Merge 4.4.81 into android-4.4

Changes in 4.4.81
	libata: array underflow in ata_find_dev()
	workqueue: restore WQ_UNBOUND/max_active==1 to be ordered
	ALSA: hda - Fix speaker output from VAIO VPCL14M1R
	ASoC: do not close shared backend dailink
	KVM: async_pf: make rcu irq exit if not triggered from idle task
	mm/page_alloc: Remove kernel address exposure in free_reserved_area()
	ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize
	ext4: fix overflow caused by missing cast in ext4_resize_fs()
	ARM: dts: armada-38x: Fix irq type for pca955
	media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl
	target: Avoid mappedlun symlink creation during lun shutdown
	iscsi-target: Always wait for kthread_should_stop() before kthread exit
	iscsi-target: Fix early sk_data_ready LOGIN_FLAGS_READY race
	iscsi-target: Fix initial login PDU asynchronous socket close OOPs
	iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP
	iser-target: Avoid isert_conn->cm_id dereference in isert_login_recv_done
	mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
	media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds
	f2fs: sanity check checkpoint segno and blkoff
	drm: rcar-du: fix backport bug
	saa7164: fix double fetch PCIe access condition
	ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check()
	net: Zero terminate ifr_name in dev_ifname().
	ipv6: avoid overflow of offset in ip6_find_1stfragopt
	ipv4: initialize fib_trie prior to register_netdev_notifier call.
	rtnetlink: allocate more memory for dev_set_mac_address()
	mcs7780: Fix initialization when CONFIG_VMAP_STACK is enabled
	openvswitch: fix potential out of bound access in parse_ct
	packet: fix use-after-free in prb_retire_rx_blk_timer_expired()
	ipv6: Don't increase IPSTATS_MIB_FRAGFAILS twice in ip6_fragment()
	net: ethernet: nb8800: Handle all 4 RGMII modes identically
	dccp: fix a memleak that dccp_ipv6 doesn't put reqsk properly
	dccp: fix a memleak that dccp_ipv4 doesn't put reqsk properly
	dccp: fix a memleak for dccp_feat_init err process
	sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}()
	sctp: fix the check for _sctp_walk_params and _sctp_walk_errors
	net/mlx5: Fix command bad flow on command entry allocation failure
	net: phy: Correctly process PHY_HALTED in phy_stop_machine()
	net: phy: Fix PHY unbind crash
	xen-netback: correctly schedule rate-limited queues
	sparc64: Measure receiver forward progress to avoid send mondo timeout
	wext: handle NULL extra data in iwe_stream_add_point better
	sh_eth: R8A7740 supports packet shecksumming
	net: phy: dp83867: fix irq generation
	tg3: Fix race condition in tg3_get_stats64().
	x86/boot: Add missing declaration of string functions
	phy state machine: failsafe leave invalid RUNNING state
	scsi: qla2xxx: Get mutex lock before checking optrom_state
	drm/virtio: fix framebuffer sparse warning
	virtio_blk: fix panic in initialization error path
	ARM: 8632/1: ftrace: fix syscall name matching
	mm, slab: make sure that KMALLOC_MAX_SIZE will fit into MAX_ORDER
	lib/Kconfig.debug: fix frv build failure
	signal: protect SIGNAL_UNKILLABLE from unintentional clearing.
	mm: don't dereference struct page fields of invalid pages
	ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
	net: account for current skb length when deciding about UFO
	workqueue: implicit ordered attribute should be overridable
	Linux 4.4.81

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

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0e6744bb2779..436c308bb1d5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -813,6 +813,16 @@ struct signal_struct {
 
 #define SIGNAL_UNKILLABLE	0x00000040 /* for init: ignore fatal signals */
 
+#define SIGNAL_STOP_MASK (SIGNAL_CLD_MASK | SIGNAL_STOP_STOPPED | \
+			  SIGNAL_STOP_CONTINUED)
+
+static inline void signal_set_stop_flags(struct signal_struct *sig,
+					 unsigned int flags)
+{
+	WARN_ON(sig->flags & (SIGNAL_GROUP_EXIT|SIGNAL_GROUP_COREDUMP));
+	sig->flags = (sig->flags & ~SIGNAL_STOP_MASK) | flags;
+}
+
 /* If true, all threads except ->group_exit_task have pending SIGKILL */
 static inline int signal_group_exit(const struct signal_struct *sig)
 {