Merge Linux 4.4.242 kernel

Changes in 4.4.242: (87 commits)
        SUNRPC: ECONNREFUSED should cause a rebind.
        scripts/setlocalversion: make git describe output more reliable
        powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler
        efivarfs: Replace invalid slashes with exclamation marks in dentries.
        ravb: Fix bit fields checking in ravb_hwtstamp_get()
        tipc: fix memory leak caused by tipc_buf_append()
        mtd: lpddr: Fix bad logic in print_drs_error
        ata: sata_rcar: Fix DMA boundary mask
        fscrypt: return -EXDEV for incompatible rename or link into encrypted dir
        f2fs crypto: avoid unneeded memory allocation in ->readdir
        powerpc/powernv/smp: Fix spurious DBG() warning
        sparc64: remove mm_cpumask clearing to fix kthread_use_mm race
        f2fs: fix to check segment boundary during SIT page readahead
        um: change sigio_spinlock to a mutex
        xfs: fix realtime bitmap/summary file truncation when growing rt volume
        video: fbdev: pvr2fb: initialize variables
        ath10k: fix VHT NSS calculation when STBC is enabled
        mmc: via-sdmmc: Fix data race bug
        printk: reduce LOG_BUF_SHIFT range for H8300
        kgdb: Make "kgdbcon" work properly with "kgdb_earlycon"
        USB: adutux: fix debugging
        drivers/net/wan/hdlc_fr: Correctly handle special skb->protocol values
        power: supply: test_power: add missing newlines when printing parameters by sysfs
        md/bitmap: md_bitmap_get_counter returns wrong blocks
        clk: ti: clockdomain: fix static checker warning
        net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
        drivers: watchdog: rdc321x_wdt: Fix race condition bugs
        ext4: Detect already used quota file early
        gfs2: add validation checks for size of superblock
        memory: emif: Remove bogus debugfs error handling
        ARM: dts: s5pv210: move PMU node out of clock controller
        ARM: dts: s5pv210: remove dedicated 'audio-subsystem' node
        md/raid5: fix oops during stripe resizing
        leds: bcm6328, bcm6358: use devres LED registering function
        NFS: fix nfs_path in case of a rename retry
        ACPI / extlog: Check for RDMSR failure
        ACPI: video: use ACPI backlight for HP 635 Notebook
        acpi-cpufreq: Honor _PSD table setting on new AMD CPUs
        w1: mxc_w1: Fix timeout resolution problem leading to bus error
        scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
        btrfs: reschedule if necessary when logging directory items
        vt: keyboard, simplify vt_kdgkbsent
        vt: keyboard, extend func_buf_lock to readers
        dmaengine: dma-jz4780: Fix race in jz4780_dma_tx_status
        iio:gyro:itg3200: Fix timestamp alignment and prevent data leak.
        powerpc/powernv/elog: Fix race while processing OPAL error log event.
        ubifs: dent: Fix some potential memory leaks while iterating entries
        ubi: check kthread_should_stop() after the setting of task state
        ia64: fix build error with !COREDUMP
        ceph: promote to unsigned long long before shifting
        libceph: clear con->out_msg on Policy::stateful_server faults
        9P: Cast to loff_t before multiplying
        ring-buffer: Return 0 on success from ring_buffer_resize()
        vringh: fix __vringh_iov() when riov and wiov are different
        tty: make FONTX ioctl use the tty pointer they were actually passed
        arm64: berlin: Select DW_APB_TIMER_OF
        cachefiles: Handle readpage error correctly
        hil/parisc: Disable HIL driver when it gets stuck
        ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
        ARM: s3c24xx: fix missing system reset
        device property: Keep secondary firmware node secondary by type
        device property: Don't clear secondary pointer for shared primary firmware node
        staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
        xen/events: don't use chip_data for legacy IRQs
        tipc: fix use-after-free in tipc_bcast_get_mode
        gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
        gianfar: Account for Tx PTP timestamp in the skb headroom
        Fonts: Replace discarded const qualifier
        ALSA: usb-audio: Add implicit feedback quirk for Qu-16
        ftrace: Fix recursion check for NMI test
        ftrace: Handle tracing when switching between context
        ARM: dts: sun4i-a10: fix cpu_alert temperature
        x86/kexec: Use up-to-dated screen_info copy to fill boot params
        of: Fix reserved-memory overlap detection
        scsi: core: Don't start concurrent async scan on same host
        vsock: use ns_capable_noaudit() on socket create
        vt: Disable KD_FONT_OP_COPY
        fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
        serial: 8250_mtk: Fix uart_get_baud_rate warning
        serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
        USB: serial: cyberjack: fix write-URB completion race
        USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
        USB: serial: option: add Telit FN980 composition 0x1055
        USB: Add NO_LPM quirk for Kingston flash drive
        ARC: stack unwinding: avoid indefinite looping
        Revert "ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE"
        Linux 4.4.242

Conflicts:
	fs/f2fs/dir.c
	fs/f2fs/namei.c
	scripts/setlocalversion