Merge 4.19.4 into android-4.19

Changes in 4.19.4
	flow_dissector: do not dissect l4 ports for fragments
	ibmvnic: fix accelerated VLAN handling
	ip_tunnel: don't force DF when MTU is locked
	ipv6: fix a dst leak when removing its exception
	ipv6: Fix PMTU updates for UDP/raw sockets in presence of VRF
	net: bcmgenet: protect stop from timeout
	net-gro: reset skb->pkt_type in napi_reuse_skb()
	sctp: not allow to set asoc prsctp_enable by sockopt
	tcp: Fix SOF_TIMESTAMPING_RX_HARDWARE to use the latest timestamp during TCP coalescing
	tg3: Add PHY reset for 5717/5719/5720 in change ring and flow control paths
	tipc: don't assume linear buffer when reading ancillary data
	tipc: fix lockdep warning when reinitilaizing sockets
	tuntap: fix multiqueue rx
	net: systemport: Protect stop from timeout
	net/sched: act_pedit: fix memory leak when IDR allocation fails
	net: sched: cls_flower: validate nested enc_opts_policy to avoid warning
	tipc: fix link re-establish failure
	net/mlx5e: Don't match on vlan non-existence if ethertype is wildcarded
	net/mlx5e: Claim TC hw offloads support only under a proper build config
	net/mlx5e: Adjust to max number of channles when re-attaching
	net/mlx5e: RX, verify received packet size in Linear Striding RQ
	Revert "sctp: remove sctp_transport_pmtu_check"
	net/mlx5e: Always use the match level enum when parsing TC rule match
	net/mlx5e: Fix selftest for small MTUs
	net/mlx5e: Removed unnecessary warnings in FEC caps query
	inet: frags: better deal with smp races
	l2tp: fix a sock refcnt leak in l2tp_tunnel_register
	net/mlx5: IPSec, Fix the SA context hash key
	net/mlx5e: IPoIB, Reset QP after channels are closed
	net: dsa: mv88e6xxx: Fix clearing of stats counters
	net: phy: realtek: fix RTL8201F sysfs name
	sctp: define SCTP_SS_DEFAULT for Stream schedulers
	net: qualcomm: rmnet: Fix incorrect assignment of real_dev
	net: dsa: microchip: initialize mutex before use
	sctp: fix strchange_flags name for Stream Change Event
	net: phy: mdio-gpio: Fix working over slow can_sleep GPIOs
	sctp: not increase stream's incnt before sending addstrm_in request
	mlxsw: spectrum: Fix IP2ME CPU policer configuration
	net: smsc95xx: Fix MTU range
	rxrpc: Fix lockup due to no error backoff after ack transmit error
	usbnet: smsc95xx: disable carrier check while suspending
	Revert "x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation"
	Linux 4.19.4

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