Merge branch 'master' into for-next

Fast-forward merge with Linus to be able to merge patches
based on more recent version of the tree.

119 files changed, 940 insertions, 447 deletions

diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 5f27f8e30254..f1f2f7bb6661 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -167,6 +167,8 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
 	if (unlikely(!skb))
 		goto err_free;
 
+	skb_reset_network_header(skb);
+	skb_reset_transport_header(skb);
 	return skb;
 
 err_free:
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 934e221c1d07..9d40a071d038 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -695,7 +695,7 @@ void vlan_setup(struct net_device *dev)
 	ether_setup(dev);
 
 	dev->priv_flags		|= IFF_802_1Q_VLAN;
-	dev->priv_flags		&= ~IFF_XMIT_DST_RELEASE;
+	dev->priv_flags		&= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
 	dev->tx_queue_len	= 0;
 
 	dev->netdev_ops		= &vlan_netdev_ops;
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 175b5135bdcf..e317583fcc73 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -263,7 +263,6 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 {
 	int in, out, inp, outp;
 	struct virtio_chan *chan = client->trans;
-	char *rdata = (char *)req->rc+sizeof(struct p9_fcall);
 	unsigned long flags;
 	size_t pdata_off = 0;
 	struct trans_rpage_info *rpinfo = NULL;
@@ -346,7 +345,8 @@ req_retry_pinned:
 		 * Arrange in such a way that server places header in the
 		 * alloced memory and payload onto the user buffer.
 		 */
-		inp = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata, 11);
+		inp = pack_sg_list(chan->sg, out,
+				   VIRTQUEUE_NUM, req->rc->sdata, 11);
 		/*
 		 * Running executables in the filesystem may result in
 		 * a read request with kernel buffer as opposed to user buffer.
@@ -366,8 +366,8 @@ req_retry_pinned:
 		}
 		in += inp;
 	} else {
-		in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata,
-				req->rc->capacity);
+		in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM,
+				  req->rc->sdata, req->rc->capacity);
 	}
 
 	err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
@@ -592,7 +592,14 @@ static struct p9_trans_module p9_virtio_trans = {
 	.close = p9_virtio_close,
 	.request = p9_virtio_request,
 	.cancel = p9_virtio_cancel,
-	.maxsize = PAGE_SIZE*VIRTQUEUE_NUM,
+
+	/*
+	 * We leave one entry for input and one entry for response
+	 * headers. We also skip one more entry to accomodate, address
+	 * that are not at page boundary, that can result in an extra
+	 * page in zero copy.
+	 */
+	.maxsize = PAGE_SIZE * (VIRTQUEUE_NUM - 3),
 	.pref = P9_TRANS_PREF_PAYLOAD_SEP,
 	.def = 0,
 	.owner = THIS_MODULE,
diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
index fc63526d8695..f41f02656ff4 100644
--- a/net/atm/atm_misc.c
+++ b/net/atm/atm_misc.c
@@ -9,7 +9,7 @@
 #include <linux/sonet.h>
 #include <linux/bitops.h>
 #include <linux/errno.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 int atm_charge(struct atm_vcc *vcc, int truesize)
 {
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 2252c2085dac..d07223c834af 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -242,8 +242,6 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
 		if (brdev->payload == p_bridged) {
 			skb_push(skb, 2);
 			memset(skb->data, 0, 2);
-		} else { /* p_routed */
-			skb_pull(skb, ETH_HLEN);
 		}
 	}
 	skb_debug(skb);
@@ -560,12 +558,13 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
 	spin_unlock_irqrestore(&rq->lock, flags);
 
 	skb_queue_walk_safe(&queue, skb, tmp) {
-		struct net_device *dev = skb->dev;
+		struct net_device *dev;
+
+		br2684_push(atmvcc, skb);
+		dev = skb->dev;
 
 		dev->stats.rx_bytes -= skb->len;
 		dev->stats.rx_packets--;
-
-		br2684_push(atmvcc, skb);
 	}
 
 	/* initialize netdev carrier state */
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 4bc8c67ecb14..852394072fa1 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -37,7 +37,7 @@
 #include <linux/uaccess.h>
 #include <asm/byteorder.h> /* for htons etc. */
 #include <asm/system.h> /* save/restore_flags */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "common.h"
 #include "resources.h"
diff --git a/net/atm/common.c b/net/atm/common.c
index 22b963d06a10..14ff9fe39989 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -23,7 +23,7 @@
 #include <linux/uaccess.h>
 #include <linux/poll.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "resources.h"		/* atm_find_dev */
 #include "common.h"		/* prototypes */
diff --git a/net/atm/lec.c b/net/atm/lec.c
index ba48daa68c1f..215c9fad7cdf 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1335,7 +1335,7 @@ static void lane2_associate_ind(struct net_device *dev, const u8 *mac_addr,
 #include <linux/types.h>
 #include <linux/timer.h>
 #include <linux/param.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/inetdevice.h>
 #include <net/route.h>
 
diff --git a/net/atm/proc.c b/net/atm/proc.c
index be3afdefec58..0d020de8d233 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -27,7 +27,7 @@
 #include <net/atmclip.h>
 #include <linux/uaccess.h>
 #include <linux/param.h> /* for HZ */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include "resources.h"
 #include "common.h" /* atm_proc_init prototype */
 #include "signaling.h" /* to get sigd - ugly too */
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8add9b499912..117e0d161780 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -494,9 +494,8 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
 	BT_DBG("sk %p", sk);
 
 	add_wait_queue(sk_sleep(sk), &wait);
+	set_current_state(TASK_INTERRUPTIBLE);
 	while (sk->sk_state != state) {
-		set_current_state(TASK_INTERRUPTIBLE);
-
 		if (!timeo) {
 			err = -EINPROGRESS;
 			break;
@@ -510,12 +509,13 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
 		release_sock(sk);
 		timeo = schedule_timeout(timeo);
 		lock_sock(sk);
+		set_current_state(TASK_INTERRUPTIBLE);
 
 		err = sock_error(sk);
 		if (err)
 			break;
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 	return err;
 }
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index 8e6c06158f8e..e7ee5314f39a 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -155,6 +155,7 @@ struct bnep_session {
 	unsigned int  role;
 	unsigned long state;
 	unsigned long flags;
+	atomic_t      terminate;
 	struct task_struct *task;
 
 	struct ethhdr eh;
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ca39fcf010ce..d9edfe8bf9d6 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -484,9 +484,11 @@ static int bnep_session(void *arg)
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(sk_sleep(sk), &wait);
-	while (!kthread_should_stop()) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
+		if (atomic_read(&s->terminate))
+			break;
 		/* RX */
 		while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
 			skb_orphan(skb);
@@ -504,7 +506,7 @@ static int bnep_session(void *arg)
 
 		schedule();
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 
 	/* Cleanup session */
@@ -640,9 +642,10 @@ int bnep_del_connection(struct bnep_conndel_req *req)
 	down_read(&bnep_session_sem);
 
 	s = __bnep_get_session(req->dst);
-	if (s)
-		kthread_stop(s->task);
-	else
+	if (s) {
+		atomic_inc(&s->terminate);
+		wake_up_process(s->task);
+	} else
 		err = -ENOENT;
 
 	up_read(&bnep_session_sem);
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index 8c100c9dae28..d4f5dff7c955 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -231,6 +231,7 @@ void bnep_net_setup(struct net_device *dev)
 	dev->addr_len = ETH_ALEN;
 
 	ether_setup(dev);
+	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
 	dev->netdev_ops = &bnep_netdev_ops;
 
 	dev->watchdog_timeo  = HZ * 2;
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 040f67b12978..50f0d135eb8f 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -386,7 +386,8 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
 
 	capi_ctr_down(ctrl);
 
-	kthread_stop(session->task);
+	atomic_inc(&session->terminate);
+	wake_up_process(session->task);
 }
 
 static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)
diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h
index db43b54ac9af..c32638dddbf9 100644
--- a/net/bluetooth/cmtp/cmtp.h
+++ b/net/bluetooth/cmtp/cmtp.h
@@ -81,6 +81,7 @@ struct cmtp_session {
 
 	char name[BTNAMSIZ];
 
+	atomic_t terminate;
 	struct task_struct *task;
 
 	wait_queue_head_t wait;
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index c5b11af908be..521baa4fe835 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -292,9 +292,11 @@ static int cmtp_session(void *arg)
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(sk_sleep(sk), &wait);
-	while (!kthread_should_stop()) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
+		if (atomic_read(&session->terminate))
+			break;
 		if (sk->sk_state != BT_CONNECTED)
 			break;
 
@@ -307,7 +309,7 @@ static int cmtp_session(void *arg)
 
 		schedule();
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 
 	down_write(&cmtp_session_sem);
@@ -380,16 +382,17 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
 
 	if (!(session->flags & (1 << CMTP_LOOPBACK))) {
 		err = cmtp_attach_device(session);
-		if (err < 0)
-			goto detach;
+		if (err < 0) {
+			atomic_inc(&session->terminate);
+			wake_up_process(session->task);
+			up_write(&cmtp_session_sem);
+			return err;
+		}
 	}
 
 	up_write(&cmtp_session_sem);
 	return 0;
 
-detach:
-	cmtp_detach_device(session);
-
 unlink:
 	__cmtp_unlink_session(session);
 
@@ -414,7 +417,8 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
 		skb_queue_purge(&session->transmit);
 
 		/* Stop session thread */
-		kthread_stop(session->task);
+		atomic_inc(&session->terminate);
+		wake_up_process(session->task);
 	} else
 		err = -ENOENT;
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ec0bc3f60f2e..56943add45cc 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1209,7 +1209,6 @@ static void hci_cmd_timer(unsigned long arg)
 
 	BT_ERR("%s command tx timeout", hdev->name);
 	atomic_set(&hdev->cmd_cnt, 1);
-	clear_bit(HCI_RESET, &hdev->flags);
 	tasklet_schedule(&hdev->cmd_task);
 }
 
@@ -1327,7 +1326,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
 
 	entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
 	if (!entry) {
-		return -ENOMEM;
+		err = -ENOMEM;
 		goto err;
 	}
 
@@ -2408,7 +2407,10 @@ static void hci_cmd_task(unsigned long arg)
 		if (hdev->sent_cmd) {
 			atomic_dec(&hdev->cmd_cnt);
 			hci_send_frame(skb);
-			mod_timer(&hdev->cmd_timer,
+			if (test_bit(HCI_RESET, &hdev->flags))
+				del_timer(&hdev->cmd_timer);
+			else
+				mod_timer(&hdev->cmd_timer,
 				  jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT));
 		} else {
 			skb_queue_head(&hdev->cmd_q, skb);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 43b4c2deb7cc..fb68f344c34a 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -764,6 +764,7 @@ static int hidp_session(void *arg)
 
 	up_write(&hidp_session_sem);
 
+	kfree(session->rd_data);
 	kfree(session);
 	return 0;
 }
@@ -841,7 +842,8 @@ static int hidp_setup_input(struct hidp_session *session,
 
 	err = input_register_device(input);
 	if (err < 0) {
-		hci_conn_put_device(session->conn);
+		input_free_device(input);
+		session->input = NULL;
 		return err;
 	}
 
@@ -1044,8 +1046,12 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
 	}
 
 	err = hid_add_device(session->hid);
-	if (err < 0)
-		goto err_add_device;
+	if (err < 0) {
+		atomic_inc(&session->terminate);
+		wake_up_process(session->task);
+		up_write(&hidp_session_sem);
+		return err;
+	}
 
 	if (session->input) {
 		hidp_send_ctrl_message(session,
@@ -1059,12 +1065,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
 	up_write(&hidp_session_sem);
 	return 0;
 
-err_add_device:
-	hid_destroy_device(session->hid);
-	session->hid = NULL;
-	atomic_inc(&session->terminate);
-	wake_up_process(session->task);
-
 unlink:
 	hidp_del_timer(session);
 
@@ -1090,7 +1090,6 @@ purge:
 failed:
 	up_write(&hidp_session_sem);
 
-	input_free_device(session->input);
 	kfree(session);
 	return err;
 }
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3204ba8a701c..b3bdb482bbe6 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1159,9 +1159,8 @@ int __l2cap_wait_ack(struct sock *sk)
 	int timeo = HZ/5;
 
 	add_wait_queue(sk_sleep(sk), &wait);
-	while ((chan->unacked_frames > 0 && chan->conn)) {
-		set_current_state(TASK_INTERRUPTIBLE);
-
+	set_current_state(TASK_INTERRUPTIBLE);
+	while (chan->unacked_frames > 0 && chan->conn) {
 		if (!timeo)
 			timeo = HZ/5;
 
@@ -1173,6 +1172,7 @@ int __l2cap_wait_ack(struct sock *sk)
 		release_sock(sk);
 		timeo = schedule_timeout(timeo);
 		lock_sock(sk);
+		set_current_state(TASK_INTERRUPTIBLE);
 
 		err = sock_error(sk);
 		if (err)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 5c36b3e8739c..61f1f623091d 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -235,30 +235,26 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
 
 	lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
 
-	if (sk->sk_state != BT_LISTEN) {
-		err = -EBADFD;
-		goto done;
-	}
-
 	timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
 
 	BT_DBG("sk %p timeo %ld", sk, timeo);
 
 	/* Wait for an incoming connection. (wake-one). */
 	add_wait_queue_exclusive(sk_sleep(sk), &wait);
-	while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
-		if (!timeo) {
-			err = -EAGAIN;
+
+		if (sk->sk_state != BT_LISTEN) {
+			err = -EBADFD;
 			break;
 		}
 
-		release_sock(sk);
-		timeo = schedule_timeout(timeo);
-		lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+		nsk = bt_accept_dequeue(sk, newsock);
+		if (nsk)
+			break;
 
-		if (sk->sk_state != BT_LISTEN) {
-			err = -EBADFD;
+		if (!timeo) {
+			err = -EAGAIN;
 			break;
 		}
 
@@ -266,8 +262,12 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
 			err = sock_intr_errno(timeo);
 			break;
 		}
+
+		release_sock(sk);
+		timeo = schedule_timeout(timeo);
+		lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 
 	if (err)
@@ -993,7 +993,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 	INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
 
 	sk->sk_destruct = l2cap_sock_destruct;
-	sk->sk_sndtimeo = msecs_to_jiffies(L2CAP_CONN_TIMEOUT);
+	sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
 
 	sock_reset_flag(sk, SOCK_ZAPPED);
 
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 5759bb7054f7..5ba3f6df665c 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -62,7 +62,6 @@ static DEFINE_MUTEX(rfcomm_mutex);
 #define rfcomm_lock()	mutex_lock(&rfcomm_mutex)
 #define rfcomm_unlock()	mutex_unlock(&rfcomm_mutex)
 
-static unsigned long rfcomm_event;
 
 static LIST_HEAD(session_list);
 
@@ -120,7 +119,6 @@ static inline void rfcomm_schedule(void)
 {
 	if (!rfcomm_thread)
 		return;
-	set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
 	wake_up_process(rfcomm_thread);
 }
 
@@ -2038,19 +2036,18 @@ static int rfcomm_run(void *unused)
 
 	rfcomm_add_listener(BDADDR_ANY);
 
-	while (!kthread_should_stop()) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
-		if (!test_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event)) {
-			/* No pending events. Let's sleep.
-			 * Incoming connections and data will wake us up. */
-			schedule();
-		}
-		set_current_state(TASK_RUNNING);
+
+		if (kthread_should_stop())
+			break;
 
 		/* Process stuff */
-		clear_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
 		rfcomm_process_sessions();
+
+		schedule();
 	}
+	__set_current_state(TASK_RUNNING);
 
 	rfcomm_kill_listener();
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8f01e6b11a70..482722bbc7a0 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -485,11 +485,6 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
 
 	lock_sock(sk);
 
-	if (sk->sk_state != BT_LISTEN) {
-		err = -EBADFD;
-		goto done;
-	}
-
 	if (sk->sk_type != SOCK_STREAM) {
 		err = -EINVAL;
 		goto done;
@@ -501,19 +496,20 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
 
 	/* Wait for an incoming connection. (wake-one). */
 	add_wait_queue_exclusive(sk_sleep(sk), &wait);
-	while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
-		if (!timeo) {
-			err = -EAGAIN;
+
+		if (sk->sk_state != BT_LISTEN) {
+			err = -EBADFD;
 			break;
 		}
 
-		release_sock(sk);
-		timeo = schedule_timeout(timeo);
-		lock_sock(sk);
+		nsk = bt_accept_dequeue(sk, newsock);
+		if (nsk)
+			break;
 
-		if (sk->sk_state != BT_LISTEN) {
-			err = -EBADFD;
+		if (!timeo) {
+			err = -EAGAIN;
 			break;
 		}
 
@@ -521,8 +517,12 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
 			err = sock_intr_errno(timeo);
 			break;
 		}
+
+		release_sock(sk);
+		timeo = schedule_timeout(timeo);
+		lock_sock(sk);
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 
 	if (err)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 4c3621b5e0aa..8270f05e3f1f 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -564,30 +564,26 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
 
 	lock_sock(sk);
 
-	if (sk->sk_state != BT_LISTEN) {
-		err = -EBADFD;
-		goto done;
-	}
-
 	timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
 
 	BT_DBG("sk %p timeo %ld", sk, timeo);
 
 	/* Wait for an incoming connection. (wake-one). */
 	add_wait_queue_exclusive(sk_sleep(sk), &wait);
-	while (!(ch = bt_accept_dequeue(sk, newsock))) {
+	while (1) {
 		set_current_state(TASK_INTERRUPTIBLE);
-		if (!timeo) {
-			err = -EAGAIN;
+
+		if (sk->sk_state != BT_LISTEN) {
+			err = -EBADFD;
 			break;
 		}
 
-		release_sock(sk);
-		timeo = schedule_timeout(timeo);
-		lock_sock(sk);
+		ch = bt_accept_dequeue(sk, newsock);
+		if (ch)
+			break;
 
-		if (sk->sk_state != BT_LISTEN) {
-			err = -EBADFD;
+		if (!timeo) {
+			err = -EAGAIN;
 			break;
 		}
 
@@ -595,8 +591,12 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
 			err = sock_intr_errno(timeo);
 			break;
 		}
+
+		release_sock(sk);
+		timeo = schedule_timeout(timeo);
+		lock_sock(sk);
 	}
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(sk_sleep(sk), &wait);
 
 	if (err)
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index e0dfbc151dd7..68def3b7fb49 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -21,7 +21,7 @@
 #include <linux/jhash.h>
 #include <linux/random.h>
 #include <linux/slab.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/unaligned.h>
 #include "br_private.h"
 
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 3176e2e13d9b..e73815456adf 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -231,6 +231,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
 int br_add_bridge(struct net *net, const char *name)
 {
 	struct net_device *dev;
+	int res;
 
 	dev = alloc_netdev(sizeof(struct net_bridge), name,
 			   br_dev_setup);
@@ -240,7 +241,10 @@ int br_add_bridge(struct net *net, const char *name)
 
 	dev_net_set(dev, net);
 
-	return register_netdev(dev);
+	res = register_netdev(dev);
+	if (res)
+		free_netdev(dev);
+	return res;
 }
 
 int br_del_bridge(struct net *net, const char *name)
@@ -417,6 +421,7 @@ put_back:
 int br_del_if(struct net_bridge *br, struct net_device *dev)
 {
 	struct net_bridge_port *p;
+	bool changed_addr;
 
 	p = br_port_get_rtnl(dev);
 	if (!p || p->br != br)
@@ -425,9 +430,12 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
 	del_nbp(p);
 
 	spin_lock_bh(&br->lock);
-	br_stp_recalculate_bridge_id(br);
+	changed_addr = br_stp_recalculate_bridge_id(br);
 	spin_unlock_bh(&br->lock);
 
+	if (changed_addr)
+		call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
+
 	netdev_update_features(br->dev);
 
 	return 0;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2d85ca7111d3..995cbe0ac0b2 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1456,7 +1456,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 {
 	struct sk_buff *skb2;
 	const struct ipv6hdr *ip6h;
-	struct icmp6hdr *icmp6h;
+	u8 icmp6_type;
 	u8 nexthdr;
 	unsigned len;
 	int offset;
@@ -1502,9 +1502,9 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 	__skb_pull(skb2, offset);
 	skb_reset_transport_header(skb2);
 
-	icmp6h = icmp6_hdr(skb2);
+	icmp6_type = icmp6_hdr(skb2)->icmp6_type;
 
-	switch (icmp6h->icmp6_type) {
+	switch (icmp6_type) {
 	case ICMPV6_MGM_QUERY:
 	case ICMPV6_MGM_REPORT:
 	case ICMPV6_MGM_REDUCTION:
@@ -1520,16 +1520,23 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 		err = pskb_trim_rcsum(skb2, len);
 		if (err)
 			goto out;
+		err = -EINVAL;
 	}
 
+	ip6h = ipv6_hdr(skb2);
+
 	switch (skb2->ip_summed) {
 	case CHECKSUM_COMPLETE:
-		if (!csum_fold(skb2->csum))
+		if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, skb2->len,
+					IPPROTO_ICMPV6, skb2->csum))
 			break;
 		/*FALLTHROUGH*/
 	case CHECKSUM_NONE:
-		skb2->csum = 0;
-		if (skb_checksum_complete(skb2))
+		skb2->csum = ~csum_unfold(csum_ipv6_magic(&ip6h->saddr,
+							&ip6h->daddr,
+							skb2->len,
+							IPPROTO_ICMPV6, 0));
+		if (__skb_checksum_complete(skb2))
 			goto out;
 	}
 
@@ -1537,7 +1544,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
 
 	BR_INPUT_SKB_CB(skb)->igmp = 1;
 
-	switch (icmp6h->icmp6_type) {
+	switch (icmp6_type) {
 	case ICMPV6_MGM_REPORT:
 	    {
 		struct mld_msg *mld;
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 6545ee9591d1..a76b62135558 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -34,6 +34,7 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
 	struct net_device *dev = ptr;
 	struct net_bridge_port *p;
 	struct net_bridge *br;
+	bool changed_addr;
 	int err;
 
 	/* register of bridge completed, add sysfs entries */
@@ -57,8 +58,12 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
 	case NETDEV_CHANGEADDR:
 		spin_lock_bh(&br->lock);
 		br_fdb_changeaddr(p, dev->dev_addr);
-		br_stp_recalculate_bridge_id(br);
+		changed_addr = br_stp_recalculate_bridge_id(br);
 		spin_unlock_bh(&br->lock);
+
+		if (changed_addr)
+			call_netdevice_notifiers(NETDEV_CHANGEADDR, br->dev);
+
 		break;
 
 	case NETDEV_CHANGE:
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 2b5ca1a0054d..5864cc491369 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1198,7 +1198,8 @@ ebt_register_table(struct net *net, const struct ebt_table *input_table)
 
 	if (table->check && table->check(newinfo, table->valid_hooks)) {
 		BUGPRINT("The table doesn't like its own initial data, lol\n");
-		return ERR_PTR(-EINVAL);
+		ret = -EINVAL;
+		goto free_chainstack;
 	}
 
 	table->private = newinfo;
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 78b55f49de7c..c340e2e0765b 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -486,13 +486,10 @@ static void prepare_write_message(struct ceph_connection *con)
 	m = list_first_entry(&con->out_queue,
 		       struct ceph_msg, list_head);
 	con->out_msg = m;
-	if (test_bit(LOSSYTX, &con->state)) {
-		list_del_init(&m->list_head);
-	} else {
-		/* put message on sent list */
-		ceph_msg_get(m);
-		list_move_tail(&m->list_head, &con->out_sent);
-	}
+
+	/* put message on sent list */
+	ceph_msg_get(m);
+	list_move_tail(&m->list_head, &con->out_sent);
 
 	/*
 	 * only assign outgoing seq # if we haven't sent this message
@@ -1399,6 +1396,7 @@ static void process_ack(struct ceph_connection *con)
 			break;
 		dout("got ack for seq %llu type %d at %p\n", seq,
 		     le16_to_cpu(m->hdr.type), m);
+		m->ack_stamp = jiffies;
 		ceph_msg_remove(m);
 	}
 	prepare_read_tag(con);
diff --git a/net/ceph/msgpool.c b/net/ceph/msgpool.c
index d5f2d97ac05c..1f4cb30a42c5 100644
--- a/net/ceph/msgpool.c
+++ b/net/ceph/msgpool.c
@@ -7,27 +7,37 @@
 
 #include <linux/ceph/msgpool.h>
 
-static void *alloc_fn(gfp_t gfp_mask, void *arg)
+static void *msgpool_alloc(gfp_t gfp_mask, void *arg)
 {
 	struct ceph_msgpool *pool = arg;
-	void *p;
+	struct ceph_msg *msg;
 
-	p = ceph_msg_new(0, pool->front_len, gfp_mask);
-	if (!p)
-		pr_err("msgpool %s alloc failed\n", pool->name);
-	return p;
+	msg = ceph_msg_new(0, pool->front_len, gfp_mask);
+	if (!msg) {
+		dout("msgpool_alloc %s failed\n", pool->name);
+	} else {
+		dout("msgpool_alloc %s %p\n", pool->name, msg);
+		msg->pool = pool;
+	}
+	return msg;
 }
 
-static void free_fn(void *element, void *arg)
+static void msgpool_free(void *element, void *arg)
 {
-	ceph_msg_put(element);
+	struct ceph_msgpool *pool = arg;
+	struct ceph_msg *msg = element;
+
+	dout("msgpool_release %s %p\n", pool->name, msg);
+	msg->pool = NULL;
+	ceph_msg_put(msg);
 }
 
 int ceph_msgpool_init(struct ceph_msgpool *pool,
 		      int front_len, int size, bool blocking, const char *name)
 {
+	dout("msgpool %s init\n", name);
 	pool->front_len = front_len;
-	pool->pool = mempool_create(size, alloc_fn, free_fn, pool);
+	pool->pool = mempool_create(size, msgpool_alloc, msgpool_free, pool);
 	if (!pool->pool)
 		return -ENOMEM;
 	pool->name = name;
@@ -36,14 +46,17 @@ int ceph_msgpool_init(struct ceph_msgpool *pool,
 
 void ceph_msgpool_destroy(struct ceph_msgpool *pool)
 {
+	dout("msgpool %s destroy\n", pool->name);
 	mempool_destroy(pool->pool);
 }
 
 struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 				  int front_len)
 {
+	struct ceph_msg *msg;
+
 	if (front_len > pool->front_len) {
-		pr_err("msgpool_get pool %s need front %d, pool size is %d\n",
+		dout("msgpool_get %s need front %d, pool size is %d\n",
 		       pool->name, front_len, pool->front_len);
 		WARN_ON(1);
 
@@ -51,14 +64,19 @@ struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool,
 		return ceph_msg_new(0, front_len, GFP_NOFS);
 	}
 
-	return mempool_alloc(pool->pool, GFP_NOFS);
+	msg = mempool_alloc(pool->pool, GFP_NOFS);
+	dout("msgpool_get %s %p\n", pool->name, msg);
+	return msg;
 }
 
 void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
 {
+	dout("msgpool_put %s %p\n", pool->name, msg);
+
 	/* reset msg front_len; user may have changed it */
 	msg->front.iov_len = pool->front_len;
 	msg->hdr.front_len = cpu_to_le32(pool->front_len);
 
 	kref_init(&msg->kref);  /* retake single ref */
+	mempool_free(msg, pool->pool);
 }
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 7330c2757c0c..16836a7df7a6 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -685,6 +685,18 @@ static void __remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
 	put_osd(osd);
 }
 
+static void remove_all_osds(struct ceph_osd_client *osdc)
+{
+	dout("__remove_old_osds %p\n", osdc);
+	mutex_lock(&osdc->request_mutex);
+	while (!RB_EMPTY_ROOT(&osdc->osds)) {
+		struct ceph_osd *osd = rb_entry(rb_first(&osdc->osds),
+						struct ceph_osd, o_node);
+		__remove_osd(osdc, osd);
+	}
+	mutex_unlock(&osdc->request_mutex);
+}
+
 static void __move_osd_to_lru(struct ceph_osd_client *osdc,
 			      struct ceph_osd *osd)
 {
@@ -701,14 +713,14 @@ static void __remove_osd_from_lru(struct ceph_osd *osd)
 		list_del_init(&osd->o_osd_lru);
 }
 
-static void remove_old_osds(struct ceph_osd_client *osdc, int remove_all)
+static void remove_old_osds(struct ceph_osd_client *osdc)
 {
 	struct ceph_osd *osd, *nosd;
 
 	dout("__remove_old_osds %p\n", osdc);
 	mutex_lock(&osdc->request_mutex);
 	list_for_each_entry_safe(osd, nosd, &osdc->osd_lru, o_osd_lru) {
-		if (!remove_all && time_before(jiffies, osd->lru_ttl))
+		if (time_before(jiffies, osd->lru_ttl))
 			break;
 		__remove_osd(osdc, osd);
 	}
@@ -751,6 +763,7 @@ static void __insert_osd(struct ceph_osd_client *osdc, struct ceph_osd *new)
 	struct rb_node *parent = NULL;
 	struct ceph_osd *osd = NULL;
 
+	dout("__insert_osd %p osd%d\n", new, new->o_osd);
 	while (*p) {
 		parent = *p;
 		osd = rb_entry(parent, struct ceph_osd, o_node);
@@ -1085,9 +1098,15 @@ static void handle_timeout(struct work_struct *work)
 		req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
 				 r_req_lru_item);
 
+		/* hasn't been long enough since we sent it? */
 		if (time_before(jiffies, req->r_stamp + timeout))
 			break;
 
+		/* hasn't been long enough since it was acked? */
+		if (req->r_request->ack_stamp == 0 ||
+		    time_before(jiffies, req->r_request->ack_stamp + timeout))
+			break;
+
 		BUG_ON(req == last_req && req->r_stamp == last_stamp);
 		last_req = req;
 		last_stamp = req->r_stamp;
@@ -1138,7 +1157,7 @@ static void handle_osds_timeout(struct work_struct *work)
 
 	dout("osds timeout\n");
 	down_read(&osdc->map_sem);
-	remove_old_osds(osdc, 0);
+	remove_old_osds(osdc);
 	up_read(&osdc->map_sem);
 
 	schedule_delayed_work(&osdc->osds_timeout_work,
@@ -1856,8 +1875,7 @@ void ceph_osdc_stop(struct ceph_osd_client *osdc)
 		ceph_osdmap_destroy(osdc->osdmap);
 		osdc->osdmap = NULL;
 	}
-	remove_old_osds(osdc, 1);
-	WARN_ON(!RB_EMPTY_ROOT(&osdc->osds));
+	remove_all_osds(osdc);
 	mempool_destroy(osdc->req_mempool);
 	ceph_msgpool_destroy(&osdc->msgpool_op);
 	ceph_msgpool_destroy(&osdc->msgpool_op_reply);
diff --git a/net/core/Makefile b/net/core/Makefile
index 8a04dd22cf77..0d357b1c4e57 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y := sock.o request_sock.o skbuff.o iovec.o datagram.o stream.o scm.o \
-	 gen_stats.o gen_estimator.o net_namespace.o
+	 gen_stats.o gen_estimator.o net_namespace.o secure_seq.o
 
 obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 9444c5cb4137..17d67b579beb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4497,10 +4497,10 @@ void __dev_set_rx_mode(struct net_device *dev)
 		 */
 		if (!netdev_uc_empty(dev) && !dev->uc_promisc) {
 			__dev_set_promiscuity(dev, 1);
-			dev->uc_promisc = 1;
+			dev->uc_promisc = true;
 		} else if (netdev_uc_empty(dev) && dev->uc_promisc) {
 			__dev_set_promiscuity(dev, -1);
-			dev->uc_promisc = 0;
+			dev->uc_promisc = false;
 		}
 
 		if (ops->ndo_set_multicast_list)
diff --git a/net/core/flow.c b/net/core/flow.c
index 990703b8863b..bf32c33cad3b 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -22,7 +22,7 @@
 #include <linux/cpumask.h>
 #include <linux/mutex.h>
 #include <net/flow.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <linux/security.h>
 
 struct flow_cache_entry {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 8fab9b0bb203..1334d7e56f02 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1319,11 +1319,15 @@ static void neigh_proxy_process(unsigned long arg)
 
 		if (tdif <= 0) {
 			struct net_device *dev = skb->dev;
+
 			__skb_unlink(skb, &tbl->proxy_queue);
-			if (tbl->proxy_redo && netif_running(dev))
+			if (tbl->proxy_redo && netif_running(dev)) {
+				rcu_read_lock();
 				tbl->proxy_redo(skb);
-			else
+				rcu_read_unlock();
+			} else {
 				kfree_skb(skb);
+			}
 
 			dev_put(dev);
 		} else if (!sched_next || tdif < sched_next)
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index adf84dd8c7b5..52622517e0d8 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -558,13 +558,14 @@ int __netpoll_rx(struct sk_buff *skb)
 	if (skb_shared(skb))
 		goto out;
 
-	iph = (struct iphdr *)skb->data;
 	if (!pskb_may_pull(skb, sizeof(struct iphdr)))
 		goto out;
+	iph = (struct iphdr *)skb->data;
 	if (iph->ihl < 5 || iph->version != 4)
 		goto out;
 	if (!pskb_may_pull(skb, iph->ihl*4))
 		goto out;
+	iph = (struct iphdr *)skb->data;
 	if (ip_fast_csum((u8 *)iph, iph->ihl) != 0)
 		goto out;
 
@@ -579,6 +580,7 @@ int __netpoll_rx(struct sk_buff *skb)
 	if (pskb_trim_rcsum(skb, len))
 		goto out;
 
+	iph = (struct iphdr *)skb->data;
 	if (iph->protocol != IPPROTO_UDP)
 		goto out;
 
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index f76079cd750c..e35a6fbb8110 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1070,7 +1070,9 @@ static ssize_t pktgen_if_write(struct file *file,
 		len = num_arg(&user_buffer[i], 10, &value);
 		if (len < 0)
 			return len;
-
+		if ((value > 0) &&
+		    (!(pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)))
+			return -ENOTSUPP;
 		i += len;
 		pkt_dev->clone_skb = value;
 
@@ -3555,7 +3557,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 	pkt_dev->min_pkt_size = ETH_ZLEN;
 	pkt_dev->max_pkt_size = ETH_ZLEN;
 	pkt_dev->nfrags = 0;
-	pkt_dev->clone_skb = pg_clone_skb_d;
 	pkt_dev->delay = pg_delay_d;
 	pkt_dev->count = pg_count_d;
 	pkt_dev->sofar = 0;
@@ -3563,7 +3564,6 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 	pkt_dev->udp_src_max = 9;
 	pkt_dev->udp_dst_min = 9;
 	pkt_dev->udp_dst_max = 9;
-
 	pkt_dev->vlan_p = 0;
 	pkt_dev->vlan_cfi = 0;
 	pkt_dev->vlan_id = 0xffff;
@@ -3575,6 +3575,8 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 	err = pktgen_setup_dev(pkt_dev, ifname);
 	if (err)
 		goto out1;
+	if (pkt_dev->odev->priv_flags & IFF_TX_SKB_SHARING)
+		pkt_dev->clone_skb = pg_clone_skb_d;
 
 	pkt_dev->entry = proc_create_data(ifname, 0600, pg_proc_dir,
 					  &pktgen_if_fops, pkt_dev);
diff --git a/net/core/scm.c b/net/core/scm.c
index 4c1ef026d695..811b53fb330e 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -192,7 +192,7 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
 					goto error;
 
 				cred->uid = cred->euid = p->creds.uid;
-				cred->gid = cred->egid = p->creds.uid;
+				cred->gid = cred->egid = p->creds.gid;
 				put_cred(p->cred);
 				p->cred = cred;
 			}
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
new file mode 100644
index 000000000000..45329d7c9dd9
--- /dev/null
+++ b/net/core/secure_seq.c
@@ -0,0 +1,184 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/cryptohash.h>
+#include <linux/module.h>
+#include <linux/cache.h>
+#include <linux/random.h>
+#include <linux/hrtimer.h>
+#include <linux/ktime.h>
+#include <linux/string.h>
+
+#include <net/secure_seq.h>
+
+static u32 net_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned;
+
+static int __init net_secret_init(void)
+{
+	get_random_bytes(net_secret, sizeof(net_secret));
+	return 0;
+}
+late_initcall(net_secret_init);
+
+static u32 seq_scale(u32 seq)
+{
+	/*
+	 *	As close as possible to RFC 793, which
+	 *	suggests using a 250 kHz clock.
+	 *	Further reading shows this assumes 2 Mb/s networks.
+	 *	For 10 Mb/s Ethernet, a 1 MHz clock is appropriate.
+	 *	For 10 Gb/s Ethernet, a 1 GHz clock should be ok, but
+	 *	we also need to limit the resolution so that the u32 seq
+	 *	overlaps less than one time per MSL (2 minutes).
+	 *	Choosing a clock of 64 ns period is OK. (period of 274 s)
+	 */
+	return seq + (ktime_to_ns(ktime_get_real()) >> 6);
+}
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+__u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr,
+				   __be16 sport, __be16 dport)
+{
+	u32 secret[MD5_MESSAGE_BYTES / 4];
+	u32 hash[MD5_DIGEST_WORDS];
+	u32 i;
+
+	memcpy(hash, saddr, 16);
+	for (i = 0; i < 4; i++)
+		secret[i] = net_secret[i] + daddr[i];
+	secret[4] = net_secret[4] +
+		(((__force u16)sport << 16) + (__force u16)dport);
+	for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+		secret[i] = net_secret[i];
+
+	md5_transform(hash, secret);
+
+	return seq_scale(hash[0]);
+}
+EXPORT_SYMBOL(secure_tcpv6_sequence_number);
+
+u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr,
+			       __be16 dport)
+{
+	u32 secret[MD5_MESSAGE_BYTES / 4];
+	u32 hash[MD5_DIGEST_WORDS];
+	u32 i;
+
+	memcpy(hash, saddr, 16);
+	for (i = 0; i < 4; i++)
+		secret[i] = net_secret[i] + (__force u32) daddr[i];
+	secret[4] = net_secret[4] + (__force u32)dport;
+	for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+		secret[i] = net_secret[i];
+
+	md5_transform(hash, secret);
+
+	return hash[0];
+}
+#endif
+
+#ifdef CONFIG_INET
+__u32 secure_ip_id(__be32 daddr)
+{
+	u32 hash[MD5_DIGEST_WORDS];
+
+	hash[0] = (__force __u32) daddr;
+	hash[1] = net_secret[13];
+	hash[2] = net_secret[14];
+	hash[3] = net_secret[15];
+
+	md5_transform(hash, net_secret);
+
+	return hash[0];
+}
+
+__u32 secure_ipv6_id(const __be32 daddr[4])
+{
+	__u32 hash[4];
+
+	memcpy(hash, daddr, 16);
+	md5_transform(hash, net_secret);
+
+	return hash[0];
+}
+
+__u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr,
+				 __be16 sport, __be16 dport)
+{
+	u32 hash[MD5_DIGEST_WORDS];
+
+	hash[0] = (__force u32)saddr;
+	hash[1] = (__force u32)daddr;
+	hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
+	hash[3] = net_secret[15];
+
+	md5_transform(hash, net_secret);
+
+	return seq_scale(hash[0]);
+}
+
+u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
+{
+	u32 hash[MD5_DIGEST_WORDS];
+
+	hash[0] = (__force u32)saddr;
+	hash[1] = (__force u32)daddr;
+	hash[2] = (__force u32)dport ^ net_secret[14];
+	hash[3] = net_secret[15];
+
+	md5_transform(hash, net_secret);
+
+	return hash[0];
+}
+EXPORT_SYMBOL_GPL(secure_ipv4_port_ephemeral);
+#endif
+
+#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
+u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr,
+				__be16 sport, __be16 dport)
+{
+	u32 hash[MD5_DIGEST_WORDS];
+	u64 seq;
+
+	hash[0] = (__force u32)saddr;
+	hash[1] = (__force u32)daddr;
+	hash[2] = ((__force u16)sport << 16) + (__force u16)dport;
+	hash[3] = net_secret[15];
+
+	md5_transform(hash, net_secret);
+
+	seq = hash[0] | (((u64)hash[1]) << 32);
+	seq += ktime_to_ns(ktime_get_real());
+	seq &= (1ull << 48) - 1;
+
+	return seq;
+}
+EXPORT_SYMBOL(secure_dccp_sequence_number);
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+u64 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
+				  __be16 sport, __be16 dport)
+{
+	u32 secret[MD5_MESSAGE_BYTES / 4];
+	u32 hash[MD5_DIGEST_WORDS];
+	u64 seq;
+	u32 i;
+
+	memcpy(hash, saddr, 16);
+	for (i = 0; i < 4; i++)
+		secret[i] = net_secret[i] + daddr[i];
+	secret[4] = net_secret[4] +
+		(((__force u16)sport << 16) + (__force u16)dport);
+	for (i = 5; i < MD5_MESSAGE_BYTES / 4; i++)
+		secret[i] = net_secret[i];
+
+	md5_transform(hash, secret);
+
+	seq = hash[0] | (((u64)hash[1]) << 32);
+	seq += ktime_to_ns(ktime_get_real());
+	seq &= (1ull << 48) - 1;
+
+	return seq;
+}
+EXPORT_SYMBOL(secure_dccpv6_sequence_number);
+#endif
+#endif
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 2beda824636e..27002dffe7ed 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1369,8 +1369,21 @@ pull_pages:
 }
 EXPORT_SYMBOL(__pskb_pull_tail);
 
-/* Copy some data bits from skb to kernel buffer. */
-
+/**
+ *	skb_copy_bits - copy bits from skb to kernel buffer
+ *	@skb: source skb
+ *	@offset: offset in source
+ *	@to: destination buffer
+ *	@len: number of bytes to copy
+ *
+ *	Copy the specified number of bytes from the source skb to the
+ *	destination buffer.
+ *
+ *	CAUTION ! :
+ *		If its prototype is ever changed,
+ *		check arch/{*}/net/{*}.S files,
+ *		since it is called from BPF assembly code.
+ */
 int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
 {
 	int start = skb_headlen(skb);
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 8c36adfd1919..332639b56f4d 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -26,6 +26,7 @@
 #include <net/timewait_sock.h>
 #include <net/tcp_states.h>
 #include <net/xfrm.h>
+#include <net/secure_seq.h>
 
 #include "ackvec.h"
 #include "ccid.h"
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 8dc4348774a5..b74f76117dcf 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -29,6 +29,7 @@
 #include <net/transp_v6.h>
 #include <net/ip6_checksum.h>
 #include <net/xfrm.h>
+#include <net/secure_seq.h>
 
 #include "dccp.h"
 #include "ipv6.h"
@@ -69,13 +70,7 @@ static inline void dccp_v6_send_check(struct sock *sk, struct sk_buff *skb)
 	dh->dccph_checksum = dccp_v6_csum_finish(skb, &np->saddr, &np->daddr);
 }
 
-static inline __u32 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr,
-						  __be16 sport, __be16 dport   )
-{
-	return secure_tcpv6_sequence_number(saddr, daddr, sport, dport);
-}
-
-static inline __u32 dccp_v6_init_sequence(struct sk_buff *skb)
+static inline __u64 dccp_v6_init_sequence(struct sk_buff *skb)
 {
 	return secure_dccpv6_sequence_number(ipv6_hdr(skb)->daddr.s6_addr32,
 					     ipv6_hdr(skb)->saddr.s6_addr32,
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 2bd8e53d7774..9e885f180b60 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -30,7 +30,7 @@
 #include <linux/netdevice.h>
 #include <linux/timer.h>
 #include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/uaccess.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 0dc3fe61085b..7f0eb087dc11 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -38,7 +38,7 @@
 #include <linux/seq_file.h>
 #include <linux/rcupdate.h>
 #include <linux/jhash.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <net/net_namespace.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index cd0354e9bdb3..a9a62f225a6b 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -25,7 +25,7 @@
 #include <linux/netdevice.h>
 #include <linux/timer.h>
 #include <linux/spinlock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/uaccess.h>
 #include <linux/route.h> /* RTF_xxx */
 #include <net/neighbour.h>
diff --git a/net/decnet/dn_timer.c b/net/decnet/dn_timer.c
index 09825711d58a..67f691bd4acf 100644
--- a/net/decnet/dn_timer.c
+++ b/net/decnet/dn_timer.c
@@ -22,7 +22,7 @@
 #include <linux/timer.h>
 #include <linux/spinlock.h>
 #include <net/sock.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <net/flow.h>
 #include <net/dn.h>
 
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 5cffb63f481a..27997d35ebd3 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -231,6 +231,7 @@ EXPORT_SYMBOL(eth_header_parse);
  * eth_header_cache - fill cache entry from neighbour
  * @neigh: source neighbour
  * @hh: destination cache entry
+ * @type: Ethernet type field
  * Create an Ethernet header template from the neighbour.
  */
 int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type)
@@ -339,6 +340,7 @@ void ether_setup(struct net_device *dev)
 	dev->addr_len		= ETH_ALEN;
 	dev->tx_queue_len	= 1000;	/* Ethernet wants good queues */
 	dev->flags		= IFF_BROADCAST|IFF_MULTICAST;
+	dev->priv_flags		= IFF_TX_SKB_SHARING;
 
 	memset(dev->broadcast, 0xFF, ETH_ALEN);
 
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 2b3c23c287cd..2c2a98e402e7 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -50,7 +50,7 @@
 #include <net/tcp.h>
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/bug.h>
 #include <asm/unaligned.h>
 
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 37b3c188d8b3..bc19bd06dd00 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1134,15 +1134,15 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
 					struct in_device *in_dev)
 
 {
-	struct in_ifaddr *ifa = in_dev->ifa_list;
-
-	if (!ifa)
-		return;
+	struct in_ifaddr *ifa;
 
-	arp_send(ARPOP_REQUEST, ETH_P_ARP,
-		 ifa->ifa_local, dev,
-		 ifa->ifa_local, NULL,
-		 dev->dev_addr, NULL);
+	for (ifa = in_dev->ifa_list; ifa;
+	     ifa = ifa->ifa_next) {
+		arp_send(ARPOP_REQUEST, ETH_P_ARP,
+			 ifa->ifa_local, dev,
+			 ifa->ifa_local, NULL,
+			 dev->dev_addr, NULL);
+	}
 }
 
 /* Called only under RTNL semaphore */
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index f1d27f6c9351..d577199eabd5 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -767,7 +767,7 @@ static int igmp_xmarksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs)
 			break;
 		for (i=0; i<nsrcs; i++) {
 			/* skip inactive filters */
-			if (pmc->sfcount[MCAST_INCLUDE] ||
+			if (psf->sf_count[MCAST_INCLUDE] ||
 			    pmc->sfcount[MCAST_EXCLUDE] !=
 			    psf->sf_count[MCAST_EXCLUDE])
 				continue;
@@ -1718,7 +1718,7 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
 
 		pmc->sfcount[sfmode]--;
 		for (j=0; j<i; j++)
-			(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[i]);
+			(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
 	} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
 #ifdef CONFIG_IP_MULTICAST
 		struct ip_sf_list *psf;
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 3c0369a3a663..984ec656b03b 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -21,6 +21,7 @@
 
 #include <net/inet_connection_sock.h>
 #include <net/inet_hashtables.h>
+#include <net/secure_seq.h>
 #include <net/ip.h>
 
 /*
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index e38213817d0a..86f13c67ea85 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -19,6 +19,7 @@
 #include <linux/net.h>
 #include <net/ip.h>
 #include <net/inetpeer.h>
+#include <net/secure_seq.h>
 
 /*
  *  Theory of operations.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ccaaa851ab42..8c6563361ab5 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -122,6 +122,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
 	newskb->pkt_type = PACKET_LOOPBACK;
 	newskb->ip_summed = CHECKSUM_UNNECESSARY;
 	WARN_ON(!skb_dst(newskb));
+	skb_dst_force(newskb);
 	netif_rx_ni(newskb);
 	return 0;
 }
@@ -204,9 +205,15 @@ static inline int ip_finish_output2(struct sk_buff *skb)
 		skb = skb2;
 	}
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(dst);
-	if (neigh)
-		return neigh_output(neigh, skb);
+	if (neigh) {
+		int res = neigh_output(neigh, skb);
+
+		rcu_read_unlock();
+		return res;
+	}
+	rcu_read_unlock();
 
 	if (net_ratelimit())
 		printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n");
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index ab0c9efd1efa..8905e92f896a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -1067,7 +1067,7 @@ EXPORT_SYMBOL(compat_ip_setsockopt);
  */
 
 static int do_ip_getsockopt(struct sock *sk, int level, int optname,
-			    char __user *optval, int __user *optlen)
+			    char __user *optval, int __user *optlen, unsigned flags)
 {
 	struct inet_sock *inet = inet_sk(sk);
 	int val;
@@ -1240,7 +1240,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
 
 		msg.msg_control = optval;
 		msg.msg_controllen = len;
-		msg.msg_flags = 0;
+		msg.msg_flags = flags;
 
 		if (inet->cmsg_flags & IP_CMSG_PKTINFO) {
 			struct in_pktinfo info;
@@ -1294,7 +1294,7 @@ int ip_getsockopt(struct sock *sk, int level,
 {
 	int err;
 
-	err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+	err = do_ip_getsockopt(sk, level, optname, optval, optlen, 0);
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
 	if (err == -ENOPROTOOPT && optname != IP_PKTOPTIONS &&
@@ -1327,7 +1327,8 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
 		return compat_mc_getsockopt(sk, level, optname, optval, optlen,
 			ip_getsockopt);
 
-	err = do_ip_getsockopt(sk, level, optname, optval, optlen);
+	err = do_ip_getsockopt(sk, level, optname, optval, optlen,
+		MSG_CMSG_COMPAT);
 
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 2e97e3ec1eb7..929b27bdeb79 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -18,17 +18,15 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 	struct rtable *rt;
 	struct flowi4 fl4 = {};
 	__be32 saddr = iph->saddr;
-	__u8 flags = 0;
+	__u8 flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
 	unsigned int hh_len;
 
-	if (!skb->sk && addr_type != RTN_LOCAL) {
-		if (addr_type == RTN_UNSPEC)
-			addr_type = inet_addr_type(net, saddr);
-		if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
-			flags |= FLOWI_FLAG_ANYSRC;
-		else
-			saddr = 0;
-	}
+	if (addr_type == RTN_UNSPEC)
+		addr_type = inet_addr_type(net, saddr);
+	if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
+		flags |= FLOWI_FLAG_ANYSRC;
+	else
+		saddr = 0;
 
 	/* some non-standard hacks like ipt_REJECT.c:send_reset() can cause
 	 * packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook.
@@ -38,7 +36,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 	fl4.flowi4_tos = RT_TOS(iph->tos);
 	fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
 	fl4.flowi4_mark = skb->mark;
-	fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : flags;
+	fl4.flowi4_flags = flags;
 	rt = ip_route_output_key(net, &fl4);
 	if (IS_ERR(rt))
 		return -1;
diff --git a/net/ipv4/netfilter/nf_nat_proto_common.c b/net/ipv4/netfilter/nf_nat_proto_common.c
index 3e61faf23a9a..f52d41ea0690 100644
--- a/net/ipv4/netfilter/nf_nat_proto_common.c
+++ b/net/ipv4/netfilter/nf_nat_proto_common.c
@@ -12,6 +12,7 @@
 #include <linux/ip.h>
 
 #include <linux/netfilter.h>
+#include <net/secure_seq.h>
 #include <net/netfilter/nf_nat.h>
 #include <net/netfilter/nf_nat_core.h>
 #include <net/netfilter/nf_nat_rule.h>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 08526786dc39..61714bd52925 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -38,7 +38,7 @@
  */
 
 #include <linux/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/byteorder.h>
 #include <asm/current.h>
 #include <asm/uaccess.h>
@@ -563,7 +563,8 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	flowi4_init_output(&fl4, ipc.oif, sk->sk_mark, tos,
 			   RT_SCOPE_UNIVERSE,
 			   inet->hdrincl ? IPPROTO_RAW : sk->sk_protocol,
-			   FLOWI_FLAG_CAN_SLEEP, daddr, saddr, 0, 0);
+			   inet_sk_flowi_flags(sk) | FLOWI_FLAG_CAN_SLEEP,
+			   daddr, saddr, 0, 0);
 
 	if (!inet->hdrincl) {
 		err = raw_probe_proto_opt(&fl4, msg);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1730689f560e..075212e41b83 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -109,6 +109,7 @@
 #include <linux/sysctl.h>
 #endif
 #include <net/atmclip.h>
+#include <net/secure_seq.h>
 
 #define RT_FL_TOS(oldflp4) \
     ((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
@@ -721,7 +722,7 @@ static inline bool compare_hash_inputs(const struct rtable *rt1,
 {
 	return ((((__force u32)rt1->rt_key_dst ^ (__force u32)rt2->rt_key_dst) |
 		((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
-		(rt1->rt_iif ^ rt2->rt_iif)) == 0);
+		(rt1->rt_route_iif ^ rt2->rt_route_iif)) == 0);
 }
 
 static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
@@ -730,8 +731,8 @@ static inline int compare_keys(struct rtable *rt1, struct rtable *rt2)
 		((__force u32)rt1->rt_key_src ^ (__force u32)rt2->rt_key_src) |
 		(rt1->rt_mark ^ rt2->rt_mark) |
 		(rt1->rt_key_tos ^ rt2->rt_key_tos) |
-		(rt1->rt_oif ^ rt2->rt_oif) |
-		(rt1->rt_iif ^ rt2->rt_iif)) == 0;
+		(rt1->rt_route_iif ^ rt2->rt_route_iif) |
+		(rt1->rt_oif ^ rt2->rt_oif)) == 0;
 }
 
 static inline int compare_netns(struct rtable *rt1, struct rtable *rt2)
@@ -1628,16 +1629,18 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
 {
 	struct rtable *rt = (struct rtable *) dst;
 	__be32 orig_gw = rt->rt_gateway;
-	struct neighbour *n;
+	struct neighbour *n, *old_n;
 
 	dst_confirm(&rt->dst);
 
-	neigh_release(dst_get_neighbour(&rt->dst));
-	dst_set_neighbour(&rt->dst, NULL);
-
 	rt->rt_gateway = peer->redirect_learned.a4;
-	rt_bind_neighbour(rt);
-	n = dst_get_neighbour(&rt->dst);
+
+	n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+	if (IS_ERR(n))
+		return PTR_ERR(n);
+	old_n = xchg(&rt->dst._neighbour, n);
+	if (old_n)
+		neigh_release(old_n);
 	if (!n || !(n->nud_state & NUD_VALID)) {
 		if (n)
 			neigh_event_send(n, NULL);
@@ -2317,8 +2320,7 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	     rth = rcu_dereference(rth->dst.rt_next)) {
 		if ((((__force u32)rth->rt_key_dst ^ (__force u32)daddr) |
 		     ((__force u32)rth->rt_key_src ^ (__force u32)saddr) |
-		     (rth->rt_iif ^ iif) |
-		     rth->rt_oif |
+		     (rth->rt_route_iif ^ iif) |
 		     (rth->rt_key_tos ^ tos)) == 0 &&
 		    rth->rt_mark == skb->mark &&
 		    net_eq(dev_net(rth->dst.dev), net) &&
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 92bb9434b338..3bc5c8f7c71b 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -276,7 +276,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 	int mss;
 	struct rtable *rt;
 	__u8 rcv_wscale;
-	bool ecn_ok;
+	bool ecn_ok = false;
 
 	if (!sysctl_tcp_syncookies || !th->ack || th->rst)
 		goto out;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 955b8e65b69e..1c12b8ec849d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -72,6 +72,7 @@
 #include <net/timewait_sock.h>
 #include <net/xfrm.h>
 #include <net/netdma.h>
+#include <net/secure_seq.h>
 
 #include <linux/inet.h>
 #include <linux/ipv6.h>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a06c53c14d84..f012ebd87b43 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -656,7 +656,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
 	 * layer address of our nexhop router
 	 */
 
-	if (dst_get_neighbour(&rt->dst) == NULL)
+	if (dst_get_neighbour_raw(&rt->dst) == NULL)
 		ifa->flags &= ~IFA_F_OPTIMISTIC;
 
 	ifa->idev = idev;
@@ -1481,6 +1481,8 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
 {
 	struct in6_addr addr;
+	if (ifp->prefix_len == 127) /* RFC 6164 */
+		return;
 	ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
 	if (ipv6_addr_any(&addr))
 		return;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 16560336eb72..9ef1831746ef 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -33,6 +33,11 @@
 #include <linux/errqueue.h>
 #include <asm/uaccess.h>
 
+static inline int ipv6_mapped_addr_any(const struct in6_addr *a)
+{
+	return (ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0));
+}
+
 int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {
 	struct sockaddr_in6	*usin = (struct sockaddr_in6 *) uaddr;
@@ -102,10 +107,12 @@ ipv4_connected:
 
 		ipv6_addr_set_v4mapped(inet->inet_daddr, &np->daddr);
 
-		if (ipv6_addr_any(&np->saddr))
+		if (ipv6_addr_any(&np->saddr) ||
+		    ipv6_mapped_addr_any(&np->saddr))
 			ipv6_addr_set_v4mapped(inet->inet_saddr, &np->saddr);
 
-		if (ipv6_addr_any(&np->rcv_saddr)) {
+		if (ipv6_addr_any(&np->rcv_saddr) ||
+		    ipv6_mapped_addr_any(&np->rcv_saddr)) {
 			ipv6_addr_set_v4mapped(inet->inet_rcv_saddr,
 					       &np->rcv_saddr);
 			if (sk->sk_prot->rehash)
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index b53197233709..73f1a00a96af 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -20,6 +20,7 @@
 #include <net/inet_connection_sock.h>
 #include <net/inet_hashtables.h>
 #include <net/inet6_hashtables.h>
+#include <net/secure_seq.h>
 #include <net/ip.h>
 
 int __inet6_hash(struct sock *sk, struct inet_timewait_sock *tw)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 54a4678955bf..320d91d20ad7 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1455,7 +1455,7 @@ static int fib6_age(struct rt6_info *rt, void *arg)
 			RT6_TRACE("aging clone %p\n", rt);
 			return -1;
 		} else if ((rt->rt6i_flags & RTF_GATEWAY) &&
-			   (!(dst_get_neighbour(&rt->dst)->flags & NTF_ROUTER))) {
+			   (!(dst_get_neighbour_raw(&rt->dst)->flags & NTF_ROUTER))) {
 			RT6_TRACE("purging route %p via non-router but gateway\n",
 				  rt);
 			return -1;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 32e5339db0c8..4c882cf4e8a1 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -135,10 +135,15 @@ static int ip6_finish_output2(struct sk_buff *skb)
 				skb->len);
 	}
 
+	rcu_read_lock();
 	neigh = dst_get_neighbour(dst);
-	if (neigh)
-		return neigh_output(neigh, skb);
+	if (neigh) {
+		int res = neigh_output(neigh, skb);
 
+		rcu_read_unlock();
+		return res;
+	}
+	rcu_read_unlock();
 	IP6_INC_STATS_BH(dev_net(dst->dev),
 			 ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
 	kfree_skb(skb);
@@ -975,12 +980,14 @@ static int ip6_dst_lookup_tail(struct sock *sk,
 	 * dst entry and replace it instead with the
 	 * dst entry of the nexthop router
 	 */
+	rcu_read_lock();
 	n = dst_get_neighbour(*dst);
 	if (n && !(n->nud_state & NUD_VALID)) {
 		struct inet6_ifaddr *ifp;
 		struct flowi6 fl_gw6;
 		int redirect;
 
+		rcu_read_unlock();
 		ifp = ipv6_get_ifaddr(net, &fl6->saddr,
 				      (*dst)->dev, 1);
 
@@ -1000,6 +1007,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,
 			if ((err = (*dst)->error))
 				goto out_err_release;
 		}
+	} else {
+		rcu_read_unlock();
 	}
 #endif
 
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 36c2842a86b2..0bc98886c383 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -40,7 +40,7 @@
 #include <linux/slab.h>
 
 #include <asm/uaccess.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include <net/icmp.h>
 #include <net/ip.h>
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 9cb191ecaba8..147ede38ab48 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -913,7 +913,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
 }
 
 static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
-		    char __user *optval, int __user *optlen)
+		    char __user *optval, int __user *optlen, unsigned flags)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	int len;
@@ -962,7 +962,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 
 		msg.msg_control = optval;
 		msg.msg_controllen = len;
-		msg.msg_flags = 0;
+		msg.msg_flags = flags;
 
 		lock_sock(sk);
 		skb = np->pktoptions;
@@ -1222,7 +1222,7 @@ int ipv6_getsockopt(struct sock *sk, int level, int optname,
 	if(level != SOL_IPV6)
 		return -ENOPROTOOPT;
 
-	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, 0);
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
 	if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
@@ -1264,7 +1264,8 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		return compat_mc_getsockopt(sk, level, optname, optval, optlen,
 			ipv6_getsockopt);
 
-	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen);
+	err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
+				 MSG_CMSG_COMPAT);
 #ifdef CONFIG_NETFILTER
 	/* we need to exclude all possible ENOPROTOOPTs except default case */
 	if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 3e6ebcdb4779..ee7839f4d6e3 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1059,7 +1059,7 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
 			break;
 		for (i=0; i<nsrcs; i++) {
 			/* skip inactive filters */
-			if (pmc->mca_sfcount[MCAST_INCLUDE] ||
+			if (psf->sf_count[MCAST_INCLUDE] ||
 			    pmc->mca_sfcount[MCAST_EXCLUDE] !=
 			    psf->sf_count[MCAST_EXCLUDE])
 				continue;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e8987da06667..9e69eb0ec6dd 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -364,7 +364,7 @@ out:
 #ifdef CONFIG_IPV6_ROUTER_PREF
 static void rt6_probe(struct rt6_info *rt)
 {
-	struct neighbour *neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
+	struct neighbour *neigh;
 	/*
 	 * Okay, this does not seem to be appropriate
 	 * for now, however, we need to check if it
@@ -373,8 +373,10 @@ static void rt6_probe(struct rt6_info *rt)
 	 * Router Reachability Probe MUST be rate-limited
 	 * to no more than one per minute.
 	 */
+	rcu_read_lock();
+	neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
 	if (!neigh || (neigh->nud_state & NUD_VALID))
-		return;
+		goto out;
 	read_lock_bh(&neigh->lock);
 	if (!(neigh->nud_state & NUD_VALID) &&
 	    time_after(jiffies, neigh->updated + rt->rt6i_idev->cnf.rtr_probe_interval)) {
@@ -387,8 +389,11 @@ static void rt6_probe(struct rt6_info *rt)
 		target = (struct in6_addr *)&neigh->primary_key;
 		addrconf_addr_solict_mult(target, &mcaddr);
 		ndisc_send_ns(rt->rt6i_dev, NULL, target, &mcaddr, NULL);
-	} else
+	} else {
 		read_unlock_bh(&neigh->lock);
+	}
+out:
+	rcu_read_unlock();
 }
 #else
 static inline void rt6_probe(struct rt6_info *rt)
@@ -412,8 +417,11 @@ static inline int rt6_check_dev(struct rt6_info *rt, int oif)
 
 static inline int rt6_check_neigh(struct rt6_info *rt)
 {
-	struct neighbour *neigh = dst_get_neighbour(&rt->dst);
+	struct neighbour *neigh;
 	int m;
+
+	rcu_read_lock();
+	neigh = dst_get_neighbour(&rt->dst);
 	if (rt->rt6i_flags & RTF_NONEXTHOP ||
 	    !(rt->rt6i_flags & RTF_GATEWAY))
 		m = 1;
@@ -430,6 +438,7 @@ static inline int rt6_check_neigh(struct rt6_info *rt)
 		read_unlock_bh(&neigh->lock);
 	} else
 		m = 0;
+	rcu_read_unlock();
 	return m;
 }
 
@@ -769,7 +778,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort,
 		rt->rt6i_dst.plen = 128;
 		rt->rt6i_flags |= RTF_CACHE;
 		rt->dst.flags |= DST_HOST;
-		dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour(&ort->dst)));
+		dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_raw(&ort->dst)));
 	}
 	return rt;
 }
@@ -803,7 +812,7 @@ restart:
 	dst_hold(&rt->dst);
 	read_unlock_bh(&table->tb6_lock);
 
-	if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+	if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
 		nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
 	else if (!(rt->dst.flags & DST_HOST))
 		nrt = rt6_alloc_clone(rt, &fl6->daddr);
@@ -1587,7 +1596,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
 	dst_confirm(&rt->dst);
 
 	/* Duplicate redirect: silently ignore. */
-	if (neigh == dst_get_neighbour(&rt->dst))
+	if (neigh == dst_get_neighbour_raw(&rt->dst))
 		goto out;
 
 	nrt = ip6_rt_copy(rt, dest);
@@ -1682,7 +1691,7 @@ again:
 	   1. It is connected route. Action: COW
 	   2. It is gatewayed route or NONEXTHOP route. Action: clone it.
 	 */
-	if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+	if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
 		nrt = rt6_alloc_cow(rt, daddr, saddr);
 	else
 		nrt = rt6_alloc_clone(rt, daddr);
@@ -2326,6 +2335,7 @@ static int rt6_fill_node(struct net *net,
 	struct nlmsghdr *nlh;
 	long expires;
 	u32 table;
+	struct neighbour *n;
 
 	if (prefix) {	/* user wants prefix routes only */
 		if (!(rt->rt6i_flags & RTF_PREFIX_RT)) {
@@ -2414,8 +2424,11 @@ static int rt6_fill_node(struct net *net,
 	if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
 		goto nla_put_failure;
 
-	if (dst_get_neighbour(&rt->dst))
-		NLA_PUT(skb, RTA_GATEWAY, 16, &dst_get_neighbour(&rt->dst)->primary_key);
+	rcu_read_lock();
+	n = dst_get_neighbour(&rt->dst);
+	if (n)
+		NLA_PUT(skb, RTA_GATEWAY, 16, &n->primary_key);
+	rcu_read_unlock();
 
 	if (rt->dst.dev)
 		NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex);
@@ -2608,12 +2621,14 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
 #else
 	seq_puts(m, "00000000000000000000000000000000 00 ");
 #endif
+	rcu_read_lock();
 	n = dst_get_neighbour(&rt->dst);
 	if (n) {
 		seq_printf(m, "%pi6", n->primary_key);
 	} else {
 		seq_puts(m, "00000000000000000000000000000000");
 	}
+	rcu_read_unlock();
 	seq_printf(m, " %08x %08x %08x %08x %8s\n",
 		   rt->rt6i_metric, atomic_read(&rt->dst.__refcnt),
 		   rt->dst.__use, rt->rt6i_flags,
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 07bf1085458f..00b15ac7a702 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -672,6 +672,9 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 	if (skb->protocol != htons(ETH_P_IPV6))
 		goto tx_error;
 
+	if (tos == 1)
+		tos = ipv6_get_dsfield(iph6);
+
 	/* ISATAP (RFC4214) - must come before 6to4 */
 	if (dev->priv_flags & IFF_ISATAP) {
 		struct neighbour *neigh = NULL;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 89d5bf806222..ac838965ff34 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -165,7 +165,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 	int mss;
 	struct dst_entry *dst;
 	__u8 rcv_wscale;
-	bool ecn_ok;
+	bool ecn_ok = false;
 
 	if (!sysctl_tcp_syncookies || !th->ack || th->rst)
 		goto out;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 78aa53492b3e..d1fb63f4aeb7 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -61,6 +61,7 @@
 #include <net/timewait_sock.h>
 #include <net/netdma.h>
 #include <net/inet_common.h>
+#include <net/secure_seq.h>
 
 #include <asm/uaccess.h>
 
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index f2b713847b45..075a3808aa40 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -51,7 +51,7 @@
 #include <linux/cpu.h>
 #include <linux/reboot.h>
 #include <net/iucv/iucv.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/ebcdic.h>
 #include <asm/io.h>
 #include <asm/irq.h>
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index ed8a2335442f..ad4ac2601a56 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -55,7 +55,7 @@
 #include <net/protocol.h>
 
 #include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "l2tp_core.h"
 
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index a8193f52c13c..d2726a74597d 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -103,7 +103,7 @@ static struct net_device_ops l2tp_eth_netdev_ops = {
 static void l2tp_eth_dev_setup(struct net_device *dev)
 {
 	ether_setup(dev);
-
+	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
 	dev->netdev_ops		= &l2tp_eth_netdev_ops;
 	dev->destructor		= free_netdev;
 }
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 39a21d0c61c4..f42cd0915966 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -97,7 +97,7 @@
 #include <net/xfrm.h>
 
 #include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "l2tp_core.h"
 
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index cd5fb40d3fd4..556e7e6ddf0a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -698,6 +698,7 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
 static void ieee80211_if_setup(struct net_device *dev)
 {
 	ether_setup(dev);
+	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
 	dev->netdev_ops = &ieee80211_dataif_ops;
 	dev->destructor = free_netdev;
 }
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 866f269183cf..acb44230b251 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1012,7 +1012,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 	cancel_work_sync(&local->reconfig_filter);
 
 	ieee80211_clear_tx_pending(local);
-	sta_info_stop(local);
 	rate_control_deinitialize(local);
 
 	if (skb_queue_len(&local->skb_queue) ||
@@ -1024,6 +1023,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 
 	destroy_workqueue(local->workqueue);
 	wiphy_unregister(local->hw.wiphy);
+	sta_info_stop(local);
 	ieee80211_wep_free(local);
 	ieee80211_led_exit(local);
 	kfree(local->int_scan_req);
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index be43fd805bd0..2b771dc708a3 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3771,6 +3771,7 @@ err_sock:
 void ip_vs_control_cleanup(void)
 {
 	EnterFunction(2);
+	unregister_netdevice_notifier(&ip_vs_dst_notifier);
 	ip_vs_genl_unregister();
 	nf_unregister_sockopt(&ip_vs_sockopts);
 	LeaveFunction(2);
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 5b466cd1272f..84d0fd47636a 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -312,6 +312,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 		}
 		break;
 	case NF_STOLEN:
+		break;
 	default:
 		kfree_skb(skb);
 	}
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 2e7ccbb43ddb..2d8158acf6fa 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -33,7 +33,7 @@
 #include <net/netfilter/nf_log.h>
 #include <net/netfilter/nfnetlink_log.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #ifdef CONFIG_BRIDGE_NETFILTER
 #include "../bridge/br_private.h"
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 49132bddd73e..00bd475eab4b 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -31,7 +31,7 @@
 #include <net/sock.h>
 #include <net/netfilter/nf_queue.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #ifdef CONFIG_BRIDGE_NETFILTER
 #include "../bridge/br_private.h"
diff --git a/net/netlabel/Makefile b/net/netlabel/Makefile
index ea750e9df65f..d2732fc952e2 100644
--- a/net/netlabel/Makefile
+++ b/net/netlabel/Makefile
@@ -1,8 +1,6 @@
 #
 # Makefile for the NetLabel subsystem.
 #
-# Feb 9, 2006, Paul Moore <paul.moore@hp.com>
-#
 
 # base objects
 obj-y	:= netlabel_user.o netlabel_kapi.o
diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c
index c0519139679e..96b749dacc34 100644
--- a/net/netlabel/netlabel_addrlist.c
+++ b/net/netlabel/netlabel_addrlist.c
@@ -6,7 +6,7 @@
  * system manages static and dynamic label mappings for network protocols such
  * as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
index 2b9644e19de0..fdbc1d2c7352 100644
--- a/net/netlabel/netlabel_addrlist.h
+++ b/net/netlabel/netlabel_addrlist.h
@@ -6,7 +6,7 @@
  * system manages static and dynamic label mappings for network protocols such
  * as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c
index bae5756b1626..6bf878335d94 100644
--- a/net/netlabel/netlabel_cipso_v4.c
+++ b/net/netlabel/netlabel_cipso_v4.c
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
@@ -39,7 +39,7 @@
 #include <net/genetlink.h>
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "netlabel_user.h"
 #include "netlabel_cipso_v4.h"
diff --git a/net/netlabel/netlabel_cipso_v4.h b/net/netlabel/netlabel_cipso_v4.h
index af7f3355103e..d24d774bfd62 100644
--- a/net/netlabel/netlabel_cipso_v4.h
+++ b/net/netlabel/netlabel_cipso_v4.h
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index 2aa975e5452d..7d8083cde34f 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -6,7 +6,7 @@
  * system manages static and dynamic label mappings for network protocols such
  * as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_domainhash.h b/net/netlabel/netlabel_domainhash.h
index 0261dda3f2d2..bfcc0f7024c5 100644
--- a/net/netlabel/netlabel_domainhash.h
+++ b/net/netlabel/netlabel_domainhash.h
@@ -6,7 +6,7 @@
  * system manages static and dynamic label mappings for network protocols such
  * as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 1b83e0009d8d..9c24de10a657 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -5,7 +5,7 @@
  * system manages static and dynamic label mappings for network protocols such
  * as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
@@ -39,7 +39,7 @@
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
 #include <asm/bug.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "netlabel_domainhash.h"
 #include "netlabel_unlabeled.h"
@@ -341,11 +341,11 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
 
 	entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
 	if (entry == NULL)
-		return -ENOMEM;
+		goto out_entry;
 	if (domain != NULL) {
 		entry->domain = kstrdup(domain, GFP_ATOMIC);
 		if (entry->domain == NULL)
-			goto cfg_cipsov4_map_add_failure;
+			goto out_domain;
 	}
 
 	if (addr == NULL && mask == NULL) {
@@ -354,13 +354,13 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
 	} else if (addr != NULL && mask != NULL) {
 		addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC);
 		if (addrmap == NULL)
-			goto cfg_cipsov4_map_add_failure;
+			goto out_addrmap;
 		INIT_LIST_HEAD(&addrmap->list4);
 		INIT_LIST_HEAD(&addrmap->list6);
 
 		addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC);
 		if (addrinfo == NULL)
-			goto cfg_cipsov4_map_add_failure;
+			goto out_addrinfo;
 		addrinfo->type_def.cipsov4 = doi_def;
 		addrinfo->type = NETLBL_NLTYPE_CIPSOV4;
 		addrinfo->list.addr = addr->s_addr & mask->s_addr;
@@ -374,7 +374,7 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
 		entry->type = NETLBL_NLTYPE_ADDRSELECT;
 	} else {
 		ret_val = -EINVAL;
-		goto cfg_cipsov4_map_add_failure;
+		goto out_addrmap;
 	}
 
 	ret_val = netlbl_domhsh_add(entry, audit_info);
@@ -384,11 +384,15 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
 	return 0;
 
 cfg_cipsov4_map_add_failure:
-	cipso_v4_doi_putdef(doi_def);
+	kfree(addrinfo);
+out_addrinfo:
+	kfree(addrmap);
+out_addrmap:
 	kfree(entry->domain);
+out_domain:
 	kfree(entry);
-	kfree(addrmap);
-	kfree(addrinfo);
+out_entry:
+	cipso_v4_doi_putdef(doi_def);
 	return ret_val;
 }
 
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c
index 4f251b19fbcc..bfa555869775 100644
--- a/net/netlabel/netlabel_mgmt.c
+++ b/net/netlabel/netlabel_mgmt.c
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
@@ -42,7 +42,7 @@
 #include <net/ipv6.h>
 #include <net/netlabel.h>
 #include <net/cipso_ipv4.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "netlabel_domainhash.h"
 #include "netlabel_user.h"
diff --git a/net/netlabel/netlabel_mgmt.h b/net/netlabel/netlabel_mgmt.h
index 0a25838bcf45..5a9f31ce5799 100644
--- a/net/netlabel/netlabel_mgmt.h
+++ b/net/netlabel/netlabel_mgmt.h
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
@@ -32,7 +32,7 @@
 #define _NETLABEL_MGMT_H
 
 #include <net/netlabel.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * The following NetLabel payloads are supported by the management interface.
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 9a290ef5c175..e6e823656f9d 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -5,7 +5,7 @@
  * NetLabel system.  The NetLabel system manages static and dynamic label
  * mappings for network protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
@@ -52,7 +52,7 @@
 #include <net/net_namespace.h>
 #include <net/netlabel.h>
 #include <asm/bug.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 #include "netlabel_user.h"
 #include "netlabel_addrlist.h"
diff --git a/net/netlabel/netlabel_unlabeled.h b/net/netlabel/netlabel_unlabeled.h
index 0bc8dc3f9e3c..700af49022a0 100644
--- a/net/netlabel/netlabel_unlabeled.h
+++ b/net/netlabel/netlabel_unlabeled.h
@@ -5,7 +5,7 @@
  * NetLabel system.  The NetLabel system manages static and dynamic label
  * mappings for network protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c
index a3fd75ac3fa5..9fae63f10298 100644
--- a/net/netlabel/netlabel_user.c
+++ b/net/netlabel/netlabel_user.c
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/netlabel/netlabel_user.h b/net/netlabel/netlabel_user.h
index f4fc4c9ad567..81969785e279 100644
--- a/net/netlabel/netlabel_user.h
+++ b/net/netlabel/netlabel_user.h
@@ -5,7 +5,7 @@
  * NetLabel system manages static and dynamic label mappings for network
  * protocols such as CIPSO and RIPSO.
  *
- * Author: Paul Moore <paul.moore@hp.com>
+ * Author: Paul Moore <paul@paul-moore.com>
  *
  */
 
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 102fc212cd64..e051398fdf6b 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -196,8 +196,7 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
 
 	skb2->skb_iif = skb->dev->ifindex;
 	skb2->dev = dev;
-	dev_queue_xmit(skb2);
-	err = 0;
+	err = dev_queue_xmit(skb2);
 
 out:
 	if (err) {
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 2a318f2dc3e5..b5d56a22b1d2 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -112,7 +112,7 @@ static struct sk_buff *prio_dequeue(struct Qdisc *sch)
 
 	for (prio = 0; prio < q->bands; prio++) {
 		struct Qdisc *qdisc = q->queues[prio];
-		struct sk_buff *skb = qdisc->dequeue(qdisc);
+		struct sk_buff *skb = qdisc_dequeue_peeked(qdisc);
 		if (skb) {
 			qdisc_bstats_update(sch, skb);
 			sch->q.qlen--;
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 4536ee64383e..4f5510e2bd6f 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -410,7 +410,12 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	/* Return Congestion Notification only if we dropped a packet
 	 * from this flow.
 	 */
-	return (qlen != slot->qlen) ? NET_XMIT_CN : NET_XMIT_SUCCESS;
+	if (qlen != slot->qlen)
+		return NET_XMIT_CN;
+
+	/* As we dropped a packet, better let upper stack know this */
+	qdisc_tree_decrease_qlen(sch, 1);
+	return NET_XMIT_SUCCESS;
 }
 
 static struct sk_buff *
diff --git a/net/socket.c b/net/socket.c
index 02dc82db3d23..ffe92ca32f2a 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -467,7 +467,7 @@ static struct socket *sock_alloc(void)
 	struct inode *inode;
 	struct socket *sock;
 
-	inode = new_inode(sock_mnt->mnt_sb);
+	inode = new_inode_pseudo(sock_mnt->mnt_sb);
 	if (!inode)
 		return NULL;
 
@@ -580,7 +580,7 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
 }
 EXPORT_SYMBOL(sock_sendmsg);
 
-int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg, size_t size)
+static int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg, size_t size)
 {
 	struct kiocb iocb;
 	struct sock_iocb siocb;
@@ -1871,8 +1871,14 @@ SYSCALL_DEFINE2(shutdown, int, fd, int, how)
 #define COMPAT_NAMELEN(msg)	COMPAT_MSG(msg, msg_namelen)
 #define COMPAT_FLAGS(msg)	COMPAT_MSG(msg, msg_flags)
 
+struct used_address {
+	struct sockaddr_storage name;
+	unsigned int name_len;
+};
+
 static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
-			 struct msghdr *msg_sys, unsigned flags, int nosec)
+			 struct msghdr *msg_sys, unsigned flags,
+			 struct used_address *used_address)
 {
 	struct compat_msghdr __user *msg_compat =
 	    (struct compat_msghdr __user *)msg;
@@ -1953,8 +1959,30 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
 
 	if (sock->file->f_flags & O_NONBLOCK)
 		msg_sys->msg_flags |= MSG_DONTWAIT;
-	err = (nosec ? sock_sendmsg_nosec : sock_sendmsg)(sock, msg_sys,
-							  total_len);
+	/*
+	 * If this is sendmmsg() and current destination address is same as
+	 * previously succeeded address, omit asking LSM's decision.
+	 * used_address->name_len is initialized to UINT_MAX so that the first
+	 * destination address never matches.
+	 */
+	if (used_address && msg_sys->msg_name &&
+	    used_address->name_len == msg_sys->msg_namelen &&
+	    !memcmp(&used_address->name, msg_sys->msg_name,
+		    used_address->name_len)) {
+		err = sock_sendmsg_nosec(sock, msg_sys, total_len);
+		goto out_freectl;
+	}
+	err = sock_sendmsg(sock, msg_sys, total_len);
+	/*
+	 * If this is sendmmsg() and sending to current destination address was
+	 * successful, remember it.
+	 */
+	if (used_address && err >= 0) {
+		used_address->name_len = msg_sys->msg_namelen;
+		if (msg_sys->msg_name)
+			memcpy(&used_address->name, msg_sys->msg_name,
+			       used_address->name_len);
+	}
 
 out_freectl:
 	if (ctl_buf != ctl)
@@ -1979,7 +2007,7 @@ SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
 	if (!sock)
 		goto out;
 
-	err = __sys_sendmsg(sock, msg, &msg_sys, flags, 0);
+	err = __sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
 
 	fput_light(sock->file, fput_needed);
 out:
@@ -1998,6 +2026,10 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 	struct mmsghdr __user *entry;
 	struct compat_mmsghdr __user *compat_entry;
 	struct msghdr msg_sys;
+	struct used_address used_address;
+
+	if (vlen > UIO_MAXIOV)
+		vlen = UIO_MAXIOV;
 
 	datagrams = 0;
 
@@ -2005,27 +2037,22 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 	if (!sock)
 		return err;
 
-	err = sock_error(sock->sk);
-	if (err)
-		goto out_put;
-
+	used_address.name_len = UINT_MAX;
 	entry = mmsg;
 	compat_entry = (struct compat_mmsghdr __user *)mmsg;
+	err = 0;
 
 	while (datagrams < vlen) {
-		/*
-		 * No need to ask LSM for more than the first datagram.
-		 */
 		if (MSG_CMSG_COMPAT & flags) {
 			err = __sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
-					    &msg_sys, flags, datagrams);
+					    &msg_sys, flags, &used_address);
 			if (err < 0)
 				break;
 			err = __put_user(err, &compat_entry->msg_len);
 			++compat_entry;
 		} else {
 			err = __sys_sendmsg(sock, (struct msghdr __user *)entry,
-					    &msg_sys, flags, datagrams);
+					    &msg_sys, flags, &used_address);
 			if (err < 0)
 				break;
 			err = put_user(err, &entry->msg_len);
@@ -2037,29 +2064,11 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 		++datagrams;
 	}
 
-out_put:
 	fput_light(sock->file, fput_needed);
 
-	if (err == 0)
-		return datagrams;
-
-	if (datagrams != 0) {
-		/*
-		 * We may send less entries than requested (vlen) if the
-		 * sock is non blocking...
-		 */
-		if (err != -EAGAIN) {
-			/*
-			 * ... or if sendmsg returns an error after we
-			 * send some datagrams, where we record the
-			 * error to return on the next call or if the
-			 * app asks about it using getsockopt(SO_ERROR).
-			 */
-			sock->sk->sk_err = -err;
-		}
-
+	/* We only return an error if no datagrams were able to be sent */
+	if (datagrams != 0)
 		return datagrams;
-	}
 
 	return err;
 }
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index b2198e65d8bb..ffd243d09188 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -4,6 +4,10 @@ config SUNRPC
 config SUNRPC_GSS
 	tristate
 
+config SUNRPC_BACKCHANNEL
+	bool
+	depends on SUNRPC
+
 config SUNRPC_XPRT_RDMA
 	tristate
 	depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
diff --git a/net/sunrpc/Makefile b/net/sunrpc/Makefile
index 9d2fca5ad14a..8209a0411bca 100644
--- a/net/sunrpc/Makefile
+++ b/net/sunrpc/Makefile
@@ -13,6 +13,6 @@ sunrpc-y := clnt.o xprt.o socklib.o xprtsock.o sched.o \
 	    addr.o rpcb_clnt.o timer.o xdr.o \
 	    sunrpc_syms.o cache.o rpc_pipe.o \
 	    svc_xprt.o
-sunrpc-$(CONFIG_NFS_V4_1) += backchannel_rqst.o bc_svc.o
+sunrpc-$(CONFIG_SUNRPC_BACKCHANNEL) += backchannel_rqst.o bc_svc.o
 sunrpc-$(CONFIG_PROC_FS) += stats.o
 sunrpc-$(CONFIG_SYSCTL) += sysctl.o
diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c
index cf06af3b63c6..91eaa26e4c42 100644
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -29,8 +29,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define RPCDBG_FACILITY	RPCDBG_TRANS
 #endif
 
-#if defined(CONFIG_NFS_V4_1)
-
 /*
  * Helper routines that track the number of preallocation elements
  * on the transport.
@@ -174,7 +172,7 @@ out_free:
 	dprintk("RPC:       setup backchannel transport failed\n");
 	return -1;
 }
-EXPORT_SYMBOL(xprt_setup_backchannel);
+EXPORT_SYMBOL_GPL(xprt_setup_backchannel);
 
 /*
  * Destroys the backchannel preallocated structures.
@@ -204,7 +202,7 @@ void xprt_destroy_backchannel(struct rpc_xprt *xprt, unsigned int max_reqs)
 	dprintk("RPC:        backchannel list empty= %s\n",
 		list_empty(&xprt->bc_pa_list) ? "true" : "false");
 }
-EXPORT_SYMBOL(xprt_destroy_backchannel);
+EXPORT_SYMBOL_GPL(xprt_destroy_backchannel);
 
 /*
  * One or more rpc_rqst structure have been preallocated during the
@@ -279,4 +277,3 @@ void xprt_free_bc_request(struct rpc_rqst *req)
 	spin_unlock_bh(&xprt->bc_pa_lock);
 }
 
-#endif /* CONFIG_NFS_V4_1 */
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 1dd1a6890007..0b2eb388cbda 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -27,8 +27,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * reply over an existing open connection previously established by the client.
  */
 
-#if defined(CONFIG_NFS_V4_1)
-
 #include <linux/module.h>
 
 #include <linux/sunrpc/xprt.h>
@@ -63,4 +61,3 @@ int bc_send(struct rpc_rqst *req)
 	return ret;
 }
 
-#endif /* CONFIG_NFS_V4_1 */
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index c50818f0473b..c5347d29cfb7 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -64,9 +64,9 @@ static void	call_decode(struct rpc_task *task);
 static void	call_bind(struct rpc_task *task);
 static void	call_bind_status(struct rpc_task *task);
 static void	call_transmit(struct rpc_task *task);
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 static void	call_bc_transmit(struct rpc_task *task);
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 static void	call_status(struct rpc_task *task);
 static void	call_transmit_status(struct rpc_task *task);
 static void	call_refresh(struct rpc_task *task);
@@ -715,7 +715,7 @@ rpc_call_async(struct rpc_clnt *clnt, const struct rpc_message *msg, int flags,
 }
 EXPORT_SYMBOL_GPL(rpc_call_async);
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 /**
  * rpc_run_bc_task - Allocate a new RPC task for backchannel use, then run
  * rpc_execute against it
@@ -758,7 +758,7 @@ out:
 	dprintk("RPC: rpc_run_bc_task: task= %p\n", task);
 	return task;
 }
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 void
 rpc_call_start(struct rpc_task *task)
@@ -1361,7 +1361,7 @@ call_transmit_status(struct rpc_task *task)
 	}
 }
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 /*
  * 5b.	Send the backchannel RPC reply.  On error, drop the reply.  In
  * addition, disconnect on connectivity errors.
@@ -1425,7 +1425,7 @@ call_bc_transmit(struct rpc_task *task)
 	}
 	rpc_wake_up_queued_task(&req->rq_xprt->pending, task);
 }
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 /*
  * 6.	Sort out the RPC call status
@@ -1550,8 +1550,7 @@ call_decode(struct rpc_task *task)
 	kxdrdproc_t	decode = task->tk_msg.rpc_proc->p_decode;
 	__be32		*p;
 
-	dprintk("RPC: %5u call_decode (status %d)\n",
-			task->tk_pid, task->tk_status);
+	dprint_status(task);
 
 	if (task->tk_flags & RPC_CALL_MAJORSEEN) {
 		if (clnt->cl_chatty)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 4814e246a874..d12ffa545811 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -97,14 +97,16 @@ __rpc_add_timer(struct rpc_wait_queue *queue, struct rpc_task *task)
 /*
  * Add new request to a priority queue.
  */
-static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue, struct rpc_task *task)
+static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue,
+		struct rpc_task *task,
+		unsigned char queue_priority)
 {
 	struct list_head *q;
 	struct rpc_task *t;
 
 	INIT_LIST_HEAD(&task->u.tk_wait.links);
-	q = &queue->tasks[task->tk_priority];
-	if (unlikely(task->tk_priority > queue->maxpriority))
+	q = &queue->tasks[queue_priority];
+	if (unlikely(queue_priority > queue->maxpriority))
 		q = &queue->tasks[queue->maxpriority];
 	list_for_each_entry(t, q, u.tk_wait.list) {
 		if (t->tk_owner == task->tk_owner) {
@@ -123,12 +125,14 @@ static void __rpc_add_wait_queue_priority(struct rpc_wait_queue *queue, struct r
  * improve overall performance.
  * Everyone else gets appended to the queue to ensure proper FIFO behavior.
  */
-static void __rpc_add_wait_queue(struct rpc_wait_queue *queue, struct rpc_task *task)
+static void __rpc_add_wait_queue(struct rpc_wait_queue *queue,
+		struct rpc_task *task,
+		unsigned char queue_priority)
 {
 	BUG_ON (RPC_IS_QUEUED(task));
 
 	if (RPC_IS_PRIORITY(queue))
-		__rpc_add_wait_queue_priority(queue, task);
+		__rpc_add_wait_queue_priority(queue, task, queue_priority);
 	else if (RPC_IS_SWAPPER(task))
 		list_add(&task->u.tk_wait.list, &queue->tasks[0]);
 	else
@@ -311,13 +315,15 @@ static void rpc_make_runnable(struct rpc_task *task)
  * NB: An RPC task will only receive interrupt-driven events as long
  * as it's on a wait queue.
  */
-static void __rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
-			rpc_action action)
+static void __rpc_sleep_on_priority(struct rpc_wait_queue *q,
+		struct rpc_task *task,
+		rpc_action action,
+		unsigned char queue_priority)
 {
 	dprintk("RPC: %5u sleep_on(queue \"%s\" time %lu)\n",
 			task->tk_pid, rpc_qname(q), jiffies);
 
-	__rpc_add_wait_queue(q, task);
+	__rpc_add_wait_queue(q, task, queue_priority);
 
 	BUG_ON(task->tk_callback != NULL);
 	task->tk_callback = action;
@@ -334,11 +340,25 @@ void rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
 	 * Protect the queue operations.
 	 */
 	spin_lock_bh(&q->lock);
-	__rpc_sleep_on(q, task, action);
+	__rpc_sleep_on_priority(q, task, action, task->tk_priority);
 	spin_unlock_bh(&q->lock);
 }
 EXPORT_SYMBOL_GPL(rpc_sleep_on);
 
+void rpc_sleep_on_priority(struct rpc_wait_queue *q, struct rpc_task *task,
+		rpc_action action, int priority)
+{
+	/* We shouldn't ever put an inactive task to sleep */
+	BUG_ON(!RPC_IS_ACTIVATED(task));
+
+	/*
+	 * Protect the queue operations.
+	 */
+	spin_lock_bh(&q->lock);
+	__rpc_sleep_on_priority(q, task, action, priority - RPC_PRIORITY_LOW);
+	spin_unlock_bh(&q->lock);
+}
+
 /**
  * __rpc_do_wake_up_task - wake up a single rpc_task
  * @queue: wait queue
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2b90292e9505..6a69a1131fb7 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1252,7 +1252,7 @@ svc_process(struct svc_rqst *rqstp)
 	}
 }
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 /*
  * Process a backchannel RPC request that arrived over an existing
  * outbound connection
@@ -1300,8 +1300,8 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req,
 		return 0;
 	}
 }
-EXPORT_SYMBOL(bc_svc_process);
-#endif /* CONFIG_NFS_V4_1 */
+EXPORT_SYMBOL_GPL(bc_svc_process);
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 /*
  * Return (transport-specific) limit on the rpc payload.
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index f2cb5b881dea..767d494de7a2 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -68,12 +68,12 @@ static void		svc_sock_free(struct svc_xprt *);
 static struct svc_xprt *svc_create_socket(struct svc_serv *, int,
 					  struct net *, struct sockaddr *,
 					  int, int);
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
 					     struct net *, struct sockaddr *,
 					     int, int);
 static void svc_bc_sock_free(struct svc_xprt *xprt);
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 static struct lock_class_key svc_key[2];
@@ -1243,7 +1243,7 @@ static struct svc_xprt *svc_tcp_create(struct svc_serv *serv,
 	return svc_create_socket(serv, IPPROTO_TCP, net, sa, salen, flags);
 }
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 static struct svc_xprt *svc_bc_create_socket(struct svc_serv *, int,
 					     struct net *, struct sockaddr *,
 					     int, int);
@@ -1284,7 +1284,7 @@ static void svc_cleanup_bc_xprt_sock(void)
 {
 	svc_unreg_xprt_class(&svc_tcp_bc_class);
 }
-#else /* CONFIG_NFS_V4_1 */
+#else /* CONFIG_SUNRPC_BACKCHANNEL */
 static void svc_init_bc_xprt_sock(void)
 {
 }
@@ -1292,7 +1292,7 @@ static void svc_init_bc_xprt_sock(void)
 static void svc_cleanup_bc_xprt_sock(void)
 {
 }
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 static struct svc_xprt_ops svc_tcp_ops = {
 	.xpo_create = svc_tcp_create,
@@ -1623,7 +1623,7 @@ static void svc_sock_free(struct svc_xprt *xprt)
 	kfree(svsk);
 }
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 /*
  * Create a back channel svc_xprt which shares the fore channel socket.
  */
@@ -1662,4 +1662,4 @@ static void svc_bc_sock_free(struct svc_xprt *xprt)
 	if (xprt)
 		kfree(container_of(xprt, struct svc_sock, sk_xprt));
 }
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index f008c14ad34c..277ebd4bf095 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -126,7 +126,7 @@ xdr_terminate_string(struct xdr_buf *buf, const u32 len)
 	kaddr[buf->page_base + len] = '\0';
 	kunmap_atomic(kaddr, KM_USER0);
 }
-EXPORT_SYMBOL(xdr_terminate_string);
+EXPORT_SYMBOL_GPL(xdr_terminate_string);
 
 void
 xdr_encode_pages(struct xdr_buf *xdr, struct page **pages, unsigned int base,
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ce5eb68a9664..f4385e45a5fc 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -62,6 +62,7 @@
 /*
  * Local functions
  */
+static void	 xprt_init(struct rpc_xprt *xprt, struct net *net);
 static void	xprt_request_init(struct rpc_task *, struct rpc_xprt *);
 static void	xprt_connect_status(struct rpc_task *task);
 static int      __xprt_get_cong(struct rpc_xprt *, struct rpc_task *);
@@ -186,15 +187,16 @@ EXPORT_SYMBOL_GPL(xprt_load_transport);
 /**
  * xprt_reserve_xprt - serialize write access to transports
  * @task: task that is requesting access to the transport
+ * @xprt: pointer to the target transport
  *
  * This prevents mixing the payload of separate requests, and prevents
  * transport connects from colliding with writes.  No congestion control
  * is provided.
  */
-int xprt_reserve_xprt(struct rpc_task *task)
+int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
 {
 	struct rpc_rqst *req = task->tk_rqstp;
-	struct rpc_xprt	*xprt = req->rq_xprt;
+	int priority;
 
 	if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) {
 		if (task == xprt->snd_task)
@@ -202,8 +204,10 @@ int xprt_reserve_xprt(struct rpc_task *task)
 		goto out_sleep;
 	}
 	xprt->snd_task = task;
-	req->rq_bytes_sent = 0;
-	req->rq_ntrans++;
+	if (req != NULL) {
+		req->rq_bytes_sent = 0;
+		req->rq_ntrans++;
+	}
 
 	return 1;
 
@@ -212,10 +216,13 @@ out_sleep:
 			task->tk_pid, xprt);
 	task->tk_timeout = 0;
 	task->tk_status = -EAGAIN;
-	if (req->rq_ntrans)
-		rpc_sleep_on(&xprt->resend, task, NULL);
+	if (req == NULL)
+		priority = RPC_PRIORITY_LOW;
+	else if (!req->rq_ntrans)
+		priority = RPC_PRIORITY_NORMAL;
 	else
-		rpc_sleep_on(&xprt->sending, task, NULL);
+		priority = RPC_PRIORITY_HIGH;
+	rpc_sleep_on_priority(&xprt->sending, task, NULL, priority);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(xprt_reserve_xprt);
@@ -239,22 +246,24 @@ static void xprt_clear_locked(struct rpc_xprt *xprt)
  * integrated into the decision of whether a request is allowed to be
  * woken up and given access to the transport.
  */
-int xprt_reserve_xprt_cong(struct rpc_task *task)
+int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task)
 {
-	struct rpc_xprt	*xprt = task->tk_xprt;
 	struct rpc_rqst *req = task->tk_rqstp;
+	int priority;
 
 	if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) {
 		if (task == xprt->snd_task)
 			return 1;
 		goto out_sleep;
 	}
+	if (req == NULL) {
+		xprt->snd_task = task;
+		return 1;
+	}
 	if (__xprt_get_cong(xprt, task)) {
 		xprt->snd_task = task;
-		if (req) {
-			req->rq_bytes_sent = 0;
-			req->rq_ntrans++;
-		}
+		req->rq_bytes_sent = 0;
+		req->rq_ntrans++;
 		return 1;
 	}
 	xprt_clear_locked(xprt);
@@ -262,10 +271,13 @@ out_sleep:
 	dprintk("RPC: %5u failed to lock transport %p\n", task->tk_pid, xprt);
 	task->tk_timeout = 0;
 	task->tk_status = -EAGAIN;
-	if (req && req->rq_ntrans)
-		rpc_sleep_on(&xprt->resend, task, NULL);
+	if (req == NULL)
+		priority = RPC_PRIORITY_LOW;
+	else if (!req->rq_ntrans)
+		priority = RPC_PRIORITY_NORMAL;
 	else
-		rpc_sleep_on(&xprt->sending, task, NULL);
+		priority = RPC_PRIORITY_HIGH;
+	rpc_sleep_on_priority(&xprt->sending, task, NULL, priority);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(xprt_reserve_xprt_cong);
@@ -275,7 +287,7 @@ static inline int xprt_lock_write(struct rpc_xprt *xprt, struct rpc_task *task)
 	int retval;
 
 	spin_lock_bh(&xprt->transport_lock);
-	retval = xprt->ops->reserve_xprt(task);
+	retval = xprt->ops->reserve_xprt(xprt, task);
 	spin_unlock_bh(&xprt->transport_lock);
 	return retval;
 }
@@ -288,12 +300,9 @@ static void __xprt_lock_write_next(struct rpc_xprt *xprt)
 	if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
 		return;
 
-	task = rpc_wake_up_next(&xprt->resend);
-	if (!task) {
-		task = rpc_wake_up_next(&xprt->sending);
-		if (!task)
-			goto out_unlock;
-	}
+	task = rpc_wake_up_next(&xprt->sending);
+	if (task == NULL)
+		goto out_unlock;
 
 	req = task->tk_rqstp;
 	xprt->snd_task = task;
@@ -310,24 +319,25 @@ out_unlock:
 static void __xprt_lock_write_next_cong(struct rpc_xprt *xprt)
 {
 	struct rpc_task *task;
+	struct rpc_rqst *req;
 
 	if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
 		return;
 	if (RPCXPRT_CONGESTED(xprt))
 		goto out_unlock;
-	task = rpc_wake_up_next(&xprt->resend);
-	if (!task) {
-		task = rpc_wake_up_next(&xprt->sending);
-		if (!task)
-			goto out_unlock;
+	task = rpc_wake_up_next(&xprt->sending);
+	if (task == NULL)
+		goto out_unlock;
+
+	req = task->tk_rqstp;
+	if (req == NULL) {
+		xprt->snd_task = task;
+		return;
 	}
 	if (__xprt_get_cong(xprt, task)) {
-		struct rpc_rqst *req = task->tk_rqstp;
 		xprt->snd_task = task;
-		if (req) {
-			req->rq_bytes_sent = 0;
-			req->rq_ntrans++;
-		}
+		req->rq_bytes_sent = 0;
+		req->rq_ntrans++;
 		return;
 	}
 out_unlock:
@@ -852,7 +862,7 @@ int xprt_prepare_transmit(struct rpc_task *task)
 		err = req->rq_reply_bytes_recvd;
 		goto out_unlock;
 	}
-	if (!xprt->ops->reserve_xprt(task))
+	if (!xprt->ops->reserve_xprt(xprt, task))
 		err = -EAGAIN;
 out_unlock:
 	spin_unlock_bh(&xprt->transport_lock);
@@ -928,28 +938,66 @@ void xprt_transmit(struct rpc_task *task)
 	spin_unlock_bh(&xprt->transport_lock);
 }
 
+static struct rpc_rqst *xprt_dynamic_alloc_slot(struct rpc_xprt *xprt, gfp_t gfp_flags)
+{
+	struct rpc_rqst *req = ERR_PTR(-EAGAIN);
+
+	if (!atomic_add_unless(&xprt->num_reqs, 1, xprt->max_reqs))
+		goto out;
+	req = kzalloc(sizeof(struct rpc_rqst), gfp_flags);
+	if (req != NULL)
+		goto out;
+	atomic_dec(&xprt->num_reqs);
+	req = ERR_PTR(-ENOMEM);
+out:
+	return req;
+}
+
+static bool xprt_dynamic_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
+{
+	if (atomic_add_unless(&xprt->num_reqs, -1, xprt->min_reqs)) {
+		kfree(req);
+		return true;
+	}
+	return false;
+}
+
 static void xprt_alloc_slot(struct rpc_task *task)
 {
 	struct rpc_xprt	*xprt = task->tk_xprt;
+	struct rpc_rqst *req;
 
-	task->tk_status = 0;
-	if (task->tk_rqstp)
-		return;
 	if (!list_empty(&xprt->free)) {
-		struct rpc_rqst	*req = list_entry(xprt->free.next, struct rpc_rqst, rq_list);
-		list_del_init(&req->rq_list);
-		task->tk_rqstp = req;
-		xprt_request_init(task, xprt);
-		return;
+		req = list_entry(xprt->free.next, struct rpc_rqst, rq_list);
+		list_del(&req->rq_list);
+		goto out_init_req;
+	}
+	req = xprt_dynamic_alloc_slot(xprt, GFP_NOWAIT);
+	if (!IS_ERR(req))
+		goto out_init_req;
+	switch (PTR_ERR(req)) {
+	case -ENOMEM:
+		rpc_delay(task, HZ >> 2);
+		dprintk("RPC:       dynamic allocation of request slot "
+				"failed! Retrying\n");
+		break;
+	case -EAGAIN:
+		rpc_sleep_on(&xprt->backlog, task, NULL);
+		dprintk("RPC:       waiting for request slot\n");
 	}
-	dprintk("RPC:       waiting for request slot\n");
 	task->tk_status = -EAGAIN;
-	task->tk_timeout = 0;
-	rpc_sleep_on(&xprt->backlog, task, NULL);
+	return;
+out_init_req:
+	task->tk_status = 0;
+	task->tk_rqstp = req;
+	xprt_request_init(task, xprt);
 }
 
 static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 {
+	if (xprt_dynamic_free_slot(xprt, req))
+		return;
+
 	memset(req, 0, sizeof(*req));	/* mark unused */
 
 	spin_lock(&xprt->reserve_lock);
@@ -958,25 +1006,49 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 	spin_unlock(&xprt->reserve_lock);
 }
 
-struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req)
+static void xprt_free_all_slots(struct rpc_xprt *xprt)
+{
+	struct rpc_rqst *req;
+	while (!list_empty(&xprt->free)) {
+		req = list_first_entry(&xprt->free, struct rpc_rqst, rq_list);
+		list_del(&req->rq_list);
+		kfree(req);
+	}
+}
+
+struct rpc_xprt *xprt_alloc(struct net *net, size_t size,
+		unsigned int num_prealloc,
+		unsigned int max_alloc)
 {
 	struct rpc_xprt *xprt;
+	struct rpc_rqst *req;
+	int i;
 
 	xprt = kzalloc(size, GFP_KERNEL);
 	if (xprt == NULL)
 		goto out;
-	atomic_set(&xprt->count, 1);
 
-	xprt->max_reqs = max_req;
-	xprt->slot = kcalloc(max_req, sizeof(struct rpc_rqst), GFP_KERNEL);
-	if (xprt->slot == NULL)
+	xprt_init(xprt, net);
+
+	for (i = 0; i < num_prealloc; i++) {
+		req = kzalloc(sizeof(struct rpc_rqst), GFP_KERNEL);
+		if (!req)
+			break;
+		list_add(&req->rq_list, &xprt->free);
+	}
+	if (i < num_prealloc)
 		goto out_free;
+	if (max_alloc > num_prealloc)
+		xprt->max_reqs = max_alloc;
+	else
+		xprt->max_reqs = num_prealloc;
+	xprt->min_reqs = num_prealloc;
+	atomic_set(&xprt->num_reqs, num_prealloc);
 
-	xprt->xprt_net = get_net(net);
 	return xprt;
 
 out_free:
-	kfree(xprt);
+	xprt_free(xprt);
 out:
 	return NULL;
 }
@@ -985,7 +1057,7 @@ EXPORT_SYMBOL_GPL(xprt_alloc);
 void xprt_free(struct rpc_xprt *xprt)
 {
 	put_net(xprt->xprt_net);
-	kfree(xprt->slot);
+	xprt_free_all_slots(xprt);
 	kfree(xprt);
 }
 EXPORT_SYMBOL_GPL(xprt_free);
@@ -1001,10 +1073,24 @@ void xprt_reserve(struct rpc_task *task)
 {
 	struct rpc_xprt	*xprt = task->tk_xprt;
 
-	task->tk_status = -EIO;
+	task->tk_status = 0;
+	if (task->tk_rqstp != NULL)
+		return;
+
+	/* Note: grabbing the xprt_lock_write() here is not strictly needed,
+	 * but ensures that we throttle new slot allocation if the transport
+	 * is congested (e.g. if reconnecting or if we're out of socket
+	 * write buffer space).
+	 */
+	task->tk_timeout = 0;
+	task->tk_status = -EAGAIN;
+	if (!xprt_lock_write(xprt, task))
+		return;
+
 	spin_lock(&xprt->reserve_lock);
 	xprt_alloc_slot(task);
 	spin_unlock(&xprt->reserve_lock);
+	xprt_release_write(xprt, task);
 }
 
 static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
@@ -1021,6 +1107,7 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
 {
 	struct rpc_rqst	*req = task->tk_rqstp;
 
+	INIT_LIST_HEAD(&req->rq_list);
 	req->rq_timeout = task->tk_client->cl_timeout->to_initval;
 	req->rq_task	= task;
 	req->rq_xprt    = xprt;
@@ -1073,6 +1160,34 @@ void xprt_release(struct rpc_task *task)
 		xprt_free_bc_request(req);
 }
 
+static void xprt_init(struct rpc_xprt *xprt, struct net *net)
+{
+	atomic_set(&xprt->count, 1);
+
+	spin_lock_init(&xprt->transport_lock);
+	spin_lock_init(&xprt->reserve_lock);
+
+	INIT_LIST_HEAD(&xprt->free);
+	INIT_LIST_HEAD(&xprt->recv);
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
+	spin_lock_init(&xprt->bc_pa_lock);
+	INIT_LIST_HEAD(&xprt->bc_pa_list);
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
+
+	xprt->last_used = jiffies;
+	xprt->cwnd = RPC_INITCWND;
+	xprt->bind_index = 0;
+
+	rpc_init_wait_queue(&xprt->binding, "xprt_binding");
+	rpc_init_wait_queue(&xprt->pending, "xprt_pending");
+	rpc_init_priority_wait_queue(&xprt->sending, "xprt_sending");
+	rpc_init_priority_wait_queue(&xprt->backlog, "xprt_backlog");
+
+	xprt_init_xid(xprt);
+
+	xprt->xprt_net = get_net(net);
+}
+
 /**
  * xprt_create_transport - create an RPC transport
  * @args: rpc transport creation arguments
@@ -1081,7 +1196,6 @@ void xprt_release(struct rpc_task *task)
 struct rpc_xprt *xprt_create_transport(struct xprt_create *args)
 {
 	struct rpc_xprt	*xprt;
-	struct rpc_rqst	*req;
 	struct xprt_class *t;
 
 	spin_lock(&xprt_list_lock);
@@ -1100,46 +1214,17 @@ found:
 	if (IS_ERR(xprt)) {
 		dprintk("RPC:       xprt_create_transport: failed, %ld\n",
 				-PTR_ERR(xprt));
-		return xprt;
+		goto out;
 	}
-	if (test_and_set_bit(XPRT_INITIALIZED, &xprt->state))
-		/* ->setup returned a pre-initialized xprt: */
-		return xprt;
-
-	spin_lock_init(&xprt->transport_lock);
-	spin_lock_init(&xprt->reserve_lock);
-
-	INIT_LIST_HEAD(&xprt->free);
-	INIT_LIST_HEAD(&xprt->recv);
-#if defined(CONFIG_NFS_V4_1)
-	spin_lock_init(&xprt->bc_pa_lock);
-	INIT_LIST_HEAD(&xprt->bc_pa_list);
-#endif /* CONFIG_NFS_V4_1 */
-
 	INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
 	if (xprt_has_timer(xprt))
 		setup_timer(&xprt->timer, xprt_init_autodisconnect,
 			    (unsigned long)xprt);
 	else
 		init_timer(&xprt->timer);
-	xprt->last_used = jiffies;
-	xprt->cwnd = RPC_INITCWND;
-	xprt->bind_index = 0;
-
-	rpc_init_wait_queue(&xprt->binding, "xprt_binding");
-	rpc_init_wait_queue(&xprt->pending, "xprt_pending");
-	rpc_init_wait_queue(&xprt->sending, "xprt_sending");
-	rpc_init_wait_queue(&xprt->resend, "xprt_resend");
-	rpc_init_priority_wait_queue(&xprt->backlog, "xprt_backlog");
-
-	/* initialize free list */
-	for (req = &xprt->slot[xprt->max_reqs-1]; req >= &xprt->slot[0]; req--)
-		list_add(&req->rq_list, &xprt->free);
-
-	xprt_init_xid(xprt);
-
 	dprintk("RPC:       created transport %p with %u slots\n", xprt,
 			xprt->max_reqs);
+out:
 	return xprt;
 }
 
@@ -1157,7 +1242,6 @@ static void xprt_destroy(struct rpc_xprt *xprt)
 	rpc_destroy_wait_queue(&xprt->binding);
 	rpc_destroy_wait_queue(&xprt->pending);
 	rpc_destroy_wait_queue(&xprt->sending);
-	rpc_destroy_wait_queue(&xprt->resend);
 	rpc_destroy_wait_queue(&xprt->backlog);
 	cancel_work_sync(&xprt->task_cleanup);
 	/*
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 0867070bb5ca..b446e100286f 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -283,6 +283,7 @@ xprt_setup_rdma(struct xprt_create *args)
 	}
 
 	xprt = xprt_alloc(args->net, sizeof(struct rpcrdma_xprt),
+			xprt_rdma_slot_table_entries,
 			xprt_rdma_slot_table_entries);
 	if (xprt == NULL) {
 		dprintk("RPC:       %s: couldn't allocate rpcrdma_xprt\n",
@@ -452,9 +453,8 @@ xprt_rdma_connect(struct rpc_task *task)
 }
 
 static int
-xprt_rdma_reserve_xprt(struct rpc_task *task)
+xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
 {
-	struct rpc_xprt *xprt = task->tk_xprt;
 	struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
 	int credits = atomic_read(&r_xprt->rx_buf.rb_credits);
 
@@ -466,7 +466,7 @@ xprt_rdma_reserve_xprt(struct rpc_task *task)
 		BUG_ON(r_xprt->rx_buf.rb_cwndscale <= 0);
 	}
 	xprt->cwnd = credits * r_xprt->rx_buf.rb_cwndscale;
-	return xprt_reserve_xprt_cong(task);
+	return xprt_reserve_xprt_cong(xprt, task);
 }
 
 /*
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index cae761a8536c..08c5d5a128fc 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -42,7 +42,7 @@
 
 #include <linux/wait.h> 		/* wait_queue_head_t, etc */
 #include <linux/spinlock.h> 		/* spinlock_t, etc */
-#include <asm/atomic.h>			/* atomic_t, etc */
+#include <linux/atomic.h>			/* atomic_t, etc */
 
 #include <rdma/rdma_cm.h>		/* RDMA connection api */
 #include <rdma/ib_verbs.h>		/* RDMA verbs api */
@@ -109,7 +109,7 @@ struct rpcrdma_ep {
  */
 
 /* temporary static scatter/gather max */
-#define RPCRDMA_MAX_DATA_SEGS	(8)	/* max scatter/gather */
+#define RPCRDMA_MAX_DATA_SEGS	(64)	/* max scatter/gather */
 #define RPCRDMA_MAX_SEGS 	(RPCRDMA_MAX_DATA_SEGS + 2) /* head+tail = 2 */
 #define MAX_RPCRDMAHDR	(\
 	/* max supported RPC/RDMA header */ \
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 72abb7358933..d7f97ef26590 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -37,7 +37,7 @@
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/xprtsock.h>
 #include <linux/file.h>
-#ifdef CONFIG_NFS_V4_1
+#ifdef CONFIG_SUNRPC_BACKCHANNEL
 #include <linux/sunrpc/bc_xprt.h>
 #endif
 
@@ -54,7 +54,8 @@ static void xs_close(struct rpc_xprt *xprt);
  * xprtsock tunables
  */
 unsigned int xprt_udp_slot_table_entries = RPC_DEF_SLOT_TABLE;
-unsigned int xprt_tcp_slot_table_entries = RPC_DEF_SLOT_TABLE;
+unsigned int xprt_tcp_slot_table_entries = RPC_MIN_SLOT_TABLE;
+unsigned int xprt_max_tcp_slot_table_entries = RPC_MAX_SLOT_TABLE;
 
 unsigned int xprt_min_resvport = RPC_DEF_MIN_RESVPORT;
 unsigned int xprt_max_resvport = RPC_DEF_MAX_RESVPORT;
@@ -75,6 +76,7 @@ static unsigned int xs_tcp_fin_timeout __read_mostly = XS_TCP_LINGER_TO;
 
 static unsigned int min_slot_table_size = RPC_MIN_SLOT_TABLE;
 static unsigned int max_slot_table_size = RPC_MAX_SLOT_TABLE;
+static unsigned int max_tcp_slot_table_limit = RPC_MAX_SLOT_TABLE_LIMIT;
 static unsigned int xprt_min_resvport_limit = RPC_MIN_RESVPORT;
 static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT;
 
@@ -104,6 +106,15 @@ static ctl_table xs_tunables_table[] = {
 		.extra2		= &max_slot_table_size
 	},
 	{
+		.procname	= "tcp_max_slot_table_entries",
+		.data		= &xprt_max_tcp_slot_table_entries,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= &min_slot_table_size,
+		.extra2		= &max_tcp_slot_table_limit
+	},
+	{
 		.procname	= "min_resvport",
 		.data		= &xprt_min_resvport,
 		.maxlen		= sizeof(unsigned int),
@@ -755,6 +766,8 @@ static void xs_tcp_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
 	if (task == NULL)
 		goto out_release;
 	req = task->tk_rqstp;
+	if (req == NULL)
+		goto out_release;
 	if (req->rq_bytes_sent == 0)
 		goto out_release;
 	if (req->rq_bytes_sent == req->rq_snd_buf.len)
@@ -1236,7 +1249,7 @@ static inline int xs_tcp_read_reply(struct rpc_xprt *xprt,
 	return 0;
 }
 
-#if defined(CONFIG_NFS_V4_1)
+#if defined(CONFIG_SUNRPC_BACKCHANNEL)
 /*
  * Obtains an rpc_rqst previously allocated and invokes the common
  * tcp read code to read the data.  The result is placed in the callback
@@ -1299,7 +1312,7 @@ static inline int _xs_tcp_read_data(struct rpc_xprt *xprt,
 {
 	return xs_tcp_read_reply(xprt, desc);
 }
-#endif /* CONFIG_NFS_V4_1 */
+#endif /* CONFIG_SUNRPC_BACKCHANNEL */
 
 /*
  * Read data off the transport.  This can be either an RPC_CALL or an
@@ -2489,7 +2502,8 @@ static int xs_init_anyaddr(const int family, struct sockaddr *sap)
 }
 
 static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
-				      unsigned int slot_table_size)
+				      unsigned int slot_table_size,
+				      unsigned int max_slot_table_size)
 {
 	struct rpc_xprt *xprt;
 	struct sock_xprt *new;
@@ -2499,7 +2513,8 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
 		return ERR_PTR(-EBADF);
 	}
 
-	xprt = xprt_alloc(args->net, sizeof(*new), slot_table_size);
+	xprt = xprt_alloc(args->net, sizeof(*new), slot_table_size,
+			max_slot_table_size);
 	if (xprt == NULL) {
 		dprintk("RPC:       xs_setup_xprt: couldn't allocate "
 				"rpc_xprt\n");
@@ -2541,7 +2556,8 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
 	struct rpc_xprt *xprt;
 	struct rpc_xprt *ret;
 
-	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+			xprt_max_tcp_slot_table_entries);
 	if (IS_ERR(xprt))
 		return xprt;
 	transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2605,7 +2621,8 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
 	struct sock_xprt *transport;
 	struct rpc_xprt *ret;
 
-	xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries);
+	xprt = xs_setup_xprt(args, xprt_udp_slot_table_entries,
+			xprt_udp_slot_table_entries);
 	if (IS_ERR(xprt))
 		return xprt;
 	transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2681,7 +2698,8 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
 	struct sock_xprt *transport;
 	struct rpc_xprt *ret;
 
-	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+			xprt_max_tcp_slot_table_entries);
 	if (IS_ERR(xprt))
 		return xprt;
 	transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2760,7 +2778,8 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
 		 */
 		 return args->bc_xprt->xpt_bc_xprt;
 	}
-	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+	xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries,
+			xprt_tcp_slot_table_entries);
 	if (IS_ERR(xprt))
 		return xprt;
 	transport = container_of(xprt, struct sock_xprt, xprt);
@@ -2947,8 +2966,26 @@ static struct kernel_param_ops param_ops_slot_table_size = {
 #define param_check_slot_table_size(name, p) \
 	__param_check(name, p, unsigned int);
 
+static int param_set_max_slot_table_size(const char *val,
+				     const struct kernel_param *kp)
+{
+	return param_set_uint_minmax(val, kp,
+			RPC_MIN_SLOT_TABLE,
+			RPC_MAX_SLOT_TABLE_LIMIT);
+}
+
+static struct kernel_param_ops param_ops_max_slot_table_size = {
+	.set = param_set_max_slot_table_size,
+	.get = param_get_uint,
+};
+
+#define param_check_max_slot_table_size(name, p) \
+	__param_check(name, p, unsigned int);
+
 module_param_named(tcp_slot_table_entries, xprt_tcp_slot_table_entries,
 		   slot_table_size, 0644);
+module_param_named(tcp_max_slot_table_entries, xprt_max_tcp_slot_table_entries,
+		   max_slot_table_size, 0644);
 module_param_named(udp_slot_table_entries, xprt_udp_slot_table_entries,
 		   slot_table_size, 0644);
 
diff --git a/net/tipc/core.h b/net/tipc/core.h
index d234a98a460a..2761af36d141 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -47,7 +47,7 @@
 #include <linux/string.h>
 #include <asm/uaccess.h>
 #include <linux/interrupt.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/hardirq.h>
 #include <linux/netdevice.h>
 #include <linux/in.h>
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 645437cfc464..c14865172da7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -616,6 +616,9 @@ int wiphy_register(struct wiphy *wiphy)
 	if (res)
 		goto out_rm_dev;
 
+	rtnl_lock();
+	rdev->wiphy.registered = true;
+	rtnl_unlock();
 	return 0;
 
 out_rm_dev:
@@ -647,6 +650,10 @@ void wiphy_unregister(struct wiphy *wiphy)
 {
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
+	rtnl_lock();
+	rdev->wiphy.registered = false;
+	rtnl_unlock();
+
 	rfkill_unregister(rdev->rfkill);
 
 	/* protect the device list */
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 28d2aa109bee..e83e7fee3bc0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3464,7 +3464,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 				    tmp) {
 			enum ieee80211_band band = nla_type(attr);
 
-			if (band < 0 || band > IEEE80211_NUM_BANDS) {
+			if (band < 0 || band >= IEEE80211_NUM_BANDS) {
 				err = -EINVAL;
 				goto out_free;
 			}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 1ad0f39fe091..02751dbc5a97 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -903,7 +903,7 @@ static bool ignore_reg_update(struct wiphy *wiphy,
 	    initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
 	    !is_world_regdom(last_request->alpha2)) {
 		REG_DBG_PRINT("Ignoring regulatory request %s "
-			      "since the driver requires its own regulaotry "
+			      "since the driver requires its own regulatory "
 			      "domain to be set first",
 			      reg_initiator_name(initiator));
 		return true;
@@ -1125,12 +1125,13 @@ void wiphy_update_regulatory(struct wiphy *wiphy,
 	enum ieee80211_band band;
 
 	if (ignore_reg_update(wiphy, initiator))
-		goto out;
+		return;
+
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		if (wiphy->bands[band])
 			handle_band(wiphy, band, initiator);
 	}
-out:
+
 	reg_process_beacons(wiphy);
 	reg_process_ht_flags(wiphy);
 	if (wiphy->reg_notifier)
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index c6e4ca6a7d2e..ff574597a854 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,8 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
 
 	if (rdev->ops->suspend) {
 		rtnl_lock();
-		ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
+		if (rdev->wiphy.registered)
+			ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
 		rtnl_unlock();
 	}
 
@@ -112,7 +113,8 @@ static int wiphy_resume(struct device *dev)
 
 	if (rdev->ops->resume) {
 		rtnl_lock();
-		ret = rdev->ops->resume(&rdev->wiphy);
+		if (rdev->wiphy.registered)
+			ret = rdev->ops->resume(&rdev->wiphy);
 		rtnl_unlock();
 	}
 
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 58064d9e565d..791ab2e77f3f 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -462,8 +462,8 @@ static struct xfrm_algo_desc ealg_list[] = {
 	.desc = {
 		.sadb_alg_id = SADB_X_EALG_AESCTR,
 		.sadb_alg_ivlen	= 8,
-		.sadb_alg_minbits = 128,
-		.sadb_alg_maxbits = 256
+		.sadb_alg_minbits = 160,
+		.sadb_alg_maxbits = 288
 	}
 },
 };