4.15-stable patches

4.15-stable patches

added patches:
	dccp-check-sk-for-closed-state-in-dccp_sendmsg.patch
	devlink-remove-redundant-free-on-error-path.patch
	dpaa_eth-fix-error-in-dpaa_remove.patch
	dpaa_eth-increment-the-rx-dropped-counter-when-needed.patch
	dpaa_eth-remove-duplicate-increment-of-the-tx_errors-counter.patch
	dpaa_eth-remove-duplicate-initialization.patch
	ieee802154-6lowpan-fix-possible-null-deref-in-lowpan_device_event.patch
	ipv6-fix-access-to-non-linear-packet-in-ndisc_fill_redirect_hdr_option.patch
	ipv6-old_dport-should-be-a-__be16-in-__ip6_datagram_connect.patch
	ipv6-reflect-mtu-changes-on-pmtu-of-exceptions-for-mtu-less-routes.patch
	ipv6-sr-fix-null-pointer-dereference-when-setting-encap-source-address.patch
	ipv6-sr-fix-scheduling-in-rcu-when-creating-seg6-lwtunnel-state.patch
	kcm-lock-lower-socket-in-kcm_attach.patch
	l2tp-do-not-accept-arbitrary-sockets.patch
	macvlan-filter-out-unsupported-feature-flags.patch
	mlxsw-spectrum_buffers-set-a-minimum-quota-for-cpu-port-traffic.patch
	net-dsa-fix-dsa_is_user_port-test-inversion.patch
	net-ethernet-arc-fix-a-potential-memory-leak-if-an-optional-regulator-is-deferred.patch
	net-ethernet-ti-cpsw-add-check-for-in-band-mode-setting-with-rgmii-phy-interface.patch
	net-fec-fix-unbalanced-pm-runtime-calls.patch
	net-fix-hlist-corruptions-in-inet_evict_bucket.patch
	net-ipv6-keep-sk-status-consistent-after-datagram-connect-failure.patch
	net-iucv-free-memory-obtained-by-kzalloc.patch
	net-only-honor-ifindex-in-ip_pktinfo-if-non-0.patch
	net-phy-relax-error-checking-when-creating-sysfs-link-netdev-phydev.patch
	net-phy-tell-caller-result-of-phy_change.patch
	net-sched-actions-return-explicit-error-when-tunnel_key-mode-is-not-specified.patch
	net-systemport-rewrite-__bcm_sysport_tx_reclaim.patch
	net-use-skb_to_full_sk-in-skb_update_prio.patch
	netlink-avoid-a-double-skb-free-in-genlmsg_mcast.patch
	openvswitch-meter-fix-the-incorrect-calculation-of-max-delta_t.patch
	ppp-avoid-loop-in-xmit-recursion-detection-code.patch
	qed-fix-mpa-unalign-flow-in-case-header-is-split-across-two-packets.patch
	qed-fix-non-tcp-packets-should-be-dropped-on-iwarp-ll2-connection.patch
	qede-fix-qedr-link-update.patch
	rhashtable-fix-rhlist-duplicates-insertion.patch
	s390-qeth-free-netdevice-when-removing-a-card.patch
	s390-qeth-lock-read-device-while-queueing-next-buffer.patch
	s390-qeth-on-channel-error-reject-further-cmd-requests.patch
	s390-qeth-when-thread-completes-wake-up-all-waiters.patch
	sch_netem-fix-skb-leak-in-netem_enqueue.patch
	skbuff-fix-not-waking-applications-when-errors-are-enqueued.patch
	soc-fsl-qbman-fix-issue-in-qman_delete_cgr_safe.patch
	sysfs-symlink-export-sysfs_create_link_nowarn.patch
	tcp-purge-write-queue-upon-aborting-the-connection.patch
	team-fix-double-free-in-error-path.patch
	test_rhashtable-add-test-case-for-rhltable-with-duplicate-objects.patch