Merge 4.4.176 into android-4.4

Merge 4.4.176 into android-4.4

Changes in 4.4.176
	net: fix IPv6 prefix route residue
	vsock: cope with memory allocation failure at socket creation time
	hwmon: (lm80) Fix missing unlock on error in set_fan_div()
	net: Fix for_each_netdev_feature on Big endian
	sky2: Increase D3 delay again
	net: Add header for usage of fls64()
	tcp: tcp_v4_err() should be more careful
	net: Do not allocate page fragments that are not skb aligned
	tcp: clear icsk_backoff in tcp_write_queue_purge()
	vxlan: test dev->flags & IFF_UP before calling netif_rx()
	net: stmmac: Fix a race in EEE enable callback
	net: ipv4: use a dedicated counter for icmp_v4 redirect packets
	x86: livepatch: Treat R_X86_64_PLT32 as R_X86_64_PC32
	kvm: fix kvm_ioctl_create_device() reference counting (CVE-2019-6974)
	mfd: as3722: Handle interrupts on suspend
	mfd: as3722: Mark PM functions as __maybe_unused
	net/x25: do not hold the cpu too long in x25_new_lci()
	mISDN: fix a race in dev_expire_timer()
	ax25: fix possible use-after-free
	KVM: VMX: Fix x2apic check in vmx_msr_bitmap_mode()
	Linux 4.4.176

Change-Id: I04f3fbccfda85580720628f6415548d3e34781cc
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>