Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

126 files changed, 470 insertions, 544 deletions

diff --git a/net/802/fc.c b/net/802/fc.c
index bd345f3d29f8..b324e31401a9 100644
--- a/net/802/fc.c
+++ b/net/802/fc.c
@@ -11,7 +11,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/802/fddi.c b/net/802/fddi.c
index 94b3ad08f39a..5ab25cd4314b 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -27,7 +27,6 @@
  */
 
 #include <linux/module.h>
-#include <asm/system.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
diff --git a/net/802/hippi.c b/net/802/hippi.c
index 91aca8780fd0..056794e66375 100644
--- a/net/802/hippi.c
+++ b/net/802/hippi.c
@@ -35,7 +35,6 @@
 #include <net/arp.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 /*
  * Create the HIPPI MAC header for an arbitrary protocol layer
diff --git a/net/802/tr.c b/net/802/tr.c
index 5e20cf8a074b..b9a3a145e348 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -16,7 +16,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/9p/client.c b/net/9p/client.c
index 776618cd2be5..b23a17c431c8 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -740,10 +740,18 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 			c->status = Disconnected;
 		goto reterr;
 	}
+again:
 	/* Wait for the response */
 	err = wait_event_interruptible(*req->wq,
 				       req->status >= REQ_STATUS_RCVD);
 
+	if ((err == -ERESTARTSYS) && (c->status == Connected)
+				  && (type == P9_TFLUSH)) {
+		sigpending = 1;
+		clear_thread_flag(TIF_SIGPENDING);
+		goto again;
+	}
+
 	if (req->status == REQ_STATUS_ERROR) {
 		p9_debug(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err);
 		err = req->t_err;
@@ -1420,6 +1428,7 @@ int p9_client_clunk(struct p9_fid *fid)
 	int err;
 	struct p9_client *clnt;
 	struct p9_req_t *req;
+	int retries = 0;
 
 	if (!fid) {
 		pr_warn("%s (%d): Trying to clunk with NULL fid\n",
@@ -1428,7 +1437,9 @@ int p9_client_clunk(struct p9_fid *fid)
 		return 0;
 	}
 
-	p9_debug(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid);
+again:
+	p9_debug(P9_DEBUG_9P, ">>> TCLUNK fid %d (try %d)\n", fid->fid,
+								retries);
 	err = 0;
 	clnt = fid->clnt;
 
@@ -1444,8 +1455,14 @@ int p9_client_clunk(struct p9_fid *fid)
 error:
 	/*
 	 * Fid is not valid even after a failed clunk
+	 * If interrupted, retry once then give up and
+	 * leak fid until umount.
 	 */
-	p9_fid_destroy(fid);
+	if (err == -ERESTARTSYS) {
+		if (retries++ == 0)
+			goto again;
+	} else
+		p9_fid_destroy(fid);
 	return err;
 }
 EXPORT_SYMBOL(p9_client_clunk);
@@ -1470,7 +1487,10 @@ int p9_client_remove(struct p9_fid *fid)
 
 	p9_free_req(clnt, req);
 error:
-	p9_fid_destroy(fid);
+	if (err == -ERESTARTSYS)
+		p9_client_clunk(fid);
+	else
+		p9_fid_destroy(fid);
 	return err;
 }
 EXPORT_SYMBOL(p9_client_remove);
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 5de42ea309bc..8ae3a7879335 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -37,7 +37,6 @@
 #include <linux/param.h> /* for HZ */
 #include <linux/uaccess.h>
 #include <asm/byteorder.h> /* for htons etc. */
-#include <asm/system.h> /* save/restore_flags */
 #include <linux/atomic.h>
 
 #include "common.h"
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 3cd0a0dc91cb..0906c194a413 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -33,7 +33,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>	/* For TIOCINQ/OUTQ */
 #include <linux/mm.h>
diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c
index 7e7964dd987b..9162409559cf 100644
--- a/net/ax25/ax25_addr.c
+++ b/net/ax25/ax25_addr.c
@@ -22,7 +22,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c
index c1cb982f6e86..d0de30e89591 100644
--- a/net/ax25/ax25_dev.c
+++ b/net/ax25/ax25_dev.c
@@ -24,7 +24,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_ds_in.c b/net/ax25/ax25_ds_in.c
index 8273b1200eee..9bd31e88aeca 100644
--- a/net/ax25/ax25_ds_in.c
+++ b/net/ax25/ax25_ds_in.c
@@ -23,7 +23,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_ds_subr.c b/net/ax25/ax25_ds_subr.c
index 85816e612dc0..5ea7fd3e2af9 100644
--- a/net/ax25/ax25_ds_subr.c
+++ b/net/ax25/ax25_ds_subr.c
@@ -24,7 +24,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c
index c7d81436213d..993c439b4f71 100644
--- a/net/ax25/ax25_ds_timer.c
+++ b/net/ax25/ax25_ds_timer.c
@@ -25,7 +25,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_iface.c b/net/ax25/ax25_iface.c
index 60b545e2822a..7d5f24b82cc8 100644
--- a/net/ax25/ax25_iface.c
+++ b/net/ax25/ax25_iface.c
@@ -24,7 +24,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 9bb776541203..96f4cab3a2f9 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -27,7 +27,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c
index cf0c47a26530..846ae4e2b115 100644
--- a/net/ax25/ax25_ip.c
+++ b/net/ax25/ax25_ip.c
@@ -24,7 +24,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>	/* For TIOCINQ/OUTQ */
 #include <linux/mm.h>
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index 37507d806f65..be8a25e0db65 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -27,7 +27,6 @@
 #include <linux/netfilter.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 87fddab22e0f..a65588040b9e 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -32,7 +32,6 @@
 #include <linux/spinlock.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_std_in.c b/net/ax25/ax25_std_in.c
index a8eef88d8652..3fbf8f7b2cf4 100644
--- a/net/ax25/ax25_std_in.c
+++ b/net/ax25/ax25_std_in.c
@@ -30,7 +30,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_std_subr.c b/net/ax25/ax25_std_subr.c
index 277f81bb979a..8b66a41e538f 100644
--- a/net/ax25/ax25_std_subr.c
+++ b/net/ax25/ax25_std_subr.c
@@ -21,7 +21,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index 96e4b9273250..004467c9e6e1 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -25,7 +25,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index c6715ee4ab8f..1997538a5d23 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -26,7 +26,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_timer.c b/net/ax25/ax25_timer.c
index db29ea71e80a..c3cffa79bafb 100644
--- a/net/ax25/ax25_timer.c
+++ b/net/ax25/ax25_timer.c
@@ -29,7 +29,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 4c83137b5954..e3c579ba6325 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -26,7 +26,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 9f9c8dcd8af0..180bfc45810d 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -42,7 +42,6 @@
 #include <linux/uaccess.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 
 #include "bnep.h"
 
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 1230faaac29b..311668d14571 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -39,7 +39,6 @@
 
 #include <linux/isdn/capilli.h>
 
-#include <asm/system.h>
 
 #include "cmtp.h"
 
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 947172bf1621..5238b6b3ea6a 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -37,7 +37,6 @@
 #include <linux/interrupt.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 59ec99eb739b..e33af63a884a 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -45,7 +45,6 @@
 #include <linux/crypto.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index badb7851d116..b37531094c49 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -37,7 +37,6 @@
 #include <linux/interrupt.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 63afd234283e..5914623f426a 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -42,7 +42,6 @@
 #include <linux/ioctl.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
@@ -734,7 +733,8 @@ static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_
 		data = &tv;
 		len = sizeof(tv);
 #ifdef CONFIG_COMPAT
-		if (msg->msg_flags & MSG_CMSG_COMPAT) {
+		if (!COMPAT_USE_64BIT_TIME &&
+		    (msg->msg_flags & MSG_CMSG_COMPAT)) {
 			ctv.tv_sec = tv.tv_sec;
 			ctv.tv_usec = tv.tv_usec;
 			data = &ctv;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3e450f4a3125..b8e17e4dac8b 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -49,7 +49,6 @@
 #include <linux/crc16.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 22169c3f1482..a55a43e9f70e 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -45,7 +45,6 @@
 #include <linux/security.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 
 #include <net/bluetooth/bluetooth.h>
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 8bf26d1bc5c1..f6ab12907963 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -44,7 +44,6 @@
 #include <linux/security.h>
 #include <net/sock.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 
 #include <net/bluetooth/bluetooth.h>
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 761ad9d6cc3b..cc913193d992 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -201,7 +201,9 @@ enum {
 	Opt_ip,
 	Opt_last_string,
 	/* string args above */
+	Opt_share,
 	Opt_noshare,
+	Opt_crc,
 	Opt_nocrc,
 };
 
@@ -217,7 +219,9 @@ static match_table_t opt_tokens = {
 	{Opt_key, "key=%s"},
 	{Opt_ip, "ip=%s"},
 	/* string args above */
+	{Opt_share, "share"},
 	{Opt_noshare, "noshare"},
+	{Opt_crc, "crc"},
 	{Opt_nocrc, "nocrc"},
 	{-1, NULL}
 };
@@ -277,10 +281,11 @@ out:
 	return err;
 }
 
-int ceph_parse_options(struct ceph_options **popt, char *options,
-		       const char *dev_name, const char *dev_name_end,
-		       int (*parse_extra_token)(char *c, void *private),
-		       void *private)
+struct ceph_options *
+ceph_parse_options(char *options, const char *dev_name,
+			const char *dev_name_end,
+			int (*parse_extra_token)(char *c, void *private),
+			void *private)
 {
 	struct ceph_options *opt;
 	const char *c;
@@ -289,7 +294,7 @@ int ceph_parse_options(struct ceph_options **popt, char *options,
 
 	opt = kzalloc(sizeof(*opt), GFP_KERNEL);
 	if (!opt)
-		return err;
+		return ERR_PTR(-ENOMEM);
 	opt->mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*opt->mon_addr),
 				GFP_KERNEL);
 	if (!opt->mon_addr)
@@ -398,10 +403,16 @@ int ceph_parse_options(struct ceph_options **popt, char *options,
 			opt->mount_timeout = intval;
 			break;
 
+		case Opt_share:
+			opt->flags &= ~CEPH_OPT_NOSHARE;
+			break;
 		case Opt_noshare:
 			opt->flags |= CEPH_OPT_NOSHARE;
 			break;
 
+		case Opt_crc:
+			opt->flags &= ~CEPH_OPT_NOCRC;
+			break;
 		case Opt_nocrc:
 			opt->flags |= CEPH_OPT_NOCRC;
 			break;
@@ -412,12 +423,11 @@ int ceph_parse_options(struct ceph_options **popt, char *options,
 	}
 
 	/* success */
-	*popt = opt;
-	return 0;
+	return opt;
 
 out:
 	ceph_destroy_options(opt);
-	return err;
+	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(ceph_parse_options);
 
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index ad5b70801f37..f0993af2ae4d 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -38,48 +38,54 @@ static char tag_keepalive = CEPH_MSGR_TAG_KEEPALIVE;
 static struct lock_class_key socket_class;
 #endif
 
+/*
+ * When skipping (ignoring) a block of input we read it into a "skip
+ * buffer," which is this many bytes in size.
+ */
+#define SKIP_BUF_SIZE	1024
 
 static void queue_con(struct ceph_connection *con);
 static void con_work(struct work_struct *);
 static void ceph_fault(struct ceph_connection *con);
 
 /*
- * nicely render a sockaddr as a string.
+ * Nicely render a sockaddr as a string.  An array of formatted
+ * strings is used, to approximate reentrancy.
  */
-#define MAX_ADDR_STR 20
-#define MAX_ADDR_STR_LEN 60
-static char addr_str[MAX_ADDR_STR][MAX_ADDR_STR_LEN];
-static DEFINE_SPINLOCK(addr_str_lock);
-static int last_addr_str;
+#define ADDR_STR_COUNT_LOG	5	/* log2(# address strings in array) */
+#define ADDR_STR_COUNT		(1 << ADDR_STR_COUNT_LOG)
+#define ADDR_STR_COUNT_MASK	(ADDR_STR_COUNT - 1)
+#define MAX_ADDR_STR_LEN	64	/* 54 is enough */
+
+static char addr_str[ADDR_STR_COUNT][MAX_ADDR_STR_LEN];
+static atomic_t addr_str_seq = ATOMIC_INIT(0);
+
+static struct page *zero_page;		/* used in certain error cases */
 
 const char *ceph_pr_addr(const struct sockaddr_storage *ss)
 {
 	int i;
 	char *s;
-	struct sockaddr_in *in4 = (void *)ss;
-	struct sockaddr_in6 *in6 = (void *)ss;
-
-	spin_lock(&addr_str_lock);
-	i = last_addr_str++;
-	if (last_addr_str == MAX_ADDR_STR)
-		last_addr_str = 0;
-	spin_unlock(&addr_str_lock);
+	struct sockaddr_in *in4 = (struct sockaddr_in *) ss;
+	struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) ss;
+
+	i = atomic_inc_return(&addr_str_seq) & ADDR_STR_COUNT_MASK;
 	s = addr_str[i];
 
 	switch (ss->ss_family) {
 	case AF_INET:
-		snprintf(s, MAX_ADDR_STR_LEN, "%pI4:%u", &in4->sin_addr,
-			 (unsigned int)ntohs(in4->sin_port));
+		snprintf(s, MAX_ADDR_STR_LEN, "%pI4:%hu", &in4->sin_addr,
+			 ntohs(in4->sin_port));
 		break;
 
 	case AF_INET6:
-		snprintf(s, MAX_ADDR_STR_LEN, "[%pI6c]:%u", &in6->sin6_addr,
-			 (unsigned int)ntohs(in6->sin6_port));
+		snprintf(s, MAX_ADDR_STR_LEN, "[%pI6c]:%hu", &in6->sin6_addr,
+			 ntohs(in6->sin6_port));
 		break;
 
 	default:
-		snprintf(s, MAX_ADDR_STR_LEN, "(unknown sockaddr family %d)",
-			 (int)ss->ss_family);
+		snprintf(s, MAX_ADDR_STR_LEN, "(unknown sockaddr family %hu)",
+			 ss->ss_family);
 	}
 
 	return s;
@@ -95,22 +101,43 @@ static void encode_my_addr(struct ceph_messenger *msgr)
 /*
  * work queue for all reading and writing to/from the socket.
  */
-struct workqueue_struct *ceph_msgr_wq;
+static struct workqueue_struct *ceph_msgr_wq;
+
+void _ceph_msgr_exit(void)
+{
+	if (ceph_msgr_wq) {
+		destroy_workqueue(ceph_msgr_wq);
+		ceph_msgr_wq = NULL;
+	}
+
+	BUG_ON(zero_page == NULL);
+	kunmap(zero_page);
+	page_cache_release(zero_page);
+	zero_page = NULL;
+}
 
 int ceph_msgr_init(void)
 {
+	BUG_ON(zero_page != NULL);
+	zero_page = ZERO_PAGE(0);
+	page_cache_get(zero_page);
+
 	ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_NON_REENTRANT, 0);
-	if (!ceph_msgr_wq) {
-		pr_err("msgr_init failed to create workqueue\n");
-		return -ENOMEM;
-	}
-	return 0;
+	if (ceph_msgr_wq)
+		return 0;
+
+	pr_err("msgr_init failed to create workqueue\n");
+	_ceph_msgr_exit();
+
+	return -ENOMEM;
 }
 EXPORT_SYMBOL(ceph_msgr_init);
 
 void ceph_msgr_exit(void)
 {
-	destroy_workqueue(ceph_msgr_wq);
+	BUG_ON(ceph_msgr_wq == NULL);
+
+	_ceph_msgr_exit();
 }
 EXPORT_SYMBOL(ceph_msgr_exit);
 
@@ -128,8 +155,8 @@ EXPORT_SYMBOL(ceph_msgr_flush);
 /* data available on socket, or listen socket received a connect */
 static void ceph_data_ready(struct sock *sk, int count_unused)
 {
-	struct ceph_connection *con =
-		(struct ceph_connection *)sk->sk_user_data;
+	struct ceph_connection *con = sk->sk_user_data;
+
 	if (sk->sk_state != TCP_CLOSE_WAIT) {
 		dout("ceph_data_ready on %p state = %lu, queueing work\n",
 		     con, con->state);
@@ -140,26 +167,30 @@ static void ceph_data_ready(struct sock *sk, int count_unused)
 /* socket has buffer space for writing */
 static void ceph_write_space(struct sock *sk)
 {
-	struct ceph_connection *con =
-		(struct ceph_connection *)sk->sk_user_data;
+	struct ceph_connection *con = sk->sk_user_data;
 
-	/* only queue to workqueue if there is data we want to write. */
+	/* only queue to workqueue if there is data we want to write,
+	 * and there is sufficient space in the socket buffer to accept
+	 * more data.  clear SOCK_NOSPACE so that ceph_write_space()
+	 * doesn't get called again until try_write() fills the socket
+	 * buffer. See net/ipv4/tcp_input.c:tcp_check_space()
+	 * and net/core/stream.c:sk_stream_write_space().
+	 */
 	if (test_bit(WRITE_PENDING, &con->state)) {
-		dout("ceph_write_space %p queueing write work\n", con);
-		queue_con(con);
+		if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk)) {
+			dout("ceph_write_space %p queueing write work\n", con);
+			clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+			queue_con(con);
+		}
 	} else {
 		dout("ceph_write_space %p nothing to write\n", con);
 	}
-
-	/* since we have our own write_space, clear the SOCK_NOSPACE flag */
-	clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
 }
 
 /* socket's state has changed */
 static void ceph_state_change(struct sock *sk)
 {
-	struct ceph_connection *con =
-		(struct ceph_connection *)sk->sk_user_data;
+	struct ceph_connection *con = sk->sk_user_data;
 
 	dout("ceph_state_change %p state = %lu sk_state = %u\n",
 	     con, con->state, sk->sk_state);
@@ -184,6 +215,8 @@ static void ceph_state_change(struct sock *sk)
 		dout("ceph_state_change TCP_ESTABLISHED\n");
 		queue_con(con);
 		break;
+	default:	/* Everything else is uninteresting */
+		break;
 	}
 }
 
@@ -194,7 +227,7 @@ static void set_sock_callbacks(struct socket *sock,
 			       struct ceph_connection *con)
 {
 	struct sock *sk = sock->sk;
-	sk->sk_user_data = (void *)con;
+	sk->sk_user_data = con;
 	sk->sk_data_ready = ceph_data_ready;
 	sk->sk_write_space = ceph_write_space;
 	sk->sk_state_change = ceph_state_change;
@@ -208,7 +241,7 @@ static void set_sock_callbacks(struct socket *sock,
 /*
  * initiate connection to a remote socket.
  */
-static struct socket *ceph_tcp_connect(struct ceph_connection *con)
+static int ceph_tcp_connect(struct ceph_connection *con)
 {
 	struct sockaddr_storage *paddr = &con->peer_addr.in_addr;
 	struct socket *sock;
@@ -218,8 +251,7 @@ static struct socket *ceph_tcp_connect(struct ceph_connection *con)
 	ret = sock_create_kern(con->peer_addr.in_addr.ss_family, SOCK_STREAM,
 			       IPPROTO_TCP, &sock);
 	if (ret)
-		return ERR_PTR(ret);
-	con->sock = sock;
+		return ret;
 	sock->sk->sk_allocation = GFP_NOFS;
 
 #ifdef CONFIG_LOCKDEP
@@ -236,19 +268,17 @@ static struct socket *ceph_tcp_connect(struct ceph_connection *con)
 		dout("connect %s EINPROGRESS sk_state = %u\n",
 		     ceph_pr_addr(&con->peer_addr.in_addr),
 		     sock->sk->sk_state);
-		ret = 0;
-	}
-	if (ret < 0) {
+	} else if (ret < 0) {
 		pr_err("connect %s error %d\n",
 		       ceph_pr_addr(&con->peer_addr.in_addr), ret);
 		sock_release(sock);
-		con->sock = NULL;
 		con->error_msg = "connect error";
+
+		return ret;
 	}
+	con->sock = sock;
 
-	if (ret < 0)
-		return ERR_PTR(ret);
-	return sock;
+	return 0;
 }
 
 static int ceph_tcp_recvmsg(struct socket *sock, void *buf, size_t len)
@@ -284,6 +314,19 @@ static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov,
 	return r;
 }
 
+static int ceph_tcp_sendpage(struct socket *sock, struct page *page,
+		     int offset, size_t size, int more)
+{
+	int flags = MSG_DONTWAIT | MSG_NOSIGNAL | (more ? MSG_MORE : MSG_EOR);
+	int ret;
+
+	ret = kernel_sendpage(sock, page, offset, size, flags);
+	if (ret == -EAGAIN)
+		ret = 0;
+
+	return ret;
+}
+
 
 /*
  * Shutdown/close the socket for the given connection.
@@ -391,22 +434,23 @@ bool ceph_con_opened(struct ceph_connection *con)
  */
 struct ceph_connection *ceph_con_get(struct ceph_connection *con)
 {
-	dout("con_get %p nref = %d -> %d\n", con,
-	     atomic_read(&con->nref), atomic_read(&con->nref) + 1);
-	if (atomic_inc_not_zero(&con->nref))
-		return con;
-	return NULL;
+	int nref = __atomic_add_unless(&con->nref, 1, 0);
+
+	dout("con_get %p nref = %d -> %d\n", con, nref, nref + 1);
+
+	return nref ? con : NULL;
 }
 
 void ceph_con_put(struct ceph_connection *con)
 {
-	dout("con_put %p nref = %d -> %d\n", con,
-	     atomic_read(&con->nref), atomic_read(&con->nref) - 1);
-	BUG_ON(atomic_read(&con->nref) == 0);
-	if (atomic_dec_and_test(&con->nref)) {
+	int nref = atomic_dec_return(&con->nref);
+
+	BUG_ON(nref < 0);
+	if (nref == 0) {
 		BUG_ON(con->sock);
 		kfree(con);
 	}
+	dout("con_put %p nref = %d -> %d\n", con, nref + 1, nref);
 }
 
 /*
@@ -442,14 +486,35 @@ static u32 get_global_seq(struct ceph_messenger *msgr, u32 gt)
 	return ret;
 }
 
+static void ceph_con_out_kvec_reset(struct ceph_connection *con)
+{
+	con->out_kvec_left = 0;
+	con->out_kvec_bytes = 0;
+	con->out_kvec_cur = &con->out_kvec[0];
+}
+
+static void ceph_con_out_kvec_add(struct ceph_connection *con,
+				size_t size, void *data)
+{
+	int index;
+
+	index = con->out_kvec_left;
+	BUG_ON(index >= ARRAY_SIZE(con->out_kvec));
+
+	con->out_kvec[index].iov_len = size;
+	con->out_kvec[index].iov_base = data;
+	con->out_kvec_left++;
+	con->out_kvec_bytes += size;
+}
 
 /*
  * Prepare footer for currently outgoing message, and finish things
  * off.  Assumes out_kvec* are already valid.. we just add on to the end.
  */
-static void prepare_write_message_footer(struct ceph_connection *con, int v)
+static void prepare_write_message_footer(struct ceph_connection *con)
 {
 	struct ceph_msg *m = con->out_msg;
+	int v = con->out_kvec_left;
 
 	dout("prepare_write_message_footer %p\n", con);
 	con->out_kvec_is_msg = true;
@@ -467,9 +532,9 @@ static void prepare_write_message_footer(struct ceph_connection *con, int v)
 static void prepare_write_message(struct ceph_connection *con)
 {
 	struct ceph_msg *m;
-	int v = 0;
+	u32 crc;
 
-	con->out_kvec_bytes = 0;
+	ceph_con_out_kvec_reset(con);
 	con->out_kvec_is_msg = true;
 	con->out_msg_done = false;
 
@@ -477,16 +542,13 @@ static void prepare_write_message(struct ceph_connection *con)
 	 * TCP packet that's a good thing. */
 	if (con->in_seq > con->in_seq_acked) {
 		con->in_seq_acked = con->in_seq;
-		con->out_kvec[v].iov_base = &tag_ack;
-		con->out_kvec[v++].iov_len = 1;
+		ceph_con_out_kvec_add(con, sizeof (tag_ack), &tag_ack);
 		con->out_temp_ack = cpu_to_le64(con->in_seq_acked);
-		con->out_kvec[v].iov_base = &con->out_temp_ack;
-		con->out_kvec[v++].iov_len = sizeof(con->out_temp_ack);
-		con->out_kvec_bytes = 1 + sizeof(con->out_temp_ack);
+		ceph_con_out_kvec_add(con, sizeof (con->out_temp_ack),
+			&con->out_temp_ack);
 	}
 
-	m = list_first_entry(&con->out_queue,
-		       struct ceph_msg, list_head);
+	m = list_first_entry(&con->out_queue, struct ceph_msg, list_head);
 	con->out_msg = m;
 
 	/* put message on sent list */
@@ -510,30 +572,26 @@ static void prepare_write_message(struct ceph_connection *con)
 	BUG_ON(le32_to_cpu(m->hdr.front_len) != m->front.iov_len);
 
 	/* tag + hdr + front + middle */
-	con->out_kvec[v].iov_base = &tag_msg;
-	con->out_kvec[v++].iov_len = 1;
-	con->out_kvec[v].iov_base = &m->hdr;
-	con->out_kvec[v++].iov_len = sizeof(m->hdr);
-	con->out_kvec[v++] = m->front;
+	ceph_con_out_kvec_add(con, sizeof (tag_msg), &tag_msg);
+	ceph_con_out_kvec_add(con, sizeof (m->hdr), &m->hdr);
+	ceph_con_out_kvec_add(con, m->front.iov_len, m->front.iov_base);
+
 	if (m->middle)
-		con->out_kvec[v++] = m->middle->vec;
-	con->out_kvec_left = v;
-	con->out_kvec_bytes += 1 + sizeof(m->hdr) + m->front.iov_len +
-		(m->middle ? m->middle->vec.iov_len : 0);
-	con->out_kvec_cur = con->out_kvec;
+		ceph_con_out_kvec_add(con, m->middle->vec.iov_len,
+			m->middle->vec.iov_base);
 
 	/* fill in crc (except data pages), footer */
-	con->out_msg->hdr.crc =
-		cpu_to_le32(crc32c(0, (void *)&m->hdr,
-				      sizeof(m->hdr) - sizeof(m->hdr.crc)));
+	crc = crc32c(0, &m->hdr, offsetof(struct ceph_msg_header, crc));
+	con->out_msg->hdr.crc = cpu_to_le32(crc);
 	con->out_msg->footer.flags = CEPH_MSG_FOOTER_COMPLETE;
-	con->out_msg->footer.front_crc =
-		cpu_to_le32(crc32c(0, m->front.iov_base, m->front.iov_len));
-	if (m->middle)
-		con->out_msg->footer.middle_crc =
-			cpu_to_le32(crc32c(0, m->middle->vec.iov_base,
-					   m->middle->vec.iov_len));
-	else
+
+	crc = crc32c(0, m->front.iov_base, m->front.iov_len);
+	con->out_msg->footer.front_crc = cpu_to_le32(crc);
+	if (m->middle) {
+		crc = crc32c(0, m->middle->vec.iov_base,
+				m->middle->vec.iov_len);
+		con->out_msg->footer.middle_crc = cpu_to_le32(crc);
+	} else
 		con->out_msg->footer.middle_crc = 0;
 	con->out_msg->footer.data_crc = 0;
 	dout("prepare_write_message front_crc %u data_crc %u\n",
@@ -549,11 +607,11 @@ static void prepare_write_message(struct ceph_connection *con)
 		else
 			con->out_msg_pos.page_pos = 0;
 		con->out_msg_pos.data_pos = 0;
-		con->out_msg_pos.did_page_crc = 0;
+		con->out_msg_pos.did_page_crc = false;
 		con->out_more = 1;  /* data + footer will follow */
 	} else {
 		/* no, queue up footer too and be done */
-		prepare_write_message_footer(con, v);
+		prepare_write_message_footer(con);
 	}
 
 	set_bit(WRITE_PENDING, &con->state);
@@ -568,14 +626,14 @@ static void prepare_write_ack(struct ceph_connection *con)
 	     con->in_seq_acked, con->in_seq);
 	con->in_seq_acked = con->in_seq;
 
-	con->out_kvec[0].iov_base = &tag_ack;
-	con->out_kvec[0].iov_len = 1;
+	ceph_con_out_kvec_reset(con);
+
+	ceph_con_out_kvec_add(con, sizeof (tag_ack), &tag_ack);
+
 	con->out_temp_ack = cpu_to_le64(con->in_seq_acked);
-	con->out_kvec[1].iov_base = &con->out_temp_ack;
-	con->out_kvec[1].iov_len = sizeof(con->out_temp_ack);
-	con->out_kvec_left = 2;
-	con->out_kvec_bytes = 1 + sizeof(con->out_temp_ack);
-	con->out_kvec_cur = con->out_kvec;
+	ceph_con_out_kvec_add(con, sizeof (con->out_temp_ack),
+				&con->out_temp_ack);
+
 	con->out_more = 1;  /* more will follow.. eventually.. */
 	set_bit(WRITE_PENDING, &con->state);
 }
@@ -586,11 +644,8 @@ static void prepare_write_ack(struct ceph_connection *con)
 static void prepare_write_keepalive(struct ceph_connection *con)
 {
 	dout("prepare_write_keepalive %p\n", con);
-	con->out_kvec[0].iov_base = &tag_keepalive;
-	con->out_kvec[0].iov_len = 1;
-	con->out_kvec_left = 1;
-	con->out_kvec_bytes = 1;
-	con->out_kvec_cur = con->out_kvec;
+	ceph_con_out_kvec_reset(con);
+	ceph_con_out_kvec_add(con, sizeof (tag_keepalive), &tag_keepalive);
 	set_bit(WRITE_PENDING, &con->state);
 }
 
@@ -619,12 +674,9 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
 	con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
 	con->out_connect.authorizer_len = cpu_to_le32(auth_len);
 
-	if (auth_len) {
-		con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
-		con->out_kvec[con->out_kvec_left].iov_len = auth_len;
-		con->out_kvec_left++;
-		con->out_kvec_bytes += auth_len;
-	}
+	if (auth_len)
+		ceph_con_out_kvec_add(con, auth_len, auth_buf);
+
 	return 0;
 }
 
@@ -634,22 +686,18 @@ static int prepare_connect_authorizer(struct ceph_connection *con)
 static void prepare_write_banner(struct ceph_messenger *msgr,
 				 struct ceph_connection *con)
 {
-	int len = strlen(CEPH_BANNER);
+	ceph_con_out_kvec_reset(con);
+	ceph_con_out_kvec_add(con, strlen(CEPH_BANNER), CEPH_BANNER);
+	ceph_con_out_kvec_add(con, sizeof (msgr->my_enc_addr),
+					&msgr->my_enc_addr);
 
-	con->out_kvec[0].iov_base = CEPH_BANNER;
-	con->out_kvec[0].iov_len = len;
-	con->out_kvec[1].iov_base = &msgr->my_enc_addr;
-	con->out_kvec[1].iov_len = sizeof(msgr->my_enc_addr);
-	con->out_kvec_left = 2;
-	con->out_kvec_bytes = len + sizeof(msgr->my_enc_addr);
-	con->out_kvec_cur = con->out_kvec;
 	con->out_more = 0;
 	set_bit(WRITE_PENDING, &con->state);
 }
 
 static int prepare_write_connect(struct ceph_messenger *msgr,
 				 struct ceph_connection *con,
-				 int after_banner)
+				 int include_banner)
 {
 	unsigned global_seq = get_global_seq(con->msgr, 0);
 	int proto;
@@ -678,22 +726,18 @@ static int prepare_write_connect(struct ceph_messenger *msgr,
 	con->out_connect.protocol_version = cpu_to_le32(proto);
 	con->out_connect.flags = 0;
 
-	if (!after_banner) {
-		con->out_kvec_left = 0;
-		con->out_kvec_bytes = 0;
-	}
-	con->out_kvec[con->out_kvec_left].iov_base = &con->out_connect;
-	con->out_kvec[con->out_kvec_left].iov_len = sizeof(con->out_connect);
-	con->out_kvec_left++;
-	con->out_kvec_bytes += sizeof(con->out_connect);
-	con->out_kvec_cur = con->out_kvec;
+	if (include_banner)
+		prepare_write_banner(msgr, con);
+	else
+		ceph_con_out_kvec_reset(con);
+	ceph_con_out_kvec_add(con, sizeof (con->out_connect), &con->out_connect);
+
 	con->out_more = 0;
 	set_bit(WRITE_PENDING, &con->state);
 
 	return prepare_connect_authorizer(con);
 }
 
-
 /*
  * write as much of pending kvecs to the socket as we can.
  *  1 -> done
@@ -714,17 +758,18 @@ static int write_partial_kvec(struct ceph_connection *con)
 		con->out_kvec_bytes -= ret;
 		if (con->out_kvec_bytes == 0)
 			break;            /* done */
-		while (ret > 0) {
-			if (ret >= con->out_kvec_cur->iov_len) {
-				ret -= con->out_kvec_cur->iov_len;
-				con->out_kvec_cur++;
-				con->out_kvec_left--;
-			} else {
-				con->out_kvec_cur->iov_len -= ret;
-				con->out_kvec_cur->iov_base += ret;
-				ret = 0;
-				break;
-			}
+
+		/* account for full iov entries consumed */
+		while (ret >= con->out_kvec_cur->iov_len) {
+			BUG_ON(!con->out_kvec_left);
+			ret -= con->out_kvec_cur->iov_len;
+			con->out_kvec_cur++;
+			con->out_kvec_left--;
+		}
+		/* and for a partially-consumed entry */
+		if (ret) {
+			con->out_kvec_cur->iov_len -= ret;
+			con->out_kvec_cur->iov_base += ret;
 		}
 	}
 	con->out_kvec_left = 0;
@@ -773,7 +818,7 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 	struct ceph_msg *msg = con->out_msg;
 	unsigned data_len = le32_to_cpu(msg->hdr.data_len);
 	size_t len;
-	int crc = con->msgr->nocrc;
+	bool do_datacrc = !con->msgr->nocrc;
 	int ret;
 	int total_max_write;
 	int in_trail = 0;
@@ -790,9 +835,8 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 
 	while (data_len > con->out_msg_pos.data_pos) {
 		struct page *page = NULL;
-		void *kaddr = NULL;
 		int max_write = PAGE_SIZE;
-		int page_shift = 0;
+		int bio_offset = 0;
 
 		total_max_write = data_len - trail_len -
 			con->out_msg_pos.data_pos;
@@ -811,58 +855,47 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 
 			page = list_first_entry(&msg->trail->head,
 						struct page, lru);
-			if (crc)
-				kaddr = kmap(page);
 			max_write = PAGE_SIZE;
 		} else if (msg->pages) {
 			page = msg->pages[con->out_msg_pos.page];
-			if (crc)
-				kaddr = kmap(page);
 		} else if (msg->pagelist) {
 			page = list_first_entry(&msg->pagelist->head,
 						struct page, lru);
-			if (crc)
-				kaddr = kmap(page);
 #ifdef CONFIG_BLOCK
 		} else if (msg->bio) {
 			struct bio_vec *bv;
 
 			bv = bio_iovec_idx(msg->bio_iter, msg->bio_seg);
 			page = bv->bv_page;
-			page_shift = bv->bv_offset;
-			if (crc)
-				kaddr = kmap(page) + page_shift;
+			bio_offset = bv->bv_offset;
 			max_write = bv->bv_len;
 #endif
 		} else {
-			page = con->msgr->zero_page;
-			if (crc)
-				kaddr = page_address(con->msgr->zero_page);
+			page = zero_page;
 		}
 		len = min_t(int, max_write - con->out_msg_pos.page_pos,
 			    total_max_write);
 
-		if (crc && !con->out_msg_pos.did_page_crc) {
-			void *base = kaddr + con->out_msg_pos.page_pos;
+		if (do_datacrc && !con->out_msg_pos.did_page_crc) {
+			void *base;
+			u32 crc;
 			u32 tmpcrc = le32_to_cpu(con->out_msg->footer.data_crc);
+			char *kaddr;
 
+			kaddr = kmap(page);
 			BUG_ON(kaddr == NULL);
-			con->out_msg->footer.data_crc =
-				cpu_to_le32(crc32c(tmpcrc, base, len));
-			con->out_msg_pos.did_page_crc = 1;
+			base = kaddr + con->out_msg_pos.page_pos + bio_offset;
+			crc = crc32c(tmpcrc, base, len);
+			con->out_msg->footer.data_crc = cpu_to_le32(crc);
+			con->out_msg_pos.did_page_crc = true;
 		}
-		ret = kernel_sendpage(con->sock, page,
-				      con->out_msg_pos.page_pos + page_shift,
-				      len,
-				      MSG_DONTWAIT | MSG_NOSIGNAL |
-				      MSG_MORE);
-
-		if (crc &&
-		    (msg->pages || msg->pagelist || msg->bio || in_trail))
+		ret = ceph_tcp_sendpage(con->sock, page,
+				      con->out_msg_pos.page_pos + bio_offset,
+				      len, 1);
+
+		if (do_datacrc)
 			kunmap(page);
 
-		if (ret == -EAGAIN)
-			ret = 0;
 		if (ret <= 0)
 			goto out;
 
@@ -871,7 +904,7 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 		if (ret == len) {
 			con->out_msg_pos.page_pos = 0;
 			con->out_msg_pos.page++;
-			con->out_msg_pos.did_page_crc = 0;
+			con->out_msg_pos.did_page_crc = false;
 			if (in_trail)
 				list_move_tail(&page->lru,
 					       &msg->trail->head);
@@ -888,12 +921,10 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 	dout("write_partial_msg_pages %p msg %p done\n", con, msg);
 
 	/* prepare and queue up footer, too */
-	if (!crc)
+	if (!do_datacrc)
 		con->out_msg->footer.flags |= CEPH_MSG_FOOTER_NOCRC;
-	con->out_kvec_bytes = 0;
-	con->out_kvec_left = 0;
-	con->out_kvec_cur = con->out_kvec;
-	prepare_write_message_footer(con, 0);
+	ceph_con_out_kvec_reset(con);
+	prepare_write_message_footer(con);
 	ret = 1;
 out:
 	return ret;
@@ -907,12 +938,9 @@ static int write_partial_skip(struct ceph_connection *con)
 	int ret;
 
 	while (con->out_skip > 0) {
-		struct kvec iov = {
-			.iov_base = page_address(con->msgr->zero_page),
-			.iov_len = min(con->out_skip, (int)PAGE_CACHE_SIZE)
-		};
+		size_t size = min(con->out_skip, (int) PAGE_CACHE_SIZE);
 
-		ret = ceph_tcp_sendmsg(con->sock, &iov, 1, iov.iov_len, 1);
+		ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, 1);
 		if (ret <= 0)
 			goto out;
 		con->out_skip -= ret;
@@ -1085,8 +1113,8 @@ static void addr_set_port(struct sockaddr_storage *ss, int p)
 static int ceph_pton(const char *str, size_t len, struct sockaddr_storage *ss,
 		char delim, const char **ipend)
 {
-	struct sockaddr_in *in4 = (void *)ss;
-	struct sockaddr_in6 *in6 = (void *)ss;
+	struct sockaddr_in *in4 = (struct sockaddr_in *) ss;
+	struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) ss;
 
 	memset(ss, 0, sizeof(*ss));
 
@@ -1512,10 +1540,9 @@ static int read_partial_message_section(struct ceph_connection *con,
 		if (ret <= 0)
 			return ret;
 		section->iov_len += ret;
-		if (section->iov_len == sec_len)
-			*crc = crc32c(0, section->iov_base,
-				      section->iov_len);
 	}
+	if (section->iov_len == sec_len)
+		*crc = crc32c(0, section->iov_base, section->iov_len);
 
 	return 1;
 }
@@ -1527,7 +1554,7 @@ static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
 
 static int read_partial_message_pages(struct ceph_connection *con,
 				      struct page **pages,
-				      unsigned data_len, int datacrc)
+				      unsigned data_len, bool do_datacrc)
 {
 	void *p;
 	int ret;
@@ -1540,7 +1567,7 @@ static int read_partial_message_pages(struct ceph_connection *con,
 	p = kmap(pages[con->in_msg_pos.page]);
 	ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos,
 			       left);
-	if (ret > 0 && datacrc)
+	if (ret > 0 && do_datacrc)
 		con->in_data_crc =
 			crc32c(con->in_data_crc,
 				  p + con->in_msg_pos.page_pos, ret);
@@ -1560,7 +1587,7 @@ static int read_partial_message_pages(struct ceph_connection *con,
 #ifdef CONFIG_BLOCK
 static int read_partial_message_bio(struct ceph_connection *con,
 				    struct bio **bio_iter, int *bio_seg,
-				    unsigned data_len, int datacrc)
+				    unsigned data_len, bool do_datacrc)
 {
 	struct bio_vec *bv = bio_iovec_idx(*bio_iter, *bio_seg);
 	void *p;
@@ -1576,7 +1603,7 @@ static int read_partial_message_bio(struct ceph_connection *con,
 
 	ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos,
 			       left);
-	if (ret > 0 && datacrc)
+	if (ret > 0 && do_datacrc)
 		con->in_data_crc =
 			crc32c(con->in_data_crc,
 				  p + con->in_msg_pos.page_pos, ret);
@@ -1603,9 +1630,10 @@ static int read_partial_message(struct ceph_connection *con)
 	int ret;
 	int to, left;
 	unsigned front_len, middle_len, data_len;
-	int datacrc = con->msgr->nocrc;
+	bool do_datacrc = !con->msgr->nocrc;
 	int skip;
 	u64 seq;
+	u32 crc;
 
 	dout("read_partial_message con %p msg %p\n", con, m);
 
@@ -1618,17 +1646,16 @@ static int read_partial_message(struct ceph_connection *con)
 		if (ret <= 0)
 			return ret;
 		con->in_base_pos += ret;
-		if (con->in_base_pos == sizeof(con->in_hdr)) {
-			u32 crc = crc32c(0, (void *)&con->in_hdr,
-				 sizeof(con->in_hdr) - sizeof(con->in_hdr.crc));
-			if (crc != le32_to_cpu(con->in_hdr.crc)) {
-				pr_err("read_partial_message bad hdr "
-				       " crc %u != expected %u\n",
-				       crc, con->in_hdr.crc);
-				return -EBADMSG;
-			}
-		}
 	}
+
+	crc = crc32c(0, &con->in_hdr, offsetof(struct ceph_msg_header, crc));
+	if (cpu_to_le32(crc) != con->in_hdr.crc) {
+		pr_err("read_partial_message bad hdr "
+		       " crc %u != expected %u\n",
+		       crc, con->in_hdr.crc);
+		return -EBADMSG;
+	}
+
 	front_len = le32_to_cpu(con->in_hdr.front_len);
 	if (front_len > CEPH_MSG_MAX_FRONT_LEN)
 		return -EIO;
@@ -1714,7 +1741,7 @@ static int read_partial_message(struct ceph_connection *con)
 	while (con->in_msg_pos.data_pos < data_len) {
 		if (m->pages) {
 			ret = read_partial_message_pages(con, m->pages,
-						 data_len, datacrc);
+						 data_len, do_datacrc);
 			if (ret <= 0)
 				return ret;
 #ifdef CONFIG_BLOCK
@@ -1722,7 +1749,7 @@ static int read_partial_message(struct ceph_connection *con)
 
 			ret = read_partial_message_bio(con,
 						 &m->bio_iter, &m->bio_seg,
-						 data_len, datacrc);
+						 data_len, do_datacrc);
 			if (ret <= 0)
 				return ret;
 #endif
@@ -1757,7 +1784,7 @@ static int read_partial_message(struct ceph_connection *con)
 		       m, con->in_middle_crc, m->footer.middle_crc);
 		return -EBADMSG;
 	}
-	if (datacrc &&
+	if (do_datacrc &&
 	    (m->footer.flags & CEPH_MSG_FOOTER_NOCRC) == 0 &&
 	    con->in_data_crc != le32_to_cpu(m->footer.data_crc)) {
 		pr_err("read_partial_message %p data crc %u != exp. %u\n", m,
@@ -1819,7 +1846,6 @@ more:
 
 	/* open the socket first? */
 	if (con->sock == NULL) {
-		prepare_write_banner(msgr, con);
 		prepare_write_connect(msgr, con, 1);
 		prepare_read_banner(con);
 		set_bit(CONNECTING, &con->state);
@@ -1829,11 +1855,9 @@ more:
 		con->in_tag = CEPH_MSGR_TAG_READY;
 		dout("try_write initiating connect on %p new state %lu\n",
 		     con, con->state);
-		con->sock = ceph_tcp_connect(con);
-		if (IS_ERR(con->sock)) {
-			con->sock = NULL;
+		ret = ceph_tcp_connect(con);
+		if (ret < 0) {
 			con->error_msg = "connect error";
-			ret = -1;
 			goto out;
 		}
 	}
@@ -1953,8 +1977,9 @@ more:
 		 *
 		 * FIXME: there must be a better way to do this!
 		 */
-		static char buf[1024];
-		int skip = min(1024, -con->in_base_pos);
+		static char buf[SKIP_BUF_SIZE];
+		int skip = min((int) sizeof (buf), -con->in_base_pos);
+
 		dout("skipping %d / %d bytes\n", skip, -con->in_base_pos);
 		ret = ceph_tcp_recvmsg(con->sock, buf, skip);
 		if (ret <= 0)
@@ -2216,15 +2241,6 @@ struct ceph_messenger *ceph_messenger_create(struct ceph_entity_addr *myaddr,
 
 	spin_lock_init(&msgr->global_seq_lock);
 
-	/* the zero page is needed if a request is "canceled" while the message
-	 * is being written over the socket */
-	msgr->zero_page = __page_cache_alloc(GFP_KERNEL | __GFP_ZERO);
-	if (!msgr->zero_page) {
-		kfree(msgr);
-		return ERR_PTR(-ENOMEM);
-	}
-	kmap(msgr->zero_page);
-
 	if (myaddr)
 		msgr->inst.addr = *myaddr;
 
@@ -2241,8 +2257,6 @@ EXPORT_SYMBOL(ceph_messenger_create);
 void ceph_messenger_destroy(struct ceph_messenger *msgr)
 {
 	dout("destroy %p\n", msgr);
-	kunmap(msgr->zero_page);
-	__free_page(msgr->zero_page);
 	kfree(msgr);
 	dout("destroyed messenger %p\n", msgr);
 }
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index fd863fe76934..29ad46ec9dcf 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -283,7 +283,8 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
 		ceph_decode_32_safe(p, end, yes, bad);
 #if BITS_PER_LONG == 32
 		err = -EINVAL;
-		if (yes > ULONG_MAX / sizeof(struct crush_rule_step))
+		if (yes > (ULONG_MAX - sizeof(*r))
+			  / sizeof(struct crush_rule_step))
 			goto bad;
 #endif
 		r = c->rules[i] = kmalloc(sizeof(*r) +
diff --git a/net/compat.c b/net/compat.c
index 64b4515a64e6..e055708b8ec9 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -219,8 +219,6 @@ Efault:
 
 int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data)
 {
-	struct compat_timeval ctv;
-	struct compat_timespec cts[3];
 	struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control;
 	struct compat_cmsghdr cmhdr;
 	int cmlen;
@@ -230,24 +228,28 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
 		return 0; /* XXX: return error? check spec. */
 	}
 
-	if (level == SOL_SOCKET && type == SCM_TIMESTAMP) {
-		struct timeval *tv = (struct timeval *)data;
-		ctv.tv_sec = tv->tv_sec;
-		ctv.tv_usec = tv->tv_usec;
-		data = &ctv;
-		len = sizeof(ctv);
-	}
-	if (level == SOL_SOCKET &&
-	    (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) {
-		int count = type == SCM_TIMESTAMPNS ? 1 : 3;
-		int i;
-		struct timespec *ts = (struct timespec *)data;
-		for (i = 0; i < count; i++) {
-			cts[i].tv_sec = ts[i].tv_sec;
-			cts[i].tv_nsec = ts[i].tv_nsec;
+	if (!COMPAT_USE_64BIT_TIME) {
+		struct compat_timeval ctv;
+		struct compat_timespec cts[3];
+		if (level == SOL_SOCKET && type == SCM_TIMESTAMP) {
+			struct timeval *tv = (struct timeval *)data;
+			ctv.tv_sec = tv->tv_sec;
+			ctv.tv_usec = tv->tv_usec;
+			data = &ctv;
+			len = sizeof(ctv);
+		}
+		if (level == SOL_SOCKET &&
+		    (type == SCM_TIMESTAMPNS || type == SCM_TIMESTAMPING)) {
+			int count = type == SCM_TIMESTAMPNS ? 1 : 3;
+			int i;
+			struct timespec *ts = (struct timespec *)data;
+			for (i = 0; i < count; i++) {
+				cts[i].tv_sec = ts[i].tv_sec;
+				cts[i].tv_nsec = ts[i].tv_nsec;
+			}
+			data = &cts;
+			len = sizeof(cts[0]) * count;
 		}
-		data = &cts;
-		len = sizeof(cts[0]) * count;
 	}
 
 	cmlen = CMSG_COMPAT_LEN(len);
@@ -454,11 +456,15 @@ static int compat_sock_getsockopt(struct socket *sock, int level, int optname,
 
 int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
 {
-	struct compat_timeval __user *ctv =
-			(struct compat_timeval __user *) userstamp;
-	int err = -ENOENT;
+	struct compat_timeval __user *ctv;
+	int err;
 	struct timeval tv;
 
+	if (COMPAT_USE_64BIT_TIME)
+		return sock_get_timestamp(sk, userstamp);
+
+	ctv = (struct compat_timeval __user *) userstamp;
+	err = -ENOENT;
 	if (!sock_flag(sk, SOCK_TIMESTAMP))
 		sock_enable_timestamp(sk, SOCK_TIMESTAMP);
 	tv = ktime_to_timeval(sk->sk_stamp);
@@ -478,11 +484,15 @@ EXPORT_SYMBOL(compat_sock_get_timestamp);
 
 int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
 {
-	struct compat_timespec __user *ctv =
-			(struct compat_timespec __user *) userstamp;
-	int err = -ENOENT;
+	struct compat_timespec __user *ctv;
+	int err;
 	struct timespec ts;
 
+	if (COMPAT_USE_64BIT_TIME)
+		return sock_get_timestampns (sk, userstamp);
+
+	ctv = (struct compat_timespec __user *) userstamp;
+	err = -ENOENT;
 	if (!sock_flag(sk, SOCK_TIMESTAMP))
 		sock_enable_timestamp(sk, SOCK_TIMESTAMP);
 	ts = ktime_to_timespec(sk->sk_stamp);
@@ -767,6 +777,11 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 	int datagrams;
 	struct timespec ktspec;
 
+	if (COMPAT_USE_64BIT_TIME)
+		return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
+				      flags | MSG_CMSG_COMPAT,
+				      (struct timespec *) timeout);
+
 	if (timeout == NULL)
 		return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
 				      flags | MSG_CMSG_COMPAT, NULL);
diff --git a/net/core/datagram.c b/net/core/datagram.c
index d3cf12f62c8f..e4fbfd6e2bd4 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -37,7 +37,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/errno.h>
diff --git a/net/core/dev.c b/net/core/dev.c
index 723a4065a00e..c25d453b2803 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -73,7 +73,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
 #include <linux/cpu.h>
@@ -4029,54 +4028,41 @@ static int dev_ifconf(struct net *net, char __user *arg)
 
 #ifdef CONFIG_PROC_FS
 
-#define BUCKET_SPACE (32 - NETDEV_HASHBITS)
-
-struct dev_iter_state {
-	struct seq_net_private p;
-	unsigned int pos; /* bucket << BUCKET_SPACE + offset */
-};
+#define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1)
 
 #define get_bucket(x) ((x) >> BUCKET_SPACE)
 #define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1))
 #define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o))
 
-static inline struct net_device *dev_from_same_bucket(struct seq_file *seq)
+static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos)
 {
-	struct dev_iter_state *state = seq->private;
 	struct net *net = seq_file_net(seq);
 	struct net_device *dev;
 	struct hlist_node *p;
 	struct hlist_head *h;
-	unsigned int count, bucket, offset;
+	unsigned int count = 0, offset = get_offset(*pos);
 
-	bucket = get_bucket(state->pos);
-	offset = get_offset(state->pos);
-	h = &net->dev_name_head[bucket];
-	count = 0;
+	h = &net->dev_name_head[get_bucket(*pos)];
 	hlist_for_each_entry_rcu(dev, p, h, name_hlist) {
-		if (count++ == offset) {
-			state->pos = set_bucket_offset(bucket, count);
+		if (++count == offset)
 			return dev;
-		}
 	}
 
 	return NULL;
 }
 
-static inline struct net_device *dev_from_new_bucket(struct seq_file *seq)
+static inline struct net_device *dev_from_bucket(struct seq_file *seq, loff_t *pos)
 {
-	struct dev_iter_state *state = seq->private;
 	struct net_device *dev;
 	unsigned int bucket;
 
-	bucket = get_bucket(state->pos);
 	do {
-		dev = dev_from_same_bucket(seq);
+		dev = dev_from_same_bucket(seq, pos);
 		if (dev)
 			return dev;
 
-		bucket++;
-		state->pos = set_bucket_offset(bucket, 0);
+		bucket = get_bucket(*pos) + 1;
+		*pos = set_bucket_offset(bucket, 1);
 	} while (bucket < NETDEV_HASHENTRIES);
 
 	return NULL;
@@ -4089,33 +4075,20 @@ static inline struct net_device *dev_from_new_bucket(struct seq_file *seq)
 void *dev_seq_start(struct seq_file *seq, loff_t *pos)
 	__acquires(RCU)
 {
-	struct dev_iter_state *state = seq->private;
-
 	rcu_read_lock();
 	if (!*pos)
 		return SEQ_START_TOKEN;
 
-	/* check for end of the hash */
-	if (state->pos == 0 && *pos > 1)
+	if (get_bucket(*pos) >= NETDEV_HASHENTRIES)
 		return NULL;
 
-	return dev_from_new_bucket(seq);
+	return dev_from_bucket(seq, pos);
 }
 
 void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-	struct net_device *dev;
-
 	++*pos;
-
-	if (v == SEQ_START_TOKEN)
-		return dev_from_new_bucket(seq);
-
-	dev = dev_from_same_bucket(seq);
-	if (dev)
-		return dev;
-
-	return dev_from_new_bucket(seq);
+	return dev_from_bucket(seq, pos);
 }
 
 void dev_seq_stop(struct seq_file *seq, void *v)
@@ -4214,13 +4187,7 @@ static const struct seq_operations dev_seq_ops = {
 static int dev_seq_open(struct inode *inode, struct file *file)
 {
 	return seq_open_net(inode, file, &dev_seq_ops,
-			    sizeof(struct dev_iter_state));
-}
-
-int dev_seq_open_ops(struct inode *inode, struct file *file,
-		     const struct seq_operations *ops)
-{
-	return seq_open_net(inode, file, ops, sizeof(struct dev_iter_state));
+			    sizeof(struct seq_net_private));
 }
 
 static const struct file_operations dev_seq_fops = {
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 29c07fef9228..626698f0db8b 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -696,7 +696,8 @@ static const struct seq_operations dev_mc_seq_ops = {
 
 static int dev_mc_seq_open(struct inode *inode, struct file *file)
 {
-	return dev_seq_open_ops(inode, file, &dev_mc_seq_ops);
+	return seq_open_net(inode, file, &dev_mc_seq_ops,
+			    sizeof(struct seq_net_private));
 }
 
 static const struct file_operations dev_mc_seq_fops = {
diff --git a/net/core/filter.c b/net/core/filter.c
index 5099c4b4a53f..95d05a6012d1 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -33,15 +33,17 @@
 #include <net/sock.h>
 #include <linux/errno.h>
 #include <linux/timer.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/unaligned.h>
 #include <linux/filter.h>
 #include <linux/reciprocal_div.h>
 #include <linux/ratelimit.h>
 
-/* No hurry in this branch */
-static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size)
+/* No hurry in this branch
+ *
+ * Exported for the bpf jit load helper.
+ */
+void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb, int k, unsigned int size)
 {
 	u8 *ptr = NULL;
 
@@ -60,7 +62,7 @@ static inline void *load_pointer(const struct sk_buff *skb, int k,
 {
 	if (k >= 0)
 		return skb_header_pointer(skb, k, size, buffer);
-	return __load_pointer(skb, k, size);
+	return bpf_internal_load_pointer_neg_helper(skb, k, size);
 }
 
 /**
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 43b03dd71e85..d9d198aa9fed 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -14,7 +14,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/types.h>
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b76f8fa3fc64..545a969672ab 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -38,7 +38,6 @@
 #include <linux/pci.h>
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #include <linux/inet.h>
 #include <linux/netdevice.h>
diff --git a/net/core/scm.c b/net/core/scm.c
index ff52ad0a5150..611c5efd4cb0 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -28,7 +28,6 @@
 #include <linux/nsproxy.h>
 #include <linux/slab.h>
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 
 #include <net/protocol.h>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index b2595adb605f..a396a6926238 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -66,7 +66,6 @@
 #include <net/xfrm.h>
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <trace/events/skb.h>
 #include <linux/highmem.h>
 
@@ -3162,6 +3161,8 @@ static void sock_rmem_free(struct sk_buff *skb)
  */
 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
 {
+	int len = skb->len;
+
 	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
 	    (unsigned)sk->sk_rcvbuf)
 		return -ENOMEM;
@@ -3176,7 +3177,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
 
 	skb_queue_tail(&sk->sk_error_queue, skb);
 	if (!sock_flag(sk, SOCK_DEAD))
-		sk->sk_data_ready(sk, skb->len);
+		sk->sk_data_ready(sk, len);
 	return 0;
 }
 EXPORT_SYMBOL(sock_queue_err_skb);
diff --git a/net/core/sock.c b/net/core/sock.c
index 9be6d0d6c533..b2e14c07d920 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -115,7 +115,6 @@
 #include <linux/memcontrol.h>
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #include <linux/netdevice.h>
 #include <net/protocol.h>
diff --git a/net/core/utils.c b/net/core/utils.c
index 386e263f6066..dc3c3faff2f4 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -30,7 +30,6 @@
 #include <net/net_ratelimit.h>
 
 #include <asm/byteorder.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 
 int net_msg_warn __read_mostly = 1;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 19acd00a6382..4136987d94da 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -119,7 +119,6 @@ Version 0.0.6    2.1.110   07-aug-98   Eduardo Marcelo Serrat
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <net/flow.h>
-#include <asm/system.h>
 #include <asm/ioctls.h>
 #include <linux/capability.h>
 #include <linux/mm.h>
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 16efcda2f060..a4aecb09d12a 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -42,7 +42,6 @@
 #include <linux/notifier.h>
 #include <linux/slab.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <net/net_namespace.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index 73fa268fe2e8..f6544b2c91b0 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -60,7 +60,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/termios.h>
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index bd78836a81eb..e446e85e64a6 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -52,7 +52,6 @@
 #include <linux/route.h>
 #include <linux/slab.h>
 #include <net/sock.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/termios.h>
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 7e717cb35ad1..71b5edcee401 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -47,7 +47,6 @@
 #include <linux/mutex.h>
 
 #include <linux/uaccess.h>
-#include <asm/system.h>
 
 static const struct proto_ops econet_ops;
 static struct hlist_head econet_sklist;
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index a93af86b8474..bf10a311cf1c 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -59,7 +59,6 @@
 #include <net/ip.h>
 #include <net/dsa.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 __setup("ether=", netdev_boot_setup);
 
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index fdf49fd44bb4..10e3751466b5 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -91,7 +91,6 @@
 #include <linux/slab.h>
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #include <linux/inet.h>
 #include <linux/igmp.h>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 73f46d691abc..18d9b81ecb1a 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -113,7 +113,6 @@
 #include <net/ax25.h>
 #include <net/netrom.h>
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 
 #include <linux/netfilter_arp.h>
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 3ffaad0ef98f..7ba2196e4377 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -27,7 +27,6 @@
 
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
 #include <linux/module.h>
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 76e72bacc217..cbe3a68507cf 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -15,7 +15,6 @@
 
 #include <linux/module.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
 #include <linux/types.h>
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 63aa48acc98a..a8bdf7405433 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -14,7 +14,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index da9b9cb2282d..bce36f1a37b4 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -51,7 +51,6 @@
 #define VERSION "0.409"
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 9664d353ccd8..2cb2bf845641 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -91,7 +91,6 @@
 #include <linux/errno.h>
 #include <linux/timer.h>
 #include <linux/init.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <net/checksum.h>
 #include <net/xfrm.h>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index e9b90a8ca55a..ceaac24ecdca 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -73,7 +73,6 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/jiffies.h>
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index f3f1108940f5..26eccc5bab1c 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -115,7 +115,6 @@
 
 #define pr_fmt(fmt) "IPv4: " fmt
 
-#include <asm/system.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ff302bde8890..4910176d24ed 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -43,7 +43,6 @@
  */
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index dcf4d7fe3917..5bef604ac0fa 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -26,7 +26,6 @@
  *
  */
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/types.h>
 #include <linux/capability.h>
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index ab6b36e6da15..50009c787bcd 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -20,7 +20,6 @@
  *
  */
 
-#include <asm/system.h>
 #include <linux/uaccess.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 634aa824b17e..e4d18f2a305d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -66,7 +66,6 @@
 
 #include <linux/module.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index cfd7edda0a8e..5d54ed30e821 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -860,7 +860,7 @@ wait_for_memory:
 	}
 
 out:
-	if (copied)
+	if (copied && !(flags & MSG_SENDPAGE_NOTLAST))
 		tcp_push(sk, flags, mss_now, tp->nonagle);
 	return copied;
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d6f5feeb3eaf..fe141052a1be 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -79,7 +79,6 @@
 
 #define pr_fmt(fmt) "UDP: " fmt
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 #include <linux/bootmem.h>
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 5605f9dca87e..8ed1b930e75f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -60,7 +60,6 @@
 #endif
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/mroute6.h>
 
 MODULE_AUTHOR("Cast of dozens");
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 6dd59f160da4..cc079d8d4681 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -66,7 +66,6 @@
 #include <net/inet_common.h>
 
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 /*
  *	The ICMP socket(s). This is the most convenient way to flow control
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index ff6ddf93f269..efc0098b59dd 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -16,7 +16,6 @@
  *
  */
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/types.h>
 #include <linux/sched.h>
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 6264d8fd2a2d..7dfb89f2bae5 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2044,7 +2044,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
 		if (!delta)
 			pmc->mca_sfcount[sfmode]--;
 		for (j=0; j<i; j++)
-			(void) ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]);
+			ip6_mc_del1_src(pmc, sfmode, &psfsrc[j]);
 	} else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) {
 		struct ip6_sf_list *psf;
 
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index ba1a3fc39b5c..42cf1390ce9c 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -37,7 +37,6 @@
 #include <linux/bitops.h>
 #include <net/arp.h>
 
-#include <asm/system.h>
 #include <asm/byteorder.h>
 
 #include <net/irda/irda.h>
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 579617cca125..7ac4d1becbfc 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -40,7 +40,6 @@
 #include <linux/moduleparam.h>
 #include <linux/bitops.h>
 
-#include <asm/system.h>
 #include <asm/byteorder.h>
 
 #include <net/irda/irda.h>
diff --git a/net/irda/irlan/irlan_provider.c b/net/irda/irlan/irlan_provider.c
index 8b61cf0d8a69..32dcaac70b0c 100644
--- a/net/irda/irlan/irlan_provider.c
+++ b/net/irda/irlan/irlan_provider.c
@@ -36,7 +36,6 @@
 #include <linux/bitops.h>
 #include <linux/slab.h>
 
-#include <asm/system.h>
 #include <asm/byteorder.h>
 
 #include <net/irda/irda.h>
diff --git a/net/irda/timer.c b/net/irda/timer.c
index f418cb2ad49c..1d552b3946fc 100644
--- a/net/irda/timer.c
+++ b/net/irda/timer.c
@@ -24,7 +24,6 @@
  *
  ********************************************************************/
 
-#include <asm/system.h>
 #include <linux/delay.h>
 
 #include <net/irda/timer.h>
diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index 8d0324bac01c..ab3d35f23257 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -32,7 +32,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 2ec1af5c36cc..f4e3c1accab7 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -30,7 +30,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/lapb/lapb_out.c b/net/lapb/lapb_out.c
index c75a79540f9f..baab2760f651 100644
--- a/net/lapb/lapb_out.c
+++ b/net/lapb/lapb_out.c
@@ -28,7 +28,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/lapb/lapb_subr.c b/net/lapb/lapb_subr.c
index 43a2a7fb327b..066225b4e824 100644
--- a/net/lapb/lapb_subr.c
+++ b/net/lapb/lapb_subr.c
@@ -27,7 +27,6 @@
 #include <linux/slab.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/lapb/lapb_timer.c b/net/lapb/lapb_timer.c
index af6d14b44e2e..f8cd641dfc82 100644
--- a/net/lapb/lapb_timer.c
+++ b/net/lapb/lapb_timer.c
@@ -28,7 +28,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index cc5b7a6e7e0b..778e5916d7c3 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -15,12 +15,6 @@
 #include "rate.h"
 #include "debugfs.h"
 
-int mac80211_open_file_generic(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
 
 int mac80211_format_buffer(char __user *userbuf, size_t count,
@@ -50,7 +44,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
 #define DEBUGFS_READONLY_FILE_OPS(name)			\
 static const struct file_operations name## _ops = {			\
 	.read = name## _read,						\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 };
 
@@ -93,7 +87,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf,
 
 static const struct file_operations reset_ops = {
 	.write = reset_write,
-	.open = mac80211_open_file_generic,
+	.open = simple_open,
 	.llseek = noop_llseek,
 };
 
@@ -254,7 +248,7 @@ static ssize_t stats_ ##name## _read(struct file *file,			\
 									\
 static const struct file_operations stats_ ##name## _ops = {		\
 	.read = stats_ ##name## _read,					\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 };
 
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index 7c87529630f5..9be4e6d71d00 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -3,7 +3,6 @@
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 extern void debugfs_hw_add(struct ieee80211_local *local);
-extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
 extern int mac80211_format_buffer(char __user *userbuf, size_t count,
 				  loff_t *ppos, char *fmt, ...);
 #else
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 59edcd95a58d..7932767bb482 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -30,7 +30,7 @@ static ssize_t key_##name##_read(struct file *file,			\
 #define KEY_OPS(name)							\
 static const struct file_operations key_ ##name## _ops = {		\
 	.read = key_##name##_read,					\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 }
 
@@ -45,7 +45,7 @@ static const struct file_operations key_ ##name## _ops = {		\
 #define KEY_CONF_OPS(name)						\
 static const struct file_operations key_ ##name## _ops = {		\
 	.read = key_conf_##name##_read,					\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 }
 
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index a32eeda04aa3..30f99c344847 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -135,7 +135,7 @@ static ssize_t ieee80211_if_read_##name(struct file *file,		\
 static const struct file_operations name##_ops = {			\
 	.read = ieee80211_if_read_##name,				\
 	.write = (_write),						\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 }
 
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 6d45804d09bc..832b2da5e4cd 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -33,7 +33,7 @@ static ssize_t sta_ ##name## _read(struct file *file,			\
 #define STA_OPS(name)							\
 static const struct file_operations sta_ ##name## _ops = {		\
 	.read = sta_##name##_read,					\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 }
 
@@ -41,7 +41,7 @@ static const struct file_operations sta_ ##name## _ops = {		\
 static const struct file_operations sta_ ##name## _ops = {		\
 	.read = sta_##name##_read,					\
 	.write = sta_##name##_write,					\
-	.open = mac80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 }
 
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b4f7600a3e36..3313c117b322 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -145,7 +145,7 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf,
 
 static const struct file_operations rcname_ops = {
 	.read = rcname_read,
-	.open = mac80211_open_file_generic,
+	.open = simple_open,
 	.llseek = default_llseek,
 };
 #endif
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index fe6cb4304d72..52856178c9d7 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -31,7 +31,6 @@
 #include <net/net_namespace.h>
 #include <net/protocol.h>
 #include <net/tcp.h>
-#include <asm/system.h>
 #include <linux/stat.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index 85312939695f..f843a8833250 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -25,7 +25,6 @@
 #include <net/protocol.h>
 #include <net/tcp.h>
 #include <net/udp.h>
-#include <asm/system.h>
 #include <linux/stat.h>
 #include <linux/proc_fs.h>
 
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index b0ab8c43abe7..6cd8e32e281c 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -735,6 +735,7 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
 
 #ifdef CONFIG_NF_CONNTRACK_ZONES
 out_free:
+	atomic_dec(&net->ct.count);
 	kmem_cache_free(net->ct.nf_conntrack_cachep, ct);
 	return ERR_PTR(-ENOMEM);
 #endif
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 4d70785b953d..e6ddde165612 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -23,7 +23,6 @@
 #include <linux/net.h>
 #include <linux/skbuff.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <linux/init.h>
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 0c8e43810ce3..59530e93fa58 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -150,6 +150,17 @@ err1:
 	return ret;
 }
 
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+static void __xt_ct_tg_timeout_put(struct ctnl_timeout *timeout)
+{
+	typeof(nf_ct_timeout_put_hook) timeout_put;
+
+	timeout_put = rcu_dereference(nf_ct_timeout_put_hook);
+	if (timeout_put)
+		timeout_put(timeout);
+}
+#endif
+
 static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 {
 	struct xt_ct_target_info_v1 *info = par->targinfo;
@@ -158,7 +169,9 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 	struct nf_conn *ct;
 	int ret = 0;
 	u8 proto;
-
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+	struct ctnl_timeout *timeout;
+#endif
 	if (info->flags & ~XT_CT_NOTRACK)
 		return -EINVAL;
 
@@ -216,7 +229,6 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 #ifdef CONFIG_NF_CONNTRACK_TIMEOUT
 	if (info->timeout) {
 		typeof(nf_ct_timeout_find_get_hook) timeout_find_get;
-		struct ctnl_timeout *timeout;
 		struct nf_conn_timeout *timeout_ext;
 
 		rcu_read_lock();
@@ -245,7 +257,7 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 				pr_info("Timeout policy `%s' can only be "
 					"used by L3 protocol number %d\n",
 					info->timeout, timeout->l3num);
-				goto err4;
+				goto err5;
 			}
 			/* Make sure the timeout policy matches any existing
 			 * protocol tracker, otherwise default to generic.
@@ -258,13 +270,13 @@ static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
 					"used by L4 protocol number %d\n",
 					info->timeout,
 					timeout->l4proto->l4proto);
-				goto err4;
+				goto err5;
 			}
 			timeout_ext = nf_ct_timeout_ext_add(ct, timeout,
-							    GFP_KERNEL);
+							    GFP_ATOMIC);
 			if (timeout_ext == NULL) {
 				ret = -ENOMEM;
-				goto err4;
+				goto err5;
 			}
 		} else {
 			ret = -ENOENT;
@@ -281,8 +293,12 @@ out:
 	info->ct = ct;
 	return 0;
 
+#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
+err5:
+	__xt_ct_tg_timeout_put(timeout);
 err4:
 	rcu_read_unlock();
+#endif
 err3:
 	nf_conntrack_free(ct);
 err2:
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 32bb75324e76..faa48f70b7c9 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -829,12 +829,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
 	return 0;
 }
 
-int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)
 {
 	int len = skb->len;
 
 	skb_queue_tail(&sk->sk_receive_queue, skb);
 	sk->sk_data_ready(sk, len);
+	return len;
+}
+
+int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+{
+	int len = __netlink_sendskb(sk, skb);
+
 	sock_put(sk);
 	return len;
 }
@@ -957,8 +964,7 @@ static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)
 	if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf &&
 	    !test_bit(0, &nlk->state)) {
 		skb_set_owner_r(skb, sk);
-		skb_queue_tail(&sk->sk_receive_queue, skb);
-		sk->sk_data_ready(sk, skb->len);
+		__netlink_sendskb(sk, skb);
 		return atomic_read(&sk->sk_rmem_alloc) > (sk->sk_rcvbuf >> 1);
 	}
 	return -1;
@@ -1698,10 +1704,8 @@ static int netlink_dump(struct sock *sk)
 
 		if (sk_filter(sk, skb))
 			kfree_skb(skb);
-		else {
-			skb_queue_tail(&sk->sk_receive_queue, skb);
-			sk->sk_data_ready(sk, skb->len);
-		}
+		else
+			__netlink_sendskb(sk, skb);
 		return 0;
 	}
 
@@ -1715,10 +1719,8 @@ static int netlink_dump(struct sock *sk)
 
 	if (sk_filter(sk, skb))
 		kfree_skb(skb);
-	else {
-		skb_queue_tail(&sk->sk_receive_queue, skb);
-		sk->sk_data_ready(sk, skb->len);
-	}
+	else
+		__netlink_sendskb(sk, skb);
 
 	if (cb->done)
 		cb->done(cb);
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7dab229bfbcc..06592d8b4a2b 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -31,7 +31,6 @@
 #include <net/net_namespace.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>	/* For TIOCINQ/OUTQ */
 #include <linux/mm.h>
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 64e6dde9749d..1c51d7a58f0b 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -21,7 +21,6 @@
 #include <linux/if_ether.h>	/* For the statistics structure. */
 #include <linux/slab.h>
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
diff --git a/net/netrom/nr_in.c b/net/netrom/nr_in.c
index 6d4ef6d65b3d..c3073a2ef634 100644
--- a/net/netrom/nr_in.c
+++ b/net/netrom/nr_in.c
@@ -24,7 +24,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/netrom/nr_out.c b/net/netrom/nr_out.c
index 607fddb4fdbb..0b4bcb2bf38f 100644
--- a/net/netrom/nr_out.c
+++ b/net/netrom/nr_out.c
@@ -23,7 +23,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 2cf330162d7e..70ffff76a967 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -26,7 +26,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>	/* For TIOCINQ/OUTQ */
 #include <linux/mm.h>
diff --git a/net/netrom/nr_subr.c b/net/netrom/nr_subr.c
index 6a947ae50dbd..ca40e2298f5a 100644
--- a/net/netrom/nr_subr.c
+++ b/net/netrom/nr_subr.c
@@ -23,7 +23,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c
index 1cb98e88f5e1..ff2c1b142f57 100644
--- a/net/netrom/nr_timer.c
+++ b/net/netrom/nr_timer.c
@@ -24,7 +24,6 @@
 #include <net/sock.h>
 #include <net/tcp_states.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index f5ca1257debf..f86de29979ef 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -38,7 +38,6 @@
 #include <linux/udp.h>
 #include <linux/ethtool.h>
 #include <linux/wait.h>
-#include <asm/system.h>
 #include <asm/div64.h>
 #include <linux/highmem.h>
 #include <linux/netfilter_bridge.h>
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ae2d484416dd..4f2c0df79563 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -73,7 +73,6 @@
 #include <net/sock.h>
 #include <linux/errno.h>
 #include <linux/timer.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 #include <asm/page.h>
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 9f60008740e3..9726fe684ab8 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1130,6 +1130,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
 	int flags = msg->msg_flags;
 	int err, done;
 
+	if (len > USHRT_MAX)
+		return -EMSGSIZE;
+
 	if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
 				MSG_CMSG_COMPAT)) ||
 			!(msg->msg_flags & MSG_EOR))
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f9ea925ad9cb..c4719ce604c2 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -34,7 +34,6 @@
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 2679507ad333..906cc05bba63 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -21,7 +21,6 @@
 #include <linux/if_ether.h>
 #include <linux/slab.h>
 
-#include <asm/system.h>
 #include <asm/io.h>
 
 #include <linux/inet.h>
diff --git a/net/rose/rose_in.c b/net/rose/rose_in.c
index 7f7fcb46b4fa..79c4abcfa6b4 100644
--- a/net/rose/rose_in.c
+++ b/net/rose/rose_in.c
@@ -26,7 +26,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index 7a02bd1cc5a0..bc5514211b0c 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -22,7 +22,6 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/rose/rose_out.c b/net/rose/rose_out.c
index 4ebf33afbe47..9ad98b524646 100644
--- a/net/rose/rose_out.c
+++ b/net/rose/rose_out.c
@@ -21,7 +21,6 @@
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index cd9b7ee60f3e..40148932c8a4 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -25,7 +25,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <linux/fcntl.h>
 #include <linux/termios.h>	/* For TIOCINQ/OUTQ */
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index f6c71caa94b9..47f1fdb346b0 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -22,7 +22,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/rose/rose_timer.c b/net/rose/rose_timer.c
index b6c8f38cc26c..bc5469d6d9cb 100644
--- a/net/rose/rose_timer.c
+++ b/net/rose/rose_timer.c
@@ -23,7 +23,6 @@
 #include <linux/skbuff.h>
 #include <net/sock.h>
 #include <net/tcp_states.h>
-#include <asm/system.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 06b42b7f5a02..92ba71dfe080 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4133,9 +4133,10 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
 static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
 				  int __user *optlen)
 {
-	if (len < sizeof(struct sctp_event_subscribe))
+	if (len <= 0)
 		return -EINVAL;
-	len = sizeof(struct sctp_event_subscribe);
+	if (len > sizeof(struct sctp_event_subscribe))
+		len = sizeof(struct sctp_event_subscribe);
 	if (put_user(len, optlen))
 		return -EFAULT;
 	if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len))
diff --git a/net/socket.c b/net/socket.c
index 12a48d846223..851edcd6b098 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -811,9 +811,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
 
 	sock = file->private_data;
 
-	flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
-	if (more)
-		flags |= MSG_MORE;
+	flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0;
+	/* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */
+	flags |= more;
 
 	return kernel_sendpage(sock, page, offset, size, flags);
 }
@@ -2592,7 +2592,7 @@ void socket_seq_show(struct seq_file *seq)
 
 #ifdef CONFIG_COMPAT
 static int do_siocgstamp(struct net *net, struct socket *sock,
-			 unsigned int cmd, struct compat_timeval __user *up)
+			 unsigned int cmd, void __user *up)
 {
 	mm_segment_t old_fs = get_fs();
 	struct timeval ktv;
@@ -2601,15 +2601,14 @@ static int do_siocgstamp(struct net *net, struct socket *sock,
 	set_fs(KERNEL_DS);
 	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
 	set_fs(old_fs);
-	if (!err) {
-		err = put_user(ktv.tv_sec, &up->tv_sec);
-		err |= __put_user(ktv.tv_usec, &up->tv_usec);
-	}
+	if (!err)
+		err = compat_put_timeval(up, &ktv);
+
 	return err;
 }
 
 static int do_siocgstampns(struct net *net, struct socket *sock,
-			 unsigned int cmd, struct compat_timespec __user *up)
+			   unsigned int cmd, void __user *up)
 {
 	mm_segment_t old_fs = get_fs();
 	struct timespec kts;
@@ -2618,10 +2617,9 @@ static int do_siocgstampns(struct net *net, struct socket *sock,
 	set_fs(KERNEL_DS);
 	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
 	set_fs(old_fs);
-	if (!err) {
-		err = put_user(kts.tv_sec, &up->tv_sec);
-		err |= __put_user(kts.tv_nsec, &up->tv_nsec);
-	}
+	if (!err)
+		err = compat_put_timespec(up, &kts);
+
 	return err;
 }
 
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index f21ece088764..de0b0f39d9d8 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -830,6 +830,8 @@ static ssize_t cache_do_downcall(char *kaddr, const char __user *buf,
 {
 	ssize_t ret;
 
+	if (count == 0)
+		return -EINVAL;
 	if (copy_from_user(kaddr, buf, count))
 		return -EFAULT;
 	kaddr[count] = '\0';
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 7a4cb5fdc212..67972462a543 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -17,7 +17,6 @@
  *  Copyright (C) 1995,1996 Olaf Kirch <okir@monad.swb.de>
  */
 
-#include <asm/system.h>
 
 #include <linux/module.h>
 #include <linux/types.h>
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index c84c0e0c41cb..0af37fc46818 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1014,6 +1014,7 @@ enum {
 	RPCAUTH_statd,
 	RPCAUTH_nfsd4_cb,
 	RPCAUTH_cache,
+	RPCAUTH_nfsd,
 	RPCAUTH_RootEOF
 };
 
@@ -1046,6 +1047,10 @@ static const struct rpc_filelist files[] = {
 		.name = "cache",
 		.mode = S_IFDIR | S_IRUGO | S_IXUGO,
 	},
+	[RPCAUTH_nfsd] = {
+		.name = "nfsd",
+		.mode = S_IFDIR | S_IRUGO | S_IXUGO,
+	},
 };
 
 /*
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 207a74696c9f..78ac39fd9fe7 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -734,7 +734,7 @@ void rpcb_getport_async(struct rpc_task *task)
 	map->r_vers = clnt->cl_vers;
 	map->r_prot = xprt->prot;
 	map->r_port = 0;
-	map->r_xprt = xprt_get(xprt);
+	map->r_xprt = xprt;
 	map->r_status = -EIO;
 
 	switch (bind_version) {
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index bcd574f2ac56..521d8f7dc833 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -507,7 +507,7 @@ static int unix_gid_parse(struct cache_detail *cd,
 	time_t expiry;
 	struct unix_gid ug, *ugp;
 
-	if (mlen <= 0 || mesg[mlen-1] != '\n')
+	if (mesg[mlen - 1] != '\n')
 		return -EINVAL;
 	mesg[mlen-1] = 0;
 
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 40ae884db865..824d32fb3121 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1381,8 +1381,6 @@ void svc_sock_update_bufs(struct svc_serv *serv)
 	spin_lock_bh(&serv->sv_lock);
 	list_for_each_entry(svsk, &serv->sv_permsocks, sk_xprt.xpt_list)
 		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
-	list_for_each_entry(svsk, &serv->sv_tempsocks, sk_xprt.xpt_list)
-		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
 	spin_unlock_bh(&serv->sv_lock);
 }
 EXPORT_SYMBOL_GPL(svc_sock_update_bufs);
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 09af4fab1a45..8343737e85f4 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -47,6 +47,7 @@
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/svc_rdma.h>
+#include "xprt_rdma.h"
 
 #define RPCDBG_FACILITY	RPCDBG_SVCXPRT
 
diff --git a/net/sunrpc/xprtrdma/svc_rdma_marshal.c b/net/sunrpc/xprtrdma/svc_rdma_marshal.c
index 9530ef2d40dc..8d2edddf48cf 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_marshal.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_marshal.c
@@ -60,21 +60,11 @@ static u32 *decode_read_list(u32 *va, u32 *vaend)
 	struct rpcrdma_read_chunk *ch = (struct rpcrdma_read_chunk *)va;
 
 	while (ch->rc_discrim != xdr_zero) {
-		u64 ch_offset;
-
 		if (((unsigned long)ch + sizeof(struct rpcrdma_read_chunk)) >
 		    (unsigned long)vaend) {
 			dprintk("svcrdma: vaend=%p, ch=%p\n", vaend, ch);
 			return NULL;
 		}
-
-		ch->rc_discrim = ntohl(ch->rc_discrim);
-		ch->rc_position = ntohl(ch->rc_position);
-		ch->rc_target.rs_handle = ntohl(ch->rc_target.rs_handle);
-		ch->rc_target.rs_length = ntohl(ch->rc_target.rs_length);
-		va = (u32 *)&ch->rc_target.rs_offset;
-		xdr_decode_hyper(va, &ch_offset);
-		put_unaligned(ch_offset, (u64 *)va);
 		ch++;
 	}
 	return (u32 *)&ch->rc_position;
@@ -91,7 +81,7 @@ void svc_rdma_rcl_chunk_counts(struct rpcrdma_read_chunk *ch,
 	*byte_count = 0;
 	*ch_count = 0;
 	for (; ch->rc_discrim != 0; ch++) {
-		*byte_count = *byte_count + ch->rc_target.rs_length;
+		*byte_count = *byte_count + ntohl(ch->rc_target.rs_length);
 		*ch_count = *ch_count + 1;
 	}
 }
@@ -108,7 +98,8 @@ void svc_rdma_rcl_chunk_counts(struct rpcrdma_read_chunk *ch,
  */
 static u32 *decode_write_list(u32 *va, u32 *vaend)
 {
-	int ch_no;
+	int nchunks;
+
 	struct rpcrdma_write_array *ary =
 		(struct rpcrdma_write_array *)va;
 
@@ -121,37 +112,24 @@ static u32 *decode_write_list(u32 *va, u32 *vaend)
 		dprintk("svcrdma: ary=%p, vaend=%p\n", ary, vaend);
 		return NULL;
 	}
-	ary->wc_discrim = ntohl(ary->wc_discrim);
-	ary->wc_nchunks = ntohl(ary->wc_nchunks);
+	nchunks = ntohl(ary->wc_nchunks);
 	if (((unsigned long)&ary->wc_array[0] +
-	     (sizeof(struct rpcrdma_write_chunk) * ary->wc_nchunks)) >
+	     (sizeof(struct rpcrdma_write_chunk) * nchunks)) >
 	    (unsigned long)vaend) {
 		dprintk("svcrdma: ary=%p, wc_nchunks=%d, vaend=%p\n",
-			ary, ary->wc_nchunks, vaend);
+			ary, nchunks, vaend);
 		return NULL;
 	}
-	for (ch_no = 0; ch_no < ary->wc_nchunks; ch_no++) {
-		u64 ch_offset;
-
-		ary->wc_array[ch_no].wc_target.rs_handle =
-			ntohl(ary->wc_array[ch_no].wc_target.rs_handle);
-		ary->wc_array[ch_no].wc_target.rs_length =
-			ntohl(ary->wc_array[ch_no].wc_target.rs_length);
-		va = (u32 *)&ary->wc_array[ch_no].wc_target.rs_offset;
-		xdr_decode_hyper(va, &ch_offset);
-		put_unaligned(ch_offset, (u64 *)va);
-	}
-
 	/*
 	 * rs_length is the 2nd 4B field in wc_target and taking its
 	 * address skips the list terminator
 	 */
-	return (u32 *)&ary->wc_array[ch_no].wc_target.rs_length;
+	return (u32 *)&ary->wc_array[nchunks].wc_target.rs_length;
 }
 
 static u32 *decode_reply_array(u32 *va, u32 *vaend)
 {
-	int ch_no;
+	int nchunks;
 	struct rpcrdma_write_array *ary =
 		(struct rpcrdma_write_array *)va;
 
@@ -164,28 +142,15 @@ static u32 *decode_reply_array(u32 *va, u32 *vaend)
 		dprintk("svcrdma: ary=%p, vaend=%p\n", ary, vaend);
 		return NULL;
 	}
-	ary->wc_discrim = ntohl(ary->wc_discrim);
-	ary->wc_nchunks = ntohl(ary->wc_nchunks);
+	nchunks = ntohl(ary->wc_nchunks);
 	if (((unsigned long)&ary->wc_array[0] +
-	     (sizeof(struct rpcrdma_write_chunk) * ary->wc_nchunks)) >
+	     (sizeof(struct rpcrdma_write_chunk) * nchunks)) >
 	    (unsigned long)vaend) {
 		dprintk("svcrdma: ary=%p, wc_nchunks=%d, vaend=%p\n",
-			ary, ary->wc_nchunks, vaend);
+			ary, nchunks, vaend);
 		return NULL;
 	}
-	for (ch_no = 0; ch_no < ary->wc_nchunks; ch_no++) {
-		u64 ch_offset;
-
-		ary->wc_array[ch_no].wc_target.rs_handle =
-			ntohl(ary->wc_array[ch_no].wc_target.rs_handle);
-		ary->wc_array[ch_no].wc_target.rs_length =
-			ntohl(ary->wc_array[ch_no].wc_target.rs_length);
-		va = (u32 *)&ary->wc_array[ch_no].wc_target.rs_offset;
-		xdr_decode_hyper(va, &ch_offset);
-		put_unaligned(ch_offset, (u64 *)va);
-	}
-
-	return (u32 *)&ary->wc_array[ch_no];
+	return (u32 *)&ary->wc_array[nchunks];
 }
 
 int svc_rdma_xdr_decode_req(struct rpcrdma_msg **rdma_req,
@@ -386,13 +351,14 @@ void svc_rdma_xdr_encode_reply_array(struct rpcrdma_write_array *ary,
 
 void svc_rdma_xdr_encode_array_chunk(struct rpcrdma_write_array *ary,
 				     int chunk_no,
-				     u32 rs_handle, u64 rs_offset,
+				     __be32 rs_handle,
+				     __be64 rs_offset,
 				     u32 write_len)
 {
 	struct rpcrdma_segment *seg = &ary->wc_array[chunk_no].wc_target;
-	seg->rs_handle = htonl(rs_handle);
+	seg->rs_handle = rs_handle;
+	seg->rs_offset = rs_offset;
 	seg->rs_length = htonl(write_len);
-	xdr_encode_hyper((u32 *) &seg->rs_offset, rs_offset);
 }
 
 void svc_rdma_xdr_encode_reply_header(struct svcxprt_rdma *xprt,
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index df67211c4baf..41cb63b623df 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -147,7 +147,7 @@ static int map_read_chunks(struct svcxprt_rdma *xprt,
 	page_off = 0;
 	ch = (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
 	ch_no = 0;
-	ch_bytes = ch->rc_target.rs_length;
+	ch_bytes = ntohl(ch->rc_target.rs_length);
 	head->arg.head[0] = rqstp->rq_arg.head[0];
 	head->arg.tail[0] = rqstp->rq_arg.tail[0];
 	head->arg.pages = &head->pages[head->count];
@@ -183,7 +183,7 @@ static int map_read_chunks(struct svcxprt_rdma *xprt,
 			ch_no++;
 			ch++;
 			chl_map->ch[ch_no].start = sge_no;
-			ch_bytes = ch->rc_target.rs_length;
+			ch_bytes = ntohl(ch->rc_target.rs_length);
 			/* If bytes remaining account for next chunk */
 			if (byte_count) {
 				head->arg.page_len += ch_bytes;
@@ -281,11 +281,12 @@ static int fast_reg_read_chunks(struct svcxprt_rdma *xprt,
 	offset = 0;
 	ch = (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
 	for (ch_no = 0; ch_no < ch_count; ch_no++) {
+		int len = ntohl(ch->rc_target.rs_length);
 		rpl_map->sge[ch_no].iov_base = frmr->kva + offset;
-		rpl_map->sge[ch_no].iov_len = ch->rc_target.rs_length;
+		rpl_map->sge[ch_no].iov_len = len;
 		chl_map->ch[ch_no].count = 1;
 		chl_map->ch[ch_no].start = ch_no;
-		offset += ch->rc_target.rs_length;
+		offset += len;
 		ch++;
 	}
 
@@ -316,7 +317,7 @@ static int rdma_set_ctxt_sge(struct svcxprt_rdma *xprt,
 	for (i = 0; i < count; i++) {
 		ctxt->sge[i].length = 0; /* in case map fails */
 		if (!frmr) {
-			BUG_ON(0 == virt_to_page(vec[i].iov_base));
+			BUG_ON(!virt_to_page(vec[i].iov_base));
 			off = (unsigned long)vec[i].iov_base & ~PAGE_MASK;
 			ctxt->sge[i].addr =
 				ib_dma_map_page(xprt->sc_cm_id->device,
@@ -426,6 +427,7 @@ static int rdma_read_xdr(struct svcxprt_rdma *xprt,
 
 	for (ch = (struct rpcrdma_read_chunk *)&rmsgp->rm_body.rm_chunks[0];
 	     ch->rc_discrim != 0; ch++, ch_no++) {
+		u64 rs_offset;
 next_sge:
 		ctxt = svc_rdma_get_context(xprt);
 		ctxt->direction = DMA_FROM_DEVICE;
@@ -440,10 +442,10 @@ next_sge:
 		read_wr.opcode = IB_WR_RDMA_READ;
 		ctxt->wr_op = read_wr.opcode;
 		read_wr.send_flags = IB_SEND_SIGNALED;
-		read_wr.wr.rdma.rkey = ch->rc_target.rs_handle;
-		read_wr.wr.rdma.remote_addr =
-			get_unaligned(&(ch->rc_target.rs_offset)) +
-			sgl_offset;
+		read_wr.wr.rdma.rkey = ntohl(ch->rc_target.rs_handle);
+		xdr_decode_hyper((__be32 *)&ch->rc_target.rs_offset,
+				 &rs_offset);
+		read_wr.wr.rdma.remote_addr = rs_offset + sgl_offset;
 		read_wr.sg_list = ctxt->sge;
 		read_wr.num_sge =
 			rdma_read_max_sge(xprt, chl_map->ch[ch_no].count);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 249a835b703f..42eb7ba0b903 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -409,21 +409,21 @@ static int send_write_chunks(struct svcxprt_rdma *xprt,
 		u64 rs_offset;
 
 		arg_ch = &arg_ary->wc_array[chunk_no].wc_target;
-		write_len = min(xfer_len, arg_ch->rs_length);
+		write_len = min(xfer_len, ntohl(arg_ch->rs_length));
 
 		/* Prepare the response chunk given the length actually
 		 * written */
-		rs_offset = get_unaligned(&(arg_ch->rs_offset));
+		xdr_decode_hyper((__be32 *)&arg_ch->rs_offset, &rs_offset);
 		svc_rdma_xdr_encode_array_chunk(res_ary, chunk_no,
-					    arg_ch->rs_handle,
-					    rs_offset,
-					    write_len);
+						arg_ch->rs_handle,
+						arg_ch->rs_offset,
+						write_len);
 		chunk_off = 0;
 		while (write_len) {
 			int this_write;
 			this_write = min(write_len, max_write);
 			ret = send_write(xprt, rqstp,
-					 arg_ch->rs_handle,
+					 ntohl(arg_ch->rs_handle),
 					 rs_offset + chunk_off,
 					 xdr_off,
 					 this_write,
@@ -457,6 +457,7 @@ static int send_reply_chunks(struct svcxprt_rdma *xprt,
 	u32 xdr_off;
 	int chunk_no;
 	int chunk_off;
+	int nchunks;
 	struct rpcrdma_segment *ch;
 	struct rpcrdma_write_array *arg_ary;
 	struct rpcrdma_write_array *res_ary;
@@ -476,26 +477,27 @@ static int send_reply_chunks(struct svcxprt_rdma *xprt,
 		max_write = xprt->sc_max_sge * PAGE_SIZE;
 
 	/* xdr offset starts at RPC message */
+	nchunks = ntohl(arg_ary->wc_nchunks);
 	for (xdr_off = 0, chunk_no = 0;
-	     xfer_len && chunk_no < arg_ary->wc_nchunks;
+	     xfer_len && chunk_no < nchunks;
 	     chunk_no++) {
 		u64 rs_offset;
 		ch = &arg_ary->wc_array[chunk_no].wc_target;
-		write_len = min(xfer_len, ch->rs_length);
+		write_len = min(xfer_len, htonl(ch->rs_length));
 
 		/* Prepare the reply chunk given the length actually
 		 * written */
-		rs_offset = get_unaligned(&(ch->rs_offset));
+		xdr_decode_hyper((__be32 *)&ch->rs_offset, &rs_offset);
 		svc_rdma_xdr_encode_array_chunk(res_ary, chunk_no,
-					    ch->rs_handle, rs_offset,
-					    write_len);
+						ch->rs_handle, ch->rs_offset,
+						write_len);
 		chunk_off = 0;
 		while (write_len) {
 			int this_write;
 
 			this_write = min(write_len, max_write);
 			ret = send_write(xprt, rqstp,
-					 ch->rs_handle,
+					 ntohl(ch->rs_handle),
 					 rs_offset + chunk_off,
 					 xdr_off,
 					 this_write,
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 894cb42db91d..73b428bef598 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -51,6 +51,7 @@
 #include <rdma/rdma_cm.h>
 #include <linux/sunrpc/svc_rdma.h>
 #include <linux/export.h>
+#include "xprt_rdma.h"
 
 #define RPCDBG_FACILITY	RPCDBG_SVCXPRT
 
@@ -90,12 +91,6 @@ struct svc_xprt_class svc_rdma_class = {
 	.xcl_max_payload = RPCSVC_MAXPAYLOAD_TCP,
 };
 
-/* WR context cache. Created in svc_rdma.c  */
-extern struct kmem_cache *svc_rdma_ctxt_cachep;
-
-/* Workqueue created in svc_rdma.c */
-extern struct workqueue_struct *svc_rdma_wq;
-
 struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *xprt)
 {
 	struct svc_rdma_op_ctxt *ctxt;
@@ -150,9 +145,6 @@ void svc_rdma_put_context(struct svc_rdma_op_ctxt *ctxt, int free_pages)
 	atomic_dec(&xprt->sc_ctxt_used);
 }
 
-/* Temporary NFS request map cache. Created in svc_rdma.c  */
-extern struct kmem_cache *svc_rdma_map_cachep;
-
 /*
  * Temporary NFS req mappings are shared across all transport
  * instances. These are short lived and should be bounded by the number
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 08c5d5a128fc..9a66c95b5837 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -343,4 +343,11 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *);
  */
 int rpcrdma_marshal_req(struct rpc_rqst *);
 
+/* Temporary NFS request map cache. Created in svc_rdma.c  */
+extern struct kmem_cache *svc_rdma_map_cachep;
+/* WR context cache. Created in svc_rdma.c  */
+extern struct kmem_cache *svc_rdma_ctxt_cachep;
+/* Workqueue created in svc_rdma.c */
+extern struct workqueue_struct *svc_rdma_wq;
+
 #endif				/* _LINUX_SUNRPC_XPRT_RDMA_H */
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 92bc5181dbeb..890b03f8d877 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2475,6 +2475,7 @@ static struct rpc_xprt_ops xs_tcp_ops = {
 static struct rpc_xprt_ops bc_tcp_ops = {
 	.reserve_xprt		= xprt_reserve_xprt,
 	.release_xprt		= xprt_release_xprt,
+	.rpcbind		= xs_local_rpcbind,
 	.buf_alloc		= bc_malloc,
 	.buf_free		= bc_free,
 	.send_request		= bc_send_request,
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 39765bcfb472..920cabe0461b 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -13,12 +13,6 @@
 #include "core.h"
 #include "debugfs.h"
 
-static int cfg80211_open_file_generic(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\
 static ssize_t name## _read(struct file *file, char __user *userbuf,	\
 			    size_t count, loff_t *ppos)			\
@@ -33,7 +27,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf,	\
 									\
 static const struct file_operations name## _ops = {			\
 	.read = name## _read,						\
-	.open = cfg80211_open_file_generic,				\
+	.open = simple_open,						\
 	.llseek = generic_file_llseek,					\
 };
 
@@ -102,7 +96,7 @@ static ssize_t ht40allow_map_read(struct file *file,
 
 static const struct file_operations ht40allow_map_ops = {
 	.read = ht40allow_map_read,
-	.open = cfg80211_open_file_generic,
+	.open = simple_open,
 	.llseek = default_llseek,
 };