostic- and QMI-interface, but bNumEndpoints is
+ * different. Ignore the current interface if the number of endpoints
+ * the number for the diag interface (two).
+ */
+- if (quectel_ep06_diag_detected(intf))
++ if (quectel_diag_detected(intf))
+ return -ENODEV;
+
+ return usbnet_probe(intf, id);
+diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c
+index 0ccb021f1e786..10d580c3dea3f 100644
+--- a/drivers/net/xen-netback/hash.c
++++ b/drivers/net/xen-netback/hash.c
+@@ -454,6 +454,8 @@ void xenvif_init_hash(struct xenvif *vif)
+ if (xenvif_hash_cache_size == 0)
+ return;
+
++ BUG_ON(vif->hash.cache.count);
++
+ spin_lock_init(&vif->hash.cache.lock);
+ INIT_LIST_HEAD(&vif->hash.cache.list);
+ }
+diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
+index f6ae23fc3f6b0..82add0ac4a5f6 100644
+--- a/drivers/net/xen-netback/interface.c
++++ b/drivers/net/xen-netback/interface.c
+@@ -153,6 +153,13 @@ static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb,
+ {
+ struct xenvif *vif = netdev_priv(dev);
+ unsigned int size = vif->hash.size;
++ unsigned int num_queues;
++
++ /* If queues are not set up internally - always return 0
++ * as the packet going to be dropped anyway */
++ num_queues = READ_ONCE(vif->num_queues);
++ if (num_queues < 1)
++ return 0;
+
+ if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE)
+ return fallback(dev, skb, NULL) % dev->real_num_tx_queues;
+diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
+index 3621e05a7494c..d5081ffdc8f03 100644
+--- a/drivers/net/xen-netback/netback.c
++++ b/drivers/net/xen-netback/netback.c
+@@ -1072,11 +1072,6 @@ static int xenvif_handle_frag_list(struct xenvif_queue *queue, struct sk_buff *s
+ skb_frag_size_set(&frags[i], len);
+ }
+
+- /* Copied all the bits from the frag list -- free it. */
+- skb_frag_list_init(skb);
+- xenvif_skb_zerocopy_prepare(queue, nskb);
+- kfree_skb(nskb);
+-
+ /* Release all the original (foreign) frags. */
+ for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
+ skb_frag_unref(skb, f);
+@@ -1145,6 +1140,8 @@ static int xenvif_tx_submit(struct xenvif_queue *queue)
+ xenvif_fill_frags(queue, skb);
+
+ if (unlikely(skb_has_frag_list(skb))) {
++ struct sk_buff *nskb = skb_shinfo(skb)->frag_list;
++ xenvif_skb_zerocopy_prepare(queue, nskb);
+ if (xenvif_handle_frag_list(queue, skb)) {
+ if (net_ratelimit())
+ netdev_err(queue->vif->dev,
+@@ -1153,6 +1150,9 @@ static int xenvif_tx_submit(struct xenvif_queue *queue)
+ kfree_skb(skb);
+ continue;
+ }
++ /* Copied all the bits from the frag list -- free it. */
++ skb_frag_list_init(skb);
++ kfree_skb(nskb);
+ }
+
+ skb->dev = queue->vif->dev;
+diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
+index b5f638286037a..18e4289baf993 100644
+--- a/drivers/scsi/scsi_lib.c
++++ b/drivers/scsi/scsi_lib.c
+@@ -757,6 +757,7 @@ static blk_status_t scsi_result_to_blk_status(struct scsi_cmnd *cmd, int result)
+ set_host_byte(cmd, DID_OK);
+ return BLK_STS_TARGET;
+ case DID_NEXUS_FAILURE:
++ set_host_byte(cmd, DID_OK);
+ return BLK_STS_NEXUS;
+ case DID_ALLOC_FAILURE:
+ set_host_byte(cmd, DID_OK);
+diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
+index a880b5c6c6c32..be815330ed958 100644
+--- a/drivers/staging/android/ashmem.c
++++ b/drivers/staging/android/ashmem.c
+@@ -75,6 +75,9 @@ struct ashmem_range {
+ /* LRU list of unpinned pages, protected by ashmem_mutex */
+ static LIST_HEAD(ashmem_lru_list);
+
++static atomic_t ashmem_shrink_inflight = ATOMIC_INIT(0);
++static DECLARE_WAIT_QUEUE_HEAD(ashmem_shrink_wait);
++
+ /*
+ * long lru_count - The count of pages on our LRU list.
+ *
+@@ -168,19 +171,15 @@ static inline void lru_del(struct ashmem_range *range)
+ * @end: The ending page (inclusive)
+ *
+ * This function is protected by ashmem_mutex.
+- *
+- * Return: 0 if successful, or -ENOMEM if there is an error
+ */
+-static int range_alloc(struct ashmem_area *asma,
+- struct ashmem_range *prev_range, unsigned int purged,
+- size_t start, size_t end)
++static void range_alloc(struct ashmem_area *asma,
++ struct ashmem_range *prev_range, unsigned int purged,
++ size_t start, size_t end,
++ struct ashmem_range **new_range)
+ {
+- struct ashmem_range *range;
+-
+- range = kmem_cache_zalloc(ashmem_range_cachep, GFP_KERNEL);
+- if (!range)
+- return -ENOMEM;
++ struct ashmem_range *range = *new_range;
+
++ *new_range = NULL;
+ range->asma = asma;
+ range->pgstart = start;
+ range->pgend = end;
+@@ -190,8 +189,6 @@ static int range_alloc(struct ashmem_area *asma,
+
+ if (range_on_lru(range))
+ lru_add(range);
+-
+- return 0;
+ }
+
+ /**
+@@ -438,7 +435,6 @@ out:
+ static unsigned long
+ ashmem_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
+ {
+- struct ashmem_range *range, *next;
+ unsigned long freed = 0;
+
+ /* We might recurse into filesystem code, so bail out if necessary */
+@@ -448,21 +444,33 @@ ashmem_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
+ if (!mutex_trylock(&ashmem_mutex))
+ return -1;
+
+- list_for_each_entry_safe(range, next, &ashmem_lru_list, lru) {
++ while (!list_empty(&ashmem_lru_list)) {
++ struct ashmem_range *range =
++ list_first_entry(&ashmem_lru_list, typeof(*range), lru);
+ loff_t start = range->pgstart * PAGE_SIZE;
+ loff_t end = (range->pgend + 1) * PAGE_SIZE;
++ struct file *f = range->asma->file;
+
+- range->asma->file->f_op->fallocate(range->asma->file,
+- FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
+- start, end - start);
++ get_file(f);
++ atomic_inc(&ashmem_shrink_inflight);
+ range->purged = ASHMEM_WAS_PURGED;
+ lru_del(range);
+
+ freed += range_size(range);
++ mutex_unlock(&ashmem_mutex);
++ f->f_op->fallocate(f,
++ FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
++ start, end - start);
++ fput(f);
++ if (atomic_dec_and_test(&ashmem_shrink_inflight))
++ wake_up_all(&ashmem_shrink_wait);
++ if (!mutex_trylock(&ashmem_mutex))
++ goto out;
+ if (--sc->nr_to_scan <= 0)
+ break;
+ }
+ mutex_unlock(&ashmem_mutex);
++out:
+ return freed;
+ }
+
+@@ -582,7 +590,8 @@ static int get_name(struct ashmem_area *asma, void __user *name)
+ *
+ * Caller must hold ashmem_mutex.
+ */
+-static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend)
++static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend,
++ struct ashmem_range **new_range)
+ {
+ struct ashmem_range *range, *next;
+ int ret = ASHMEM_NOT_PURGED;
+@@ -635,7 +644,7 @@ static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend)
+ * second half and adjust the first chunk's endpoint.
+ */
+ range_alloc(asma, range, range->purged,
+- pgend + 1, range->pgend);
++ pgend + 1, range->pgend, new_range);
+ range_shrink(range, range->pgstart, pgstart - 1);
+ break;
+ }
+@@ -649,7 +658,8 @@ static int ashmem_pin(struct ashmem_area *asma, size_t pgstart, size_t pgend)
+ *
+ * Caller must hold ashmem_mutex.
+ */
+-static int ashmem_unpin(struct ashmem_area *asma, size_t pgstart, size_t pgend)
++static int ashmem_unpin(struct ashmem_area *asma, size_t pgstart, size_t pgend,
++ struct ashmem_range **new_range)
+ {
+ struct ashmem_range *range, *next;
+ unsigned int purged = ASHMEM_NOT_PURGED;
+@@ -675,7 +685,8 @@ restart:
+ }
+ }
+
+- return range_alloc(asma, range, purged, pgstart, pgend);
++ range_alloc(asma, range, purged, pgstart, pgend, new_range);
++ return 0;
+ }
+
+ /*
+@@ -708,11 +719,19 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
+ struct ashmem_pin pin;
+ size_t pgstart, pgend;
+ int ret = -EINVAL;
++ struct ashmem_range *range = NULL;
+
+ if (copy_from_user(&pin, p, sizeof(pin)))
+ return -EFAULT;
+
++ if (cmd == ASHMEM_PIN || cmd == ASHMEM_UNPIN) {
++ range = kmem_cache_zalloc(ashmem_range_cachep, GFP_KERNEL);
++ if (!range)
++ return -ENOMEM;
++ }
++
+ mutex_lock(&ashmem_mutex);
++ wait_event(ashmem_shrink_wait, !atomic_read(&ashmem_shrink_inflight));
+
+ if (!asma->file)
+ goto out_unlock;
+@@ -735,10 +754,10 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
+
+ switch (cmd) {
+ case ASHMEM_PIN:
+- ret = ashmem_pin(asma, pgstart, pgend);
++ ret = ashmem_pin(asma, pgstart, pgend, &range);
+ break;
+ case ASHMEM_UNPIN:
+- ret = ashmem_unpin(asma, pgstart, pgend);
++ ret = ashmem_unpin(asma, pgstart, pgend, &range);
+ break;
+ case ASHMEM_GET_PIN_STATUS:
+ ret = ashmem_get_pin_status(asma, pgstart, pgend);
+@@ -747,6 +766,8 @@ static int ashmem_pin_unpin(struct ashmem_area *asma, unsigned long cmd,
+
+ out_unlock:
+ mutex_unlock(&ashmem_mutex);
++ if (range)
++ kmem_cache_free(ashmem_range_cachep, range);
+
+ return ret;
+ }
+diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c
+index 701eb9f3b0f13..0a1b1ff1be042 100644
+--- a/drivers/staging/android/ion/ion_system_heap.c
++++ b/drivers/staging/android/ion/ion_system_heap.c
+@@ -247,10 +247,10 @@ static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
+ static int ion_system_heap_create_pools(struct ion_page_pool **pools)
+ {
+ int i;
+- gfp_t gfp_flags = low_order_gfp_flags;
+
+ for (i = 0; i < NUM_ORDERS; i++) {
+ struct ion_page_pool *pool;
++ gfp_t gfp_flags = low_order_gfp_flags;
+
+ if (orders[i] > 4)
+ gfp_flags = high_order_gfp_flags;
+diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
+index e521ed9d08870..35bd4d2efe166 100644
+--- a/drivers/staging/comedi/drivers/ni_660x.c
++++ b/drivers/staging/comedi/drivers/ni_660x.c
+@@ -602,6 +602,7 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev,
+ case NI_660X_PFI_OUTPUT_DIO:
+ if (chan > 31)
+ return -EINVAL;
++ break;
+ default:
+ return -EINVAL;
+ }
+diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c
+index 1279241449f4b..f44662dd795c4 100644
+--- a/drivers/staging/erofs/unzip_vle.c
++++ b/drivers/staging/erofs/unzip_vle.c
+@@ -57,15 +57,30 @@ enum z_erofs_vle_work_role {
+ Z_EROFS_VLE_WORK_SECONDARY,
+ Z_EROFS_VLE_WORK_PRIMARY,
+ /*
+- * The current work has at least been linked with the following
+- * processed chained works, which means if the processing page
+- * is the tail partial page of the work, the current work can
+- * safely use the whole page, as illustrated below:
+- * +--------------+-------------------------------------------+
+- * | tail page | head page (of the previous work) |
+- * +--------------+-------------------------------------------+
+- * /\ which belongs to the current work
+- * [ (*) this page can be used for the current work itself. ]
++ * The current work was the tail of an exist chain, and the previous
++ * processed chained works are all decided to be hooked up to it.
++ * A new chain should be created for the remaining unprocessed works,
++ * therefore different from Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED,
++ * the next work cannot reuse the whole page in the following scenario:
++ * ________________________________________________________________
++ * | tail (partial) page | head (partial) page |
++ * | (belongs to the next work) | (belongs to the current work) |
++ * |_______PRIMARY_FOLLOWED_______|________PRIMARY_HOOKED___________|
++ */
++ Z_EROFS_VLE_WORK_PRIMARY_HOOKED,
++ /*
++ * The current work has been linked with the processed chained works,
++ * and could be also linked with the potential remaining works, which
++ * means if the processing page is the tail partial page of the work,
++ * the current work can safely use the whole page (since the next work
++ * is under control) for in-place decompression, as illustrated below:
++ * ________________________________________________________________
++ * | tail (partial) page | head (partial) page |
++ * | (of the current work) | (of the previous work) |
++ * | PRIMARY_FOLLOWED or | |
++ * |_____PRIMARY_HOOKED____|____________PRIMARY_FOLLOWED____________|
++ *
++ * [ (*) the above page can be used for the current work itself. ]
+ */
+ Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED,
+ Z_EROFS_VLE_WORK_MAX
+@@ -234,10 +249,10 @@ static int z_erofs_vle_work_add_page(
+ return ret ? 0 : -EAGAIN;
+ }
+
+-static inline bool try_to_claim_workgroup(
+- struct z_erofs_vle_workgroup *grp,
+- z_erofs_vle_owned_workgrp_t *owned_head,
+- bool *hosted)
++static enum z_erofs_vle_work_role
++try_to_claim_workgroup(struct z_erofs_vle_workgroup *grp,
++ z_erofs_vle_owned_workgrp_t *owned_head,
++ bool *hosted)
+ {
+ DBG_BUGON(*hosted == true);
+
+@@ -251,6 +266,9 @@ retry:
+
+ *owned_head = grp;
+ *hosted = true;
++ /* lucky, I am the followee :) */
++ return Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED;
++
+ } else if (grp->next == Z_EROFS_VLE_WORKGRP_TAIL) {
+ /*
+ * type 2, link to the end of a existing open chain,
+@@ -260,12 +278,11 @@ retry:
+ if (Z_EROFS_VLE_WORKGRP_TAIL != cmpxchg(&grp->next,
+ Z_EROFS_VLE_WORKGRP_TAIL, *owned_head))
+ goto retry;
+-
+ *owned_head = Z_EROFS_VLE_WORKGRP_TAIL;
+- } else
+- return false; /* :( better luck next time */
++ return Z_EROFS_VLE_WORK_PRIMARY_HOOKED;
++ }
+
+- return true; /* lucky, I am the followee :) */
++ return Z_EROFS_VLE_WORK_PRIMARY; /* :( better luck next time */
+ }
+
+ static struct z_erofs_vle_work *
+@@ -337,12 +354,8 @@ z_erofs_vle_work_lookup(struct super_block *sb,
+ *hosted = false;
+ if (!primary)
+ *role = Z_EROFS_VLE_WORK_SECONDARY;
+- /* claim the workgroup if possible */
+- else if (try_to_claim_workgroup(grp, owned_head, hosted))
+- *role = Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED;
+- else
+- *role = Z_EROFS_VLE_WORK_PRIMARY;
+-
++ else /* claim the workgroup if possible */
++ *role = try_to_claim_workgroup(grp, owned_head, hosted);
+ return work;
+ }
+
+@@ -419,6 +432,9 @@ static inline void __update_workgrp_llen(struct z_erofs_vle_workgroup *grp,
+ }
+ }
+
++#define builder_is_hooked(builder) \
++ ((builder)->role >= Z_EROFS_VLE_WORK_PRIMARY_HOOKED)
++
+ #define builder_is_followed(builder) \
+ ((builder)->role >= Z_EROFS_VLE_WORK_PRIMARY_FOLLOWED)
+
+@@ -583,7 +599,7 @@ static int z_erofs_do_read_page(struct z_erofs_vle_frontend *fe,
+ struct z_erofs_vle_work_builder *const builder = &fe->builder;
+ const loff_t offset = page_offset(page);
+
+- bool tight = builder_is_followed(builder);
++ bool tight = builder_is_hooked(builder);
+ struct z_erofs_vle_work *work = builder->work;
+
+ #ifdef EROFS_FS_HAS_MANAGED_CACHE
+@@ -606,8 +622,12 @@ repeat:
+
+ /* lucky, within the range of the current map_blocks */
+ if (offset + cur >= map->m_la &&
+- offset + cur < map->m_la + map->m_llen)
++ offset + cur < map->m_la + map->m_llen) {
++ /* didn't get a valid unzip work previously (very rare) */
++ if (!builder->work)
++ goto restart_now;
+ goto hitted;
++ }
+
+ /* go ahead the next map_blocks */
+ debugln("%s: [out-of-range] pos %llu", __func__, offset + cur);
+@@ -621,6 +641,7 @@ repeat:
+ if (unlikely(err))
+ goto err_out;
+
++restart_now:
+ if (unlikely(!(map->m_flags & EROFS_MAP_MAPPED)))
+ goto hitted;
+
+@@ -646,7 +667,7 @@ repeat:
+ builder->role = Z_EROFS_VLE_WORK_PRIMARY;
+ #endif
+
+- tight &= builder_is_followed(builder);
++ tight &= builder_is_hooked(builder);
+ work = builder->work;
+ hitted:
+ cur = end - min_t(unsigned, offset + end - map->m_la, end);
+@@ -661,6 +682,9 @@ hitted:
+ (tight ? Z_EROFS_PAGE_TYPE_EXCLUSIVE :
+ Z_EROFS_VLE_PAGE_TYPE_TAIL_SHARED));
+
++ if (cur)
++ tight &= builder_is_followed(builder);
++
+ retry:
+ err = z_erofs_vle_work_add_page(builder, page, page_type);
+ /* should allocate an additional staging page for pagevec */
+@@ -901,11 +925,10 @@ repeat:
+ if (llen > grp->llen)
+ llen = grp->llen;
+
+- err = z_erofs_vle_unzip_fast_percpu(compressed_pages,
+- clusterpages, pages, llen, work->pageofs,
+- z_erofs_onlinepage_endio);
++ err = z_erofs_vle_unzip_fast_percpu(compressed_pages, clusterpages,
++ pages, llen, work->pageofs);
+ if (err != -ENOTSUPP)
+- goto out_percpu;
++ goto out;
+
+ if (sparsemem_pages >= nr_pages)
+ goto skip_allocpage;
+@@ -926,8 +949,25 @@ skip_allocpage:
+ erofs_vunmap(vout, nr_pages);
+
+ out:
++ /* must handle all compressed pages before endding pages */
++ for (i = 0; i < clusterpages; ++i) {
++ page = compressed_pages[i];
++
++#ifdef EROFS_FS_HAS_MANAGED_CACHE
++ if (page->mapping == mngda)
++ continue;
++#endif
++ /* recycle all individual staging pages */
++ (void)z_erofs_gather_if_stagingpage(page_pool, page);
++
++ WRITE_ONCE(compressed_pages[i], NULL);
++ }
++
+ for (i = 0; i < nr_pages; ++i) {
+ page = pages[i];
++ if (!page)
++ continue;
++
+ DBG_BUGON(page->mapping == NULL);
+
+ /* recycle all individual staging pages */
+@@ -940,20 +980,6 @@ out:
+ z_erofs_onlinepage_endio(page);
+ }
+
+-out_percpu:
+- for (i = 0; i < clusterpages; ++i) {
+- page = compressed_pages[i];
+-
+-#ifdef EROFS_FS_HAS_MANAGED_CACHE
+- if (page->mapping == mngda)
+- continue;
+-#endif
+- /* recycle all individual staging pages */
+- (void)z_erofs_gather_if_stagingpage(page_pool, page);
+-
+- WRITE_ONCE(compressed_pages[i], NULL);
+- }
+-
+ if (pages == z_pagemap_global)
+ mutex_unlock(&z_pagemap_global_lock);
+ else if (unlikely(pages != pages_onstack))
+diff --git a/drivers/staging/erofs/unzip_vle.h b/drivers/staging/erofs/unzip_vle.h
+index 3316bc36965d4..684ff06fc7bf8 100644
+--- a/drivers/staging/erofs/unzip_vle.h
++++ b/drivers/staging/erofs/unzip_vle.h
+@@ -218,8 +218,7 @@ extern int z_erofs_vle_plain_copy(struct page **compressed_pages,
+
+ extern int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages,
+ unsigned clusterpages, struct page **pages,
+- unsigned outlen, unsigned short pageofs,
+- void (*endio)(struct page *));
++ unsigned int outlen, unsigned short pageofs);
+
+ extern int z_erofs_vle_unzip_vmap(struct page **compressed_pages,
+ unsigned clusterpages, void *vaddr, unsigned llen,
+diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c
+index 9cb35cd33365a..055420e8af2cf 100644
+--- a/drivers/staging/erofs/unzip_vle_lz4.c
++++ b/drivers/staging/erofs/unzip_vle_lz4.c
+@@ -105,8 +105,7 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages,
+ unsigned clusterpages,
+ struct page **pages,
+ unsigned outlen,
+- unsigned short pageofs,
+- void (*endio)(struct page *))
++ unsigned short pageofs)
+ {
+ void *vin, *vout;
+ unsigned nr_pages, i, j;
+@@ -128,31 +127,30 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages,
+ ret = z_erofs_unzip_lz4(vin, vout + pageofs,
+ clusterpages * PAGE_SIZE, outlen);
+
+- if (ret >= 0) {
+- outlen = ret;
+- ret = 0;
+- }
++ if (ret < 0)
++ goto out;
++ ret = 0;
+
+ for (i = 0; i < nr_pages; ++i) {
+ j = min((unsigned)PAGE_SIZE - pageofs, outlen);
+
+ if (pages[i] != NULL) {
+- if (ret < 0)
+- SetPageError(pages[i]);
+- else if (clusterpages == 1 && pages[i] == compressed_pages[0])
++ if (clusterpages == 1 &&
++ pages[i] == compressed_pages[0]) {
+ memcpy(vin + pageofs, vout + pageofs, j);
+- else {
++ } else {
+ void *dst = kmap_atomic(pages[i]);
+
+ memcpy(dst + pageofs, vout + pageofs, j);
+ kunmap_atomic(dst);
+ }
+- endio(pages[i]);
+ }
+ vout += PAGE_SIZE;
+ outlen -= j;
+ pageofs = 0;
+ }
++
++out:
+ preempt_enable();
+
+ if (clusterpages == 1)
+diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
+index 3b8d237decbf1..649caae2b6033 100644
+--- a/drivers/staging/wilc1000/linux_wlan.c
++++ b/drivers/staging/wilc1000/linux_wlan.c
+@@ -1090,8 +1090,8 @@ int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
+ vif->wilc = *wilc;
+ vif->ndev = ndev;
+ wl->vif[i] = vif;
+- wl->vif_num = i;
+- vif->idx = wl->vif_num;
++ wl->vif_num = i + 1;
++ vif->idx = i;
+
+ ndev->netdev_ops = &wilc_netdev_ops;
+
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 09bf6b4b741b8..1493d0fdf5ad1 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -187,6 +187,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
+ xhci->quirks |= XHCI_SSIC_PORT_UNUSED;
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+ (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
++ pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI))
+ xhci->quirks |= XHCI_INTEL_USB_ROLE_SW;
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index c0777a374a88f..4c66edf533fe9 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -61,6 +61,7 @@ static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
+ { USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
+ { USB_DEVICE(0x0908, 0x01FF) }, /* Siemens RUGGEDCOM USB Serial Console */
++ { USB_DEVICE(0x0B00, 0x3070) }, /* Ingenico 3070 */
+ { USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */
+ { USB_DEVICE(0x0BED, 0x1101) }, /* MEI series 2000 Combo Acceptor */
+ { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */
+@@ -1353,8 +1354,13 @@ static int cp210x_gpio_get(struct gpio_chip *gc, unsigned int gpio)
+ if (priv->partnum == CP210X_PARTNUM_CP2105)
+ req_type = REQTYPE_INTERFACE_TO_HOST;
+
++ result = usb_autopm_get_interface(serial->interface);
++ if (result)
++ return result;
++
+ result = cp210x_read_vendor_block(serial, req_type,
+ CP210X_READ_LATCH, &buf, sizeof(buf));
++ usb_autopm_put_interface(serial->interface);
+ if (result < 0)
+ return result;
+
+@@ -1375,6 +1381,10 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+
+ buf.mask = BIT(gpio);
+
++ result = usb_autopm_get_interface(serial->interface);
++ if (result)
++ goto out;
++
+ if (priv->partnum == CP210X_PARTNUM_CP2105) {
+ result = cp210x_write_vendor_block(serial,
+ REQTYPE_HOST_TO_INTERFACE,
+@@ -1392,6 +1402,8 @@ static void cp210x_gpio_set(struct gpio_chip *gc, unsigned int gpio, int value)
+ NULL, 0, USB_CTRL_SET_TIMEOUT);
+ }
+
++ usb_autopm_put_interface(serial->interface);
++out:
+ if (result < 0) {
+ dev_err(&serial->interface->dev, "failed to set GPIO value: %d\n",
+ result);
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index b5cef322826f1..1d8077e880a01 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -1015,6 +1015,8 @@ static const struct usb_device_id id_table_combined[] = {
+ { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
+ { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
+ { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) },
++ /* EZPrototypes devices */
++ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) },
+ { } /* Terminating entry */
+ };
+
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
+index 975d02666c5a0..b863bedb55a13 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -1308,6 +1308,12 @@
+ #define IONICS_VID 0x1c0c
+ #define IONICS_PLUGCOMPUTER_PID 0x0102
+
++/*
++ * EZPrototypes (PID reseller)
++ */
++#define EZPROTOTYPES_VID 0x1c40
++#define HJELMSLUND_USB485_ISO_PID 0x0477
++
+ /*
+ * Dresden Elektronik Sensor Terminal Board
+ */
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index fb544340888b0..faf833e8f5573 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -1148,6 +1148,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
+ .driver_info = NCTRL(0) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */
++ .driver_info = NCTRL(0) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
+diff --git a/fs/aio.c b/fs/aio.c
+index 44551d96eaa4b..45d5ef8dd0a87 100644
+--- a/fs/aio.c
++++ b/fs/aio.c
+@@ -1661,6 +1661,7 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
+ struct poll_iocb *req = container_of(wait, struct poll_iocb, wait);
+ struct aio_kiocb *iocb = container_of(req, struct aio_kiocb, poll);
+ __poll_t mask = key_to_poll(key);
++ unsigned long flags;
+
+ req->woken = true;
+
+@@ -1669,10 +1670,15 @@ static int aio_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
+ if (!(mask & req->events))
+ return 0;
+
+- /* try to complete the iocb inline if we can: */
+- if (spin_trylock(&iocb->ki_ctx->ctx_lock)) {
++ /*
++ * Try to complete the iocb inline if we can. Use
++ * irqsave/irqrestore because not all filesystems (e.g. fuse)
++ * call this function with IRQs disabled and because IRQs
++ * have to be disabled before ctx_lock is obtained.
++ */
++ if (spin_trylock_irqsave(&iocb->ki_ctx->ctx_lock, flags)) {
+ list_del(&iocb->ki_list);
+- spin_unlock(&iocb->ki_ctx->ctx_lock);
++ spin_unlock_irqrestore(&iocb->ki_ctx->ctx_lock, flags);
+
+ list_del_init(&req->wait.entry);
+ aio_poll_complete(iocb, mask);
+diff --git a/fs/exec.c b/fs/exec.c
+index 1ebf6e5a521d9..433b1257694ab 100644
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -929,7 +929,7 @@ int kernel_read_file(struct file *file, void **buf, loff_t *size,
+ bytes = kernel_read(file, *buf + pos, i_size - pos, &pos);
+ if (bytes < 0) {
+ ret = bytes;
+- goto out;
++ goto out_free;
+ }
+
+ if (bytes == 0)
+diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
+index 882a9b9e34bc2..72f59e8321e79 100644
+--- a/include/linux/cpufreq.h
++++ b/include/linux/cpufreq.h
+@@ -254,20 +254,12 @@ __ATTR(_name, 0644, show_##_name, store_##_name)
+ static struct freq_attr _name = \
+ __ATTR(_name, 0200, NULL, store_##_name)
+
+-struct global_attr {
+- struct attribute attr;
+- ssize_t (*show)(struct kobject *kobj,
+- struct attribute *attr, char *buf);
+- ssize_t (*store)(struct kobject *a, struct attribute *b,
+- const char *c, size_t count);
+-};
+-
+ #define define_one_global_ro(_name) \
+-static struct global_attr _name = \
++static struct kobj_attribute _name = \
+ __ATTR(_name, 0444, show_##_name, NULL)
+
+ #define define_one_global_rw(_name) \
+-static struct global_attr _name = \
++static struct kobj_attribute _name = \
+ __ATTR(_name, 0644, show_##_name, store_##_name)
+
+
+diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
+index ec9d6bc658559..fabee6db0abb7 100644
+--- a/include/net/bluetooth/bluetooth.h
++++ b/include/net/bluetooth/bluetooth.h
+@@ -276,7 +276,7 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
+ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
+ int bt_sock_wait_ready(struct sock *sk, unsigned long flags);
+
+-void bt_accept_enqueue(struct sock *parent, struct sock *sk);
++void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
+ void bt_accept_unlink(struct sock *sk);
+ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
+
+diff --git a/include/net/icmp.h b/include/net/icmp.h
+index 3ef2743a8eecc..8665bf24e3b7a 100644
+--- a/include/net/icmp.h
++++ b/include/net/icmp.h
+@@ -22,6 +22,7 @@
+
+ #include <net/inet_sock.h>
+ #include <net/snmp.h>
++#include <net/ip.h>
+
+ struct icmp_err {
+ int errno;
+@@ -39,7 +40,13 @@ struct net_proto_family;
+ struct sk_buff;
+ struct net;
+
+-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
++void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
++ const struct ip_options *opt);
++static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
++{
++ __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);
++}
++
+ int icmp_rcv(struct sk_buff *skb);
+ void icmp_err(struct sk_buff *skb, u32 info);
+ int icmp_init(void);
+diff --git a/include/net/ip.h b/include/net/ip.h
+index e44b1a44f67ad..71d31e4d4391f 100644
+--- a/include/net/ip.h
++++ b/include/net/ip.h
+@@ -638,6 +638,8 @@ static inline int ip_options_echo(struct net *net, struct ip_options *dopt,
+ }
+
+ void ip_options_fragment(struct sk_buff *skb);
++int __ip_options_compile(struct net *net, struct ip_options *opt,
++ struct sk_buff *skb, __be32 *info);
+ int ip_options_compile(struct net *net, struct ip_options *opt,
+ struct sk_buff *skb);
+ int ip_options_get(struct net *net, struct ip_options_rcu **optp,
+@@ -687,7 +689,7 @@ extern int sysctl_icmp_msgs_burst;
+ int ip_misc_proc_init(void);
+ #endif
+
+-int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
++int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
+ struct netlink_ext_ack *extack);
+
+ #endif /* _IP_H */
+diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
+index a6d00093f35e7..c44da48de7dfd 100644
+--- a/include/net/sch_generic.h
++++ b/include/net/sch_generic.h
+@@ -47,7 +47,10 @@ struct qdisc_size_table {
+ struct qdisc_skb_head {
+ struct sk_buff *head;
+ struct sk_buff *tail;
+- __u32 qlen;
++ union {
++ u32 qlen;
++ atomic_t atomic_qlen;
++ };
+ spinlock_t lock;
+ };
+
+@@ -384,27 +387,19 @@ static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
+ BUILD_BUG_ON(sizeof(qcb->data) < sz);
+ }
+
+-static inline int qdisc_qlen_cpu(const struct Qdisc *q)
+-{
+- return this_cpu_ptr(q->cpu_qstats)->qlen;
+-}
+-
+ static inline int qdisc_qlen(const struct Qdisc *q)
+ {
+ return q->q.qlen;
+ }
+
+-static inline int qdisc_qlen_sum(const struct Qdisc *q)
++static inline u32 qdisc_qlen_sum(const struct Qdisc *q)
+ {
+- __u32 qlen = q->qstats.qlen;
+- int i;
++ u32 qlen = q->qstats.qlen;
+
+- if (q->flags & TCQ_F_NOLOCK) {
+- for_each_possible_cpu(i)
+- qlen += per_cpu_ptr(q->cpu_qstats, i)->qlen;
+- } else {
++ if (q->flags & TCQ_F_NOLOCK)
++ qlen += atomic_read(&q->q.atomic_qlen);
++ else
+ qlen += q->q.qlen;
+- }
+
+ return qlen;
+ }
+@@ -776,14 +771,14 @@ static inline void qdisc_qstats_cpu_backlog_inc(struct Qdisc *sch,
+ this_cpu_add(sch->cpu_qstats->backlog, qdisc_pkt_len(skb));
+ }
+
+-static inline void qdisc_qstats_cpu_qlen_inc(struct Qdisc *sch)
++static inline void qdisc_qstats_atomic_qlen_inc(struct Qdisc *sch)
+ {
+- this_cpu_inc(sch->cpu_qstats->qlen);
++ atomic_inc(&sch->q.atomic_qlen);
+ }
+
+-static inline void qdisc_qstats_cpu_qlen_dec(struct Qdisc *sch)
++static inline void qdisc_qstats_atomic_qlen_dec(struct Qdisc *sch)
+ {
+- this_cpu_dec(sch->cpu_qstats->qlen);
++ atomic_dec(&sch->q.atomic_qlen);
+ }
+
+ static inline void qdisc_qstats_cpu_requeues_inc(struct Qdisc *sch)
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
+index 4d81be2d07390..bcb42aaf1b3ae 100644
+--- a/kernel/bpf/verifier.c
++++ b/kernel/bpf/verifier.c
+@@ -6035,7 +6035,8 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
+ u32 off_reg;
+
+ aux = &env->insn_aux_data[i + delta];
+- if (!aux->alu_state)
++ if (!aux->alu_state ||
++ aux->alu_state == BPF_ALU_NON_POINTER)
+ continue;
+
+ isneg = aux->alu_state & BPF_ALU_NEG_VALUE;
+diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
+index 5574e862de8d5..5a1c64a26e819 100644
+--- a/kernel/trace/trace_events_filter.c
++++ b/kernel/trace/trace_events_filter.c
+@@ -1301,7 +1301,7 @@ static int parse_pred(const char *str, void *data,
+ /* go past the last quote */
+ i++;
+
+- } else if (isdigit(str[i])) {
++ } else if (isdigit(str[i]) || str[i] == '-') {
+
+ /* Make sure the field is not a string */
+ if (is_string_field(field)) {
+@@ -1314,6 +1314,9 @@ static int parse_pred(const char *str, void *data,
+ goto err_free;
+ }
+
++ if (str[i] == '-')
++ i++;
++
+ /* We allow 0xDEADBEEF */
+ while (isalnum(str[i]))
+ i++;
+diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
+index deacc52d7ff18..8d12198eaa949 100644
+--- a/net/bluetooth/af_bluetooth.c
++++ b/net/bluetooth/af_bluetooth.c
+@@ -154,15 +154,25 @@ void bt_sock_unlink(struct bt_sock_list *l, struct sock *sk)
+ }
+ EXPORT_SYMBOL(bt_sock_unlink);
+
+-void bt_accept_enqueue(struct sock *parent, struct sock *sk)
++void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh)
+ {
+ BT_DBG("parent %p, sk %p", parent, sk);
+
+ sock_hold(sk);
+- lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
++
++ if (bh)
++ bh_lock_sock_nested(sk);
++ else
++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
++
+ list_add_tail(&bt_sk(sk)->accept_q, &bt_sk(parent)->accept_q);
+ bt_sk(sk)->parent = parent;
+- release_sock(sk);
++
++ if (bh)
++ bh_unlock_sock(sk);
++ else
++ release_sock(sk);
++
+ parent->sk_ack_backlog++;
+ }
+ EXPORT_SYMBOL(bt_accept_enqueue);
+diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
+index 686bdc6b35b03..a3a2cd55e23a9 100644
+--- a/net/bluetooth/l2cap_sock.c
++++ b/net/bluetooth/l2cap_sock.c
+@@ -1252,7 +1252,7 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
+
+ l2cap_sock_init(sk, parent);
+
+- bt_accept_enqueue(parent, sk);
++ bt_accept_enqueue(parent, sk, false);
+
+ release_sock(parent);
+
+diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
+index d606e92122916..c044ff2f73e6c 100644
+--- a/net/bluetooth/rfcomm/sock.c
++++ b/net/bluetooth/rfcomm/sock.c
+@@ -988,7 +988,7 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc *
+ rfcomm_pi(sk)->channel = channel;
+
+ sk->sk_state = BT_CONFIG;
+- bt_accept_enqueue(parent, sk);
++ bt_accept_enqueue(parent, sk, true);
+
+ /* Accept connection and return socket DLC */
+ *d = rfcomm_pi(sk)->dlc;
+diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
+index 8f0f9279eac9f..a4ca55df73908 100644
+--- a/net/bluetooth/sco.c
++++ b/net/bluetooth/sco.c
+@@ -193,7 +193,7 @@ static void __sco_chan_add(struct sco_conn *conn, struct sock *sk,
+ conn->sk = sk;
+
+ if (parent)
+- bt_accept_enqueue(parent, sk);
++ bt_accept_enqueue(parent, sk, true);
+ }
+
+ static int sco_chan_add(struct sco_conn *conn, struct sock *sk,
+diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
+index 188d693cb251a..e2fd8baec65f3 100644
+--- a/net/core/gen_stats.c
++++ b/net/core/gen_stats.c
+@@ -256,7 +256,6 @@ __gnet_stats_copy_queue_cpu(struct gnet_stats_queue *qstats,
+ for_each_possible_cpu(i) {
+ const struct gnet_stats_queue *qcpu = per_cpu_ptr(q, i);
+
+- qstats->qlen = 0;
+ qstats->backlog += qcpu->backlog;
+ qstats->drops += qcpu->drops;
+ qstats->requeues += qcpu->requeues;
+@@ -272,7 +271,6 @@ void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
+ if (cpu) {
+ __gnet_stats_copy_queue_cpu(qstats, cpu);
+ } else {
+- qstats->qlen = q->qlen;
+ qstats->backlog = q->backlog;
+ qstats->drops = q->drops;
+ qstats->requeues = q->requeues;
+diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
+index bd67c4d0fcfdf..2aabb7eb08541 100644
+--- a/net/core/net-sysfs.c
++++ b/net/core/net-sysfs.c
+@@ -1547,6 +1547,9 @@ static int register_queue_kobjects(struct net_device *dev)
+ error:
+ netdev_queue_update_kobjects(dev, txq, 0);
+ net_rx_queue_update_kobjects(dev, rxq, 0);
++#ifdef CONFIG_SYSFS
++ kset_unregister(dev->queues_kset);
++#endif
+ return error;
+ }
+
+diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
+index 777fa3b7fb13d..f0165c5f376b3 100644
+--- a/net/ipv4/cipso_ipv4.c
++++ b/net/ipv4/cipso_ipv4.c
+@@ -667,7 +667,8 @@ static int cipso_v4_map_lvl_valid(const struct cipso_v4_doi *doi_def, u8 level)
+ case CIPSO_V4_MAP_PASS:
+ return 0;
+ case CIPSO_V4_MAP_TRANS:
+- if (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL)
++ if ((level < doi_def->map.std->lvl.cipso_size) &&
++ (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL))
+ return 0;
+ break;
+ }
+@@ -1735,13 +1736,26 @@ validate_return:
+ */
+ 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;
++
+ if (ip_hdr(skb)->protocol == IPPROTO_ICMP || error != -EACCES)
+ return;
+
++ /*
++ * We might be called above the IP layer,
++ * so we can not use icmp_send and IPCB here.
++ */
++
++ 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))
++ return;
++
+ if (gateway)
+- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0);
++ __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_NET_ANO, 0, opt);
+ else
+- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0);
++ __icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_ANO, 0, opt);
+ }
+
+ /**
+diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
+index 958e185a8e8d1..dae743b649c1d 100644
+--- a/net/ipv4/fib_frontend.c
++++ b/net/ipv4/fib_frontend.c
+@@ -700,6 +700,10 @@ static int rtm_to_fib_config(struct net *net, struct sk_buff *skb,
+ case RTA_GATEWAY:
+ cfg->fc_gw = nla_get_be32(attr);
+ break;
++ case RTA_VIA:
++ NL_SET_ERR_MSG(extack, "IPv4 does not support RTA_VIA attribute");
++ err = -EINVAL;
++ goto errout;
+ case RTA_PRIORITY:
+ cfg->fc_priority = nla_get_u32(attr);
+ break;
+diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
+index 695979b7ef6d0..ad75c468ecfb2 100644
+--- a/net/ipv4/icmp.c
++++ b/net/ipv4/icmp.c
+@@ -570,7 +570,8 @@ relookup_failed:
+ * MUST reply to only the first fragment.
+ */
+
+-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
++void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
++ const struct ip_options *opt)
+ {
+ struct iphdr *iph;
+ int room;
+@@ -691,7 +692,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
+ iph->tos;
+ mark = IP4_REPLY_MARK(net, skb_in->mark);
+
+- if (ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in))
++ if (__ip_options_echo(net, &icmp_param.replyopts.opt.opt, skb_in, opt))
+ goto out_unlock;
+
+
+@@ -742,7 +743,7 @@ out_bh_enable:
+ local_bh_enable();
+ out:;
+ }
+-EXPORT_SYMBOL(icmp_send);
++EXPORT_SYMBOL(__icmp_send);
+
+
+ static void icmp_socket_deliver(struct sk_buff *skb, u32 info)
+diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
+index 6f977b0fef545..bd8ef4f87c795 100644
+--- a/net/ipv4/ip_input.c
++++ b/net/ipv4/ip_input.c
+@@ -308,11 +308,10 @@ drop:
+ }
+
+ static int ip_rcv_finish_core(struct net *net, struct sock *sk,
+- struct sk_buff *skb)
++ struct sk_buff *skb, struct net_device *dev)
+ {
+ const struct iphdr *iph = ip_hdr(skb);
+ int (*edemux)(struct sk_buff *skb);
+- struct net_device *dev = skb->dev;
+ struct rtable *rt;
+ int err;
+
+@@ -401,6 +400,7 @@ drop_error:
+
+ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
+ {
++ struct net_device *dev = skb->dev;
+ int ret;
+
+ /* if ingress device is enslaved to an L3 master device pass the
+@@ -410,7 +410,7 @@ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
+ if (!skb)
+ return NET_RX_SUCCESS;
+
+- ret = ip_rcv_finish_core(net, sk, skb);
++ ret = ip_rcv_finish_core(net, sk, skb, dev);
+ if (ret != NET_RX_DROP)
+ ret = dst_input(skb);
+ return ret;
+@@ -550,6 +550,7 @@ static void ip_list_rcv_finish(struct net *net, struct sock *sk,
+
+ INIT_LIST_HEAD(&sublist);
+ list_for_each_entry_safe(skb, next, head, list) {
++ struct net_device *dev = skb->dev;
+ struct dst_entry *dst;
+
+ skb_list_del_init(skb);
+@@ -559,7 +560,7 @@ static void ip_list_rcv_finish(struct net *net, struct sock *sk,
+ skb = l3mdev_ip_rcv(skb);
+ if (!skb)
+ continue;
+- if (ip_rcv_finish_core(net, sk, skb) == NET_RX_DROP)
++ if (ip_rcv_finish_core(net, sk, skb, dev) == NET_RX_DROP)
+ continue;
+
+ dst = skb_dst(skb);
+diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
+index ed194d46c00e3..32a35043c9f59 100644
+--- a/net/ipv4/ip_options.c
++++ b/net/ipv4/ip_options.c
+@@ -251,8 +251,9 @@ static void spec_dst_fill(__be32 *spec_dst, struct sk_buff *skb)
+ * If opt == NULL, then skb->data should point to IP header.
+ */
+
+-int ip_options_compile(struct net *net,
+- struct ip_options *opt, struct sk_buff *skb)
++int __ip_options_compile(struct net *net,
++ struct ip_options *opt, struct sk_buff *skb,
++ __be32 *info)
+ {
+ __be32 spec_dst = htonl(INADDR_ANY);
+ unsigned char *pp_ptr = NULL;
+@@ -468,11 +469,22 @@ eol:
+ return 0;
+
+ error:
+- if (skb) {
+- icmp_send(skb, ICMP_PARAMETERPROB, 0, htonl((pp_ptr-iph)<<24));
+- }
++ if (info)
++ *info = htonl((pp_ptr-iph)<<24);
+ return -EINVAL;
+ }
++
++int ip_options_compile(struct net *net,
++ struct ip_options *opt, struct sk_buff *skb)
++{
++ int ret;
++ __be32 info;
++
++ ret = __ip_options_compile(net, opt, skb, &info);
++ if (ret != 0 && skb)
++ icmp_send(skb, ICMP_PARAMETERPROB, 0, info);
++ return ret;
++}
+ EXPORT_SYMBOL(ip_options_compile);
+
+ /*
+diff --git a/net/ipv4/netlink.c b/net/ipv4/netlink.c
+index f86bb4f066095..d8e3a1fb8e826 100644
+--- a/net/ipv4/netlink.c
++++ b/net/ipv4/netlink.c
+@@ -3,9 +3,10 @@
+ #include <linux/types.h>
+ #include <net/net_namespace.h>
+ #include <net/netlink.h>
++#include <linux/in6.h>
+ #include <net/ip.h>
+
+-int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
++int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
+ struct netlink_ext_ack *extack)
+ {
+ *ip_proto = nla_get_u8(attr);
+@@ -13,11 +14,19 @@ int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
+ switch (*ip_proto) {
+ case IPPROTO_TCP:
+ case IPPROTO_UDP:
++ return 0;
+ case IPPROTO_ICMP:
++ if (family != AF_INET)
++ break;
++ return 0;
++#if IS_ENABLED(CONFIG_IPV6)
++ case IPPROTO_ICMPV6:
++ if (family != AF_INET6)
++ break;
+ return 0;
+- default:
+- NL_SET_ERR_MSG(extack, "Unsupported ip proto");
+- return -EOPNOTSUPP;
++#endif
+ }
++ NL_SET_ERR_MSG(extack, "Unsupported ip proto");
++ return -EOPNOTSUPP;
+ }
+ EXPORT_SYMBOL_GPL(rtm_getroute_parse_ip_proto);
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 436b46c0e687f..ca87bb6784e5d 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -2814,7 +2814,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
+
+ if (tb[RTA_IP_PROTO]) {
+ err = rtm_getroute_parse_ip_proto(tb[RTA_IP_PROTO],
+- &ip_proto, extack);
++ &ip_proto, AF_INET, extack);
+ if (err)
+ return err;
+ }
+diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
+index 10aafea3af0f1..35e7092eceb37 100644
+--- a/net/ipv6/ip6mr.c
++++ b/net/ipv6/ip6mr.c
+@@ -1954,10 +1954,10 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
+
+ static inline int ip6mr_forward2_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
+ {
+- __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
+- IPSTATS_MIB_OUTFORWDATAGRAMS);
+- __IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)),
+- IPSTATS_MIB_OUTOCTETS, skb->len);
++ IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
++ IPSTATS_MIB_OUTFORWDATAGRAMS);
++ IP6_ADD_STATS(net, ip6_dst_idev(skb_dst(skb)),
++ IPSTATS_MIB_OUTOCTETS, skb->len);
+ return dst_output(net, sk, skb);
+ }
+
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index 08c4516ae4a4d..ba59a9c14e02a 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -4213,6 +4213,10 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
+ cfg->fc_gateway = nla_get_in6_addr(tb[RTA_GATEWAY]);
+ cfg->fc_flags |= RTF_GATEWAY;
+ }
++ if (tb[RTA_VIA]) {
++ NL_SET_ERR_MSG(extack, "IPv6 does not support RTA_VIA attribute");
++ goto errout;
++ }
+
+ if (tb[RTA_DST]) {
+ int plen = (rtm->rtm_dst_len + 7) >> 3;
+@@ -4907,7 +4911,8 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
+
+ if (tb[RTA_IP_PROTO]) {
+ err = rtm_getroute_parse_ip_proto(tb[RTA_IP_PROTO],
+- &fl6.flowi6_proto, extack);
++ &fl6.flowi6_proto, AF_INET6,
++ extack);
+ if (err)
+ goto errout;
+ }
+diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
+index da6d5a3f53995..868d7da7a0cb3 100644
+--- a/net/ipv6/sit.c
++++ b/net/ipv6/sit.c
+@@ -1873,6 +1873,7 @@ static int __net_init sit_init_net(struct net *net)
+
+ err_reg_dev:
+ ipip6_dev_free(sitn->fb_tunnel_dev);
++ free_netdev(sitn->fb_tunnel_dev);
+ err_alloc_dev:
+ return err;
+ }
+diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
+index 8fbe6cdbe255d..d5a4db5b3fe7b 100644
+--- a/net/mpls/af_mpls.c
++++ b/net/mpls/af_mpls.c
+@@ -1822,6 +1822,9 @@ static int rtm_to_route_config(struct sk_buff *skb,
+ goto errout;
+ break;
+ }
++ case RTA_GATEWAY:
++ NL_SET_ERR_MSG(extack, "MPLS does not support RTA_GATEWAY attribute");
++ goto errout;
+ case RTA_VIA:
+ {
+ if (nla_get_via(nla, &cfg->rc_via_alen,
+diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
+index ea7c67050792c..ee3e5b6471a69 100644
+--- a/net/netlabel/netlabel_kapi.c
++++ b/net/netlabel/netlabel_kapi.c
+@@ -903,7 +903,8 @@ int netlbl_bitmap_walk(const unsigned char *bitmap, u32 bitmap_len,
+ (state == 0 && (byte & bitmask) == 0))
+ return bit_spot;
+
+- bit_spot++;
++ if (++bit_spot >= bitmap_len)
++ return -1;
+ bitmask >>= 1;
+ if (bitmask == 0) {
+ byte = bitmap[++byte_offset];
+diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c
+index 6a196e438b6c0..d1fc019e932e0 100644
+--- a/net/nfc/llcp_commands.c
++++ b/net/nfc/llcp_commands.c
+@@ -419,6 +419,10 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock)
+ sock->service_name,
+ sock->service_name_len,
+ &service_name_tlv_length);
++ if (!service_name_tlv) {
++ err = -ENOMEM;
++ goto error_tlv;
++ }
+ size += service_name_tlv_length;
+ }
+
+@@ -429,9 +433,17 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock)
+
+ miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0,
+ &miux_tlv_length);
++ if (!miux_tlv) {
++ err = -ENOMEM;
++ goto error_tlv;
++ }
+ size += miux_tlv_length;
+
+ rw_tlv = nfc_llcp_build_tlv(LLCP_TLV_RW, &rw, 0, &rw_tlv_length);
++ if (!rw_tlv) {
++ err = -ENOMEM;
++ goto error_tlv;
++ }
+ size += rw_tlv_length;
+
+ pr_debug("SKB size %d SN length %zu\n", size, sock->service_name_len);
+@@ -484,9 +496,17 @@ int nfc_llcp_send_cc(struct nfc_llcp_sock *sock)
+
+ miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0,
+ &miux_tlv_length);
++ if (!miux_tlv) {
++ err = -ENOMEM;
++ goto error_tlv;
++ }
+ size += miux_tlv_length;
+
+ rw_tlv = nfc_llcp_build_tlv(LLCP_TLV_RW, &rw, 0, &rw_tlv_length);
++ if (!rw_tlv) {
++ err = -ENOMEM;
++ goto error_tlv;
++ }
+ size += rw_tlv_length;
+
+ skb = llcp_allocate_pdu(sock, LLCP_PDU_CC, size);
+diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
+index ef4026a23e802..4fa015208aab1 100644
+--- a/net/nfc/llcp_core.c
++++ b/net/nfc/llcp_core.c
+@@ -532,10 +532,10 @@ static u8 nfc_llcp_reserve_sdp_ssap(struct nfc_llcp_local *local)
+
+ static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
+ {
+- u8 *gb_cur, *version_tlv, version, version_length;
+- u8 *lto_tlv, lto_length;
+- u8 *wks_tlv, wks_length;
+- u8 *miux_tlv, miux_length;
++ u8 *gb_cur, version, version_length;
++ u8 lto_length, wks_length, miux_length;
++ u8 *version_tlv = NULL, *lto_tlv = NULL,
++ *wks_tlv = NULL, *miux_tlv = NULL;
+ __be16 wks = cpu_to_be16(local->local_wks);
+ u8 gb_len = 0;
+ int ret = 0;
+@@ -543,17 +543,33 @@ static int nfc_llcp_build_gb(struct nfc_llcp_local *local)
+ version = LLCP_VERSION_11;
+ version_tlv = nfc_llcp_build_tlv(LLCP_TLV_VERSION, &version,
+ 1, &version_length);
++ if (!version_tlv) {
++ ret = -ENOMEM;
++ goto out;
++ }
+ gb_len += version_length;
+
+ lto_tlv = nfc_llcp_build_tlv(LLCP_TLV_LTO, &local->lto, 1, <o_length);
++ if (!lto_tlv) {
++ ret = -ENOMEM;
++ goto out;
++ }
+ gb_len += lto_length;
+
+ pr_debug("Local wks 0x%lx\n", local->local_wks);
+ wks_tlv = nfc_llcp_build_tlv(LLCP_TLV_WKS, (u8 *)&wks, 2, &wks_length);
++ if (!wks_tlv) {
++ ret = -ENOMEM;
++ goto out;
++ }
+ gb_len += wks_length;
+
+ miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&local->miux, 0,
+ &miux_length);
++ if (!miux_tlv) {
++ ret = -ENOMEM;
++ goto out;
++ }
+ gb_len += miux_length;
+
+ gb_len += ARRAY_SIZE(llcp_magic);
+diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
+index 8525de8116163..334f3a0576713 100644
+--- a/net/sched/act_ipt.c
++++ b/net/sched/act_ipt.c
+@@ -199,8 +199,7 @@ err3:
+ err2:
+ kfree(tname);
+ err1:
+- if (ret == ACT_P_CREATED)
+- tcf_idr_release(*a, bind);
++ tcf_idr_release(*a, bind);
+ return err;
+ }
+
+diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
+index 73e44ce2a8837..86d90fc5e97ea 100644
+--- a/net/sched/act_skbedit.c
++++ b/net/sched/act_skbedit.c
+@@ -191,8 +191,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
+
+ params_new = kzalloc(sizeof(*params_new), GFP_KERNEL);
+ if (unlikely(!params_new)) {
+- if (ret == ACT_P_CREATED)
+- tcf_idr_release(*a, bind);
++ tcf_idr_release(*a, bind);
+ return -ENOMEM;
+ }
+
+diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
+index 0f6601fdf8899..72d9c432e8b42 100644
+--- a/net/sched/act_tunnel_key.c
++++ b/net/sched/act_tunnel_key.c
+@@ -377,7 +377,8 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
+ return ret;
+
+ release_tun_meta:
+- dst_release(&metadata->dst);
++ if (metadata)
++ dst_release(&metadata->dst);
+
+ err_out:
+ if (exists)
+diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
+index 69078c82963ef..77b289da77636 100644
+--- a/net/sched/sch_generic.c
++++ b/net/sched/sch_generic.c
+@@ -68,7 +68,7 @@ static inline struct sk_buff *__skb_dequeue_bad_txq(struct Qdisc *q)
+ skb = __skb_dequeue(&q->skb_bad_txq);
+ if (qdisc_is_percpu_stats(q)) {
+ qdisc_qstats_cpu_backlog_dec(q, skb);
+- qdisc_qstats_cpu_qlen_dec(q);
++ qdisc_qstats_atomic_qlen_dec(q);
+ } else {
+ qdisc_qstats_backlog_dec(q, skb);
+ q->q.qlen--;
+@@ -108,7 +108,7 @@ static inline void qdisc_enqueue_skb_bad_txq(struct Qdisc *q,
+
+ if (qdisc_is_percpu_stats(q)) {
+ qdisc_qstats_cpu_backlog_inc(q, skb);
+- qdisc_qstats_cpu_qlen_inc(q);
++ qdisc_qstats_atomic_qlen_inc(q);
+ } else {
+ qdisc_qstats_backlog_inc(q, skb);
+ q->q.qlen++;
+@@ -147,7 +147,7 @@ static inline int dev_requeue_skb_locked(struct sk_buff *skb, struct Qdisc *q)
+
+ qdisc_qstats_cpu_requeues_inc(q);
+ qdisc_qstats_cpu_backlog_inc(q, skb);
+- qdisc_qstats_cpu_qlen_inc(q);
++ qdisc_qstats_atomic_qlen_inc(q);
+
+ skb = next;
+ }
+@@ -252,7 +252,7 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate,
+ skb = __skb_dequeue(&q->gso_skb);
+ if (qdisc_is_percpu_stats(q)) {
+ qdisc_qstats_cpu_backlog_dec(q, skb);
+- qdisc_qstats_cpu_qlen_dec(q);
++ qdisc_qstats_atomic_qlen_dec(q);
+ } else {
+ qdisc_qstats_backlog_dec(q, skb);
+ q->q.qlen--;
+@@ -633,7 +633,7 @@ static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
+ if (unlikely(err))
+ return qdisc_drop_cpu(skb, qdisc, to_free);
+
+- qdisc_qstats_cpu_qlen_inc(qdisc);
++ qdisc_qstats_atomic_qlen_inc(qdisc);
+ /* Note: skb can not be used after skb_array_produce(),
+ * so we better not use qdisc_qstats_cpu_backlog_inc()
+ */
+@@ -658,7 +658,7 @@ static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
+ if (likely(skb)) {
+ qdisc_qstats_cpu_backlog_dec(qdisc, skb);
+ qdisc_bstats_cpu_update(qdisc, skb);
+- qdisc_qstats_cpu_qlen_dec(qdisc);
++ qdisc_qstats_atomic_qlen_dec(qdisc);
+ }
+
+ return skb;
+@@ -702,7 +702,6 @@ static void pfifo_fast_reset(struct Qdisc *qdisc)
+ struct gnet_stats_queue *q = per_cpu_ptr(qdisc->cpu_qstats, i);
+
+ q->backlog = 0;
+- q->qlen = 0;
+ }
+ }
+
+diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
+index 74c0f656f28c5..4dfe10b9f96c8 100644
+--- a/net/sched/sch_netem.c
++++ b/net/sched/sch_netem.c
+@@ -440,6 +440,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ int nb = 0;
+ int count = 1;
+ int rc = NET_XMIT_SUCCESS;
++ int rc_drop = NET_XMIT_DROP;
+
+ /* Do not fool qdisc_drop_all() */
+ skb->prev = NULL;
+@@ -479,6 +480,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ q->duplicate = 0;
+ rootq->enqueue(skb2, rootq, to_free);
+ q->duplicate = dupsave;
++ rc_drop = NET_XMIT_SUCCESS;
+ }
+
+ /*
+@@ -491,7 +493,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ if (skb_is_gso(skb)) {
+ segs = netem_segment(skb, sch, to_free);
+ if (!segs)
+- return NET_XMIT_DROP;
++ return rc_drop;
+ } else {
+ segs = skb;
+ }
+@@ -514,8 +516,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ 1<<(prandom_u32() % 8);
+ }
+
+- if (unlikely(sch->q.qlen >= sch->limit))
+- return qdisc_drop_all(skb, sch, to_free);
++ if (unlikely(sch->q.qlen >= sch->limit)) {
++ qdisc_drop_all(skb, sch, to_free);
++ return rc_drop;
++ }
+
+ qdisc_qstats_backlog_inc(sch, skb);
+
+diff --git a/net/sctp/socket.c b/net/sctp/socket.c
+index e5e70cff5bb30..1b16250c5718d 100644
+--- a/net/sctp/socket.c
++++ b/net/sctp/socket.c
+@@ -1884,6 +1884,7 @@ static int sctp_sendmsg_check_sflags(struct sctp_association *asoc,
+
+ pr_debug("%s: aborting association:%p\n", __func__, asoc);
+ sctp_primitive_ABORT(net, asoc, chunk);
++ iov_iter_revert(&msg->msg_iter, msg_len);
+
+ return 0;
+ }
+diff --git a/net/socket.c b/net/socket.c
+index 5c820212ba815..18d27b8c25116 100644
+--- a/net/socket.c
++++ b/net/socket.c
+@@ -577,6 +577,7 @@ static void __sock_release(struct socket *sock, struct inode *inode)
+ if (inode)
+ inode_lock(inode);
+ sock->ops->release(sock);
++ sock->sk = NULL;
+ if (inode)
+ inode_unlock(inode);
+ sock->ops = NULL;
+diff --git a/net/tipc/socket.c b/net/tipc/socket.c
+index e1bdaf056c8f7..88c307ef13181 100644
+--- a/net/tipc/socket.c
++++ b/net/tipc/socket.c
+@@ -377,11 +377,13 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout)
+
+ #define tipc_wait_for_cond(sock_, timeo_, condition_) \
+ ({ \
++ DEFINE_WAIT_FUNC(wait_, woken_wake_function); \
+ struct sock *sk_; \
+ int rc_; \
+ \
+ while ((rc_ = !(condition_))) { \
+- DEFINE_WAIT_FUNC(wait_, woken_wake_function); \
++ /* coupled with smp_wmb() in tipc_sk_proto_rcv() */ \
++ smp_rmb(); \
+ sk_ = (sock_)->sk; \
+ rc_ = tipc_sk_sock_err((sock_), timeo_); \
+ if (rc_) \
+@@ -1318,7 +1320,7 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
+
+ if (unlikely(!dest)) {
+ dest = &tsk->peer;
+- if (!syn || dest->family != AF_TIPC)
++ if (!syn && dest->family != AF_TIPC)
+ return -EDESTADDRREQ;
+ }
+
+@@ -1961,6 +1963,8 @@ static void tipc_sk_proto_rcv(struct sock *sk,
+ return;
+ case SOCK_WAKEUP:
+ tipc_dest_del(&tsk->cong_links, msg_orignode(hdr), 0);
++ /* coupled with smp_rmb() in tipc_wait_for_cond() */
++ smp_wmb();
+ tsk->cong_link_cnt--;
+ wakeup = true;
+ break;
+diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh
+index 6c5f1b2ffb745..1cbb12e284a68 100755
+--- a/tools/testing/selftests/firmware/fw_lib.sh
++++ b/tools/testing/selftests/firmware/fw_lib.sh
+@@ -91,7 +91,7 @@ verify_reqs()
+ if [ "$TEST_REQS_FW_SYSFS_FALLBACK" = "yes" ]; then
+ if [ ! "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
+ echo "usermode helper disabled so ignoring test"
+- exit $ksft_skip
++ exit 0
+ fi
+ fi
+ }
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