Merge 4.4.218 into android-4.4-p

Changes in 4.4.218
	spi: qup: call spi_qup_pm_resume_runtime before suspending
	powerpc: Include .BTF section
	ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
	spi/zynqmp: remove entry that causes a cs glitch
	drm/exynos: dsi: propagate error value and silence meaningless warning
	drm/exynos: dsi: fix workaround for the legacy clock name
	altera-stapl: altera_get_note: prevent write beyond end of 'key'
	USB: Disable LPM on WD19's Realtek Hub
	usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters
	USB: serial: option: add ME910G1 ECM composition 0x110b
	usb: host: xhci-plat: add a shutdown
	USB: serial: pl2303: add device-id for HP LD381
	ALSA: line6: Fix endless MIDI read loop
	ALSA: seq: virmidi: Fix running status after receiving sysex
	ALSA: seq: oss: Fix running status after receiving sysex
	ALSA: pcm: oss: Avoid plugin buffer overflow
	ALSA: pcm: oss: Remove WARNING from snd_pcm_plug_alloc() checks
	staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
	staging/speakup: fix get_word non-space look-ahead
	intel_th: Fix user-visible error codes
	rtc: max8907: add missing select REGMAP_IRQ
	memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event
	mm: slub: be more careful about the double cmpxchg of freelist
	mm, slub: prevent kmalloc_node crashes and memory leaks
	x86/mm: split vmalloc_sync_all()
	USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL
	USB: cdc-acm: fix rounding error in TIOCSSERIAL
	kbuild: Disable -Wpointer-to-enum-cast
	futex: Fix inode life-time issue
	futex: Unbreak futex hashing
	ALSA: hda/realtek: Fix pop noise on ALC225
	arm64: smp: fix smp_send_stop() behaviour
	Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
	hsr: fix general protection fault in hsr_addr_is_self()
	net: dsa: Fix duplicate frames flooded by learning
	net_sched: cls_route: remove the right filter from hashtable
	net_sched: keep alloc_hash updated after hash allocation
	NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
	slcan: not call free_netdev before rtnl_unlock in slcan_open
	vxlan: check return value of gro_cells_init()
	hsr: use rcu_read_lock() in hsr_get_node_{list/status}()
	hsr: add restart routine into hsr_get_node_list()
	hsr: set .netnsok flag
	vhost: Check docket sk_family instead of call getname
	IB/ipoib: Do not warn if IPoIB debugfs doesn't exist
	uapi glibc compat: fix outer guard of net device flags enum
	KVM: VMX: Do not allow reexecute_instruction() when skipping MMIO instr
	drivers/hwspinlock: use correct radix tree API
	net: ipv4: don't let PMTU updates increase route MTU
	cpupower: avoid multiple definition with gcc -fno-common
	dt-bindings: net: FMan erratum A050385
	scsi: ipr: Fix softlockup when rescanning devices in petitboot
	mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
	sxgbe: Fix off by one in samsung driver strncpy size arg
	i2c: hix5hd2: add missed clk_disable_unprepare in remove
	perf probe: Do not depend on dwfl_module_addrsym()
	scripts/dtc: Remove redundant YYLOC global declaration
	scsi: sd: Fix optimal I/O size for devices that change reported values
	mac80211: mark station unauthorized before key removal
	genirq: Fix reference leaks on irq affinity notifiers
	vti[6]: fix packet tx through bpf_redirect() in XinY cases
	xfrm: fix uctx len check in verify_sec_ctx_len
	xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
	xfrm: policy: Fix doulbe free in xfrm_policy_timer
	vti6: Fix memory leak of skb if input policy check fails
	tools: Let O= makes handle a relative path with -C option
	USB: serial: option: add support for ASKEY WWHC050
	USB: serial: option: add BroadMobi BM806U
	USB: serial: option: add Wistron Neweb D19Q1
	USB: cdc-acm: restore capability check order
	USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
	usb: musb: fix crash with highmen PIO and usbmon
	media: flexcop-usb: fix endpoint sanity check
	media: usbtv: fix control-message timeouts
	staging: rtl8188eu: Add ASUS USB-N10 Nano B1 to device table
	staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
	libfs: fix infoleak in simple_attr_read()
	media: ov519: add missing endpoint sanity checks
	media: dib0700: fix rc endpoint lookup
	media: stv06xx: add missing descriptor sanity checks
	media: xirlink_cit: add missing descriptor sanity checks
	vt: selection, introduce vc_is_sel
	vt: ioctl, switch VT_IS_IN_USE and VT_BUSY to inlines
	vt: switch vt_dont_switch to bool
	vt: vt_ioctl: remove unnecessary console allocation checks
	vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
	locking/atomic, kref: Add kref_read()
	vt: vt_ioctl: fix use-after-free in vt_in_use()
	bpf: Explicitly memset the bpf_attr structure
	net: ks8851-ml: Fix IO operations, again
	perf map: Fix off by one in strncpy() size argument
	Linux 4.4.218

Change-Id: I8de6cf91805269943a4c08f8b08e6a0b8539c08e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

7 files changed, 25 insertions, 13 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2ac24d269457..4ed68f9d0da3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -679,6 +679,7 @@ struct inode {
 		struct rcu_head		i_rcu;
 	};
 	u64			i_version;
+	atomic64_t		i_sequence; /* see futex */
 	atomic_t		i_count;
 	atomic_t		i_dio_count;
 	atomic_t		i_writecount;
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 6435f46d6e13..c015fa91e7cc 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -34,23 +34,26 @@ handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi);
 
 union futex_key {
 	struct {
+		u64 i_seq;
 		unsigned long pgoff;
-		struct inode *inode;
-		int offset;
+		unsigned int offset;
 	} shared;
 	struct {
+		union {
+			struct mm_struct *mm;
+			u64 __tmp;
+		};
 		unsigned long address;
-		struct mm_struct *mm;
-		int offset;
+		unsigned int offset;
 	} private;
 	struct {
+		u64 ptr;
 		unsigned long word;
-		void *ptr;
-		int offset;
+		unsigned int offset;
 	} both;
 };
 
-#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
+#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } }
 
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);
diff --git a/include/linux/kref.h b/include/linux/kref.h
index e15828fd71f1..e2df6d397ff0 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -33,6 +33,11 @@ static inline void kref_init(struct kref *kref)
 	atomic_set(&kref->refcount, 1);
 }
 
+static inline int kref_read(const struct kref *kref)
+{
+	return atomic_read(&kref->refcount);
+}
+
 /**
  * kref_get - increment refcount for object.
  * @kref: object.
diff --git a/include/linux/selection.h b/include/linux/selection.h
index 85193aa8c1e3..ca3d9513b5ac 100644
--- a/include/linux/selection.h
+++ b/include/linux/selection.h
@@ -12,8 +12,8 @@
 
 struct tty_struct;
 
-extern struct vc_data *sel_cons;
 struct tty_struct;
+struct vc_data;
 
 extern void clear_selection(void);
 extern int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty);
@@ -22,6 +22,8 @@ extern int sel_loadlut(char __user *p);
 extern int mouse_reporting(void);
 extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
 
+bool vc_is_sel(struct vc_data *vc);
+
 extern int console_blanked;
 
 extern unsigned char color_table[];
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 3bff87a25a42..ecc63f320a54 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -92,8 +92,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
 
 extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 							unsigned long pgoff);
-void vmalloc_sync_all(void);
- 
+void vmalloc_sync_mappings(void);
+void vmalloc_sync_unmappings(void);
+
 /*
  *	Lowlevel-APIs (not for driver use!)
  */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 8d7634247fb4..c39d30db067c 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -142,7 +142,7 @@ static inline bool vt_force_oops_output(struct vc_data *vc)
 	return false;
 }
 
-extern char vt_dont_switch;
+extern bool vt_dont_switch;
 extern int default_utf8;
 extern int global_cursor_default;
 
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index 752f5dc040a5..0829d6d5e917 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -31,7 +31,7 @@
 #include <linux/hdlc/ioctl.h>
 
 /* For glibc compatibility. An empty enum does not compile. */
-#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && \
+#if __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || \
     __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0
 /**
  * enum net_device_flags - &struct net_device flags
@@ -99,7 +99,7 @@ enum net_device_flags {
 	IFF_ECHO			= 1<<18, /* volatile */
 #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */
 };
-#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 && __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */
+#endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO != 0 || __UAPI_DEF_IF_NET_DEVICE_FLAGS != 0 */
 
 /* for compatibility with glibc net/if.h */
 #if __UAPI_DEF_IF_NET_DEVICE_FLAGS