Merge 4.9.251 into android-4.9-p

Changes in 4.9.251
	kbuild: don't hardcode depmod path
	workqueue: Kick a worker based on the actual activation of delayed works
	lib/genalloc: fix the overflow when size is too big
	depmod: handle the case of /sbin/depmod without /sbin in PATH
	ethernet: ucc_geth: fix use-after-free in ucc_geth_remove()
	atm: idt77252: call pci_disable_device() on error path
	net/ncsi: Use real net-device for response handler
	net: ethernet: Fix memleak in ethoc_probe
	ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
	net: hns: fix return value check in __lb_other_process()
	net: hdlc_ppp: Fix issues when mod_timer is called while timer is running
	CDC-NCM: remove "connected" log message
	vhost_net: fix ubuf refcount incorrectly when sendmsg fails
	net: sched: prevent invalid Scell_log shift count
	virtio_net: Fix recursive call to cpus_read_lock()
	scripts/gdb: make lx-dmesg command work (reliably)
	scripts/gdb: lx-dmesg: cast log_buf to void* for addr fetch
	scripts/gdb: lx-dmesg: use explicit encoding=utf8 errors=replace
	scripts/gdb: fix lx-version string output
	video: hyperv_fb: Fix the mmap() regression for v5.4.y and older
	usb: gadget: enable super speed plus
	USB: cdc-acm: blacklist another IR Droid device
	usb: chipidea: ci_hdrc_imx: add missing put_device() call in usbmisc_get_init_data()
	USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set
	usb: uas: Add PNY USB Portable SSD to unusual_uas
	USB: serial: iuu_phoenix: fix DMA from stack
	USB: serial: option: add LongSung M5710 module support
	USB: yurex: fix control-URB timeout handling
	USB: usblp: fix DMA to stack
	ALSA: usb-audio: Fix UBSAN warnings for MIDI jacks
	usb: gadget: select CONFIG_CRC32
	usb: gadget: f_uac2: reset wMaxPacketSize
	usb: gadget: function: printer: Fix a memory leak for interface descriptor
	USB: gadget: legacy: fix return error code in acm_ms_bind()
	usb: gadget: Fix spinlock lockup on usb_function_deactivate
	usb: gadget: configfs: Preserve function ordering after bind failure
	usb: gadget: configfs: Fix use-after-free issue with udc_name
	USB: serial: keyspan_pda: remove unused variable
	x86/mm: Fix leak of pmd ptlock
	ALSA: hda/conexant: add a new hda codec CX11970
	Revert "device property: Keep secondary firmware node secondary by type"
	netfilter: ipset: fix shift-out-of-bounds in htable_bits()
	netfilter: xt_RATEEST: reject non-null terminated string from userspace
	x86/mtrr: Correct the range check before performing MTRR type lookups
	Linux 4.9.251

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I7bae6cdd00ce578404d838c74a6502f1f1d3e2a6