From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Mon, 7 Oct 2019 17:39:46 +0000 (UTC) [thread overview]
Message-ID: <1570469968.55cf95df828afff204ed90379d33ae8b7c0a7a64.mpagano@gentoo> (raw)
commit: 55cf95df828afff204ed90379d33ae8b7c0a7a64
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Mon Oct 7 17:39:28 2019 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Mon Oct 7 17:39:28 2019 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=55cf95df
Linux patch 4.14.148
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1147_linux-4.14.148.patch | 2595 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 2599 insertions(+)
diff --git a/0000_README b/0000_README
index 300d3fc..140c250 100644
--- a/0000_README
+++ b/0000_README
@@ -631,6 +631,10 @@ Patch: 1146_linux-4.14.147.patch
From: https://www.kernel.org
Desc: Linux 4.14.147
+Patch: 1147_linux-4.14.148.patch
+From: https://www.kernel.org
+Desc: Linux 4.14.148
+
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/1147_linux-4.14.148.patch b/1147_linux-4.14.148.patch
new file mode 100644
index 0000000..e0d3bfb
--- /dev/null
+++ b/1147_linux-4.14.148.patch
@@ -0,0 +1,2595 @@
+diff --git a/Makefile b/Makefile
+index d6f1a056b233..feecefa13ca6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 147
++SUBLEVEL = 148
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
+index 49b1b8048635..9bb446cc135d 100644
+--- a/arch/arm/mm/fault.c
++++ b/arch/arm/mm/fault.c
+@@ -215,7 +215,7 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma)
+ {
+ unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
+
+- if (fsr & FSR_WRITE)
++ if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
+ mask = VM_WRITE;
+ if (fsr & FSR_LNX_PF)
+ mask = VM_EXEC;
+@@ -285,7 +285,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
+
+ if (user_mode(regs))
+ flags |= FAULT_FLAG_USER;
+- if (fsr & FSR_WRITE)
++ if ((fsr & FSR_WRITE) && !(fsr & FSR_CM))
+ flags |= FAULT_FLAG_WRITE;
+
+ /*
+diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
+index c063708fa503..9ecc2097a87a 100644
+--- a/arch/arm/mm/fault.h
++++ b/arch/arm/mm/fault.h
+@@ -6,6 +6,7 @@
+ * Fault status register encodings. We steal bit 31 for our own purposes.
+ */
+ #define FSR_LNX_PF (1 << 31)
++#define FSR_CM (1 << 13)
+ #define FSR_WRITE (1 << 11)
+ #define FSR_FS4 (1 << 10)
+ #define FSR_FS3_0 (15)
+diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
+index e46a6a446cdd..70e560cf8ca0 100644
+--- a/arch/arm/mm/mmu.c
++++ b/arch/arm/mm/mmu.c
+@@ -1175,6 +1175,22 @@ void __init adjust_lowmem_bounds(void)
+ */
+ vmalloc_limit = (u64)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET;
+
++ /*
++ * The first usable region must be PMD aligned. Mark its start
++ * as MEMBLOCK_NOMAP if it isn't
++ */
++ for_each_memblock(memory, reg) {
++ if (!memblock_is_nomap(reg)) {
++ if (!IS_ALIGNED(reg->base, PMD_SIZE)) {
++ phys_addr_t len;
++
++ len = round_up(reg->base, PMD_SIZE) - reg->base;
++ memblock_mark_nomap(reg->base, len);
++ }
++ break;
++ }
++ }
++
+ for_each_memblock(memory, reg) {
+ phys_addr_t block_start = reg->base;
+ phys_addr_t block_end = reg->base + reg->size;
+diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
+index 0f2e1ab5e166..9b2e2e2e728a 100644
+--- a/arch/arm64/include/asm/cmpxchg.h
++++ b/arch/arm64/include/asm/cmpxchg.h
+@@ -73,7 +73,7 @@ __XCHG_CASE( , , mb_8, dmb ish, nop, , a, l, "memory")
+ #undef __XCHG_CASE
+
+ #define __XCHG_GEN(sfx) \
+-static inline unsigned long __xchg##sfx(unsigned long x, \
++static __always_inline unsigned long __xchg##sfx(unsigned long x, \
+ volatile void *ptr, \
+ int size) \
+ { \
+@@ -115,7 +115,7 @@ __XCHG_GEN(_mb)
+ #define xchg(...) __xchg_wrapper( _mb, __VA_ARGS__)
+
+ #define __CMPXCHG_GEN(sfx) \
+-static inline unsigned long __cmpxchg##sfx(volatile void *ptr, \
++static __always_inline unsigned long __cmpxchg##sfx(volatile void *ptr, \
+ unsigned long old, \
+ unsigned long new, \
+ int size) \
+@@ -248,7 +248,7 @@ __CMPWAIT_CASE( , , 8);
+ #undef __CMPWAIT_CASE
+
+ #define __CMPWAIT_GEN(sfx) \
+-static inline void __cmpwait##sfx(volatile void *ptr, \
++static __always_inline void __cmpwait##sfx(volatile void *ptr, \
+ unsigned long val, \
+ int size) \
+ { \
+diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
+index c2a6869418f7..dc495578d44d 100644
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -634,7 +634,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
+ return;
+ }
+
+- if (cpu_has_rixi && _PAGE_NO_EXEC) {
++ if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
+ if (fill_includes_sw_bits) {
+ UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
+ } else {
+diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
+index 1a944c18c539..3c7d85945229 100644
+--- a/arch/powerpc/include/asm/futex.h
++++ b/arch/powerpc/include/asm/futex.h
+@@ -59,8 +59,7 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
+
+ pagefault_enable();
+
+- if (!ret)
+- *oval = oldval;
++ *oval = oldval;
+
+ return ret;
+ }
+diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
+index 43cde6c60279..cdc53fd90597 100644
+--- a/arch/powerpc/kernel/exceptions-64s.S
++++ b/arch/powerpc/kernel/exceptions-64s.S
+@@ -464,6 +464,10 @@ EXC_COMMON_BEGIN(machine_check_handle_early)
+ RFI_TO_USER_OR_KERNEL
+ 9:
+ /* Deliver the machine check to host kernel in V mode. */
++BEGIN_FTR_SECTION
++ ld r10,ORIG_GPR3(r1)
++ mtspr SPRN_CFAR,r10
++END_FTR_SECTION_IFSET(CPU_FTR_CFAR)
+ MACHINE_CHECK_HANDLER_WINDUP
+ b machine_check_pSeries
+
+diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
+index 1643e9e53655..141d192c6953 100644
+--- a/arch/powerpc/kernel/rtas.c
++++ b/arch/powerpc/kernel/rtas.c
+@@ -874,15 +874,17 @@ static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ return 0;
+
+ for_each_cpu(cpu, cpus) {
++ struct device *dev = get_cpu_device(cpu);
++
+ switch (state) {
+ case DOWN:
+- cpuret = cpu_down(cpu);
++ cpuret = device_offline(dev);
+ break;
+ case UP:
+- cpuret = cpu_up(cpu);
++ cpuret = device_online(dev);
+ break;
+ }
+- if (cpuret) {
++ if (cpuret < 0) {
+ pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
+ __func__,
+ ((state == UP) ? "up" : "down"),
+@@ -971,6 +973,8 @@ int rtas_ibm_suspend_me(u64 handle)
+ data.token = rtas_token("ibm,suspend-me");
+ data.complete = &done;
+
++ lock_device_hotplug();
++
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
+ cpuret = rtas_online_cpus_mask(offline_mask);
+@@ -1002,6 +1006,7 @@ int rtas_ibm_suspend_me(u64 handle)
+ __func__);
+
+ out:
++ unlock_device_hotplug();
+ free_cpumask_var(offline_mask);
+ return atomic_read(&data.error);
+ }
+diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
+index 4addc552eb33..9739a055e5f7 100644
+--- a/arch/powerpc/platforms/pseries/mobility.c
++++ b/arch/powerpc/platforms/pseries/mobility.c
+@@ -12,6 +12,7 @@
+ #include <linux/cpu.h>
+ #include <linux/kernel.h>
+ #include <linux/kobject.h>
++#include <linux/sched.h>
+ #include <linux/smp.h>
+ #include <linux/stat.h>
+ #include <linux/completion.h>
+@@ -208,7 +209,11 @@ static int update_dt_node(__be32 phandle, s32 scope)
+
+ prop_data += vd;
+ }
++
++ cond_resched();
+ }
++
++ cond_resched();
+ } while (rtas_rc == 1);
+
+ of_node_put(dn);
+@@ -317,8 +322,12 @@ int pseries_devicetree_update(s32 scope)
+ add_dt_node(phandle, drc_index);
+ break;
+ }
++
++ cond_resched();
+ }
+ }
++
++ cond_resched();
+ } while (rc == 1);
+
+ kfree(rtas_buf);
+diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
+index 6a0ad56e89b9..7a9945b35053 100644
+--- a/arch/powerpc/platforms/pseries/setup.c
++++ b/arch/powerpc/platforms/pseries/setup.c
+@@ -307,6 +307,9 @@ static void pseries_lpar_idle(void)
+ * low power mode by ceding processor to hypervisor
+ */
+
++ if (!prep_irq_for_idle())
++ return;
++
+ /* Indicate to hypervisor that we are idle. */
+ get_lppaca()->idle = 1;
+
+diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
+index 6b9038a3e79f..5a739588aa50 100644
+--- a/arch/powerpc/xmon/xmon.c
++++ b/arch/powerpc/xmon/xmon.c
+@@ -2438,13 +2438,16 @@ static void dump_pacas(void)
+ static void dump_one_xive(int cpu)
+ {
+ unsigned int hwid = get_hard_smp_processor_id(cpu);
++ bool hv = cpu_has_feature(CPU_FTR_HVMODE);
+
+- opal_xive_dump(XIVE_DUMP_TM_HYP, hwid);
+- opal_xive_dump(XIVE_DUMP_TM_POOL, hwid);
+- opal_xive_dump(XIVE_DUMP_TM_OS, hwid);
+- opal_xive_dump(XIVE_DUMP_TM_USER, hwid);
+- opal_xive_dump(XIVE_DUMP_VP, hwid);
+- opal_xive_dump(XIVE_DUMP_EMU_STATE, hwid);
++ if (hv) {
++ opal_xive_dump(XIVE_DUMP_TM_HYP, hwid);
++ opal_xive_dump(XIVE_DUMP_TM_POOL, hwid);
++ opal_xive_dump(XIVE_DUMP_TM_OS, hwid);
++ opal_xive_dump(XIVE_DUMP_TM_USER, hwid);
++ opal_xive_dump(XIVE_DUMP_VP, hwid);
++ opal_xive_dump(XIVE_DUMP_EMU_STATE, hwid);
++ }
+
+ if (setjmp(bus_error_jmp) != 0) {
+ catch_memory_errors = 0;
+diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
+index 45eb5999110b..32f5b3fb069f 100644
+--- a/arch/s390/hypfs/inode.c
++++ b/arch/s390/hypfs/inode.c
+@@ -269,7 +269,7 @@ static int hypfs_show_options(struct seq_file *s, struct dentry *root)
+ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
+ {
+ struct inode *root_inode;
+- struct dentry *root_dentry;
++ struct dentry *root_dentry, *update_file;
+ int rc = 0;
+ struct hypfs_sb_info *sbi;
+
+@@ -300,9 +300,10 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
+ rc = hypfs_diag_create_files(root_dentry);
+ if (rc)
+ return rc;
+- sbi->update_file = hypfs_create_update_file(root_dentry);
+- if (IS_ERR(sbi->update_file))
+- return PTR_ERR(sbi->update_file);
++ update_file = hypfs_create_update_file(root_dentry);
++ if (IS_ERR(update_file))
++ return PTR_ERR(update_file);
++ sbi->update_file = update_file;
+ hypfs_update_update(sb);
+ pr_info("Hypervisor filesystem mounted\n");
+ return 0;
+diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
+index 11ec92e47455..94944d063b37 100644
+--- a/drivers/block/pktcdvd.c
++++ b/drivers/block/pktcdvd.c
+@@ -2585,7 +2585,6 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
+ if (ret)
+ return ret;
+ if (!blk_queue_scsi_passthrough(bdev_get_queue(bdev))) {
+- WARN_ONCE(true, "Attempt to register a non-SCSI queue\n");
+ blkdev_put(bdev, FMODE_READ | FMODE_NDELAY);
+ return -EINVAL;
+ }
+diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
+index a106cf7b5ee0..f6ba90b90503 100644
+--- a/drivers/char/ipmi/ipmi_si_intf.c
++++ b/drivers/char/ipmi/ipmi_si_intf.c
+@@ -284,6 +284,9 @@ struct smi_info {
+ */
+ bool irq_enable_broken;
+
++ /* Is the driver in maintenance mode? */
++ bool in_maintenance_mode;
++
+ /*
+ * Did we get an attention that we did not handle?
+ */
+@@ -1094,11 +1097,20 @@ static int ipmi_thread(void *data)
+ spin_unlock_irqrestore(&(smi_info->si_lock), flags);
+ busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
+ &busy_until);
+- if (smi_result == SI_SM_CALL_WITHOUT_DELAY)
++ if (smi_result == SI_SM_CALL_WITHOUT_DELAY) {
+ ; /* do nothing */
+- else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
+- schedule();
+- else if (smi_result == SI_SM_IDLE) {
++ } else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait) {
++ /*
++ * In maintenance mode we run as fast as
++ * possible to allow firmware updates to
++ * complete as fast as possible, but normally
++ * don't bang on the scheduler.
++ */
++ if (smi_info->in_maintenance_mode)
++ schedule();
++ else
++ usleep_range(100, 200);
++ } else if (smi_result == SI_SM_IDLE) {
+ if (atomic_read(&smi_info->need_watch)) {
+ schedule_timeout_interruptible(100);
+ } else {
+@@ -1106,8 +1118,9 @@ static int ipmi_thread(void *data)
+ __set_current_state(TASK_INTERRUPTIBLE);
+ schedule();
+ }
+- } else
++ } else {
+ schedule_timeout_interruptible(1);
++ }
+ }
+ return 0;
+ }
+@@ -1286,6 +1299,7 @@ static void set_maintenance_mode(void *send_info, bool enable)
+
+ if (!enable)
+ atomic_set(&smi_info->req_events, 0);
++ smi_info->in_maintenance_mode = enable;
+ }
+
+ static const struct ipmi_smi_handlers handlers = {
+diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
+index 0eca20c5a80c..dcf5bb153495 100644
+--- a/drivers/char/tpm/tpm-chip.c
++++ b/drivers/char/tpm/tpm-chip.c
+@@ -158,12 +158,13 @@ static int tpm_class_shutdown(struct device *dev)
+ {
+ struct tpm_chip *chip = container_of(dev, struct tpm_chip, dev);
+
++ down_write(&chip->ops_sem);
+ if (chip->flags & TPM_CHIP_FLAG_TPM2) {
+- down_write(&chip->ops_sem);
+ tpm2_shutdown(chip, TPM2_SU_CLEAR);
+ chip->ops = NULL;
+- up_write(&chip->ops_sem);
+ }
++ chip->ops = NULL;
++ up_write(&chip->ops_sem);
+
+ return 0;
+ }
+diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
+index 86f38d239476..177a60e5c6ec 100644
+--- a/drivers/char/tpm/tpm-sysfs.c
++++ b/drivers/char/tpm/tpm-sysfs.c
+@@ -20,44 +20,46 @@
+ #include <linux/device.h>
+ #include "tpm.h"
+
+-#define READ_PUBEK_RESULT_SIZE 314
++struct tpm_readpubek_out {
++ u8 algorithm[4];
++ u8 encscheme[2];
++ u8 sigscheme[2];
++ __be32 paramsize;
++ u8 parameters[12];
++ __be32 keysize;
++ u8 modulus[256];
++ u8 checksum[20];
++} __packed;
++
+ #define READ_PUBEK_RESULT_MIN_BODY_SIZE (28 + 256)
+ #define TPM_ORD_READPUBEK 124
+-static const struct tpm_input_header tpm_readpubek_header = {
+- .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
+- .length = cpu_to_be32(30),
+- .ordinal = cpu_to_be32(TPM_ORD_READPUBEK)
+-};
++
+ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
+- u8 *data;
+- struct tpm_cmd_t tpm_cmd;
+- ssize_t err;
+- int i, rc;
++ struct tpm_buf tpm_buf;
++ struct tpm_readpubek_out *out;
++ int i;
+ char *str = buf;
+ struct tpm_chip *chip = to_tpm_chip(dev);
++ char anti_replay[20];
+
+- memset(&tpm_cmd, 0, sizeof(tpm_cmd));
+-
+- tpm_cmd.header.in = tpm_readpubek_header;
+- err = tpm_transmit_cmd(chip, NULL, &tpm_cmd, READ_PUBEK_RESULT_SIZE,
+- READ_PUBEK_RESULT_MIN_BODY_SIZE, 0,
+- "attempting to read the PUBEK");
+- if (err)
+- goto out;
+-
+- /*
+- ignore header 10 bytes
+- algorithm 32 bits (1 == RSA )
+- encscheme 16 bits
+- sigscheme 16 bits
+- parameters (RSA 12->bytes: keybit, #primes, expbit)
+- keylenbytes 32 bits
+- 256 byte modulus
+- ignore checksum 20 bytes
+- */
+- data = tpm_cmd.params.readpubek_out_buffer;
++ memset(&anti_replay, 0, sizeof(anti_replay));
++
++ if (tpm_try_get_ops(chip))
++ return 0;
++
++ if (tpm_buf_init(&tpm_buf, TPM_TAG_RQU_COMMAND, TPM_ORD_READPUBEK))
++ goto out_ops;
++
++ tpm_buf_append(&tpm_buf, anti_replay, sizeof(anti_replay));
++
++ if (tpm_transmit_cmd(chip, NULL, tpm_buf.data, PAGE_SIZE,
++ READ_PUBEK_RESULT_MIN_BODY_SIZE, 0,
++ "attempting to read the PUBEK"))
++ goto out_buf;
++
++ out = (struct tpm_readpubek_out *)&tpm_buf.data[10];
+ str +=
+ sprintf(str,
+ "Algorithm: %02X %02X %02X %02X\n"
+@@ -68,22 +70,29 @@ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,
+ "%02X %02X %02X %02X\n"
+ "Modulus length: %d\n"
+ "Modulus:\n",
+- data[0], data[1], data[2], data[3],
+- data[4], data[5],
+- data[6], data[7],
+- data[12], data[13], data[14], data[15],
+- data[16], data[17], data[18], data[19],
+- data[20], data[21], data[22], data[23],
+- be32_to_cpu(*((__be32 *) (data + 24))));
++ out->algorithm[0], out->algorithm[1], out->algorithm[2],
++ out->algorithm[3],
++ out->encscheme[0], out->encscheme[1],
++ out->sigscheme[0], out->sigscheme[1],
++ out->parameters[0], out->parameters[1],
++ out->parameters[2], out->parameters[3],
++ out->parameters[4], out->parameters[5],
++ out->parameters[6], out->parameters[7],
++ out->parameters[8], out->parameters[9],
++ out->parameters[10], out->parameters[11],
++ be32_to_cpu(out->keysize));
+
+ for (i = 0; i < 256; i++) {
+- str += sprintf(str, "%02X ", data[i + 28]);
++ str += sprintf(str, "%02X ", out->modulus[i]);
+ if ((i + 1) % 16 == 0)
+ str += sprintf(str, "\n");
+ }
+-out:
+- rc = str - buf;
+- return rc;
++
++out_buf:
++ tpm_buf_destroy(&tpm_buf);
++out_ops:
++ tpm_put_ops(chip);
++ return str - buf;
+ }
+ static DEVICE_ATTR_RO(pubek);
+
+@@ -97,12 +106,16 @@ static ssize_t pcrs_show(struct device *dev, struct device_attribute *attr,
+ char *str = buf;
+ struct tpm_chip *chip = to_tpm_chip(dev);
+
+- rc = tpm_getcap(chip, TPM_CAP_PROP_PCR, &cap,
+- "attempting to determine the number of PCRS",
+- sizeof(cap.num_pcrs));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
+
++ if (tpm_getcap(chip, TPM_CAP_PROP_PCR, &cap,
++ "attempting to determine the number of PCRS",
++ sizeof(cap.num_pcrs))) {
++ tpm_put_ops(chip);
++ return 0;
++ }
++
+ num_pcrs = be32_to_cpu(cap.num_pcrs);
+ for (i = 0; i < num_pcrs; i++) {
+ rc = tpm_pcr_read_dev(chip, i, digest);
+@@ -113,6 +126,7 @@ static ssize_t pcrs_show(struct device *dev, struct device_attribute *attr,
+ str += sprintf(str, "%02X ", digest[j]);
+ str += sprintf(str, "\n");
+ }
++ tpm_put_ops(chip);
+ return str - buf;
+ }
+ static DEVICE_ATTR_RO(pcrs);
+@@ -120,16 +134,21 @@ static DEVICE_ATTR_RO(pcrs);
+ static ssize_t enabled_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
++ struct tpm_chip *chip = to_tpm_chip(dev);
++ ssize_t rc = 0;
+ cap_t cap;
+- ssize_t rc;
+
+- rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_PERM, &cap,
+- "attempting to determine the permanent enabled state",
+- sizeof(cap.perm_flags));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
+
++ if (tpm_getcap(chip, TPM_CAP_FLAG_PERM, &cap,
++ "attempting to determine the permanent enabled state",
++ sizeof(cap.perm_flags)))
++ goto out_ops;
++
+ rc = sprintf(buf, "%d\n", !cap.perm_flags.disable);
++out_ops:
++ tpm_put_ops(chip);
+ return rc;
+ }
+ static DEVICE_ATTR_RO(enabled);
+@@ -137,16 +156,21 @@ static DEVICE_ATTR_RO(enabled);
+ static ssize_t active_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
++ struct tpm_chip *chip = to_tpm_chip(dev);
++ ssize_t rc = 0;
+ cap_t cap;
+- ssize_t rc;
+
+- rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_PERM, &cap,
+- "attempting to determine the permanent active state",
+- sizeof(cap.perm_flags));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
+
++ if (tpm_getcap(chip, TPM_CAP_FLAG_PERM, &cap,
++ "attempting to determine the permanent active state",
++ sizeof(cap.perm_flags)))
++ goto out_ops;
++
+ rc = sprintf(buf, "%d\n", !cap.perm_flags.deactivated);
++out_ops:
++ tpm_put_ops(chip);
+ return rc;
+ }
+ static DEVICE_ATTR_RO(active);
+@@ -154,16 +178,21 @@ static DEVICE_ATTR_RO(active);
+ static ssize_t owned_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
++ struct tpm_chip *chip = to_tpm_chip(dev);
++ ssize_t rc = 0;
+ cap_t cap;
+- ssize_t rc;
+
+- rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_PROP_OWNER, &cap,
+- "attempting to determine the owner state",
+- sizeof(cap.owned));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
+
++ if (tpm_getcap(to_tpm_chip(dev), TPM_CAP_PROP_OWNER, &cap,
++ "attempting to determine the owner state",
++ sizeof(cap.owned)))
++ goto out_ops;
++
+ rc = sprintf(buf, "%d\n", cap.owned);
++out_ops:
++ tpm_put_ops(chip);
+ return rc;
+ }
+ static DEVICE_ATTR_RO(owned);
+@@ -171,16 +200,21 @@ static DEVICE_ATTR_RO(owned);
+ static ssize_t temp_deactivated_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+ {
++ struct tpm_chip *chip = to_tpm_chip(dev);
++ ssize_t rc = 0;
+ cap_t cap;
+- ssize_t rc;
+
+- rc = tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_VOL, &cap,
+- "attempting to determine the temporary state",
+- sizeof(cap.stclear_flags));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
+
++ if (tpm_getcap(to_tpm_chip(dev), TPM_CAP_FLAG_VOL, &cap,
++ "attempting to determine the temporary state",
++ sizeof(cap.stclear_flags)))
++ goto out_ops;
++
+ rc = sprintf(buf, "%d\n", cap.stclear_flags.deactivated);
++out_ops:
++ tpm_put_ops(chip);
+ return rc;
+ }
+ static DEVICE_ATTR_RO(temp_deactivated);
+@@ -189,15 +223,18 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
+ struct tpm_chip *chip = to_tpm_chip(dev);
+- cap_t cap;
+- ssize_t rc;
++ ssize_t rc = 0;
+ char *str = buf;
++ cap_t cap;
+
+- rc = tpm_getcap(chip, TPM_CAP_PROP_MANUFACTURER, &cap,
+- "attempting to determine the manufacturer",
+- sizeof(cap.manufacturer_id));
+- if (rc)
++ if (tpm_try_get_ops(chip))
+ return 0;
++
++ if (tpm_getcap(chip, TPM_CAP_PROP_MANUFACTURER, &cap,
++ "attempting to determine the manufacturer",
++ sizeof(cap.manufacturer_id)))
++ goto out_ops;
++
+ str += sprintf(str, "Manufacturer: 0x%x\n",
+ be32_to_cpu(cap.manufacturer_id));
+
+@@ -214,20 +251,22 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr,
+ cap.tpm_version_1_2.revMinor);
+ } else {
+ /* Otherwise just use TPM_STRUCT_VER */
+- rc = tpm_getcap(chip, TPM_CAP_VERSION_1_1, &cap,
+- "attempting to determine the 1.1 version",
+- sizeof(cap.tpm_version));
+- if (rc)
+- return 0;
++ if (tpm_getcap(chip, TPM_CAP_VERSION_1_1, &cap,
++ "attempting to determine the 1.1 version",
++ sizeof(cap.tpm_version)))
++ goto out_ops;
++
+ str += sprintf(str,
+ "TCG version: %d.%d\nFirmware version: %d.%d\n",
+ cap.tpm_version.Major,
+ cap.tpm_version.Minor,
+ cap.tpm_version.revMajor,
+ cap.tpm_version.revMinor);
+- }
+-
+- return str - buf;
++}
++ rc = str - buf;
++out_ops:
++ tpm_put_ops(chip);
++ return rc;
+ }
+ static DEVICE_ATTR_RO(caps);
+
+@@ -235,10 +274,12 @@ static ssize_t cancel_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+ {
+ struct tpm_chip *chip = to_tpm_chip(dev);
+- if (chip == NULL)
++
++ if (tpm_try_get_ops(chip))
+ return 0;
+
+ chip->ops->cancel(chip);
++ tpm_put_ops(chip);
+ return count;
+ }
+ static DEVICE_ATTR_WO(cancel);
+diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
+index 4bb9b4aa9b49..d53d12f3df6d 100644
+--- a/drivers/char/tpm/tpm.h
++++ b/drivers/char/tpm/tpm.h
+@@ -351,17 +351,6 @@ enum tpm_sub_capabilities {
+ TPM_CAP_PROP_TIS_DURATION = 0x120,
+ };
+
+-struct tpm_readpubek_params_out {
+- u8 algorithm[4];
+- u8 encscheme[2];
+- u8 sigscheme[2];
+- __be32 paramsize;
+- u8 parameters[12]; /*assuming RSA*/
+- __be32 keysize;
+- u8 modulus[256];
+- u8 checksum[20];
+-} __packed;
+-
+ typedef union {
+ struct tpm_input_header in;
+ struct tpm_output_header out;
+@@ -391,8 +380,6 @@ struct tpm_getrandom_in {
+ } __packed;
+
+ typedef union {
+- struct tpm_readpubek_params_out readpubek_out;
+- u8 readpubek_out_buffer[sizeof(struct tpm_readpubek_params_out)];
+ struct tpm_pcrread_in pcrread_in;
+ struct tpm_pcrread_out pcrread_out;
+ struct tpm_getrandom_in getrandom_in;
+diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
+index c813c27f2e58..2f97a843d6d6 100644
+--- a/drivers/clk/at91/clk-main.c
++++ b/drivers/clk/at91/clk-main.c
+@@ -27,6 +27,10 @@
+
+ #define MOR_KEY_MASK (0xff << 16)
+
++#define clk_main_parent_select(s) (((s) & \
++ (AT91_PMC_MOSCEN | \
++ AT91_PMC_OSCBYPASS)) ? 1 : 0)
++
+ struct clk_main_osc {
+ struct clk_hw hw;
+ struct regmap *regmap;
+@@ -119,7 +123,7 @@ static int clk_main_osc_is_prepared(struct clk_hw *hw)
+
+ regmap_read(regmap, AT91_PMC_SR, &status);
+
+- return (status & AT91_PMC_MOSCS) && (tmp & AT91_PMC_MOSCEN);
++ return (status & AT91_PMC_MOSCS) && clk_main_parent_select(tmp);
+ }
+
+ static const struct clk_ops main_osc_ops = {
+@@ -530,7 +534,7 @@ static u8 clk_sam9x5_main_get_parent(struct clk_hw *hw)
+
+ regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
+
+- return status & AT91_PMC_MOSCEN ? 1 : 0;
++ return clk_main_parent_select(status);
+ }
+
+ static const struct clk_ops sam9x5_main_ops = {
+@@ -572,7 +576,7 @@ at91_clk_register_sam9x5_main(struct regmap *regmap,
+ clkmain->hw.init = &init;
+ clkmain->regmap = regmap;
+ regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
+- clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0;
++ clkmain->parent = clk_main_parent_select(status);
+
+ hw = &clkmain->hw;
+ ret = clk_hw_register(NULL, &clkmain->hw);
+diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
+index b0ea753b8709..1a292519d84f 100644
+--- a/drivers/clk/clk-qoriq.c
++++ b/drivers/clk/clk-qoriq.c
+@@ -610,7 +610,7 @@ static const struct clockgen_chipinfo chipinfo[] = {
+ .guts_compat = "fsl,qoriq-device-config-1.0",
+ .init_periph = p5020_init_periph,
+ .cmux_groups = {
+- &p2041_cmux_grp1, &p2041_cmux_grp2
++ &p5020_cmux_grp1, &p5020_cmux_grp2
+ },
+ .cmux_to_group = {
+ 0, 1, -1
+diff --git a/drivers/clk/sirf/clk-common.c b/drivers/clk/sirf/clk-common.c
+index 77e1e2491689..edb7197cc4b4 100644
+--- a/drivers/clk/sirf/clk-common.c
++++ b/drivers/clk/sirf/clk-common.c
+@@ -298,9 +298,10 @@ static u8 dmn_clk_get_parent(struct clk_hw *hw)
+ {
+ struct clk_dmn *clk = to_dmnclk(hw);
+ u32 cfg = clkc_readl(clk->regofs);
++ const char *name = clk_hw_get_name(hw);
+
+ /* parent of io domain can only be pll3 */
+- if (strcmp(hw->init->name, "io") == 0)
++ if (strcmp(name, "io") == 0)
+ return 4;
+
+ WARN_ON((cfg & (BIT(3) - 1)) > 4);
+@@ -312,9 +313,10 @@ static int dmn_clk_set_parent(struct clk_hw *hw, u8 parent)
+ {
+ struct clk_dmn *clk = to_dmnclk(hw);
+ u32 cfg = clkc_readl(clk->regofs);
++ const char *name = clk_hw_get_name(hw);
+
+ /* parent of io domain can only be pll3 */
+- if (strcmp(hw->init->name, "io") == 0)
++ if (strcmp(name, "io") == 0)
+ return -EINVAL;
+
+ cfg &= ~(BIT(3) - 1);
+@@ -354,7 +356,8 @@ static long dmn_clk_round_rate(struct clk_hw *hw, unsigned long rate,
+ {
+ unsigned long fin;
+ unsigned ratio, wait, hold;
+- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
++ const char *name = clk_hw_get_name(hw);
++ unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
+
+ fin = *parent_rate;
+ ratio = fin / rate;
+@@ -376,7 +379,8 @@ static int dmn_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ struct clk_dmn *clk = to_dmnclk(hw);
+ unsigned long fin;
+ unsigned ratio, wait, hold, reg;
+- unsigned bits = (strcmp(hw->init->name, "mem") == 0) ? 3 : 4;
++ const char *name = clk_hw_get_name(hw);
++ unsigned bits = (strcmp(name, "mem") == 0) ? 3 : 4;
+
+ fin = parent_rate;
+ ratio = fin / rate;
+diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+index ac12f261f8ca..9e3f4088724b 100644
+--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
++++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+@@ -499,6 +499,9 @@ static struct clk_hw_onecell_data sun8i_v3s_hw_clks = {
+ [CLK_MMC1] = &mmc1_clk.common.hw,
+ [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
+ [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
++ [CLK_MMC2] = &mmc2_clk.common.hw,
++ [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
++ [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
+ [CLK_CE] = &ce_clk.common.hw,
+ [CLK_SPI0] = &spi0_clk.common.hw,
+ [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
+diff --git a/drivers/clk/zte/clk-zx296718.c b/drivers/clk/zte/clk-zx296718.c
+index 354dd508c516..8dfb8523b79d 100644
+--- a/drivers/clk/zte/clk-zx296718.c
++++ b/drivers/clk/zte/clk-zx296718.c
+@@ -567,6 +567,7 @@ static int __init top_clocks_init(struct device_node *np)
+ {
+ void __iomem *reg_base;
+ int i, ret;
++ const char *name;
+
+ reg_base = of_iomap(np, 0);
+ if (!reg_base) {
+@@ -576,11 +577,10 @@ static int __init top_clocks_init(struct device_node *np)
+
+ for (i = 0; i < ARRAY_SIZE(zx296718_pll_clk); i++) {
+ zx296718_pll_clk[i].reg_base += (uintptr_t)reg_base;
++ name = zx296718_pll_clk[i].hw.init->name;
+ ret = clk_hw_register(NULL, &zx296718_pll_clk[i].hw);
+- if (ret) {
+- pr_warn("top clk %s init error!\n",
+- zx296718_pll_clk[i].hw.init->name);
+- }
++ if (ret)
++ pr_warn("top clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(top_ffactor_clk); i++) {
+@@ -588,11 +588,10 @@ static int __init top_clocks_init(struct device_node *np)
+ top_hw_onecell_data.hws[top_ffactor_clk[i].id] =
+ &top_ffactor_clk[i].factor.hw;
+
++ name = top_ffactor_clk[i].factor.hw.init->name;
+ ret = clk_hw_register(NULL, &top_ffactor_clk[i].factor.hw);
+- if (ret) {
+- pr_warn("top clk %s init error!\n",
+- top_ffactor_clk[i].factor.hw.init->name);
+- }
++ if (ret)
++ pr_warn("top clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(top_mux_clk); i++) {
+@@ -601,11 +600,10 @@ static int __init top_clocks_init(struct device_node *np)
+ &top_mux_clk[i].mux.hw;
+
+ top_mux_clk[i].mux.reg += (uintptr_t)reg_base;
++ name = top_mux_clk[i].mux.hw.init->name;
+ ret = clk_hw_register(NULL, &top_mux_clk[i].mux.hw);
+- if (ret) {
+- pr_warn("top clk %s init error!\n",
+- top_mux_clk[i].mux.hw.init->name);
+- }
++ if (ret)
++ pr_warn("top clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(top_gate_clk); i++) {
+@@ -614,11 +612,10 @@ static int __init top_clocks_init(struct device_node *np)
+ &top_gate_clk[i].gate.hw;
+
+ top_gate_clk[i].gate.reg += (uintptr_t)reg_base;
++ name = top_gate_clk[i].gate.hw.init->name;
+ ret = clk_hw_register(NULL, &top_gate_clk[i].gate.hw);
+- if (ret) {
+- pr_warn("top clk %s init error!\n",
+- top_gate_clk[i].gate.hw.init->name);
+- }
++ if (ret)
++ pr_warn("top clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(top_div_clk); i++) {
+@@ -627,11 +624,10 @@ static int __init top_clocks_init(struct device_node *np)
+ &top_div_clk[i].div.hw;
+
+ top_div_clk[i].div.reg += (uintptr_t)reg_base;
++ name = top_div_clk[i].div.hw.init->name;
+ ret = clk_hw_register(NULL, &top_div_clk[i].div.hw);
+- if (ret) {
+- pr_warn("top clk %s init error!\n",
+- top_div_clk[i].div.hw.init->name);
+- }
++ if (ret)
++ pr_warn("top clk %s init error!\n", name);
+ }
+
+ ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
+@@ -757,6 +753,7 @@ static int __init lsp0_clocks_init(struct device_node *np)
+ {
+ void __iomem *reg_base;
+ int i, ret;
++ const char *name;
+
+ reg_base = of_iomap(np, 0);
+ if (!reg_base) {
+@@ -770,11 +767,10 @@ static int __init lsp0_clocks_init(struct device_node *np)
+ &lsp0_mux_clk[i].mux.hw;
+
+ lsp0_mux_clk[i].mux.reg += (uintptr_t)reg_base;
++ name = lsp0_mux_clk[i].mux.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp0_mux_clk[i].mux.hw);
+- if (ret) {
+- pr_warn("lsp0 clk %s init error!\n",
+- lsp0_mux_clk[i].mux.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp0 clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lsp0_gate_clk); i++) {
+@@ -783,11 +779,10 @@ static int __init lsp0_clocks_init(struct device_node *np)
+ &lsp0_gate_clk[i].gate.hw;
+
+ lsp0_gate_clk[i].gate.reg += (uintptr_t)reg_base;
++ name = lsp0_gate_clk[i].gate.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp0_gate_clk[i].gate.hw);
+- if (ret) {
+- pr_warn("lsp0 clk %s init error!\n",
+- lsp0_gate_clk[i].gate.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp0 clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lsp0_div_clk); i++) {
+@@ -796,11 +791,10 @@ static int __init lsp0_clocks_init(struct device_node *np)
+ &lsp0_div_clk[i].div.hw;
+
+ lsp0_div_clk[i].div.reg += (uintptr_t)reg_base;
++ name = lsp0_div_clk[i].div.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp0_div_clk[i].div.hw);
+- if (ret) {
+- pr_warn("lsp0 clk %s init error!\n",
+- lsp0_div_clk[i].div.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp0 clk %s init error!\n", name);
+ }
+
+ ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
+@@ -865,6 +859,7 @@ static int __init lsp1_clocks_init(struct device_node *np)
+ {
+ void __iomem *reg_base;
+ int i, ret;
++ const char *name;
+
+ reg_base = of_iomap(np, 0);
+ if (!reg_base) {
+@@ -878,11 +873,10 @@ static int __init lsp1_clocks_init(struct device_node *np)
+ &lsp0_mux_clk[i].mux.hw;
+
+ lsp1_mux_clk[i].mux.reg += (uintptr_t)reg_base;
++ name = lsp1_mux_clk[i].mux.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp1_mux_clk[i].mux.hw);
+- if (ret) {
+- pr_warn("lsp1 clk %s init error!\n",
+- lsp1_mux_clk[i].mux.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp1 clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lsp1_gate_clk); i++) {
+@@ -891,11 +885,10 @@ static int __init lsp1_clocks_init(struct device_node *np)
+ &lsp1_gate_clk[i].gate.hw;
+
+ lsp1_gate_clk[i].gate.reg += (uintptr_t)reg_base;
++ name = lsp1_gate_clk[i].gate.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp1_gate_clk[i].gate.hw);
+- if (ret) {
+- pr_warn("lsp1 clk %s init error!\n",
+- lsp1_gate_clk[i].gate.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp1 clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lsp1_div_clk); i++) {
+@@ -904,11 +897,10 @@ static int __init lsp1_clocks_init(struct device_node *np)
+ &lsp1_div_clk[i].div.hw;
+
+ lsp1_div_clk[i].div.reg += (uintptr_t)reg_base;
++ name = lsp1_div_clk[i].div.hw.init->name;
+ ret = clk_hw_register(NULL, &lsp1_div_clk[i].div.hw);
+- if (ret) {
+- pr_warn("lsp1 clk %s init error!\n",
+- lsp1_div_clk[i].div.hw.init->name);
+- }
++ if (ret)
++ pr_warn("lsp1 clk %s init error!\n", name);
+ }
+
+ ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
+@@ -982,6 +974,7 @@ static int __init audio_clocks_init(struct device_node *np)
+ {
+ void __iomem *reg_base;
+ int i, ret;
++ const char *name;
+
+ reg_base = of_iomap(np, 0);
+ if (!reg_base) {
+@@ -995,11 +988,10 @@ static int __init audio_clocks_init(struct device_node *np)
+ &audio_mux_clk[i].mux.hw;
+
+ audio_mux_clk[i].mux.reg += (uintptr_t)reg_base;
++ name = audio_mux_clk[i].mux.hw.init->name;
+ ret = clk_hw_register(NULL, &audio_mux_clk[i].mux.hw);
+- if (ret) {
+- pr_warn("audio clk %s init error!\n",
+- audio_mux_clk[i].mux.hw.init->name);
+- }
++ if (ret)
++ pr_warn("audio clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(audio_adiv_clk); i++) {
+@@ -1008,11 +1000,10 @@ static int __init audio_clocks_init(struct device_node *np)
+ &audio_adiv_clk[i].hw;
+
+ audio_adiv_clk[i].reg_base += (uintptr_t)reg_base;
++ name = audio_adiv_clk[i].hw.init->name;
+ ret = clk_hw_register(NULL, &audio_adiv_clk[i].hw);
+- if (ret) {
+- pr_warn("audio clk %s init error!\n",
+- audio_adiv_clk[i].hw.init->name);
+- }
++ if (ret)
++ pr_warn("audio clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(audio_div_clk); i++) {
+@@ -1021,11 +1012,10 @@ static int __init audio_clocks_init(struct device_node *np)
+ &audio_div_clk[i].div.hw;
+
+ audio_div_clk[i].div.reg += (uintptr_t)reg_base;
++ name = audio_div_clk[i].div.hw.init->name;
+ ret = clk_hw_register(NULL, &audio_div_clk[i].div.hw);
+- if (ret) {
+- pr_warn("audio clk %s init error!\n",
+- audio_div_clk[i].div.hw.init->name);
+- }
++ if (ret)
++ pr_warn("audio clk %s init error!\n", name);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(audio_gate_clk); i++) {
+@@ -1034,11 +1024,10 @@ static int __init audio_clocks_init(struct device_node *np)
+ &audio_gate_clk[i].gate.hw;
+
+ audio_gate_clk[i].gate.reg += (uintptr_t)reg_base;
++ name = audio_gate_clk[i].gate.hw.init->name;
+ ret = clk_hw_register(NULL, &audio_gate_clk[i].gate.hw);
+- if (ret) {
+- pr_warn("audio clk %s init error!\n",
+- audio_gate_clk[i].gate.hw.init->name);
+- }
++ if (ret)
++ pr_warn("audio clk %s init error!\n", name);
+ }
+
+ ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
+diff --git a/drivers/dma-buf/sw_sync.c b/drivers/dma-buf/sw_sync.c
+index 24f83f9eeaed..114b36674af4 100644
+--- a/drivers/dma-buf/sw_sync.c
++++ b/drivers/dma-buf/sw_sync.c
+@@ -141,17 +141,14 @@ static void timeline_fence_release(struct dma_fence *fence)
+ {
+ struct sync_pt *pt = dma_fence_to_sync_pt(fence);
+ struct sync_timeline *parent = dma_fence_parent(fence);
++ unsigned long flags;
+
++ spin_lock_irqsave(fence->lock, flags);
+ if (!list_empty(&pt->link)) {
+- unsigned long flags;
+-
+- spin_lock_irqsave(fence->lock, flags);
+- if (!list_empty(&pt->link)) {
+- list_del(&pt->link);
+- rb_erase(&pt->node, &parent->pt_tree);
+- }
+- spin_unlock_irqrestore(fence->lock, flags);
++ list_del(&pt->link);
++ rb_erase(&pt->node, &parent->pt_tree);
+ }
++ spin_unlock_irqrestore(fence->lock, flags);
+
+ sync_timeline_put(parent);
+ dma_fence_free(fence);
+@@ -275,7 +272,8 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj,
+ p = &parent->rb_left;
+ } else {
+ if (dma_fence_get_rcu(&other->base)) {
+- dma_fence_put(&pt->base);
++ sync_timeline_put(obj);
++ kfree(pt);
+ pt = other;
+ goto unlock;
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
+index 40520a968eac..28eea8317e87 100644
+--- a/drivers/gpu/drm/amd/amdgpu/si.c
++++ b/drivers/gpu/drm/amd/amdgpu/si.c
+@@ -1783,7 +1783,7 @@ static void si_program_aspm(struct amdgpu_device *adev)
+ if (orig != data)
+ si_pif_phy1_wreg(adev,PB1_PIF_PWRDOWN_1, data);
+
+- if ((adev->family != CHIP_OLAND) && (adev->family != CHIP_HAINAN)) {
++ if ((adev->asic_type != CHIP_OLAND) && (adev->asic_type != CHIP_HAINAN)) {
+ orig = data = si_pif_phy0_rreg(adev,PB0_PIF_PWRDOWN_0);
+ data &= ~PLL_RAMP_UP_TIME_0_MASK;
+ if (orig != data)
+@@ -1832,14 +1832,14 @@ static void si_program_aspm(struct amdgpu_device *adev)
+
+ orig = data = si_pif_phy0_rreg(adev,PB0_PIF_CNTL);
+ data &= ~LS2_EXIT_TIME_MASK;
+- if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
++ if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
+ data |= LS2_EXIT_TIME(5);
+ if (orig != data)
+ si_pif_phy0_wreg(adev,PB0_PIF_CNTL, data);
+
+ orig = data = si_pif_phy1_rreg(adev,PB1_PIF_CNTL);
+ data &= ~LS2_EXIT_TIME_MASK;
+- if ((adev->family == CHIP_OLAND) || (adev->family == CHIP_HAINAN))
++ if ((adev->asic_type == CHIP_OLAND) || (adev->asic_type == CHIP_HAINAN))
+ data |= LS2_EXIT_TIME(5);
+ if (orig != data)
+ si_pif_phy1_wreg(adev,PB1_PIF_CNTL, data);
+diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
+index 9705ca197b90..cefa2c1685ba 100644
+--- a/drivers/gpu/drm/bridge/tc358767.c
++++ b/drivers/gpu/drm/bridge/tc358767.c
+@@ -300,7 +300,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
+ struct drm_dp_aux_msg *msg)
+ {
+ struct tc_data *tc = aux_to_tc(aux);
+- size_t size = min_t(size_t, 8, msg->size);
++ size_t size = min_t(size_t, DP_AUX_MAX_PAYLOAD_BYTES - 1, msg->size);
+ u8 request = msg->request & ~DP_AUX_I2C_MOT;
+ u8 *buf = msg->buffer;
+ u32 tmp = 0;
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c
+index 7143ea4611aa..33a9fb5ac558 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/volt.c
+@@ -96,6 +96,8 @@ nvbios_volt_parse(struct nvkm_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
+ info->min = min(info->base,
+ info->base + info->step * info->vidmask);
+ info->max = nvbios_rd32(bios, volt + 0x0e);
++ if (!info->max)
++ info->max = max(info->base, info->base + info->step * info->vidmask);
+ break;
+ case 0x50:
+ info->min = nvbios_rd32(bios, volt + 0x0a);
+diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
+index 7a0fd4e4e78d..c1daed3fe842 100644
+--- a/drivers/gpu/drm/panel/panel-simple.c
++++ b/drivers/gpu/drm/panel/panel-simple.c
+@@ -614,9 +614,9 @@ static const struct panel_desc auo_g133han01 = {
+ static const struct display_timing auo_g185han01_timings = {
+ .pixelclock = { 120000000, 144000000, 175000000 },
+ .hactive = { 1920, 1920, 1920 },
+- .hfront_porch = { 18, 60, 74 },
+- .hback_porch = { 12, 44, 54 },
+- .hsync_len = { 10, 24, 32 },
++ .hfront_porch = { 36, 120, 148 },
++ .hback_porch = { 24, 88, 108 },
++ .hsync_len = { 20, 48, 64 },
+ .vactive = { 1080, 1080, 1080 },
+ .vfront_porch = { 6, 10, 40 },
+ .vback_porch = { 2, 5, 20 },
+diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
+index 337d3a1c2a40..48f752cf7a92 100644
+--- a/drivers/gpu/drm/radeon/radeon_connectors.c
++++ b/drivers/gpu/drm/radeon/radeon_connectors.c
+@@ -764,7 +764,7 @@ static int radeon_connector_set_property(struct drm_connector *connector, struct
+
+ radeon_encoder->output_csc = val;
+
+- if (connector->encoder->crtc) {
++ if (connector->encoder && connector->encoder->crtc) {
+ struct drm_crtc *crtc = connector->encoder->crtc;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
+index f4becad0a78c..54d97dd5780a 100644
+--- a/drivers/gpu/drm/radeon/radeon_drv.c
++++ b/drivers/gpu/drm/radeon/radeon_drv.c
+@@ -368,11 +368,19 @@ radeon_pci_remove(struct pci_dev *pdev)
+ static void
+ radeon_pci_shutdown(struct pci_dev *pdev)
+ {
++ struct drm_device *ddev = pci_get_drvdata(pdev);
++
+ /* if we are running in a VM, make sure the device
+ * torn down properly on reboot/shutdown
+ */
+ if (radeon_device_is_virtual())
+ radeon_pci_remove(pdev);
++
++ /* Some adapters need to be suspended before a
++ * shutdown occurs in order to prevent an error
++ * during kexec.
++ */
++ radeon_suspend_kms(ddev, true, true, false);
+ }
+
+ static int radeon_pmops_suspend(struct device *dev)
+diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
+index d394a03632c4..c3bd80b03f16 100644
+--- a/drivers/gpu/drm/stm/ltdc.c
++++ b/drivers/gpu/drm/stm/ltdc.c
+@@ -20,6 +20,7 @@
+ #include <drm/drm_crtc_helper.h>
+ #include <drm/drm_fb_cma_helper.h>
+ #include <drm/drm_gem_cma_helper.h>
++#include <drm/drm_gem_framebuffer_helper.h>
+ #include <drm/drm_of.h>
+ #include <drm/drm_bridge.h>
+ #include <drm/drm_plane_helper.h>
+@@ -691,6 +692,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
+ };
+
+ static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
++ .prepare_fb = drm_gem_fb_prepare_fb,
+ .atomic_check = ltdc_plane_atomic_check,
+ .atomic_update = ltdc_plane_atomic_update,
+ .atomic_disable = ltdc_plane_atomic_disable,
+diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
+index 1cb41992aaa1..d0a81a03ddbd 100644
+--- a/drivers/hid/hid-apple.c
++++ b/drivers/hid/hid-apple.c
+@@ -57,7 +57,6 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\")
+ struct apple_sc {
+ unsigned long quirks;
+ unsigned int fn_on;
+- DECLARE_BITMAP(pressed_fn, KEY_CNT);
+ DECLARE_BITMAP(pressed_numlock, KEY_CNT);
+ };
+
+@@ -184,6 +183,8 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
+ {
+ struct apple_sc *asc = hid_get_drvdata(hid);
+ const struct apple_key_translation *trans, *table;
++ bool do_translate;
++ u16 code = 0;
+
+ if (usage->code == KEY_FN) {
+ asc->fn_on = !!value;
+@@ -192,8 +193,6 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
+ }
+
+ if (fnmode) {
+- int do_translate;
+-
+ if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
+ hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
+ table = macbookair_fn_keys;
+@@ -205,25 +204,33 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
+ trans = apple_find_translation (table, usage->code);
+
+ if (trans) {
+- if (test_bit(usage->code, asc->pressed_fn))
+- do_translate = 1;
+- else if (trans->flags & APPLE_FLAG_FKEY)
+- do_translate = (fnmode == 2 && asc->fn_on) ||
+- (fnmode == 1 && !asc->fn_on);
+- else
+- do_translate = asc->fn_on;
+-
+- if (do_translate) {
+- if (value)
+- set_bit(usage->code, asc->pressed_fn);
+- else
+- clear_bit(usage->code, asc->pressed_fn);
+-
+- input_event(input, usage->type, trans->to,
+- value);
+-
+- return 1;
++ if (test_bit(trans->from, input->key))
++ code = trans->from;
++ else if (test_bit(trans->to, input->key))
++ code = trans->to;
++
++ if (!code) {
++ if (trans->flags & APPLE_FLAG_FKEY) {
++ switch (fnmode) {
++ case 1:
++ do_translate = !asc->fn_on;
++ break;
++ case 2:
++ do_translate = asc->fn_on;
++ break;
++ default:
++ /* should never happen */
++ do_translate = false;
++ }
++ } else {
++ do_translate = asc->fn_on;
++ }
++
++ code = do_translate ? trans->to : trans->from;
+ }
++
++ input_event(input, usage->type, code, value);
++ return 1;
+ }
+
+ if (asc->quirks & APPLE_NUMLOCK_EMULATION &&
+diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
+index 190bbbc7bfee..29456c8821e7 100644
+--- a/drivers/i2c/busses/i2c-cht-wc.c
++++ b/drivers/i2c/busses/i2c-cht-wc.c
+@@ -185,6 +185,51 @@ static const struct i2c_algorithm cht_wc_i2c_adap_algo = {
+ .smbus_xfer = cht_wc_i2c_adap_smbus_xfer,
+ };
+
++/*
++ * We are an i2c-adapter which itself is part of an i2c-client. This means that
++ * transfers done through us take adapter->bus_lock twice, once for our parent
++ * i2c-adapter and once to take our own bus_lock. Lockdep does not like this
++ * nested locking, to make lockdep happy in the case of busses with muxes, the
++ * i2c-core's i2c_adapter_lock_bus function calls:
++ * rt_mutex_lock_nested(&adapter->bus_lock, i2c_adapter_depth(adapter));
++ *
++ * But i2c_adapter_depth only works when the direct parent of the adapter is
++ * another adapter, as it is only meant for muxes. In our case there is an
++ * i2c-client and MFD instantiated platform_device in the parent->child chain
++ * between the 2 devices.
++ *
++ * So we override the default i2c_lock_operations and pass a hardcoded
++ * depth of 1 to rt_mutex_lock_nested, to make lockdep happy.
++ *
++ * Note that if there were to be a mux attached to our adapter, this would
++ * break things again since the i2c-mux code expects the root-adapter to have
++ * a locking depth of 0. But we always have only 1 client directly attached
++ * in the form of the Charger IC paired with the CHT Whiskey Cove PMIC.
++ */
++static void cht_wc_i2c_adap_lock_bus(struct i2c_adapter *adapter,
++ unsigned int flags)
++{
++ rt_mutex_lock_nested(&adapter->bus_lock, 1);
++}
++
++static int cht_wc_i2c_adap_trylock_bus(struct i2c_adapter *adapter,
++ unsigned int flags)
++{
++ return rt_mutex_trylock(&adapter->bus_lock);
++}
++
++static void cht_wc_i2c_adap_unlock_bus(struct i2c_adapter *adapter,
++ unsigned int flags)
++{
++ rt_mutex_unlock(&adapter->bus_lock);
++}
++
++static const struct i2c_lock_operations cht_wc_i2c_adap_lock_ops = {
++ .lock_bus = cht_wc_i2c_adap_lock_bus,
++ .trylock_bus = cht_wc_i2c_adap_trylock_bus,
++ .unlock_bus = cht_wc_i2c_adap_unlock_bus,
++};
++
+ /**** irqchip for the client connected to the extchgr i2c adapter ****/
+ static void cht_wc_i2c_irq_lock(struct irq_data *data)
+ {
+@@ -268,6 +313,7 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
+ adap->adapter.owner = THIS_MODULE;
+ adap->adapter.class = I2C_CLASS_HWMON;
+ adap->adapter.algo = &cht_wc_i2c_adap_algo;
++ adap->adapter.lock_ops = &cht_wc_i2c_adap_lock_ops;
+ strlcpy(adap->adapter.name, "PMIC I2C Adapter",
+ sizeof(adap->adapter.name));
+ adap->adapter.dev.parent = &pdev->dev;
+diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
+index d9ae983095c5..2b7e8eeaa59e 100644
+--- a/drivers/mfd/intel-lpss-pci.c
++++ b/drivers/mfd/intel-lpss-pci.c
+@@ -39,6 +39,8 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
+ info->mem = &pdev->resource[0];
+ info->irq = pdev->irq;
+
++ pdev->d3cold_delay = 0;
++
+ /* Probably it is enough to set this for iDMA capable devices only */
+ pci_set_master(pdev);
+ pci_try_set_mwi(pdev);
+diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+index 99a9d5278369..8441ce3541af 100644
+--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
++++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+@@ -137,13 +137,12 @@ static int uldrx_handler(struct sge_rspq *q, const __be64 *rsp,
+ static int alloc_uld_rxqs(struct adapter *adap,
+ struct sge_uld_rxq_info *rxq_info, bool lro)
+ {
+- struct sge *s = &adap->sge;
+ unsigned int nq = rxq_info->nrxq + rxq_info->nciq;
++ int i, err, msi_idx, que_idx = 0, bmap_idx = 0;
+ struct sge_ofld_rxq *q = rxq_info->uldrxq;
+ unsigned short *ids = rxq_info->rspq_id;
+- unsigned int bmap_idx = 0;
++ struct sge *s = &adap->sge;
+ unsigned int per_chan;
+- int i, err, msi_idx, que_idx = 0;
+
+ per_chan = rxq_info->nrxq / adap->params.nports;
+
+@@ -161,6 +160,10 @@ static int alloc_uld_rxqs(struct adapter *adap,
+
+ if (msi_idx >= 0) {
+ bmap_idx = get_msix_idx_from_bmap(adap);
++ if (bmap_idx < 0) {
++ err = -ENOSPC;
++ goto freeout;
++ }
+ msi_idx = adap->msix_info_ulds[bmap_idx].idx;
+ }
+ err = t4_sge_alloc_rxq(adap, &q->rspq, false,
+diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
+index 080d00520362..5fca9a75780c 100644
+--- a/drivers/net/ethernet/qlogic/qla3xxx.c
++++ b/drivers/net/ethernet/qlogic/qla3xxx.c
+@@ -2787,6 +2787,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
+ netdev_err(qdev->ndev,
+ "PCI mapping failed with error: %d\n",
+ err);
++ dev_kfree_skb_irq(skb);
+ ql_free_large_buffers(qdev);
+ return -ENOMEM;
+ }
+diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
+index 18a0952f68a8..6597d1f8d68c 100644
+--- a/drivers/net/usb/hso.c
++++ b/drivers/net/usb/hso.c
+@@ -2633,14 +2633,18 @@ static struct hso_device *hso_create_bulk_serial_device(
+ */
+ if (serial->tiocmget) {
+ tiocmget = serial->tiocmget;
++ tiocmget->endp = hso_get_ep(interface,
++ USB_ENDPOINT_XFER_INT,
++ USB_DIR_IN);
++ if (!tiocmget->endp) {
++ dev_err(&interface->dev, "Failed to find INT IN ep\n");
++ goto exit;
++ }
++
+ tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (tiocmget->urb) {
+ mutex_init(&tiocmget->mutex);
+ init_waitqueue_head(&tiocmget->waitq);
+- tiocmget->endp = hso_get_ep(
+- interface,
+- USB_ENDPOINT_XFER_INT,
+- USB_DIR_IN);
+ } else
+ hso_free_tiomget(serial);
+ }
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index e2050afaab7a..e406a05e79dc 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -1275,6 +1275,7 @@ static const struct usb_device_id products[] = {
+ {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */
+ {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */
+ {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
++ {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */
+ {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
+ {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
+ {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index 5cb3edae586f..91bf86cee273 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -889,9 +889,9 @@ static int xennet_set_skb_gso(struct sk_buff *skb,
+ return 0;
+ }
+
+-static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
+- struct sk_buff *skb,
+- struct sk_buff_head *list)
++static int xennet_fill_frags(struct netfront_queue *queue,
++ struct sk_buff *skb,
++ struct sk_buff_head *list)
+ {
+ RING_IDX cons = queue->rx.rsp_cons;
+ struct sk_buff *nskb;
+@@ -910,7 +910,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
+ if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
+ queue->rx.rsp_cons = ++cons + skb_queue_len(list);
+ kfree_skb(nskb);
+- return ~0U;
++ return -ENOENT;
+ }
+
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
+@@ -921,7 +921,9 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
+ kfree_skb(nskb);
+ }
+
+- return cons;
++ queue->rx.rsp_cons = cons;
++
++ return 0;
+ }
+
+ static int checksum_setup(struct net_device *dev, struct sk_buff *skb)
+@@ -1047,8 +1049,7 @@ err:
+ skb->data_len = rx->status;
+ skb->len += rx->status;
+
+- i = xennet_fill_frags(queue, skb, &tmpq);
+- if (unlikely(i == ~0U))
++ if (unlikely(xennet_fill_frags(queue, skb, &tmpq)))
+ goto err;
+
+ if (rx->flags & XEN_NETRXF_csum_blank)
+@@ -1058,7 +1059,7 @@ err:
+
+ __skb_queue_tail(&rxq, skb);
+
+- queue->rx.rsp_cons = ++i;
++ i = ++queue->rx.rsp_cons;
+ work_done++;
+ }
+
+diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c
+index ea03f1ec12a4..01acb418d1fd 100644
+--- a/drivers/pci/dwc/pci-exynos.c
++++ b/drivers/pci/dwc/pci-exynos.c
+@@ -683,7 +683,7 @@ static int __init exynos_pcie_probe(struct platform_device *pdev)
+
+ ep->phy = devm_of_phy_get(dev, np, NULL);
+ if (IS_ERR(ep->phy)) {
+- if (PTR_ERR(ep->phy) == -EPROBE_DEFER)
++ if (PTR_ERR(ep->phy) != -ENODEV)
+ return PTR_ERR(ep->phy);
+ dev_warn(dev, "Use the 'phy' property. Current DT of pci-exynos was deprecated!!\n");
+ } else
+diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c
+index 1f1069b70e45..5509b6e2de94 100644
+--- a/drivers/pci/dwc/pci-imx6.c
++++ b/drivers/pci/dwc/pci-imx6.c
+@@ -827,8 +827,8 @@ static int imx6_pcie_probe(struct platform_device *pdev)
+
+ imx6_pcie->vpcie = devm_regulator_get_optional(&pdev->dev, "vpcie");
+ if (IS_ERR(imx6_pcie->vpcie)) {
+- if (PTR_ERR(imx6_pcie->vpcie) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(imx6_pcie->vpcie) != -ENODEV)
++ return PTR_ERR(imx6_pcie->vpcie);
+ imx6_pcie->vpcie = NULL;
+ }
+
+diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
+index 1987fec1f126..8efd086c57c9 100644
+--- a/drivers/pci/host/pci-tegra.c
++++ b/drivers/pci/host/pci-tegra.c
+@@ -1910,14 +1910,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
+ err = of_pci_get_devfn(port);
+ if (err < 0) {
+ dev_err(dev, "failed to parse address: %d\n", err);
+- return err;
++ goto err_node_put;
+ }
+
+ index = PCI_SLOT(err);
+
+ if (index < 1 || index > soc->num_ports) {
+ dev_err(dev, "invalid port number: %d\n", index);
+- return -EINVAL;
++ err = -EINVAL;
++ goto err_node_put;
+ }
+
+ index--;
+@@ -1926,12 +1927,13 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
+ if (err < 0) {
+ dev_err(dev, "failed to parse # of lanes: %d\n",
+ err);
+- return err;
++ goto err_node_put;
+ }
+
+ if (value > 16) {
+ dev_err(dev, "invalid # of lanes: %u\n", value);
+- return -EINVAL;
++ err = -EINVAL;
++ goto err_node_put;
+ }
+
+ lanes |= value << (index << 3);
+@@ -1945,13 +1947,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
+ lane += value;
+
+ rp = devm_kzalloc(dev, sizeof(*rp), GFP_KERNEL);
+- if (!rp)
+- return -ENOMEM;
++ if (!rp) {
++ err = -ENOMEM;
++ goto err_node_put;
++ }
+
+ err = of_address_to_resource(port, 0, &rp->regs);
+ if (err < 0) {
+ dev_err(dev, "failed to parse address: %d\n", err);
+- return err;
++ goto err_node_put;
+ }
+
+ INIT_LIST_HEAD(&rp->list);
+@@ -1978,6 +1982,10 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
+ return err;
+
+ return 0;
++
++err_node_put:
++ of_node_put(port);
++ return err;
+ }
+
+ /*
+diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
+index 9051c6c8fea4..d3f9e7d24727 100644
+--- a/drivers/pci/host/pcie-rockchip.c
++++ b/drivers/pci/host/pcie-rockchip.c
+@@ -1129,29 +1129,29 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
+
+ rockchip->vpcie12v = devm_regulator_get_optional(dev, "vpcie12v");
+ if (IS_ERR(rockchip->vpcie12v)) {
+- if (PTR_ERR(rockchip->vpcie12v) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(rockchip->vpcie12v) != -ENODEV)
++ return PTR_ERR(rockchip->vpcie12v);
+ dev_info(dev, "no vpcie12v regulator found\n");
+ }
+
+ rockchip->vpcie3v3 = devm_regulator_get_optional(dev, "vpcie3v3");
+ if (IS_ERR(rockchip->vpcie3v3)) {
+- if (PTR_ERR(rockchip->vpcie3v3) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(rockchip->vpcie3v3) != -ENODEV)
++ return PTR_ERR(rockchip->vpcie3v3);
+ dev_info(dev, "no vpcie3v3 regulator found\n");
+ }
+
+ rockchip->vpcie1v8 = devm_regulator_get_optional(dev, "vpcie1v8");
+ if (IS_ERR(rockchip->vpcie1v8)) {
+- if (PTR_ERR(rockchip->vpcie1v8) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(rockchip->vpcie1v8) != -ENODEV)
++ return PTR_ERR(rockchip->vpcie1v8);
+ dev_info(dev, "no vpcie1v8 regulator found\n");
+ }
+
+ rockchip->vpcie0v9 = devm_regulator_get_optional(dev, "vpcie0v9");
+ if (IS_ERR(rockchip->vpcie0v9)) {
+- if (PTR_ERR(rockchip->vpcie0v9) == -EPROBE_DEFER)
+- return -EPROBE_DEFER;
++ if (PTR_ERR(rockchip->vpcie0v9) != -ENODEV)
++ return PTR_ERR(rockchip->vpcie0v9);
+ dev_info(dev, "no vpcie0v9 regulator found\n");
+ }
+
+diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
+index 51716819129d..e5c9b9c68428 100644
+--- a/drivers/pinctrl/tegra/pinctrl-tegra.c
++++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
+@@ -51,7 +51,9 @@ static inline u32 pmx_readl(struct tegra_pmx *pmx, u32 bank, u32 reg)
+
+ static inline void pmx_writel(struct tegra_pmx *pmx, u32 val, u32 bank, u32 reg)
+ {
+- writel(val, pmx->regs[bank] + reg);
++ writel_relaxed(val, pmx->regs[bank] + reg);
++ /* make sure pinmux register write completed */
++ pmx_readl(pmx, bank, reg);
+ }
+
+ static int tegra_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
+diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
+index 71eee39520f0..7aa2c5ea0de4 100644
+--- a/drivers/rtc/rtc-snvs.c
++++ b/drivers/rtc/rtc-snvs.c
+@@ -280,6 +280,10 @@ static int snvs_rtc_probe(struct platform_device *pdev)
+ if (!data)
+ return -ENOMEM;
+
++ data->rtc = devm_rtc_allocate_device(&pdev->dev);
++ if (IS_ERR(data->rtc))
++ return PTR_ERR(data->rtc);
++
+ data->regmap = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "regmap");
+
+ if (IS_ERR(data->regmap)) {
+@@ -342,10 +346,9 @@ static int snvs_rtc_probe(struct platform_device *pdev)
+ goto error_rtc_device_register;
+ }
+
+- data->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
+- &snvs_rtc_ops, THIS_MODULE);
+- if (IS_ERR(data->rtc)) {
+- ret = PTR_ERR(data->rtc);
++ data->rtc->ops = &snvs_rtc_ops;
++ ret = rtc_register_device(data->rtc);
++ if (ret) {
+ dev_err(&pdev->dev, "failed to register rtc: %d\n", ret);
+ goto error_rtc_device_register;
+ }
+diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
+index bd70339c1242..03d9855a6afd 100644
+--- a/drivers/scsi/scsi_logging.c
++++ b/drivers/scsi/scsi_logging.c
+@@ -16,57 +16,15 @@
+ #include <scsi/scsi_eh.h>
+ #include <scsi/scsi_dbg.h>
+
+-#define SCSI_LOG_SPOOLSIZE 4096
+-
+-#if (SCSI_LOG_SPOOLSIZE / SCSI_LOG_BUFSIZE) > BITS_PER_LONG
+-#warning SCSI logging bitmask too large
+-#endif
+-
+-struct scsi_log_buf {
+- char buffer[SCSI_LOG_SPOOLSIZE];
+- unsigned long map;
+-};
+-
+-static DEFINE_PER_CPU(struct scsi_log_buf, scsi_format_log);
+-
+ static char *scsi_log_reserve_buffer(size_t *len)
+ {
+- struct scsi_log_buf *buf;
+- unsigned long map_bits = sizeof(buf->buffer) / SCSI_LOG_BUFSIZE;
+- unsigned long idx = 0;
+-
+- preempt_disable();
+- buf = this_cpu_ptr(&scsi_format_log);
+- idx = find_first_zero_bit(&buf->map, map_bits);
+- if (likely(idx < map_bits)) {
+- while (test_and_set_bit(idx, &buf->map)) {
+- idx = find_next_zero_bit(&buf->map, map_bits, idx);
+- if (idx >= map_bits)
+- break;
+- }
+- }
+- if (WARN_ON(idx >= map_bits)) {
+- preempt_enable();
+- return NULL;
+- }
+- *len = SCSI_LOG_BUFSIZE;
+- return buf->buffer + idx * SCSI_LOG_BUFSIZE;
++ *len = 128;
++ return kmalloc(*len, GFP_ATOMIC);
+ }
+
+ static void scsi_log_release_buffer(char *bufptr)
+ {
+- struct scsi_log_buf *buf;
+- unsigned long idx;
+- int ret;
+-
+- buf = this_cpu_ptr(&scsi_format_log);
+- if (bufptr >= buf->buffer &&
+- bufptr < buf->buffer + SCSI_LOG_SPOOLSIZE) {
+- idx = (bufptr - buf->buffer) / SCSI_LOG_BUFSIZE;
+- ret = test_and_clear_bit(idx, &buf->map);
+- WARN_ON(!ret);
+- }
+- preempt_enable();
++ kfree(bufptr);
+ }
+
+ static inline const char *scmd_name(const struct scsi_cmnd *scmd)
+diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
+index 6f5cc67e343e..15b1cd4ef5a7 100644
+--- a/drivers/vfio/pci/vfio_pci.c
++++ b/drivers/vfio/pci/vfio_pci.c
+@@ -363,11 +363,20 @@ static void vfio_pci_disable(struct vfio_pci_device *vdev)
+ pci_write_config_word(pdev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);
+
+ /*
+- * Try to reset the device. The success of this is dependent on
+- * being able to lock the device, which is not always possible.
++ * Try to get the locks ourselves to prevent a deadlock. The
++ * success of this is dependent on being able to lock the device,
++ * which is not always possible.
++ * We can not use the "try" reset interface here, which will
++ * overwrite the previously restored configuration information.
+ */
+- if (vdev->reset_works && !pci_try_reset_function(pdev))
+- vdev->needs_reset = false;
++ if (vdev->reset_works && pci_cfg_access_trylock(pdev)) {
++ if (device_trylock(&pdev->dev)) {
++ if (!__pci_reset_function_locked(pdev))
++ vdev->needs_reset = false;
++ device_unlock(&pdev->dev);
++ }
++ pci_cfg_access_unlock(pdev);
++ }
+
+ pci_restore_state(pdev);
+ out:
+diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
+index f599520374dd..5f7dbf1c4609 100644
+--- a/drivers/video/fbdev/ssd1307fb.c
++++ b/drivers/video/fbdev/ssd1307fb.c
+@@ -433,7 +433,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
+ if (ret < 0)
+ return ret;
+
+- ret = ssd1307fb_write_cmd(par->client, 0x0);
++ ret = ssd1307fb_write_cmd(par->client, par->page_offset);
+ if (ret < 0)
+ return ret;
+
+diff --git a/fs/fat/dir.c b/fs/fat/dir.c
+index 81cecbe6d7cf..971e369517a7 100644
+--- a/fs/fat/dir.c
++++ b/fs/fat/dir.c
+@@ -1097,8 +1097,11 @@ static int fat_zeroed_cluster(struct inode *dir, sector_t blknr, int nr_used,
+ err = -ENOMEM;
+ goto error;
+ }
++ /* Avoid race with userspace read via bdev */
++ lock_buffer(bhs[n]);
+ memset(bhs[n]->b_data, 0, sb->s_blocksize);
+ set_buffer_uptodate(bhs[n]);
++ unlock_buffer(bhs[n]);
+ mark_buffer_dirty_inode(bhs[n], dir);
+
+ n++;
+@@ -1155,6 +1158,8 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
+ fat_time_unix2fat(sbi, ts, &time, &date, &time_cs);
+
+ de = (struct msdos_dir_entry *)bhs[0]->b_data;
++ /* Avoid race with userspace read via bdev */
++ lock_buffer(bhs[0]);
+ /* filling the new directory slots ("." and ".." entries) */
+ memcpy(de[0].name, MSDOS_DOT, MSDOS_NAME);
+ memcpy(de[1].name, MSDOS_DOTDOT, MSDOS_NAME);
+@@ -1177,6 +1182,7 @@ int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
+ de[0].size = de[1].size = 0;
+ memset(de + 2, 0, sb->s_blocksize - 2 * sizeof(*de));
+ set_buffer_uptodate(bhs[0]);
++ unlock_buffer(bhs[0]);
+ mark_buffer_dirty_inode(bhs[0], dir);
+
+ err = fat_zeroed_cluster(dir, blknr, 1, bhs, MAX_BUF_PER_PAGE);
+@@ -1234,11 +1240,14 @@ static int fat_add_new_entries(struct inode *dir, void *slots, int nr_slots,
+
+ /* fill the directory entry */
+ copy = min(size, sb->s_blocksize);
++ /* Avoid race with userspace read via bdev */
++ lock_buffer(bhs[n]);
+ memcpy(bhs[n]->b_data, slots, copy);
+- slots += copy;
+- size -= copy;
+ set_buffer_uptodate(bhs[n]);
++ unlock_buffer(bhs[n]);
+ mark_buffer_dirty_inode(bhs[n], dir);
++ slots += copy;
++ size -= copy;
+ if (!size)
+ break;
+ n++;
+diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
+index 9635df94db7d..24ed1f4e48ae 100644
+--- a/fs/fat/fatent.c
++++ b/fs/fat/fatent.c
+@@ -389,8 +389,11 @@ static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs,
+ err = -ENOMEM;
+ goto error;
+ }
++ /* Avoid race with userspace read via bdev */
++ lock_buffer(c_bh);
+ memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize);
+ set_buffer_uptodate(c_bh);
++ unlock_buffer(c_bh);
+ mark_buffer_dirty_inode(c_bh, sbi->fat_inode);
+ if (sb->s_flags & MS_SYNCHRONOUS)
+ err = sync_dirty_buffer(c_bh);
+diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c
+index 63d701cd1e2e..c8e9b7031d9a 100644
+--- a/fs/ocfs2/dlm/dlmunlock.c
++++ b/fs/ocfs2/dlm/dlmunlock.c
+@@ -105,7 +105,8 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
+ enum dlm_status status;
+ int actions = 0;
+ int in_use;
+- u8 owner;
++ u8 owner;
++ int recovery_wait = 0;
+
+ mlog(0, "master_node = %d, valblk = %d\n", master_node,
+ flags & LKM_VALBLK);
+@@ -208,9 +209,12 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
+ }
+ if (flags & LKM_CANCEL)
+ lock->cancel_pending = 0;
+- else
+- lock->unlock_pending = 0;
+-
++ else {
++ if (!lock->unlock_pending)
++ recovery_wait = 1;
++ else
++ lock->unlock_pending = 0;
++ }
+ }
+
+ /* get an extra ref on lock. if we are just switching
+@@ -244,6 +248,17 @@ leave:
+ spin_unlock(&res->spinlock);
+ wake_up(&res->wq);
+
++ if (recovery_wait) {
++ spin_lock(&res->spinlock);
++ /* Unlock request will directly succeed after owner dies,
++ * and the lock is already removed from grant list. We have to
++ * wait for RECOVERING done or we miss the chance to purge it
++ * since the removement is much faster than RECOVERING proc.
++ */
++ __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_RECOVERING);
++ spin_unlock(&res->spinlock);
++ }
++
+ /* let the caller's final dlm_lock_put handle the actual kfree */
+ if (actions & DLM_UNLOCK_FREE_LOCK) {
+ /* this should always be coupled with list removal */
+diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
+index 04e0679767f6..2b5dfae78272 100644
+--- a/include/scsi/scsi_dbg.h
++++ b/include/scsi/scsi_dbg.h
+@@ -6,8 +6,6 @@ struct scsi_cmnd;
+ struct scsi_device;
+ struct scsi_sense_hdr;
+
+-#define SCSI_LOG_BUFSIZE 128
+-
+ extern void scsi_print_command(struct scsi_cmnd *);
+ extern size_t __scsi_format_command(char *, size_t,
+ const unsigned char *, size_t);
+diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
+index 2d828d346982..59d2e94ecb79 100644
+--- a/kernel/bpf/syscall.c
++++ b/kernel/bpf/syscall.c
+@@ -1067,20 +1067,26 @@ static int bpf_prog_load(union bpf_attr *attr)
+ if (err)
+ goto free_used_maps;
+
+- err = bpf_prog_new_fd(prog);
+- if (err < 0) {
+- /* failed to allocate fd.
+- * bpf_prog_put() is needed because the above
+- * bpf_prog_alloc_id() has published the prog
+- * to the userspace and the userspace may
+- * have refcnt-ed it through BPF_PROG_GET_FD_BY_ID.
+- */
+- bpf_prog_put(prog);
+- return err;
+- }
+-
++ /* Upon success of bpf_prog_alloc_id(), the BPF prog is
++ * effectively publicly exposed. However, retrieving via
++ * bpf_prog_get_fd_by_id() will take another reference,
++ * therefore it cannot be gone underneath us.
++ *
++ * Only for the time /after/ successful bpf_prog_new_fd()
++ * and before returning to userspace, we might just hold
++ * one reference and any parallel close on that fd could
++ * rip everything out. Hence, below notifications must
++ * happen before bpf_prog_new_fd().
++ *
++ * Also, any failure handling from this point onwards must
++ * be using bpf_prog_put() given the program is exposed.
++ */
+ bpf_prog_kallsyms_add(prog);
+ trace_bpf_prog_load(prog, err);
++
++ err = bpf_prog_new_fd(prog);
++ if (err < 0)
++ bpf_prog_put(prog);
+ return err;
+
+ free_used_maps:
+diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
+index 20fef1a38602..8f15665ab616 100644
+--- a/kernel/kexec_core.c
++++ b/kernel/kexec_core.c
+@@ -301,6 +301,8 @@ static struct page *kimage_alloc_pages(gfp_t gfp_mask, unsigned int order)
+ {
+ struct page *pages;
+
++ if (fatal_signal_pending(current))
++ return NULL;
+ pages = alloc_pages(gfp_mask & ~__GFP_ZERO, order);
+ if (pages) {
+ unsigned int count, i;
+diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
+index 88754e9790f9..f8dc77b18962 100644
+--- a/kernel/livepatch/core.c
++++ b/kernel/livepatch/core.c
+@@ -941,6 +941,7 @@ err:
+ pr_warn("patch '%s' failed for module '%s', refusing to load module '%s'\n",
+ patch->mod->name, obj->mod->name, obj->mod->name);
+ mod->klp_alive = false;
++ obj->mod = NULL;
+ klp_cleanup_module_patches_limited(mod, patch);
+ mutex_unlock(&klp_mutex);
+
+diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
+index 131d5871f8c9..e1df563cdfe7 100644
+--- a/lib/Kconfig.debug
++++ b/lib/Kconfig.debug
+@@ -570,7 +570,7 @@ config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
+ int "Maximum kmemleak early log entries"
+ depends on DEBUG_KMEMLEAK
+ range 200 40000
+- default 400
++ default 16000
+ help
+ Kmemleak must track all the memory allocations to avoid
+ reporting false positives. Since memory may be allocated or
+diff --git a/net/core/sock.c b/net/core/sock.c
+index c8d39092e8bf..5f466db916ee 100644
+--- a/net/core/sock.c
++++ b/net/core/sock.c
+@@ -1561,8 +1561,6 @@ static void __sk_destruct(struct rcu_head *head)
+ sk_filter_uncharge(sk, filter);
+ RCU_INIT_POINTER(sk->sk_filter, NULL);
+ }
+- if (rcu_access_pointer(sk->sk_reuseport_cb))
+- reuseport_detach_sock(sk);
+
+ sock_disable_timestamp(sk, SK_FLAGS_TIMESTAMP);
+
+@@ -1585,7 +1583,14 @@ static void __sk_destruct(struct rcu_head *head)
+
+ void sk_destruct(struct sock *sk)
+ {
+- if (sock_flag(sk, SOCK_RCU_FREE))
++ bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE);
++
++ if (rcu_access_pointer(sk->sk_reuseport_cb)) {
++ reuseport_detach_sock(sk);
++ use_call_rcu = true;
++ }
++
++ if (use_call_rcu)
+ call_rcu(&sk->sk_rcu, __sk_destruct);
+ else
+ __sk_destruct(&sk->sk_rcu);
+diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
+index 0fc499db6da2..347be2ea78d4 100644
+--- a/net/ipv4/ip_gre.c
++++ b/net/ipv4/ip_gre.c
+@@ -1424,6 +1424,7 @@ nla_put_failure:
+ static void erspan_setup(struct net_device *dev)
+ {
+ ether_setup(dev);
++ dev->max_mtu = 0;
+ dev->netdev_ops = &erspan_netdev_ops;
+ dev->priv_flags &= ~IFF_TX_SKB_SHARING;
+ dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 3b72990a8bb9..5a1cffb769fd 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -925,16 +925,15 @@ void ip_rt_send_redirect(struct sk_buff *skb)
+ if (peer->rate_tokens == 0 ||
+ time_after(jiffies,
+ (peer->rate_last +
+- (ip_rt_redirect_load << peer->rate_tokens)))) {
++ (ip_rt_redirect_load << peer->n_redirects)))) {
+ __be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr);
+
+ icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, gw);
+ peer->rate_last = jiffies;
+- ++peer->rate_tokens;
+ ++peer->n_redirects;
+ #ifdef CONFIG_IP_ROUTE_VERBOSE
+ if (log_martians &&
+- peer->rate_tokens == ip_rt_redirect_number)
++ peer->n_redirects == ip_rt_redirect_number)
+ net_warn_ratelimited("host %pI4/if%d ignores redirects for %pI4 to %pI4\n",
+ &ip_hdr(skb)->saddr, inet_iif(skb),
+ &ip_hdr(skb)->daddr, &gw);
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
+index c47161e92407..a81201dd3a1a 100644
+--- a/net/ipv6/addrconf.c
++++ b/net/ipv6/addrconf.c
+@@ -5547,13 +5547,20 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
+ switch (event) {
+ case RTM_NEWADDR:
+ /*
+- * If the address was optimistic
+- * we inserted the route at the start of
+- * our DAD process, so we don't need
+- * to do it again
++ * If the address was optimistic we inserted the route at the
++ * start of our DAD process, so we don't need to do it again.
++ * If the device was taken down in the middle of the DAD
++ * cycle there is a race where we could get here without a
++ * host route, so nothing to insert. That will be fixed when
++ * the device is brought up.
+ */
+- if (!rcu_access_pointer(ifp->rt->rt6i_node))
++ if (ifp->rt && !rcu_access_pointer(ifp->rt->rt6i_node)) {
+ ip6_ins_rt(ifp->rt);
++ } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) {
++ pr_warn("BUG: Address %pI6c on device %s is missing its host route.\n",
++ &ifp->addr, ifp->idev->dev->name);
++ }
++
+ if (ifp->idev->cnf.forwarding)
+ addrconf_join_anycast(ifp);
+ if (!ipv6_addr_any(&ifp->peer_addr))
+diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
+index 9ee208a348f5..e41070fb4fc0 100644
+--- a/net/ipv6/ip6_input.c
++++ b/net/ipv6/ip6_input.c
+@@ -173,6 +173,16 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
+ if (ipv6_addr_is_multicast(&hdr->saddr))
+ goto err;
+
++ /* While RFC4291 is not explicit about v4mapped addresses
++ * in IPv6 headers, it seems clear linux dual-stack
++ * model can not deal properly with these.
++ * Security models could be fooled by ::ffff:127.0.0.1 for example.
++ *
++ * https://tools.ietf.org/html/draft-itojun-v6ops-v4mapped-harmful-02
++ */
++ if (ipv6_addr_v4mapped(&hdr->saddr))
++ goto err;
++
+ skb->transport_header = skb->network_header + sizeof(*hdr);
+ IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
+
+diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
+index 33ad7e25a89d..a51bfba19b9e 100644
+--- a/net/nfc/llcp_sock.c
++++ b/net/nfc/llcp_sock.c
+@@ -119,9 +119,14 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
+ llcp_sock->service_name = kmemdup(llcp_addr.service_name,
+ llcp_sock->service_name_len,
+ GFP_KERNEL);
+-
++ if (!llcp_sock->service_name) {
++ ret = -ENOMEM;
++ goto put_dev;
++ }
+ llcp_sock->ssap = nfc_llcp_get_sdp_ssap(local, llcp_sock);
+ if (llcp_sock->ssap == LLCP_SAP_MAX) {
++ kfree(llcp_sock->service_name);
++ llcp_sock->service_name = NULL;
+ ret = -EADDRINUSE;
+ goto put_dev;
+ }
+diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
+index 08ed6abe4aae..5f2acd029da5 100644
+--- a/net/nfc/netlink.c
++++ b/net/nfc/netlink.c
+@@ -970,7 +970,8 @@ static int nfc_genl_dep_link_down(struct sk_buff *skb, struct genl_info *info)
+ int rc;
+ u32 idx;
+
+- if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
++ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
++ !info->attrs[NFC_ATTR_TARGET_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+@@ -1019,7 +1020,8 @@ static int nfc_genl_llc_get_params(struct sk_buff *skb, struct genl_info *info)
+ struct sk_buff *msg = NULL;
+ u32 idx;
+
+- if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
++ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
++ !info->attrs[NFC_ATTR_FIRMWARE_NAME])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+diff --git a/net/rds/ib.c b/net/rds/ib.c
+index c21eb4850b9d..e723146cec29 100644
+--- a/net/rds/ib.c
++++ b/net/rds/ib.c
+@@ -140,6 +140,9 @@ static void rds_ib_add_one(struct ib_device *device)
+ refcount_set(&rds_ibdev->refcount, 1);
+ INIT_WORK(&rds_ibdev->free_work, rds_ib_dev_free);
+
++ INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
++ INIT_LIST_HEAD(&rds_ibdev->conn_list);
++
+ rds_ibdev->max_wrs = device->attrs.max_qp_wr;
+ rds_ibdev->max_sge = min(device->attrs.max_sge, RDS_IB_MAX_SGE);
+
+@@ -199,9 +202,6 @@ static void rds_ib_add_one(struct ib_device *device)
+ device->name,
+ rds_ibdev->use_fastreg ? "FRMR" : "FMR");
+
+- INIT_LIST_HEAD(&rds_ibdev->ipaddr_list);
+- INIT_LIST_HEAD(&rds_ibdev->conn_list);
+-
+ down_write(&rds_ib_devices_lock);
+ list_add_tail_rcu(&rds_ibdev->list, &rds_ib_devices);
+ up_write(&rds_ib_devices_lock);
+diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
+index aeffa320429d..40fd1ee0095c 100644
+--- a/net/sched/sch_cbq.c
++++ b/net/sched/sch_cbq.c
+@@ -1131,6 +1131,26 @@ static const struct nla_policy cbq_policy[TCA_CBQ_MAX + 1] = {
+ [TCA_CBQ_POLICE] = { .len = sizeof(struct tc_cbq_police) },
+ };
+
++static int cbq_opt_parse(struct nlattr *tb[TCA_CBQ_MAX + 1], struct nlattr *opt)
++{
++ int err;
++
++ if (!opt)
++ return -EINVAL;
++
++ err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL);
++ if (err < 0)
++ return err;
++
++ if (tb[TCA_CBQ_WRROPT]) {
++ const struct tc_cbq_wrropt *wrr = nla_data(tb[TCA_CBQ_WRROPT]);
++
++ if (wrr->priority > TC_CBQ_MAXPRIO)
++ err = -EINVAL;
++ }
++ return err;
++}
++
+ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
+ {
+ struct cbq_sched_data *q = qdisc_priv(sch);
+@@ -1142,10 +1162,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
+ hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+ q->delay_timer.function = cbq_undelay;
+
+- if (!opt)
+- return -EINVAL;
+-
+- err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL);
++ err = cbq_opt_parse(tb, opt);
+ if (err < 0)
+ return err;
+
+@@ -1459,10 +1476,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
+ struct cbq_class *parent;
+ struct qdisc_rate_table *rtab = NULL;
+
+- if (opt == NULL)
+- return -EINVAL;
+-
+- err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL);
++ err = cbq_opt_parse(tb, opt);
+ if (err < 0)
+ return err;
+
+diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
+index 2836c80c7aa5..b507a72d5813 100644
+--- a/net/sched/sch_dsmark.c
++++ b/net/sched/sch_dsmark.c
+@@ -353,6 +353,8 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
+ goto errout;
+
+ err = -EINVAL;
++ if (!tb[TCA_DSMARK_INDICES])
++ goto errout;
+ indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);
+
+ if (hweight32(indices) != 1)
+diff --git a/net/tipc/link.c b/net/tipc/link.c
+index ac0144f532aa..631bfc7e9127 100644
+--- a/net/tipc/link.c
++++ b/net/tipc/link.c
+@@ -157,6 +157,7 @@ struct tipc_link {
+ struct {
+ u16 len;
+ u16 limit;
++ struct sk_buff *target_bskb;
+ } backlog[5];
+ u16 snd_nxt;
+ u16 last_retransm;
+@@ -826,6 +827,8 @@ void link_prepare_wakeup(struct tipc_link *l)
+
+ void tipc_link_reset(struct tipc_link *l)
+ {
++ u32 imp;
++
+ l->peer_session = ANY_SESSION;
+ l->session++;
+ l->mtu = l->advertised_mtu;
+@@ -833,11 +836,10 @@ void tipc_link_reset(struct tipc_link *l)
+ __skb_queue_purge(&l->deferdq);
+ skb_queue_splice_init(&l->wakeupq, l->inputq);
+ __skb_queue_purge(&l->backlogq);
+- l->backlog[TIPC_LOW_IMPORTANCE].len = 0;
+- l->backlog[TIPC_MEDIUM_IMPORTANCE].len = 0;
+- l->backlog[TIPC_HIGH_IMPORTANCE].len = 0;
+- l->backlog[TIPC_CRITICAL_IMPORTANCE].len = 0;
+- l->backlog[TIPC_SYSTEM_IMPORTANCE].len = 0;
++ for (imp = 0; imp <= TIPC_SYSTEM_IMPORTANCE; imp++) {
++ l->backlog[imp].len = 0;
++ l->backlog[imp].target_bskb = NULL;
++ }
+ kfree_skb(l->reasm_buf);
+ kfree_skb(l->failover_reasm_skb);
+ l->reasm_buf = NULL;
+@@ -876,7 +878,7 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
+ u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1;
+ struct sk_buff_head *transmq = &l->transmq;
+ struct sk_buff_head *backlogq = &l->backlogq;
+- struct sk_buff *skb, *_skb, *bskb;
++ struct sk_buff *skb, *_skb, **tskb;
+ int pkt_cnt = skb_queue_len(list);
+ int rc = 0;
+
+@@ -922,19 +924,21 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
+ seqno++;
+ continue;
+ }
+- if (tipc_msg_bundle(skb_peek_tail(backlogq), hdr, mtu)) {
++ tskb = &l->backlog[imp].target_bskb;
++ if (tipc_msg_bundle(*tskb, hdr, mtu)) {
+ kfree_skb(__skb_dequeue(list));
+ l->stats.sent_bundled++;
+ continue;
+ }
+- if (tipc_msg_make_bundle(&bskb, hdr, mtu, l->addr)) {
++ if (tipc_msg_make_bundle(tskb, hdr, mtu, l->addr)) {
+ kfree_skb(__skb_dequeue(list));
+- __skb_queue_tail(backlogq, bskb);
+- l->backlog[msg_importance(buf_msg(bskb))].len++;
++ __skb_queue_tail(backlogq, *tskb);
++ l->backlog[imp].len++;
+ l->stats.sent_bundled++;
+ l->stats.sent_bundles++;
+ continue;
+ }
++ l->backlog[imp].target_bskb = NULL;
+ l->backlog[imp].len += skb_queue_len(list);
+ skb_queue_splice_tail_init(list, backlogq);
+ }
+@@ -949,6 +953,7 @@ void tipc_link_advance_backlog(struct tipc_link *l, struct sk_buff_head *xmitq)
+ u16 seqno = l->snd_nxt;
+ u16 ack = l->rcv_nxt - 1;
+ u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1;
++ u32 imp;
+
+ while (skb_queue_len(&l->transmq) < l->window) {
+ skb = skb_peek(&l->backlogq);
+@@ -959,7 +964,10 @@ void tipc_link_advance_backlog(struct tipc_link *l, struct sk_buff_head *xmitq)
+ break;
+ __skb_dequeue(&l->backlogq);
+ hdr = buf_msg(skb);
+- l->backlog[msg_importance(hdr)].len--;
++ imp = msg_importance(hdr);
++ l->backlog[imp].len--;
++ if (unlikely(skb == l->backlog[imp].target_bskb))
++ l->backlog[imp].target_bskb = NULL;
+ __skb_queue_tail(&l->transmq, skb);
+ __skb_queue_tail(xmitq, _skb);
+ TIPC_SKB_CB(skb)->ackers = l->ackers;
+diff --git a/net/tipc/msg.c b/net/tipc/msg.c
+index 17146c16ee2d..e38396025874 100644
+--- a/net/tipc/msg.c
++++ b/net/tipc/msg.c
+@@ -456,10 +456,7 @@ bool tipc_msg_make_bundle(struct sk_buff **skb, struct tipc_msg *msg,
+ bmsg = buf_msg(_skb);
+ tipc_msg_init(msg_prevnode(msg), bmsg, MSG_BUNDLER, 0,
+ INT_H_SIZE, dnode);
+- if (msg_isdata(msg))
+- msg_set_importance(bmsg, TIPC_CRITICAL_IMPORTANCE);
+- else
+- msg_set_importance(bmsg, TIPC_SYSTEM_IMPORTANCE);
++ msg_set_importance(bmsg, msg_importance(msg));
+ msg_set_seqno(bmsg, msg_seqno(msg));
+ msg_set_ack(bmsg, msg_ack(msg));
+ msg_set_bcast_ack(bmsg, msg_bcast_ack(msg));
+diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
+index b41170417316..148c949cdfe7 100644
+--- a/net/vmw_vsock/af_vsock.c
++++ b/net/vmw_vsock/af_vsock.c
+@@ -648,7 +648,7 @@ struct sock *__vsock_create(struct net *net,
+ }
+ EXPORT_SYMBOL_GPL(__vsock_create);
+
+-static void __vsock_release(struct sock *sk)
++static void __vsock_release(struct sock *sk, int level)
+ {
+ if (sk) {
+ struct sk_buff *skb;
+@@ -658,9 +658,17 @@ static void __vsock_release(struct sock *sk)
+ vsk = vsock_sk(sk);
+ pending = NULL; /* Compiler warning. */
+
++ /* The release call is supposed to use lock_sock_nested()
++ * rather than lock_sock(), if a sock lock should be acquired.
++ */
+ transport->release(vsk);
+
+- lock_sock(sk);
++ /* When "level" is SINGLE_DEPTH_NESTING, use the nested
++ * version to avoid the warning "possible recursive locking
++ * detected". When "level" is 0, lock_sock_nested(sk, level)
++ * is the same as lock_sock(sk).
++ */
++ lock_sock_nested(sk, level);
+ sock_orphan(sk);
+ sk->sk_shutdown = SHUTDOWN_MASK;
+
+@@ -669,7 +677,7 @@ static void __vsock_release(struct sock *sk)
+
+ /* Clean up any sockets that never were accepted. */
+ while ((pending = vsock_dequeue_accept(sk)) != NULL) {
+- __vsock_release(pending);
++ __vsock_release(pending, SINGLE_DEPTH_NESTING);
+ sock_put(pending);
+ }
+
+@@ -718,7 +726,7 @@ EXPORT_SYMBOL_GPL(vsock_stream_has_space);
+
+ static int vsock_release(struct socket *sock)
+ {
+- __vsock_release(sock->sk);
++ __vsock_release(sock->sk, 0);
+ sock->sk = NULL;
+ sock->state = SS_FREE;
+
+diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
+index ec72a5edaa1b..6614512f8180 100644
+--- a/net/vmw_vsock/hyperv_transport.c
++++ b/net/vmw_vsock/hyperv_transport.c
+@@ -539,7 +539,7 @@ static void hvs_release(struct vsock_sock *vsk)
+ struct sock *sk = sk_vsock(vsk);
+ bool remove_sock;
+
+- lock_sock(sk);
++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+ remove_sock = hvs_close_lock_held(vsk);
+ release_sock(sk);
+ if (remove_sock)
+diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
+index f3f3d06cb6d8..a8eb0657c1e8 100644
+--- a/net/vmw_vsock/virtio_transport_common.c
++++ b/net/vmw_vsock/virtio_transport_common.c
+@@ -791,7 +791,7 @@ void virtio_transport_release(struct vsock_sock *vsk)
+ struct sock *sk = &vsk->sk;
+ bool remove_sock = true;
+
+- lock_sock(sk);
++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+ if (sk->sk_type == SOCK_STREAM)
+ remove_sock = virtio_transport_close(vsk);
+
+diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
+index 1a3004189447..a9c20821a726 100644
+--- a/security/smack/smack_access.c
++++ b/security/smack/smack_access.c
+@@ -469,7 +469,7 @@ char *smk_parse_smack(const char *string, int len)
+ if (i == 0 || i >= SMK_LONGLABEL)
+ return ERR_PTR(-EINVAL);
+
+- smack = kzalloc(i + 1, GFP_KERNEL);
++ smack = kzalloc(i + 1, GFP_NOFS);
+ if (smack == NULL)
+ return ERR_PTR(-ENOMEM);
+
+@@ -504,7 +504,7 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap,
+ if ((m & *cp) == 0)
+ continue;
+ rc = netlbl_catmap_setbit(&sap->attr.mls.cat,
+- cat, GFP_KERNEL);
++ cat, GFP_NOFS);
+ if (rc < 0) {
+ netlbl_catmap_free(sap->attr.mls.cat);
+ return rc;
+@@ -540,7 +540,7 @@ struct smack_known *smk_import_entry(const char *string, int len)
+ if (skp != NULL)
+ goto freeout;
+
+- skp = kzalloc(sizeof(*skp), GFP_KERNEL);
++ skp = kzalloc(sizeof(*skp), GFP_NOFS);
+ if (skp == NULL) {
+ skp = ERR_PTR(-ENOMEM);
+ goto freeout;
+diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
+index 0d5ce7190b17..a0e1b99212b2 100644
+--- a/security/smack/smack_lsm.c
++++ b/security/smack/smack_lsm.c
+@@ -269,7 +269,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip,
+ if (!(ip->i_opflags & IOP_XATTR))
+ return ERR_PTR(-EOPNOTSUPP);
+
+- buffer = kzalloc(SMK_LONGLABEL, GFP_KERNEL);
++ buffer = kzalloc(SMK_LONGLABEL, GFP_NOFS);
+ if (buffer == NULL)
+ return ERR_PTR(-ENOMEM);
+
+@@ -944,7 +944,8 @@ static int smack_bprm_set_creds(struct linux_binprm *bprm)
+
+ if (rc != 0)
+ return rc;
+- } else if (bprm->unsafe)
++ }
++ if (bprm->unsafe & ~LSM_UNSAFE_PTRACE)
+ return -EPERM;
+
+ bsp->smk_task = isp->smk_task;
+@@ -4031,6 +4032,8 @@ access_check:
+ skp = smack_ipv6host_label(&sadd);
+ if (skp == NULL)
+ skp = smack_net_ambient;
++ if (skb == NULL)
++ break;
+ #ifdef CONFIG_AUDIT
+ smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
+ ad.a.u.net->family = family;
+diff --git a/usr/Makefile b/usr/Makefile
+index 237a028693ce..5f1bc5b23b14 100644
+--- a/usr/Makefile
++++ b/usr/Makefile
+@@ -11,6 +11,9 @@ datafile_y = initramfs_data.cpio$(suffix_y)
+ datafile_d_y = .$(datafile_y).d
+ AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/$(datafile_y)"
+
++# clean rules do not have CONFIG_INITRAMFS_COMPRESSION. So clean up after all
++# possible compression formats.
++clean-files += initramfs_data.cpio*
+
+ # Generate builtin.o based on initramfs_data.o
+ obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o
next reply other threads:[~2019-10-07 17:39 UTC|newest]
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