Merge Linux 4.4.247 kernel

Changes in 4.4.247: (24 commits)
        btrfs: tree-checker: Enhance chunk checker to validate chunk profile
        btrfs: inode: Verify inode mode to avoid NULL pointer dereference
        HID: cypress: Support Varmilo Keyboards' media hotkeys
        Input: i8042 - allow insmod to succeed on devices without an i8042 controller
        HID: hid-sensor-hub: Fix issue with devices with no report ID
        x86/xen: don't unbind uninitialized lock_kicker_irq
        proc: don't allow async path resolution of /proc/self components
        dmaengine: pl330: _prep_dma_memcpy: Fix wrong burst size
        scsi: libiscsi: Fix NOP race condition
        scsi: target: iscsi: Fix cmd abort fabric stop race
        scsi: ufs: Fix race between shutdown and runtime resume flow
        bnxt_en: fix error return code in bnxt_init_board()
        video: hyperv_fb: Fix the cache type when mapping the VRAM
        bnxt_en: Release PCI regions when DMA mask setup fails during probe.
        IB/mthca: fix return value of error branch in mthca_init_cq()
        nfc: s3fwrn5: use signed integer for parsing GPIO numbers
        efivarfs: revert "fix memory leak in efivarfs_create()"
        perf probe: Fix to die_entrypc() returns error correctly
        USB: core: Change %pK for __user pointers to %px
        x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
        USB: core: add endpoint-blacklist quirk
        USB: core: Fix regression in Hercules audio card
        btrfs: fix lockdep splat when reading qgroup config on mount
        Linux 4.4.247

Conflicts:
	drivers/scsi/ufs/ufshcd.c