Merge android-4.4.165 (f34ff9e) into msm-4.4

* refs/heads/tmp-f34ff9e
  Linux 4.4.165
  xhci: Fix USB3 NULL pointer dereference at logical disconnect.
  HID: uhid: forbid UHID_CREATE under KERNEL_DS or elevated privileges
  new helper: uaccess_kernel()
  ACPI / platform: Add SMB0001 HID to forbidden_id_list
  drivers/misc/sgi-gru: fix Spectre v1 vulnerability
  USB: misc: appledisplay: add 20" Apple Cinema Display
  misc: atmel-ssc: Fix section annotation on atmel_ssc_get_driver_data
  usb: quirks: Add delay-init quirk for Corsair K70 LUX RGB
  USB: quirks: Add no-lpm quirk for Raydium touchscreens
  usb: cdc-acm: add entry for Hiro (Conexant) modem
  uio: Fix an Oops on load
  media: v4l: event: Add subscription to list before calling "add" operation
  Revert "Bluetooth: h5: Fix missing dependency on BT_HCIUART_SERDEV"
  Revert "media: videobuf2-core: don't call memop 'finish' when queueing"
  btrfs: fix pinned underflow after transaction aborted
  gfs2: Put bitmap buffers in put_super
  SUNRPC: drop pointless static qualifier in xdr_get_next_encode_buffer()
  zram: close udev startup race condition as default groups
  lib/raid6: Fix arm64 test build
  hwmon: (ibmpowernv) Remove bogus __init annotations
  netfilter: xt_IDLETIMER: add sysfs filename checking routine
  netfilter: ipset: Correct rcu_dereference() call in ip_set_put_comment()
  s390/mm: Fix ERROR: "__node_distance" undefined!
  netfilter: ipset: actually allow allowable CIDR 0 in hash:net,port,net
  s390/vdso: add missing FORCE to build targets
  arm64: percpu: Initialize ret in the default case
  platform/x86: acerhdf: Add BIOS entry for Gateway LT31 v1.3307
  clk: samsung: exynos5420: Enable PERIS clocks for suspend
  fs/exofs: fix potential memory leak in mount option parsing
  um: Give start_idle_thread() a return code
  hfsplus: prevent btree data loss on root split
  hfs: prevent btree data loss on root split
  reiserfs: propagate errors from fill_with_dentries() properly
  x86/build: Use cc-option to validate stack alignment parameter
  x86/build: Fix stack alignment for CLang
  x86/boot: #undef memcpy() et al in string.c
  x86/build: Specify stack alignment for clang
  x86/build: Use __cc-option for boot code compiler options
  kbuild: Add __cc-option macro
  x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
  crypto, x86: aesni - fix token pasting for clang
  x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
  arm64: Disable asm-operand-width warning for clang
  kbuild: allow to use GCC toolchain not in Clang search path
  kbuild: set no-integrated-as before incl. arch Makefile
  kbuild: clang: disable unused variable warnings only when constant
  kbuild: clang: remove crufty HOSTCFLAGS
  kbuild: clang: fix build failures with sparse check
  kbuild: move cc-option and cc-disable-warning after incl. arch Makefile
  kbuild: Set KBUILD_CFLAGS before incl. arch Makefile
  kbuild: fix linker feature test macros when cross compiling with Clang
  efi/libstub/arm64: Set -fpie when building the EFI stub
  efi/libstub/arm64: Force 'hidden' visibility for section markers
  crypto: arm64/sha - avoid non-standard inline asm tricks
  kbuild: clang: Disable 'address-of-packed-member' warning
  modules: mark __inittest/__exittest as __maybe_unused
  kbuild: Add support to generate LLVM assembly files
  kbuild: use -Oz instead of -Os when using clang
  kbuild, LLVMLinux: Add -Werror to cc-option to support clang
  kbuild: drop -Wno-unknown-warning-option from clang options
  kbuild: fix asm-offset generation to work with clang
  kbuild: consolidate redundant sed script ASM offset generation
  kbuild: Consolidate header generation from ASM offset information
  kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
  kbuild: Add better clang cross build support
  ipv6: Fix PMTU updates for UDP/raw sockets in presence of VRF
  tg3: Add PHY reset for 5717/5719/5720 in change ring and flow control paths
  net-gro: reset skb->pkt_type in napi_reuse_skb()
  ip_tunnel: don't force DF when MTU is locked
  flow_dissector: do not dissect l4 ports for fragments

Conflicts:
	arch/um/os-Linux/skas/process.c

Change-Id: I6587d94332e204c068f7d44428a2ec1280bc3a7f
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

1 files changed, 6 insertions, 19 deletions

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 418243fab5d2..a3abe6e89e4e 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1639,6 +1639,11 @@ static const struct attribute_group zram_disk_attr_group = {
 	.attrs = zram_disk_attrs,
 };
 
+static const struct attribute_group *zram_disk_attr_groups[] = {
+	&zram_disk_attr_group,
+	NULL,
+};
+
 /*
  * Allocate and initialize new zram device. the function returns
  * '>= 0' device_id upon success, and negative value otherwise.
@@ -1721,24 +1726,15 @@ static int zram_add(void)
 
 	zram->disk->queue->backing_dev_info->capabilities |=
 					BDI_CAP_STABLE_WRITES;
+	disk_to_dev(zram->disk)->groups = zram_disk_attr_groups;
 	add_disk(zram->disk);
 
-	ret = sysfs_create_group(&disk_to_dev(zram->disk)->kobj,
-				&zram_disk_attr_group);
-	if (ret < 0) {
-		pr_err("Error creating sysfs group for device %d\n",
-				device_id);
-		goto out_free_disk;
-	}
 	strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor));
 
 	zram_debugfs_register(zram);
 	pr_info("Added device: %s\n", zram->disk->disk_name);
 	return device_id;
 
-out_free_disk:
-	del_gendisk(zram->disk);
-	put_disk(zram->disk);
 out_free_queue:
 	blk_cleanup_queue(queue);
 out_free_idr:
@@ -1767,15 +1763,6 @@ static int zram_remove(struct zram *zram)
 	mutex_unlock(&bdev->bd_mutex);
 
 	zram_debugfs_unregister(zram);
-	/*
-	 * Remove sysfs first, so no one will perform a disksize
-	 * store while we destroy the devices. This also helps during
-	 * hot_remove -- zram_reset_device() is the last holder of
-	 * ->init_lock, no later/concurrent disksize_store() or any
-	 * other sysfs handlers are possible.
-	 */
-	sysfs_remove_group(&disk_to_dev(zram->disk)->kobj,
-			&zram_disk_attr_group);
 
 	/* Make sure all the pending I/O are finished */
 	fsync_bdev(bdev);