Merge android-4.4.175 (08d5867) into msm-4.4

* refs/heads/tmp-08d5867
  Linux 4.4.175
  uapi/if_ether.h: move __UAPI_DEF_ETHHDR libc define
  pinctrl: msm: fix gpio-hog related boot issues
  usb: dwc2: Remove unnecessary kfree
  kaweth: use skb_cow_head() to deal with cloned skbs
  ch9200: use skb_cow_head() to deal with cloned skbs
  smsc95xx: Use skb_cow_head to deal with cloned skbs
  dm thin: fix bug where bio that overwrites thin block ignores FUA
  x86/a.out: Clear the dump structure initially
  signal: Restore the stop PTRACE_EVENT_EXIT
  x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
  tracing/uprobes: Fix output for multiple string arguments
  alpha: Fix Eiger NR_IRQS to 128
  alpha: fix page fault handling for r16-r18 targets
  Input: elantech - enable 3rd button support on Fujitsu CELSIUS H780
  Input: bma150 - register input device after setting private data
  ALSA: usb-audio: Fix implicit fb endpoint setup by quirk
  ALSA: hda - Add quirk for HP EliteBook 840 G5
  perf/core: Fix impossible ring-buffer sizes warning
  Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
  Revert "Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G"
  Documentation/network: reword kernel version reference
  cifs: Limit memory used by lock request calls to a page
  gpio: pl061: handle failed allocations
  ARM: dts: kirkwood: Fix polarity of GPIO fan lines
  ARM: dts: da850-evm: Correct the sound card name
  uapi/if_ether.h: prevent redefinition of struct ethhdr
  Revert "exec: load_script: don't blindly truncate shebang string"
  batman-adv: Force mac header to start of data on xmit
  batman-adv: Avoid WARN on net_device without parent in netns
  xfrm: refine validation of template and selector families
  libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive()
  Revert "cifs: In Kconfig CONFIG_CIFS_POSIX needs depends on legacy (insecure cifs)"
  NFC: nxp-nci: Include unaligned.h instead of access_ok.h
  HID: debug: fix the ring buffer implementation
  drm/vmwgfx: Return error code from vmw_execbuf_copy_fence_user
  drm/vmwgfx: Fix setting of dma masks
  drm/modes: Prevent division by zero htotal
  mac80211: ensure that mgmt tx skbs have tailroom for encryption
  ARM: iop32x/n2100: fix PCI IRQ mapping
  MIPS: VDSO: Include $(ccflags-vdso) in o32,n32 .lds builds
  MIPS: OCTEON: don't set octeon_dma_bar_type if PCI is disabled
  mips: cm: reprime error cause
  debugfs: fix debugfs_rename parameter checking
  misc: vexpress: Off by one in vexpress_syscfg_exec()
  signal: Better detection of synchronous signals
  signal: Always notice exiting tasks
  mtd: rawnand: gpmi: fix MX28 bus master lockup problem
  perf tests evsel-tp-sched: Fix bitwise operator
  perf/core: Don't WARN() for impossible ring-buffer sizes
  x86/MCE: Initialize mce.bank in the case of a fatal error in mce_no_way_out()
  perf/x86/intel/uncore: Add Node ID mask
  KVM: nVMX: unconditionally cancel preemption timer in free_nested (CVE-2019-7221)
  KVM: x86: work around leak of uninitialized stack contents (CVE-2019-7222)
  usb: gadget: udc: net2272: Fix bitwise and boolean operations
  usb: phy: am335x: fix race condition in _probe
  dmaengine: imx-dma: fix wrong callback invoke
  fuse: handle zero sized retrieve correctly
  fuse: decrement NR_WRITEBACK_TEMP on the right page
  fuse: call pipe_buf_release() under pipe lock
  ALSA: hda - Serialize codec registrations
  ALSA: compress: Fix stop handling on compressed capture streams
  net: dsa: slave: Don't propagate flag changes on down slave interfaces
  net: systemport: Fix WoL with password after deep sleep
  skge: potential memory corruption in skge_get_regs()
  net: dp83640: expire old TX-skb
  enic: fix checksum validation for IPv6
  dccp: fool proof ccid_hc_[rt]x_parse_options()
  string: drop __must_check from strscpy() and restore strscpy() usages in cgroup
  tipc: use destination length for copy string
  test_hexdump: use memcpy instead of strncpy
  thermal: hwmon: inline helpers when CONFIG_THERMAL_HWMON is not set
  exec: load_script: don't blindly truncate shebang string
  fs/epoll: drop ovflist branch prediction
  kernel/hung_task.c: break RCU locks based on jiffies
  HID: lenovo: Add checks to fix of_led_classdev_register
  block/swim3: Fix -EBUSY error when re-opening device after unmount
  gdrom: fix a memory leak bug
  isdn: hisax: hfc_pci: Fix a possible concurrency use-after-free bug in HFCPCI_l1hw()
  ocfs2: don't clear bh uptodate for block read
  scripts/decode_stacktrace: only strip base path when a prefix of the path
  niu: fix missing checks of niu_pci_eeprom_read
  um: Avoid marking pages with "changed protection"
  cifs: check ntwrk_buf_start for NULL before dereferencing it
  crypto: ux500 - Use proper enum in hash_set_dma_transfer
  crypto: ux500 - Use proper enum in cryp_set_dma_transfer
  seq_buf: Make seq_buf_puts() null-terminate the buffer
  hwmon: (lm80) fix a missing check of bus read in lm80 probe
  hwmon: (lm80) fix a missing check of the status of SMBus read
  NFS: nfs_compare_mount_options always compare auth flavors.
  KVM: x86: svm: report MSR_IA32_MCG_EXT_CTL as unsupported
  fbdev: fbcon: Fix unregister crash when more than one framebuffer
  igb: Fix an issue that PME is not enabled during runtime suspend
  fbdev: fbmem: behave better with small rotated displays and many CPUs
  video: clps711x-fb: release disp device node in probe()
  drbd: Avoid Clang warning about pointless switch statment
  drbd: skip spurious timeout (ping-timeo) when failing promote
  drbd: disconnect, if the wrong UUIDs are attached on a connected peer
  drbd: narrow rcu_read_lock in drbd_sync_handshake
  cw1200: Fix concurrency use-after-free bugs in cw1200_hw_scan()
  Bluetooth: Fix unnecessary error message for HCI request completion
  xfrm6_tunnel: Fix spi check in __xfrm6_tunnel_alloc_spi
  mac80211: fix radiotap vendor presence bitmap handling
  powerpc/uaccess: fix warning/error with access_ok()
  arm64: KVM: Skip MMIO insn after emulation
  tty: serial: samsung: Properly set flags in autoCTS mode
  memstick: Prevent memstick host from getting runtime suspended during card detection
  ASoC: fsl: Fix SND_SOC_EUKREA_TLV320 build error on i.MX8M
  ARM: pxa: avoid section mismatch warning
  udf: Fix BUG on corrupted inode
  i2c-axxia: check for error conditions first
  cpuidle: big.LITTLE: fix refcount leak
  clk: imx6sl: ensure MMDC CH0 handshake is bypassed
  sata_rcar: fix deferred probing
  iommu/arm-smmu-v3: Use explicit mb() when moving cons pointer
  mips: bpf: fix encoding bug for mm_srlv32_op
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  timekeeping: Use proper seqcount initializer
  usb: hub: delay hub autosuspend if USB3 port is still link training
  smack: fix access permissions for keyring
  media: DaVinci-VPBE: fix error handling in vpbe_initialize()
  x86/fpu: Add might_fault() to user_insn()
  ARM: dts: mmp2: fix TWSI2
  arm64: ftrace: don't adjust the LR value
  nfsd4: fix crash on writing v4_end_grace before nfsd startup
  sunvdc: Do not spin in an infinite loop when vio_ldc_send() returns EAGAIN
  f2fs: fix wrong return value of f2fs_acl_create
  f2fs: move dir data flush to write checkpoint process
  soc/tegra: Don't leak device tree node reference
  perf tools: Add Hygon Dhyana support
  modpost: validate symbol names also in find_elf_symbol
  ARM: OMAP2+: hwmod: Fix some section annotations
  staging: iio: ad7780: update voltage on read
  staging:iio:ad2s90: Make probe handle spi_setup failure
  ptp: check gettime64 return code in PTP_SYS_OFFSET ioctl
  serial: fsl_lpuart: clear parity enable bit when disable parity
  powerpc/pseries: add of_node_put() in dlpar_detach_node()
  x86/PCI: Fix Broadcom CNB20LE unintended sign extension (redux)
  dlm: Don't swamp the CPU with callbacks queued during recovery
  ARM: 8808/1: kexec:offline panic_smp_self_stop CPU
  scsi: lpfc: Correct LCB RJT handling
  ASoC: Intel: mrfld: fix uninitialized variable access
  staging: iio: adc: ad7280a: handle error from __ad7280_read32()
  drm/bufs: Fix Spectre v1 vulnerability
  BACKPORT: userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas
  ANDROID: cuttlefish_defconfig: Enable DEBUG_SET_MODULE_RONX
  ANDROID: Move from clang r346389b to r349610.
  UPSTREAM: virt_wifi: fix error return code in virt_wifi_newlink()
  ion: Disable ION_HEAP_TYPE_SYSTEM_CONTIG

Change-Id: I8456a2f1d229a2d454295d660f749a2b436c6440
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

2 files changed, 15 insertions, 13 deletions

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index ef03cb25f5bf..201c25fd9832 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -632,14 +632,15 @@ drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int for
 		if (rv == SS_TWO_PRIMARIES) {
 			/* Maybe the peer is detected as dead very soon...
 			   retry at most once more in this case. */
-			int timeo;
-			rcu_read_lock();
-			nc = rcu_dereference(connection->net_conf);
-			timeo = nc ? (nc->ping_timeo + 1) * HZ / 10 : 1;
-			rcu_read_unlock();
-			schedule_timeout_interruptible(timeo);
-			if (try < max_tries)
+			if (try < max_tries) {
+				int timeo;
 				try = max_tries - 1;
+				rcu_read_lock();
+				nc = rcu_dereference(connection->net_conf);
+				timeo = nc ? (nc->ping_timeo + 1) * HZ / 10 : 1;
+				rcu_read_unlock();
+				schedule_timeout_interruptible(timeo);
+			}
 			continue;
 		}
 		if (rv < SS_SUCCESS) {
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index b4b5680ac6ad..b1ee358edd3b 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3126,7 +3126,7 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,
 	enum drbd_conns rv = C_MASK;
 	enum drbd_disk_state mydisk;
 	struct net_conf *nc;
-	int hg, rule_nr, rr_conflict, tentative;
+	int hg, rule_nr, rr_conflict, tentative, always_asbp;
 
 	mydisk = device->state.disk;
 	if (mydisk == D_NEGOTIATING)
@@ -3168,8 +3168,12 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,
 
 	rcu_read_lock();
 	nc = rcu_dereference(peer_device->connection->net_conf);
+	always_asbp = nc->always_asbp;
+	rr_conflict = nc->rr_conflict;
+	tentative = nc->tentative;
+	rcu_read_unlock();
 
-	if (hg == 100 || (hg == -100 && nc->always_asbp)) {
+	if (hg == 100 || (hg == -100 && always_asbp)) {
 		int pcount = (device->state.role == R_PRIMARY)
 			   + (peer_role == R_PRIMARY);
 		int forced = (hg == -100);
@@ -3208,9 +3212,6 @@ static enum drbd_conns drbd_sync_handshake(struct drbd_peer_device *peer_device,
 			     "Sync from %s node\n",
 			     (hg < 0) ? "peer" : "this");
 	}
-	rr_conflict = nc->rr_conflict;
-	tentative = nc->tentative;
-	rcu_read_unlock();
 
 	if (hg == -100) {
 		/* FIXME this log message is not correct if we end up here
@@ -3889,7 +3890,7 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info
 	kfree(device->p_uuid);
 	device->p_uuid = p_uuid;
 
-	if (device->state.conn < C_CONNECTED &&
+	if ((device->state.conn < C_CONNECTED || device->state.pdsk == D_DISKLESS) &&
 	    device->state.disk < D_INCONSISTENT &&
 	    device->state.role == R_PRIMARY &&
 	    (device->ed_uuid & ~((u64)1)) != (p_uuid[UI_CURRENT] & ~((u64)1))) {