Merge commit 'v2.6.30' into for-2.6.31

85 files changed, 961 insertions, 763 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 2b7390e377b..d1e10546eb8 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -492,6 +492,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 				continue;
 
 			dev_change_flags(vlandev, flgs & ~IFF_UP);
+			vlan_transfer_operstate(dev, vlandev);
 		}
 		break;
 
@@ -507,6 +508,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 				continue;
 
 			dev_change_flags(vlandev, flgs | IFF_UP);
+			vlan_transfer_operstate(dev, vlandev);
 		}
 		break;
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 1b34135cf99..b4b9068e55a 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -462,6 +462,7 @@ static int vlan_dev_open(struct net_device *dev)
 	if (vlan->flags & VLAN_FLAG_GVRP)
 		vlan_gvrp_request_join(dev);
 
+	netif_carrier_on(dev);
 	return 0;
 
 clear_allmulti:
@@ -471,6 +472,7 @@ del_unicast:
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
 		dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
 out:
+	netif_carrier_off(dev);
 	return err;
 }
 
@@ -492,6 +494,7 @@ static int vlan_dev_stop(struct net_device *dev)
 	if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
 		dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len);
 
+	netif_carrier_off(dev);
 	return 0;
 }
 
@@ -612,6 +615,8 @@ static int vlan_dev_init(struct net_device *dev)
 	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
 	int subclass = 0;
 
+	netif_carrier_off(dev);
+
 	/* IFF_BROADCAST|IFF_MULTICAST; ??? */
 	dev->flags  = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
 	dev->iflink = real_dev->ifindex;
@@ -668,7 +673,8 @@ static int vlan_ethtool_get_settings(struct net_device *dev,
 	const struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	struct net_device *real_dev = vlan->real_dev;
 
-	if (!real_dev->ethtool_ops->get_settings)
+	if (!real_dev->ethtool_ops ||
+	    !real_dev->ethtool_ops->get_settings)
 		return -EOPNOTSUPP;
 
 	return real_dev->ethtool_ops->get_settings(real_dev, cmd);
diff --git a/net/9p/client.c b/net/9p/client.c
index 1eb580c38fb..dd43a8289b0 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -203,7 +203,6 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 	p9pdu_reset(req->tc);
 	p9pdu_reset(req->rc);
 
-	req->flush_tag = 0;
 	req->tc->tag = tag-1;
 	req->status = REQ_STATUS_ALLOC;
 
@@ -324,35 +323,9 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
  */
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req)
 {
-	struct p9_req_t *other_req;
-	unsigned long flags;
-
 	P9_DPRINTK(P9_DEBUG_MUX, " tag %d\n", req->tc->tag);
-
-	if (req->status == REQ_STATUS_ERROR)
-		wake_up(req->wq);
-
-	if (req->flush_tag) { 			/* flush receive path */
-		P9_DPRINTK(P9_DEBUG_9P, "<<< RFLUSH %d\n", req->tc->tag);
-		spin_lock_irqsave(&c->lock, flags);
-		other_req = p9_tag_lookup(c, req->flush_tag);
-		if (other_req->status != REQ_STATUS_FLSH) /* stale flush */
-			spin_unlock_irqrestore(&c->lock, flags);
-		else {
-			other_req->status = REQ_STATUS_FLSHD;
-			spin_unlock_irqrestore(&c->lock, flags);
-			wake_up(other_req->wq);
-		}
-		p9_free_req(c, req);
-	} else { 				/* normal receive path */
-		P9_DPRINTK(P9_DEBUG_MUX, "normal: tag %d\n", req->tc->tag);
-		spin_lock_irqsave(&c->lock, flags);
-		if (req->status != REQ_STATUS_FLSHD)
-			req->status = REQ_STATUS_RCVD;
-		spin_unlock_irqrestore(&c->lock, flags);
-		wake_up(req->wq);
-		P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
-	}
+	wake_up(req->wq);
+	P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
 }
 EXPORT_SYMBOL(p9_client_cb);
 
@@ -486,9 +459,15 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq)
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	req->flush_tag = oldtag;
 
-	/* we don't free anything here because RPC isn't complete */
+	/* if we haven't received a response for oldreq,
+	   remove it from the list. */
+	spin_lock(&c->lock);
+	if (oldreq->status == REQ_STATUS_FLSH)
+		list_del(&oldreq->req_list);
+	spin_unlock(&c->lock);
+
+	p9_free_req(c, req);
 	return 0;
 }
 
@@ -509,7 +488,6 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 	struct p9_req_t *req;
 	unsigned long flags;
 	int sigpending;
-	int flushed = 0;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type);
 
@@ -546,42 +524,28 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 		goto reterr;
 	}
 
-	/* if it was a flush we just transmitted, return our tag */
-	if (type == P9_TFLUSH)
-		return req;
-again:
 	P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d\n", req->wq, tag);
 	err = wait_event_interruptible(*req->wq,
 						req->status >= REQ_STATUS_RCVD);
-	P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d (flushed=%d)\n",
-						req->wq, tag, err, flushed);
+	P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d\n",
+						req->wq, tag, err);
 
 	if (req->status == REQ_STATUS_ERROR) {
 		P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err);
 		err = req->t_err;
-	} else if (err == -ERESTARTSYS && flushed) {
-		P9_DPRINTK(P9_DEBUG_MUX, "flushed - going again\n");
-		goto again;
-	} else if (req->status == REQ_STATUS_FLSHD) {
-		P9_DPRINTK(P9_DEBUG_MUX, "flushed - erestartsys\n");
-		err = -ERESTARTSYS;
 	}
 
-	if ((err == -ERESTARTSYS) && (c->status == Connected) && (!flushed)) {
+	if ((err == -ERESTARTSYS) && (c->status == Connected)) {
 		P9_DPRINTK(P9_DEBUG_MUX, "flushing\n");
-		spin_lock_irqsave(&c->lock, flags);
-		if (req->status == REQ_STATUS_SENT)
-			req->status = REQ_STATUS_FLSH;
-		spin_unlock_irqrestore(&c->lock, flags);
 		sigpending = 1;
-		flushed = 1;
 		clear_thread_flag(TIF_SIGPENDING);
 
-		if (c->trans_mod->cancel(c, req)) {
-			err = p9_client_flush(c, req);
-			if (err == 0)
-				goto again;
-		}
+		if (c->trans_mod->cancel(c, req))
+			p9_client_flush(c, req);
+
+		/* if we received the response anyway, don't signal error */
+		if (req->status == REQ_STATUS_RCVD)
+			err = 0;
 	}
 
 	if (sigpending) {
@@ -1244,19 +1208,53 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
 		ret->name, ret->uid, ret->gid, ret->muid, ret->extension,
 		ret->n_uid, ret->n_gid, ret->n_muid);
 
+	p9_free_req(clnt, req);
+	return ret;
+
 free_and_error:
 	p9_free_req(clnt, req);
 error:
-	return ret;
+	kfree(ret);
+	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_stat);
 
+static int p9_client_statsize(struct p9_wstat *wst, int optional)
+{
+	int ret;
+
+	/* size[2] type[2] dev[4] qid[13] */
+	/* mode[4] atime[4] mtime[4] length[8]*/
+	/* name[s] uid[s] gid[s] muid[s] */
+	ret = 2+2+4+13+4+4+4+8+2+2+2+2;
+
+	if (wst->name)
+		ret += strlen(wst->name);
+	if (wst->uid)
+		ret += strlen(wst->uid);
+	if (wst->gid)
+		ret += strlen(wst->gid);
+	if (wst->muid)
+		ret += strlen(wst->muid);
+
+	if (optional) {
+		ret += 2+4+4+4;	/* extension[s] n_uid[4] n_gid[4] n_muid[4] */
+		if (wst->extension)
+			ret += strlen(wst->extension);
+	}
+
+	return ret;
+}
+
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 {
 	int err;
 	struct p9_req_t *req;
 	struct p9_client *clnt;
 
+	err = 0;
+	clnt = fid->clnt;
+	wst->size = p9_client_statsize(wst, clnt->dotu);
 	P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
 	P9_DPRINTK(P9_DEBUG_9P,
 		"     sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
@@ -1268,10 +1266,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 		wst->atime, wst->mtime, (unsigned long long)wst->length,
 		wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
 		wst->n_uid, wst->n_gid, wst->n_muid);
-	err = 0;
-	clnt = fid->clnt;
 
-	req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, 0, wst);
+	req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size, wst);
 	if (IS_ERR(req)) {
 		err = PTR_ERR(req);
 		goto error;
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index c613ed08a5e..a2a1814c7a8 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -213,8 +213,8 @@ static void p9_conn_cancel(struct p9_conn *m, int err)
 	spin_unlock_irqrestore(&m->client->lock, flags);
 
 	list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
-		list_del(&req->req_list);
 		P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req);
+		list_del(&req->req_list);
 		p9_client_cb(m->client, req);
 	}
 }
@@ -336,7 +336,8 @@ static void p9_read_work(struct work_struct *work)
 			"mux %p pkt: size: %d bytes tag: %d\n", m, n, tag);
 
 		m->req = p9_tag_lookup(m->client, tag);
-		if (!m->req) {
+		if (!m->req || (m->req->status != REQ_STATUS_SENT &&
+					m->req->status != REQ_STATUS_FLSH)) {
 			P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n",
 								 tag);
 			err = -EIO;
@@ -361,10 +362,11 @@ static void p9_read_work(struct work_struct *work)
 	if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
 		P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n");
 		spin_lock(&m->client->lock);
+		if (m->req->status != REQ_STATUS_ERROR)
+			m->req->status = REQ_STATUS_RCVD;
 		list_del(&m->req->req_list);
 		spin_unlock(&m->client->lock);
 		p9_client_cb(m->client, m->req);
-
 		m->rbuf = NULL;
 		m->rpos = 0;
 		m->rsize = 0;
@@ -454,6 +456,7 @@ static void p9_write_work(struct work_struct *work)
 		req = list_entry(m->unsent_req_list.next, struct p9_req_t,
 			       req_list);
 		req->status = REQ_STATUS_SENT;
+		P9_DPRINTK(P9_DEBUG_TRANS, "move req %p\n", req);
 		list_move_tail(&req->req_list, &m->req_list);
 
 		m->wbuf = req->tc->sdata;
@@ -683,12 +686,13 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 	P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req);
 
 	spin_lock(&client->lock);
-	list_del(&req->req_list);
 
 	if (req->status == REQ_STATUS_UNSENT) {
+		list_del(&req->req_list);
 		req->status = REQ_STATUS_FLSHD;
 		ret = 0;
-	}
+	} else if (req->status == REQ_STATUS_SENT)
+		req->status = REQ_STATUS_FLSH;
 
 	spin_unlock(&client->lock);
 
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 7fa0eb20b2f..ac4990041eb 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -295,6 +295,7 @@ handle_recv(struct p9_client *client, struct p9_trans_rdma *rdma,
 		goto err_out;
 
 	req->rc = c->rc;
+	req->status = REQ_STATUS_RCVD;
 	p9_client_cb(client, req);
 
 	return;
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 2d7781ec663..bb8579a141a 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -134,6 +134,7 @@ static void req_done(struct virtqueue *vq)
 		P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
 		P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
 		req = p9_tag_lookup(chan->client, rc->tag);
+		req->status = REQ_STATUS_RCVD;
 		p9_client_cb(chan->client, req);
 	}
 }
diff --git a/net/Kconfig b/net/Kconfig
index ce77db4fcec..c19f549c8e7 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -119,12 +119,6 @@ menuconfig NETFILTER
 	  <file:Documentation/Changes> under "iptables" for the location of
 	  these packages.
 
-	  Make sure to say N to "Fast switching" below if you intend to say Y
-	  here, as Fast switching currently bypasses netfilter.
-
-	  Chances are that you should say Y here if you compile a kernel which
-	  will run as a router and N for regular hosts. If unsure, say N.
-
 if NETFILTER
 
 config NETFILTER_DEBUG
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 334fcd4a4ea..3100a8940af 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -549,6 +549,7 @@ static void br2684_setup(struct net_device *netdev)
 	struct br2684_dev *brdev = BRPRIV(netdev);
 
 	ether_setup(netdev);
+	brdev->net_dev = netdev;
 
 	netdev->netdev_ops = &br2684_netdev_ops;
 
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index 57aeba729ba..832bcf092a0 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -148,9 +148,13 @@ static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct ax25_uid_assoc *pt;
 	struct hlist_node *node;
-	int i = 0;
+	int i = 1;
 
 	read_lock(&ax25_uid_lock);
+
+	if (*pos == 0)
+		return SEQ_START_TOKEN;
+
 	ax25_uid_for_each(pt, node, &ax25_uid_list) {
 		if (i == *pos)
 			return pt;
@@ -162,8 +166,10 @@ static void *ax25_uid_seq_start(struct seq_file *seq, loff_t *pos)
 static void *ax25_uid_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	++*pos;
-
-	return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
+	if (v == SEQ_START_TOKEN)
+		return ax25_uid_list.first;
+	else
+		return hlist_entry(((ax25_uid_assoc *)v)->uid_node.next,
 			   ax25_uid_assoc, uid_node);
 }
 
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 1181db08d9d..fa47d5d84f5 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -171,10 +171,8 @@ static void hci_conn_timeout(unsigned long arg)
 	switch (conn->state) {
 	case BT_CONNECT:
 	case BT_CONNECT2:
-		if (conn->type == ACL_LINK)
+		if (conn->type == ACL_LINK && conn->out)
 			hci_acl_connect_cancel(conn);
-		else
-			hci_acl_disconn(conn, 0x13);
 		break;
 	case BT_CONFIG:
 	case BT_CONNECTED:
@@ -215,6 +213,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
 	conn->state = BT_OPEN;
 
 	conn->power_save = 1;
+	conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 
 	switch (type) {
 	case ACL_LINK:
@@ -247,6 +246,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
 	if (hdev->notify)
 		hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
 
+	hci_conn_init_sysfs(conn);
+
 	tasklet_enable(&hdev->tx_task);
 
 	return conn;
@@ -289,6 +290,8 @@ int hci_conn_del(struct hci_conn *conn)
 
 	hci_conn_del_sysfs(conn);
 
+	hci_dev_put(hdev);
+
 	return 0;
 }
 
@@ -424,12 +427,9 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 	if (sec_level == BT_SECURITY_SDP)
 		return 1;
 
-	if (sec_level == BT_SECURITY_LOW) {
-		if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0)
-			return hci_conn_auth(conn, sec_level, auth_type);
-		else
-			return 1;
-	}
+	if (sec_level == BT_SECURITY_LOW &&
+				(!conn->ssp_mode || !conn->hdev->ssp_mode))
+		return 1;
 
 	if (conn->link_mode & HCI_LM_ENCRYPT)
 		return hci_conn_auth(conn, sec_level, auth_type);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 55534244c3a..184ba0a88ec 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -866,8 +866,16 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
-	if (!conn)
-		goto unlock;
+	if (!conn) {
+		if (ev->link_type != SCO_LINK)
+			goto unlock;
+
+		conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
+		if (!conn)
+			goto unlock;
+
+		conn->type = SCO_LINK;
+	}
 
 	if (!ev->status) {
 		conn->handle = __le16_to_cpu(ev->handle);
@@ -875,6 +883,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 		if (conn->type == ACL_LINK) {
 			conn->state = BT_CONFIG;
 			hci_conn_hold(conn);
+			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 		} else
 			conn->state = BT_CONNECTED;
 
@@ -1055,9 +1064,14 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 				hci_proto_connect_cfm(conn, ev->status);
 				hci_conn_put(conn);
 			}
-		} else
+		} else {
 			hci_auth_cfm(conn, ev->status);
 
+			hci_conn_hold(conn);
+			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+			hci_conn_put(conn);
+		}
+
 		if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
 			if (!ev->status) {
 				struct hci_cp_set_conn_encrypt cp;
@@ -1471,7 +1485,21 @@ static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb
 
 static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
+	struct hci_ev_pin_code_req *ev = (void *) skb->data;
+	struct hci_conn *conn;
+
 	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+	if (conn && conn->state == BT_CONNECTED) {
+		hci_conn_hold(conn);
+		conn->disc_timeout = HCI_PAIRING_TIMEOUT;
+		hci_conn_put(conn);
+	}
+
+	hci_dev_unlock(hdev);
 }
 
 static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1481,7 +1509,21 @@ static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff
 
 static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
+	struct hci_ev_link_key_notify *ev = (void *) skb->data;
+	struct hci_conn *conn;
+
 	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+	if (conn) {
+		hci_conn_hold(conn);
+		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+		hci_conn_put(conn);
+	}
+
+	hci_dev_unlock(hdev);
 }
 
 static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1646,20 +1688,28 @@ static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_bu
 		conn->type = SCO_LINK;
 	}
 
-	if (conn->out && ev->status == 0x1c && conn->attempt < 2) {
-		conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
-					(hdev->esco_type & EDR_ESCO_MASK);
-		hci_setup_sync(conn, conn->link->handle);
-		goto unlock;
-	}
-
-	if (!ev->status) {
+	switch (ev->status) {
+	case 0x00:
 		conn->handle = __le16_to_cpu(ev->handle);
 		conn->state  = BT_CONNECTED;
 
 		hci_conn_add_sysfs(conn);
-	} else
+		break;
+
+	case 0x1c:	/* SCO interval rejected */
+	case 0x1f:	/* Unspecified error */
+		if (conn->out && conn->attempt < 2) {
+			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
+					(hdev->esco_type & EDR_ESCO_MASK);
+			hci_setup_sync(conn, conn->link->handle);
+			goto unlock;
+		}
+		/* fall through */
+
+	default:
 		conn->state = BT_CLOSED;
+		break;
+	}
 
 	hci_proto_connect_cfm(conn, ev->status);
 	if (ev->status)
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index ed82796d4a0..95f7a7a544b 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -9,8 +9,7 @@
 struct class *bt_class = NULL;
 EXPORT_SYMBOL_GPL(bt_class);
 
-static struct workqueue_struct *btaddconn;
-static struct workqueue_struct *btdelconn;
+static struct workqueue_struct *bt_workq;
 
 static inline char *link_typetostr(int type)
 {
@@ -88,35 +87,17 @@ static struct device_type bt_link = {
 
 static void add_conn(struct work_struct *work)
 {
-	struct hci_conn *conn = container_of(work, struct hci_conn, work);
+	struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
+	struct hci_dev *hdev = conn->hdev;
 
-	flush_workqueue(btdelconn);
+	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
 
 	if (device_add(&conn->dev) < 0) {
 		BT_ERR("Failed to register connection device");
 		return;
 	}
-}
-
-void hci_conn_add_sysfs(struct hci_conn *conn)
-{
-	struct hci_dev *hdev = conn->hdev;
-
-	BT_DBG("conn %p", conn);
-
-	conn->dev.type = &bt_link;
-	conn->dev.class = bt_class;
-	conn->dev.parent = &hdev->dev;
 
-	dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
-	dev_set_drvdata(&conn->dev, conn);
-
-	device_initialize(&conn->dev);
-
-	INIT_WORK(&conn->work, add_conn);
-
-	queue_work(btaddconn, &conn->work);
+	hci_dev_hold(hdev);
 }
 
 /*
@@ -131,9 +112,12 @@ static int __match_tty(struct device *dev, void *data)
 
 static void del_conn(struct work_struct *work)
 {
-	struct hci_conn *conn = container_of(work, struct hci_conn, work);
+	struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
 	struct hci_dev *hdev = conn->hdev;
 
+	if (!device_is_registered(&conn->dev))
+		return;
+
 	while (1) {
 		struct device *dev;
 
@@ -146,19 +130,40 @@ static void del_conn(struct work_struct *work)
 
 	device_del(&conn->dev);
 	put_device(&conn->dev);
+
 	hci_dev_put(hdev);
 }
 
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
 {
+	struct hci_dev *hdev = conn->hdev;
+
 	BT_DBG("conn %p", conn);
 
-	if (!device_is_registered(&conn->dev))
-		return;
+	conn->dev.type = &bt_link;
+	conn->dev.class = bt_class;
+	conn->dev.parent = &hdev->dev;
 
-	INIT_WORK(&conn->work, del_conn);
+	dev_set_drvdata(&conn->dev, conn);
+
+	device_initialize(&conn->dev);
 
-	queue_work(btdelconn, &conn->work);
+	INIT_WORK(&conn->work_add, add_conn);
+	INIT_WORK(&conn->work_del, del_conn);
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+	BT_DBG("conn %p", conn);
+
+	queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+	BT_DBG("conn %p", conn);
+
+	queue_work(bt_workq, &conn->work_del);
 }
 
 static inline char *host_typetostr(int type)
@@ -435,20 +440,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
 
 int __init bt_sysfs_init(void)
 {
-	btaddconn = create_singlethread_workqueue("btaddconn");
-	if (!btaddconn)
+	bt_workq = create_singlethread_workqueue("bluetooth");
+	if (!bt_workq)
 		return -ENOMEM;
 
-	btdelconn = create_singlethread_workqueue("btdelconn");
-	if (!btdelconn) {
-		destroy_workqueue(btaddconn);
-		return -ENOMEM;
-	}
-
 	bt_class = class_create(THIS_MODULE, "bluetooth");
 	if (IS_ERR(bt_class)) {
-		destroy_workqueue(btdelconn);
-		destroy_workqueue(btaddconn);
+		destroy_workqueue(bt_workq);
 		return PTR_ERR(bt_class);
 	}
 
@@ -457,8 +455,7 @@ int __init bt_sysfs_init(void)
 
 void bt_sysfs_cleanup(void)
 {
-	destroy_workqueue(btaddconn);
-	destroy_workqueue(btdelconn);
+	destroy_workqueue(bt_workq);
 
 	class_destroy(bt_class);
 }
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 1d0fb0f23c6..374536e050a 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1194,6 +1194,8 @@ void rfcomm_dlc_accept(struct rfcomm_dlc *d)
 
 	rfcomm_send_ua(d->session, d->dlci);
 
+	rfcomm_dlc_clear_timer(d);
+
 	rfcomm_dlc_lock(d);
 	d->state = BT_CONNECTED;
 	d->state_change(d, 0);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 30b88777c3d..5ee1a3682bf 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -134,6 +134,10 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
 		if (skb->protocol == htons(ETH_P_PAUSE))
 			goto drop;
 
+		/* If STP is turned off, then forward */
+		if (p->br->stp_enabled == BR_NO_STP && dest[5] == 0)
+			goto forward;
+
 		if (NF_HOOK(PF_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev,
 			    NULL, br_handle_local_finish))
 			return NULL;	/* frame consumed by filter */
@@ -141,6 +145,7 @@ struct sk_buff *br_handle_frame(struct net_bridge_port *p, struct sk_buff *skb)
 			return skb;	/* continue processing */
 	}
 
+forward:
 	switch (p->state) {
 	case BR_STATE_FORWARDING:
 		rhook = rcu_dereference(br_should_route_hook);
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 3953ac4214c..e4a418fcb35 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -788,15 +788,23 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff *skb,
 	return NF_STOLEN;
 }
 
+#if defined(CONFIG_NF_CONNTRACK_IPV4) || defined(CONFIG_NF_CONNTRACK_IPV4_MODULE)
 static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
-	if (skb->protocol == htons(ETH_P_IP) &&
+	if (skb->nfct != NULL &&
+	    (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP(skb)) &&
 	    skb->len > skb->dev->mtu &&
 	    !skb_is_gso(skb))
 		return ip_fragment(skb, br_dev_queue_push_xmit);
 	else
 		return br_dev_queue_push_xmit(skb);
 }
+#else
+static int br_nf_dev_queue_xmit(struct sk_buff *skb)
+{
+        return br_dev_queue_push_xmit(skb);
+}
+#endif
 
 /* PF_BRIDGE/POST_ROUTING ********************************************/
 static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 6e63ec3f1fc..0660515f399 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -297,6 +297,9 @@ void br_topology_change_detection(struct net_bridge *br)
 {
 	int isroot = br_is_root_bridge(br);
 
+	if (br->stp_enabled != BR_KERNEL_STP)
+		return;
+
 	pr_info("%s: topology change detected, %s\n", br->dev->name,
 		isroot ? "propagating" : "sending tcn bpdu");
 
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 547bafc79e2..10f0528c3bf 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -674,8 +674,8 @@ static int can_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	rcu_read_unlock();
 
-	/* free the skbuff allocated by the netdevice driver */
-	kfree_skb(skb);
+	/* consume the skbuff allocated by the netdevice driver */
+	consume_skb(skb);
 
 	if (matches > 0) {
 		can_stats.matches++;
diff --git a/net/core/datagram.c b/net/core/datagram.c
index d0de644b378..b01a76abe1d 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -64,13 +64,25 @@ static inline int connection_based(struct sock *sk)
 	return sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM;
 }
 
+static int receiver_wake_function(wait_queue_t *wait, unsigned mode, int sync,
+				  void *key)
+{
+	unsigned long bits = (unsigned long)key;
+
+	/*
+	 * Avoid a wakeup if event not interesting for us
+	 */
+	if (bits && !(bits & (POLLIN | POLLERR)))
+		return 0;
+	return autoremove_wake_function(wait, mode, sync, key);
+}
 /*
  * Wait for a packet..
  */
 static int wait_for_packet(struct sock *sk, int *err, long *timeo_p)
 {
 	int error;
-	DEFINE_WAIT(wait);
+	DEFINE_WAIT_FUNC(wait, receiver_wake_function);
 
 	prepare_to_wait_exclusive(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 343883f65ea..e2e9e4af3ac 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1336,7 +1336,12 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct packet_type *ptype;
 
+#ifdef CONFIG_NET_CLS_ACT
+	if (!(skb->tstamp.tv64 && (G_TC_FROM(skb->tc_verd) & AT_INGRESS)))
+		net_timestamp(skb);
+#else
 	net_timestamp(skb);
+#endif
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(ptype, &ptype_all, list) {
@@ -1730,11 +1735,12 @@ u16 skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb)
 {
 	u32 hash;
 
-	if (skb_rx_queue_recorded(skb)) {
-		hash = skb_get_rx_queue(skb);
-	} else if (skb->sk && skb->sk->sk_hash) {
+	if (skb_rx_queue_recorded(skb))
+		return skb_get_rx_queue(skb) % dev->real_num_tx_queues;
+
+	if (skb->sk && skb->sk->sk_hash)
 		hash = skb->sk->sk_hash;
-	} else
+	else
 		hash = skb->protocol;
 
 	hash = jhash_1word(hash, skb_tx_hashrnd);
@@ -2540,9 +2546,9 @@ struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
 	}
 
 	BUG_ON(info->nr_frags > MAX_SKB_FRAGS);
-	frag = &info->frags[info->nr_frags - 1];
+	frag = info->frags;
 
-	for (i = skb_shinfo(skb)->nr_frags; i < info->nr_frags; i++) {
+	for (i = 0; i < info->nr_frags; i++) {
 		skb_fill_page_desc(skb, i, frag->page, frag->page_offset,
 				   frag->size);
 		frag++;
@@ -4400,7 +4406,7 @@ int register_netdevice(struct net_device *dev)
 	dev->iflink = -1;
 
 #ifdef CONFIG_COMPAT_NET_DEV_OPS
-	/* Netdevice_ops API compatiability support.
+	/* Netdevice_ops API compatibility support.
 	 * This is temporary until all network devices are converted.
 	 */
 	if (dev->netdev_ops) {
@@ -4411,7 +4417,7 @@ int register_netdevice(struct net_device *dev)
 			dev->name, netdev_drivername(dev, drivername, 64));
 
 		/* This works only because net_device_ops and the
-		   compatiablity structure are the same. */
+		   compatibility structure are the same. */
 		dev->netdev_ops = (void *) &(dev->init);
 	}
 #endif
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 9cc9f95b109..6d62d4618cf 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -66,9 +66,9 @@
 
    NOTES.
 
-   * The stored value for avbps is scaled by 2^5, so that maximal
-     rate is ~1Gbit, avpps is scaled by 2^10.
-
+   * avbps is scaled by 2^5, avpps is scaled by 2^10.
+   * both values are reported as 32 bit unsigned values. bps can
+     overflow for fast links : max speed being 34360Mbit/sec
    * Minimal interval is HZ/4=250msec (it is the greatest common divisor
      for HZ=100 and HZ=1024 8)), maximal interval
      is (HZ*2^EST_MAX_INTERVAL)/4 = 8sec. Shorter intervals
@@ -86,9 +86,9 @@ struct gen_estimator
 	spinlock_t		*stats_lock;
 	int			ewma_log;
 	u64			last_bytes;
+	u64			avbps;
 	u32			last_packets;
 	u32			avpps;
-	u32			avbps;
 	struct rcu_head		e_rcu;
 	struct rb_node		node;
 };
@@ -115,6 +115,7 @@ static void est_timer(unsigned long arg)
 	rcu_read_lock();
 	list_for_each_entry_rcu(e, &elist[idx].list, list) {
 		u64 nbytes;
+		u64 brate;
 		u32 npackets;
 		u32 rate;
 
@@ -125,9 +126,9 @@ static void est_timer(unsigned long arg)
 
 		nbytes = e->bstats->bytes;
 		npackets = e->bstats->packets;
-		rate = (nbytes - e->last_bytes)<<(7 - idx);
+		brate = (nbytes - e->last_bytes)<<(7 - idx);
 		e->last_bytes = nbytes;
-		e->avbps += ((long)rate - (long)e->avbps) >> e->ewma_log;
+		e->avbps += ((s64)(brate - e->avbps)) >> e->ewma_log;
 		e->rate_est->bps = (e->avbps+0xF)>>5;
 
 		rate = (npackets - e->last_packets)<<(12 - idx);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b5873bdff61..64f51eec657 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -175,9 +175,13 @@ static void service_arp_queue(struct netpoll_info *npi)
 void netpoll_poll(struct netpoll *np)
 {
 	struct net_device *dev = np->dev;
-	const struct net_device_ops *ops = dev->netdev_ops;
+	const struct net_device_ops *ops;
+
+	if (!dev || !netif_running(dev))
+		return;
 
-	if (!dev || !netif_running(dev) || !ops->ndo_poll_controller)
+	ops = dev->netdev_ops;
+	if (!ops->ndo_poll_controller)
 		return;
 
 	/* Process pending work on NIC */
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3779c1438c1..0666a827bc6 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2447,7 +2447,7 @@ static inline void free_SAs(struct pktgen_dev *pkt_dev)
 	if (pkt_dev->cflows) {
 		/* let go of the SAs if we have them */
 		int i = 0;
-		for (;  i < pkt_dev->nflows; i++){
+		for (;  i < pkt_dev->cflows; i++) {
 			struct xfrm_state *x = pkt_dev->flows[i].x;
 			if (x) {
 				xfrm_state_put(x);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ce6356cd9f7..e505b5392e1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -502,7 +502,9 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
 	shinfo->gso_segs = 0;
 	shinfo->gso_type = 0;
 	shinfo->ip6_frag_id = 0;
+	shinfo->tx_flags.flags = 0;
 	shinfo->frag_list = NULL;
+	memset(&shinfo->hwtstamps, 0, sizeof(shinfo->hwtstamps));
 
 	memset(skb, 0, offsetof(struct sk_buff, tail));
 	skb->data = skb->head + NET_SKB_PAD;
@@ -1365,9 +1367,8 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
 
 static inline struct page *linear_to_page(struct page *page, unsigned int *len,
 					  unsigned int *offset,
-					  struct sk_buff *skb)
+					  struct sk_buff *skb, struct sock *sk)
 {
-	struct sock *sk = skb->sk;
 	struct page *p = sk->sk_sndmsg_page;
 	unsigned int off;
 
@@ -1405,13 +1406,14 @@ new_page:
  */
 static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page,
 				unsigned int *len, unsigned int offset,
-				struct sk_buff *skb, int linear)
+				struct sk_buff *skb, int linear,
+				struct sock *sk)
 {
 	if (unlikely(spd->nr_pages == PIPE_BUFFERS))
 		return 1;
 
 	if (linear) {
-		page = linear_to_page(page, len, &offset, skb);
+		page = linear_to_page(page, len, &offset, skb, sk);
 		if (!page)
 			return 1;
 	} else
@@ -1442,7 +1444,8 @@ static inline void __segment_seek(struct page **page, unsigned int *poff,
 static inline int __splice_segment(struct page *page, unsigned int poff,
 				   unsigned int plen, unsigned int *off,
 				   unsigned int *len, struct sk_buff *skb,
-				   struct splice_pipe_desc *spd, int linear)
+				   struct splice_pipe_desc *spd, int linear,
+				   struct sock *sk)
 {
 	if (!*len)
 		return 1;
@@ -1465,7 +1468,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
 		/* the linear region may spread across several pages  */
 		flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
 
-		if (spd_fill_page(spd, page, &flen, poff, skb, linear))
+		if (spd_fill_page(spd, page, &flen, poff, skb, linear, sk))
 			return 1;
 
 		__segment_seek(&page, &poff, &plen, flen);
@@ -1481,8 +1484,8 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
  * pipe is full or if we already spliced the requested length.
  */
 static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
-		      unsigned int *len,
-		      struct splice_pipe_desc *spd)
+			     unsigned int *len, struct splice_pipe_desc *spd,
+			     struct sock *sk)
 {
 	int seg;
 
@@ -1492,7 +1495,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 	if (__splice_segment(virt_to_page(skb->data),
 			     (unsigned long) skb->data & (PAGE_SIZE - 1),
 			     skb_headlen(skb),
-			     offset, len, skb, spd, 1))
+			     offset, len, skb, spd, 1, sk))
 		return 1;
 
 	/*
@@ -1502,7 +1505,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
 		const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
 
 		if (__splice_segment(f->page, f->page_offset, f->size,
-				     offset, len, skb, spd, 0))
+				     offset, len, skb, spd, 0, sk))
 			return 1;
 	}
 
@@ -1528,12 +1531,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 		.ops = &sock_pipe_buf_ops,
 		.spd_release = sock_spd_release,
 	};
+	struct sock *sk = skb->sk;
 
 	/*
 	 * __skb_splice_bits() only fails if the output has no room left,
 	 * so no point in going over the frag_list for the error case.
 	 */
-	if (__skb_splice_bits(skb, &offset, &tlen, &spd))
+	if (__skb_splice_bits(skb, &offset, &tlen, &spd, sk))
 		goto done;
 	else if (!tlen)
 		goto done;
@@ -1545,14 +1549,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
 		struct sk_buff *list = skb_shinfo(skb)->frag_list;
 
 		for (; list && tlen; list = list->next) {
-			if (__skb_splice_bits(list, &offset, &tlen, &spd))
+			if (__skb_splice_bits(list, &offset, &tlen, &spd, sk))
 				break;
 		}
 	}
 
 done:
 	if (spd.nr_pages) {
-		struct sock *sk = skb->sk;
 		int ret;
 
 		/*
@@ -2285,7 +2288,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
 next_skb:
 	block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
-	if (abs_offset < block_limit) {
+	if (abs_offset < block_limit && !st->frag_data) {
 		*data = st->cur_skb->data + (abs_offset - st->stepped_offset);
 		return block_limit - abs_offset;
 	}
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index b2cf91e4cca..5b919f7b45d 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -407,8 +407,8 @@ config INET_XFRM_MODE_BEET
 	  If unsure, say Y.
 
 config INET_LRO
-	tristate "Large Receive Offload (ipv4/tcp)"
-
+	bool "Large Receive Offload (ipv4/tcp)"
+	default y
 	---help---
 	  Support for Large Receive Offload (ipv4/tcp).
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ec0ae490f0b..33c7c85dfe4 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -986,9 +986,12 @@ fib_find_node(struct trie *t, u32 key)
 static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
 {
 	int wasfull;
-	t_key cindex, key = tn->key;
+	t_key cindex, key;
 	struct tnode *tp;
 
+	preempt_disable();
+	key = tn->key;
+
 	while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) {
 		cindex = tkey_extract_bits(key, tp->pos, tp->bits);
 		wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
@@ -1007,6 +1010,7 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
 	if (IS_TNODE(tn))
 		tn = (struct tnode *)resize(t, (struct tnode *)tn);
 
+	preempt_enable();
 	return (struct node *)tn;
 }
 
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 90d22ae0a41..88bf051d0cb 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -139,6 +139,8 @@ __be32 ic_servaddr = NONE;	/* Boot server IP address */
 __be32 root_server_addr = NONE;	/* Address of NFS server */
 u8 root_server_path[256] = { 0, };	/* Path to mount as root */
 
+u32 ic_dev_xid;		/* Device under configuration */
+
 /* vendor class identifier */
 static char vendor_class_identifier[253] __initdata;
 
@@ -932,6 +934,13 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
 		goto drop_unlock;
 	}
 
+	/* Is it a reply for the device we are configuring? */
+	if (b->xid != ic_dev_xid) {
+		if (net_ratelimit())
+			printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n");
+		goto drop_unlock;
+	}
+
 	/* Parse extensions */
 	if (ext_len >= 4 &&
 	    !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */
@@ -1115,6 +1124,9 @@ static int __init ic_dynamic(void)
 	get_random_bytes(&timeout, sizeof(timeout));
 	timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM);
 	for (;;) {
+		/* Track the device we are configuring */
+		ic_dev_xid = d->xid;
+
 #ifdef IPCONFIG_BOOTP
 		if (do_bootp && (d->able & IC_BOOTP))
 			ic_bootp_send_if(d, jiffies - start_jiffies);
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 5ba533d234d..831fe1879dc 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -253,9 +253,9 @@ unsigned int arpt_do_table(struct sk_buff *skb,
 	indev = in ? in->name : nulldevname;
 	outdev = out ? out->name : nulldevname;
 
-	rcu_read_lock_bh();
-	private = rcu_dereference(table->private);
-	table_base = rcu_dereference(private->entries[smp_processor_id()]);
+	xt_info_rdlock_bh();
+	private = table->private;
+	table_base = private->entries[smp_processor_id()];
 
 	e = get_entry(table_base, private->hook_entry[hook]);
 	back = get_entry(table_base, private->underflow[hook]);
@@ -273,6 +273,7 @@ unsigned int arpt_do_table(struct sk_buff *skb,
 
 			hdr_len = sizeof(*arp) + (2 * sizeof(struct in_addr)) +
 				(2 * skb->dev->addr_len);
+
 			ADD_COUNTER(e->counters, hdr_len, 1);
 
 			t = arpt_get_target(e);
@@ -328,8 +329,7 @@ unsigned int arpt_do_table(struct sk_buff *skb,
 			e = (void *)e + e->next_offset;
 		}
 	} while (!hotdrop);
-
-	rcu_read_unlock_bh();
+	xt_info_rdunlock_bh();
 
 	if (hotdrop)
 		return NF_DROP;
@@ -711,9 +711,12 @@ static void get_counters(const struct xt_table_info *t,
 	/* Instead of clearing (by a previous call to memset())
 	 * the counters and using adds, we set the counters
 	 * with data used by 'current' CPU
-	 * We dont care about preemption here.
+	 *
+	 * Bottom half has to be disabled to prevent deadlock
+	 * if new softirq were to run and call ipt_do_table
 	 */
-	curcpu = raw_smp_processor_id();
+	local_bh_disable();
+	curcpu = smp_processor_id();
 
 	i = 0;
 	ARPT_ENTRY_ITERATE(t->entries[curcpu],
@@ -726,73 +729,22 @@ static void get_counters(const struct xt_table_info *t,
 		if (cpu == curcpu)
 			continue;
 		i = 0;
+		xt_info_wrlock(cpu);
 		ARPT_ENTRY_ITERATE(t->entries[cpu],
 				   t->size,
 				   add_entry_to_counter,
 				   counters,
 				   &i);
+		xt_info_wrunlock(cpu);
 	}
-}
-
-
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static int
-add_counter_to_entry(struct arpt_entry *e,
-		     const struct xt_counters addme[],
-		     unsigned int *i)
-{
-	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-	(*i)++;
-	return 0;
-}
-
-/* Take values from counters and add them back onto the current cpu */
-static void put_counters(struct xt_table_info *t,
-			 const struct xt_counters counters[])
-{
-	unsigned int i, cpu;
-
-	local_bh_disable();
-	cpu = smp_processor_id();
-	i = 0;
-	ARPT_ENTRY_ITERATE(t->entries[cpu],
-			  t->size,
-			  add_counter_to_entry,
-			  counters,
-			  &i);
 	local_bh_enable();
 }
 
-static inline int
-zero_entry_counter(struct arpt_entry *e, void *arg)
-{
-	e->counters.bcnt = 0;
-	e->counters.pcnt = 0;
-	return 0;
-}
-
-static void
-clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
-{
-	unsigned int cpu;
-	const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
-
-	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
-	for_each_possible_cpu(cpu) {
-		memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
-		ARPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
-				  zero_entry_counter, NULL);
-	}
-}
-
 static struct xt_counters *alloc_counters(struct xt_table *table)
 {
 	unsigned int countersize;
 	struct xt_counters *counters;
 	struct xt_table_info *private = table->private;
-	struct xt_table_info *info;
 
 	/* We need atomic snapshot of counters: rest doesn't change
 	 * (other than comefrom, which userspace doesn't care
@@ -802,30 +754,11 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
 	counters = vmalloc_node(countersize, numa_node_id());
 
 	if (counters == NULL)
-		goto nomem;
-
-	info = xt_alloc_table_info(private->size);
-	if (!info)
-		goto free_counters;
-
-	clone_counters(info, private);
-
-	mutex_lock(&table->lock);
-	xt_table_entry_swap_rcu(private, info);
-	synchronize_net();	/* Wait until smoke has cleared */
+		return ERR_PTR(-ENOMEM);
 
-	get_counters(info, counters);
-	put_counters(private, counters);
-	mutex_unlock(&table->lock);
-
-	xt_free_table_info(info);
+	get_counters(private, counters);
 
 	return counters;
-
- free_counters:
-	vfree(counters);
- nomem:
-	return ERR_PTR(-ENOMEM);
 }
 
 static int copy_entries_to_user(unsigned int total_size,
@@ -1094,8 +1027,9 @@ static int __do_replace(struct net *net, const char *name,
 	    (newinfo->number <= oldinfo->initial_entries))
 		module_put(t->me);
 
-	/* Get the old counters. */
+	/* Get the old counters, and synchronize with replace */
 	get_counters(oldinfo, counters);
+
 	/* Decrease module usage counts and free resource */
 	loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()];
 	ARPT_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry,
@@ -1165,10 +1099,23 @@ static int do_replace(struct net *net, void __user *user, unsigned int len)
 	return ret;
 }
 
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct arpt_entry *e,
+		     const struct xt_counters addme[],
+		     unsigned int *i)
+{
+	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+	(*i)++;
+	return 0;
+}
+
 static int do_add_counters(struct net *net, void __user *user, unsigned int len,
 			   int compat)
 {
-	unsigned int i;
+	unsigned int i, curcpu;
 	struct xt_counters_info tmp;
 	struct xt_counters *paddc;
 	unsigned int num_counters;
@@ -1224,26 +1171,26 @@ static int do_add_counters(struct net *net, void __user *user, unsigned int len,
 		goto free;
 	}
 
-	mutex_lock(&t->lock);
+	local_bh_disable();
 	private = t->private;
 	if (private->number != num_counters) {
 		ret = -EINVAL;
 		goto unlock_up_free;
 	}
 
-	preempt_disable();
 	i = 0;
 	/* Choose the copy that is on our node */
-	loc_cpu_entry = private->entries[smp_processor_id()];
+	curcpu = smp_processor_id();
+	loc_cpu_entry = private->entries[curcpu];
+	xt_info_wrlock(curcpu);
 	ARPT_ENTRY_ITERATE(loc_cpu_entry,
 			   private->size,
 			   add_counter_to_entry,
 			   paddc,
 			   &i);
-	preempt_enable();
+	xt_info_wrunlock(curcpu);
  unlock_up_free:
-	mutex_unlock(&t->lock);
-
+	local_bh_enable();
 	xt_table_unlock(t);
 	module_put(t->me);
  free:
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 810c0b62c7d..2ec8d7290c4 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -338,10 +338,9 @@ ipt_do_table(struct sk_buff *skb,
 	tgpar.hooknum = hook;
 
 	IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-
-	rcu_read_lock_bh();
-	private = rcu_dereference(table->private);
-	table_base = rcu_dereference(private->entries[smp_processor_id()]);
+	xt_info_rdlock_bh();
+	private = table->private;
+	table_base = private->entries[smp_processor_id()];
 
 	e = get_entry(table_base, private->hook_entry[hook]);
 
@@ -436,8 +435,7 @@ ipt_do_table(struct sk_buff *skb,
 			e = (void *)e + e->next_offset;
 		}
 	} while (!hotdrop);
-
-	rcu_read_unlock_bh();
+	xt_info_rdunlock_bh();
 
 #ifdef DEBUG_ALLOW_ALL
 	return NF_ACCEPT;
@@ -896,10 +894,13 @@ get_counters(const struct xt_table_info *t,
 
 	/* Instead of clearing (by a previous call to memset())
 	 * the counters and using adds, we set the counters
-	 * with data used by 'current' CPU
-	 * We dont care about preemption here.
+	 * with data used by 'current' CPU.
+	 *
+	 * Bottom half has to be disabled to prevent deadlock
+	 * if new softirq were to run and call ipt_do_table
 	 */
-	curcpu = raw_smp_processor_id();
+	local_bh_disable();
+	curcpu = smp_processor_id();
 
 	i = 0;
 	IPT_ENTRY_ITERATE(t->entries[curcpu],
@@ -912,74 +913,22 @@ get_counters(const struct xt_table_info *t,
 		if (cpu == curcpu)
 			continue;
 		i = 0;
+		xt_info_wrlock(cpu);
 		IPT_ENTRY_ITERATE(t->entries[cpu],
 				  t->size,
 				  add_entry_to_counter,
 				  counters,
 				  &i);
+		xt_info_wrunlock(cpu);
 	}
-
-}
-
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static int
-add_counter_to_entry(struct ipt_entry *e,
-		     const struct xt_counters addme[],
-		     unsigned int *i)
-{
-	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-	(*i)++;
-	return 0;
-}
-
-/* Take values from counters and add them back onto the current cpu */
-static void put_counters(struct xt_table_info *t,
-			 const struct xt_counters counters[])
-{
-	unsigned int i, cpu;
-
-	local_bh_disable();
-	cpu = smp_processor_id();
-	i = 0;
-	IPT_ENTRY_ITERATE(t->entries[cpu],
-			  t->size,
-			  add_counter_to_entry,
-			  counters,
-			  &i);
 	local_bh_enable();
 }
 
-
-static inline int
-zero_entry_counter(struct ipt_entry *e, void *arg)
-{
-	e->counters.bcnt = 0;
-	e->counters.pcnt = 0;
-	return 0;
-}
-
-static void
-clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
-{
-	unsigned int cpu;
-	const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
-
-	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
-	for_each_possible_cpu(cpu) {
-		memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
-		IPT_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
-				  zero_entry_counter, NULL);
-	}
-}
-
 static struct xt_counters * alloc_counters(struct xt_table *table)
 {
 	unsigned int countersize;
 	struct xt_counters *counters;
 	struct xt_table_info *private = table->private;
-	struct xt_table_info *info;
 
 	/* We need atomic snapshot of counters: rest doesn't change
 	   (other than comefrom, which userspace doesn't care
@@ -988,30 +937,11 @@ static struct xt_counters * alloc_counters(struct xt_table *table)
 	counters = vmalloc_node(countersize, numa_node_id());
 
 	if (counters == NULL)
-		goto nomem;
+		return ERR_PTR(-ENOMEM);
 
-	info = xt_alloc_table_info(private->size);
-	if (!info)
-		goto free_counters;
-
-	clone_counters(info, private);
-
-	mutex_lock(&table->lock);
-	xt_table_entry_swap_rcu(private, info);
-	synchronize_net();	/* Wait until smoke has cleared */
-
-	get_counters(info, counters);
-	put_counters(private, counters);
-	mutex_unlock(&table->lock);
-
-	xt_free_table_info(info);
+	get_counters(private, counters);
 
 	return counters;
-
- free_counters:
-	vfree(counters);
- nomem:
-	return ERR_PTR(-ENOMEM);
 }
 
 static int
@@ -1306,8 +1236,9 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
 	    (newinfo->number <= oldinfo->initial_entries))
 		module_put(t->me);
 
-	/* Get the old counters. */
+	/* Get the old counters, and synchronize with replace */
 	get_counters(oldinfo, counters);
+
 	/* Decrease module usage counts and free resource */
 	loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()];
 	IPT_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry,
@@ -1377,11 +1308,23 @@ do_replace(struct net *net, void __user *user, unsigned int len)
 	return ret;
 }
 
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct ipt_entry *e,
+		     const struct xt_counters addme[],
+		     unsigned int *i)
+{
+	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+	(*i)++;
+	return 0;
+}
 
 static int
 do_add_counters(struct net *net, void __user *user, unsigned int len, int compat)
 {
-	unsigned int i;
+	unsigned int i, curcpu;
 	struct xt_counters_info tmp;
 	struct xt_counters *paddc;
 	unsigned int num_counters;
@@ -1437,25 +1380,26 @@ do_add_counters(struct net *net, void __user *user, unsigned int len, int compat
 		goto free;
 	}
 
-	mutex_lock(&t->lock);
+	local_bh_disable();
 	private = t->private;
 	if (private->number != num_counters) {
 		ret = -EINVAL;
 		goto unlock_up_free;
 	}
 
-	preempt_disable();
 	i = 0;
 	/* Choose the copy that is on our node */
-	loc_cpu_entry = private->entries[raw_smp_processor_id()];
+	curcpu = smp_processor_id();
+	loc_cpu_entry = private->entries[curcpu];
+	xt_info_wrlock(curcpu);
 	IPT_ENTRY_ITERATE(loc_cpu_entry,
 			  private->size,
 			  add_counter_to_entry,
 			  paddc,
 			  &i);
-	preempt_enable();
+	xt_info_wrunlock(curcpu);
  unlock_up_free:
-	mutex_unlock(&t->lock);
+	local_bh_enable();
 	xt_table_unlock(t);
 	module_put(t->me);
  free:
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index fe65187810f..3229e0a81ba 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -211,7 +211,8 @@ find_best_ips_proto(struct nf_conntrack_tuple *tuple,
 	minip = ntohl(range->min_ip);
 	maxip = ntohl(range->max_ip);
 	j = jhash_2words((__force u32)tuple->src.u3.ip,
-			 (__force u32)tuple->dst.u3.ip, 0);
+			 range->flags & IP_NAT_RANGE_PERSISTENT ?
+				(__force u32)tuple->dst.u3.ip : 0, 0);
 	j = ((u64)j * (maxip - minip + 1)) >> 32;
 	*var_ipp = htonl(minip + j);
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c40debe51b3..28205e5bfa9 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -784,8 +784,8 @@ static void rt_check_expire(void)
 {
 	static unsigned int rover;
 	unsigned int i = rover, goal;
-	struct rtable *rth, **rthp;
-	unsigned long length = 0, samples = 0;
+	struct rtable *rth, *aux, **rthp;
+	unsigned long samples = 0;
 	unsigned long sum = 0, sum2 = 0;
 	u64 mult;
 
@@ -795,9 +795,9 @@ static void rt_check_expire(void)
 	goal = (unsigned int)mult;
 	if (goal > rt_hash_mask)
 		goal = rt_hash_mask + 1;
-	length = 0;
 	for (; goal > 0; goal--) {
 		unsigned long tmo = ip_rt_gc_timeout;
+		unsigned long length;
 
 		i = (i + 1) & rt_hash_mask;
 		rthp = &rt_hash_table[i].chain;
@@ -809,8 +809,10 @@ static void rt_check_expire(void)
 
 		if (*rthp == NULL)
 			continue;
+		length = 0;
 		spin_lock_bh(rt_hash_lock_addr(i));
 		while ((rth = *rthp) != NULL) {
+			prefetch(rth->u.dst.rt_next);
 			if (rt_is_expired(rth)) {
 				*rthp = rth->u.dst.rt_next;
 				rt_free(rth);
@@ -819,33 +821,30 @@ static void rt_check_expire(void)
 			if (rth->u.dst.expires) {
 				/* Entry is expired even if it is in use */
 				if (time_before_eq(jiffies, rth->u.dst.expires)) {
+nofree:
 					tmo >>= 1;
 					rthp = &rth->u.dst.rt_next;
 					/*
-					 * Only bump our length if the hash
-					 * inputs on entries n and n+1 are not
-					 * the same, we only count entries on
+					 * We only count entries on
 					 * a chain with equal hash inputs once
 					 * so that entries for different QOS
 					 * levels, and other non-hash input
 					 * attributes don't unfairly skew
 					 * the length computation
 					 */
-					if ((*rthp == NULL) ||
-					    !compare_hash_inputs(&(*rthp)->fl,
-								 &rth->fl))
-						length += ONE;
+					for (aux = rt_hash_table[i].chain;;) {
+						if (aux == rth) {
+							length += ONE;
+							break;
+						}
+						if (compare_hash_inputs(&aux->fl, &rth->fl))
+							break;
+						aux = aux->u.dst.rt_next;
+					}
 					continue;
 				}
-			} else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout)) {
-				tmo >>= 1;
-				rthp = &rth->u.dst.rt_next;
-				if ((*rthp == NULL) ||
-				    !compare_hash_inputs(&(*rthp)->fl,
-							 &rth->fl))
-					length += ONE;
-				continue;
-			}
+			} else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+				goto nofree;
 
 			/* Cleanup aged off entries. */
 			*rthp = rth->u.dst.rt_next;
@@ -1068,7 +1067,6 @@ out:	return 0;
 static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
 {
 	struct rtable	*rth, **rthp;
-	struct rtable	*rthi;
 	unsigned long	now;
 	struct rtable *cand, **candp;
 	u32 		min_score;
@@ -1088,7 +1086,6 @@ restart:
 	}
 
 	rthp = &rt_hash_table[hash].chain;
-	rthi = NULL;
 
 	spin_lock_bh(rt_hash_lock_addr(hash));
 	while ((rth = *rthp) != NULL) {
@@ -1134,17 +1131,6 @@ restart:
 		chain_length++;
 
 		rthp = &rth->u.dst.rt_next;
-
-		/*
-		 * check to see if the next entry in the chain
-		 * contains the same hash input values as rt.  If it does
-		 * This is where we will insert into the list, instead of
-		 * at the head.  This groups entries that differ by aspects not
-		 * relvant to the hash function together, which we use to adjust
-		 * our chain length
-		 */
-		if (*rthp && compare_hash_inputs(&(*rthp)->fl, &rt->fl))
-			rthi = rth;
 	}
 
 	if (cand) {
@@ -1205,10 +1191,7 @@ restart:
 		}
 	}
 
-	if (rthi)
-		rt->u.dst.rt_next = rthi->u.dst.rt_next;
-	else
-		rt->u.dst.rt_next = rt_hash_table[hash].chain;
+	rt->u.dst.rt_next = rt_hash_table[hash].chain;
 
 #if RT_CACHE_DEBUG >= 2
 	if (rt->u.dst.rt_next) {
@@ -1224,10 +1207,7 @@ restart:
 	 * previous writes to rt are comitted to memory
 	 * before making rt visible to other CPUS.
 	 */
-	if (rthi)
-		rcu_assign_pointer(rthi->u.dst.rt_next, rt);
-	else
-		rcu_assign_pointer(rt_hash_table[hash].chain, rt);
+	rcu_assign_pointer(rt_hash_table[hash].chain, rt);
 
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 	*rp = rt;
@@ -3397,7 +3377,7 @@ int __init ip_rt_init(void)
 					0,
 					&rt_hash_log,
 					&rt_hash_mask,
-					0);
+					rhash_entries ? 0 : 512 * 1024);
 	memset(rt_hash_table, 0, (rt_hash_mask + 1) * sizeof(struct rt_hash_bucket));
 	rt_hash_lock_init();
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index fafbec8b073..7a0f0b27bf1 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1321,6 +1321,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	struct task_struct *user_recv = NULL;
 	int copied_early = 0;
 	struct sk_buff *skb;
+	u32 urg_hole = 0;
 
 	lock_sock(sk);
 
@@ -1532,7 +1533,8 @@ do_prequeue:
 				}
 			}
 		}
-		if ((flags & MSG_PEEK) && peek_seq != tp->copied_seq) {
+		if ((flags & MSG_PEEK) &&
+		    (peek_seq - copied - urg_hole != tp->copied_seq)) {
 			if (net_ratelimit())
 				printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n",
 				       current->comm, task_pid_nr(current));
@@ -1553,6 +1555,7 @@ do_prequeue:
 				if (!urg_offset) {
 					if (!sock_flag(sk, SOCK_URGINLINE)) {
 						++*seq;
+						urg_hole++;
 						offset++;
 						used--;
 						if (!used)
@@ -2511,6 +2514,7 @@ struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 	struct sk_buff *p;
 	struct tcphdr *th;
 	struct tcphdr *th2;
+	unsigned int len;
 	unsigned int thlen;
 	unsigned int flags;
 	unsigned int mss = 1;
@@ -2531,6 +2535,7 @@ struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 
 	skb_gro_pull(skb, thlen);
 
+	len = skb_gro_len(skb);
 	flags = tcp_flag_word(th);
 
 	for (; (p = *head); head = &p->next) {
@@ -2561,7 +2566,7 @@ found:
 
 	mss = skb_shinfo(p)->gso_size;
 
-	flush |= (skb_gro_len(skb) > mss) | !skb_gro_len(skb);
+	flush |= (len > mss) | !len;
 	flush |= (ntohl(th2->seq) + skb_gro_len(p)) ^ ntohl(th->seq);
 
 	if (flush || skb_gro_receive(head, skb)) {
@@ -2574,7 +2579,7 @@ found:
 	tcp_flag_word(th2) |= flags & (TCP_FLAG_FIN | TCP_FLAG_PSH);
 
 out_check_final:
-	flush = skb_gro_len(skb) < mss;
+	flush = len < mss;
 	flush |= flags & (TCP_FLAG_URG | TCP_FLAG_PSH | TCP_FLAG_RST |
 			  TCP_FLAG_SYN | TCP_FLAG_FIN);
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c96a6bb2543..eec3e6f9956 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -597,16 +597,6 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb)
 		tcp_grow_window(sk, skb);
 }
 
-static u32 tcp_rto_min(struct sock *sk)
-{
-	struct dst_entry *dst = __sk_dst_get(sk);
-	u32 rto_min = TCP_RTO_MIN;
-
-	if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
-		rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN);
-	return rto_min;
-}
-
 /* Called to compute a smoothed rtt estimate. The data fed to this
  * routine either comes from timestamps, or from segments that were
  * known _not_ to have been retransmitted [see Karn/Partridge
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 53300fa2359..59aec609cec 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -778,7 +778,7 @@ static void tcp_adjust_pcount(struct sock *sk, struct sk_buff *skb, int decr)
 
 	if (tp->lost_skb_hint &&
 	    before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->lost_skb_hint)->seq) &&
-	    (tcp_is_fack(tp) || TCP_SKB_CB(skb)->sacked))
+	    (tcp_is_fack(tp) || (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)))
 		tp->lost_cnt_hint -= decr;
 
 	tcp_verify_left_out(tp);
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a453aac91bd..c6743eec9b7 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,6 +158,11 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
 }
 EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
 
+static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
+{
+	return  min(tp->snd_ssthresh, tp->snd_cwnd-1);
+}
+
 static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
@@ -221,11 +226,10 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 			 */
 			diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
 
-			if (diff > gamma && tp->snd_ssthresh > 2 ) {
+			if (diff > gamma && tp->snd_cwnd <= tp->snd_ssthresh) {
 				/* Going too fast. Time to slow down
 				 * and switch to congestion avoidance.
 				 */
-				tp->snd_ssthresh = 2;
 
 				/* Set cwnd to match the actual rate
 				 * exactly:
@@ -235,6 +239,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 				 * utilization.
 				 */
 				tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
+				tp->snd_ssthresh = tcp_vegas_ssthresh(tp);
 
 			} else if (tp->snd_cwnd <= tp->snd_ssthresh) {
 				/* Slow start.  */
@@ -250,6 +255,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 					 * we slow down.
 					 */
 					tp->snd_cwnd--;
+					tp->snd_ssthresh
+						= tcp_vegas_ssthresh(tp);
 				} else if (diff < alpha) {
 					/* We don't have enough extra packets
 					 * in the network, so speed up.
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 800ae854247..219e165aea1 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -365,9 +365,9 @@ ip6t_do_table(struct sk_buff *skb,
 
 	IP_NF_ASSERT(table->valid_hooks & (1 << hook));
 
-	rcu_read_lock_bh();
-	private = rcu_dereference(table->private);
-	table_base = rcu_dereference(private->entries[smp_processor_id()]);
+	xt_info_rdlock_bh();
+	private = table->private;
+	table_base = private->entries[smp_processor_id()];
 
 	e = get_entry(table_base, private->hook_entry[hook]);
 
@@ -466,7 +466,7 @@ ip6t_do_table(struct sk_buff *skb,
 #ifdef CONFIG_NETFILTER_DEBUG
 	((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON;
 #endif
-	rcu_read_unlock_bh();
+	xt_info_rdunlock_bh();
 
 #ifdef DEBUG_ALLOW_ALL
 	return NF_ACCEPT;
@@ -926,9 +926,12 @@ get_counters(const struct xt_table_info *t,
 	/* Instead of clearing (by a previous call to memset())
 	 * the counters and using adds, we set the counters
 	 * with data used by 'current' CPU
-	 * We dont care about preemption here.
+	 *
+	 * Bottom half has to be disabled to prevent deadlock
+	 * if new softirq were to run and call ipt_do_table
 	 */
-	curcpu = raw_smp_processor_id();
+	local_bh_disable();
+	curcpu = smp_processor_id();
 
 	i = 0;
 	IP6T_ENTRY_ITERATE(t->entries[curcpu],
@@ -941,72 +944,22 @@ get_counters(const struct xt_table_info *t,
 		if (cpu == curcpu)
 			continue;
 		i = 0;
+		xt_info_wrlock(cpu);
 		IP6T_ENTRY_ITERATE(t->entries[cpu],
 				  t->size,
 				  add_entry_to_counter,
 				  counters,
 				  &i);
+		xt_info_wrunlock(cpu);
 	}
-}
-
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static int
-add_counter_to_entry(struct ip6t_entry *e,
-		     const struct xt_counters addme[],
-		     unsigned int *i)
-{
-	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-	(*i)++;
-	return 0;
-}
-
-/* Take values from counters and add them back onto the current cpu */
-static void put_counters(struct xt_table_info *t,
-			 const struct xt_counters counters[])
-{
-	unsigned int i, cpu;
-
-	local_bh_disable();
-	cpu = smp_processor_id();
-	i = 0;
-	IP6T_ENTRY_ITERATE(t->entries[cpu],
-			   t->size,
-			   add_counter_to_entry,
-			   counters,
-			   &i);
 	local_bh_enable();
 }
 
-static inline int
-zero_entry_counter(struct ip6t_entry *e, void *arg)
-{
-	e->counters.bcnt = 0;
-	e->counters.pcnt = 0;
-	return 0;
-}
-
-static void
-clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
-{
-	unsigned int cpu;
-	const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
-
-	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
-	for_each_possible_cpu(cpu) {
-		memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
-		IP6T_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
-				   zero_entry_counter, NULL);
-	}
-}
-
 static struct xt_counters *alloc_counters(struct xt_table *table)
 {
 	unsigned int countersize;
 	struct xt_counters *counters;
 	struct xt_table_info *private = table->private;
-	struct xt_table_info *info;
 
 	/* We need atomic snapshot of counters: rest doesn't change
 	   (other than comefrom, which userspace doesn't care
@@ -1015,30 +968,11 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
 	counters = vmalloc_node(countersize, numa_node_id());
 
 	if (counters == NULL)
-		goto nomem;
+		return ERR_PTR(-ENOMEM);
 
-	info = xt_alloc_table_info(private->size);
-	if (!info)
-		goto free_counters;
-
-	clone_counters(info, private);
-
-	mutex_lock(&table->lock);
-	xt_table_entry_swap_rcu(private, info);
-	synchronize_net();	/* Wait until smoke has cleared */
-
-	get_counters(info, counters);
-	put_counters(private, counters);
-	mutex_unlock(&table->lock);
-
-	xt_free_table_info(info);
+	get_counters(private, counters);
 
 	return counters;
-
- free_counters:
-	vfree(counters);
- nomem:
-	return ERR_PTR(-ENOMEM);
 }
 
 static int
@@ -1334,8 +1268,9 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
 	    (newinfo->number <= oldinfo->initial_entries))
 		module_put(t->me);
 
-	/* Get the old counters. */
+	/* Get the old counters, and synchronize with replace */
 	get_counters(oldinfo, counters);
+
 	/* Decrease module usage counts and free resource */
 	loc_cpu_old_entry = oldinfo->entries[raw_smp_processor_id()];
 	IP6T_ENTRY_ITERATE(loc_cpu_old_entry, oldinfo->size, cleanup_entry,
@@ -1405,11 +1340,24 @@ do_replace(struct net *net, void __user *user, unsigned int len)
 	return ret;
 }
 
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct ip6t_entry *e,
+		     const struct xt_counters addme[],
+		     unsigned int *i)
+{
+	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+	(*i)++;
+	return 0;
+}
+
 static int
 do_add_counters(struct net *net, void __user *user, unsigned int len,
 		int compat)
 {
-	unsigned int i;
+	unsigned int i, curcpu;
 	struct xt_counters_info tmp;
 	struct xt_counters *paddc;
 	unsigned int num_counters;
@@ -1465,25 +1413,28 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
 		goto free;
 	}
 
-	mutex_lock(&t->lock);
+
+	local_bh_disable();
 	private = t->private;
 	if (private->number != num_counters) {
 		ret = -EINVAL;
 		goto unlock_up_free;
 	}
 
-	preempt_disable();
 	i = 0;
 	/* Choose the copy that is on our node */
-	loc_cpu_entry = private->entries[raw_smp_processor_id()];
+	curcpu = smp_processor_id();
+	xt_info_wrlock(curcpu);
+	loc_cpu_entry = private->entries[curcpu];
 	IP6T_ENTRY_ITERATE(loc_cpu_entry,
 			  private->size,
 			  add_counter_to_entry,
 			  paddc,
 			  &i);
-	preempt_enable();
+	xt_info_wrunlock(curcpu);
+
  unlock_up_free:
-	mutex_unlock(&t->lock);
+	local_bh_enable();
 	xt_table_unlock(t);
 	module_put(t->me);
  free:
diff --git a/net/ipv6/netfilter/ip6t_ipv6header.c b/net/ipv6/netfilter/ip6t_ipv6header.c
index 14e6724d567..91490ad9302 100644
--- a/net/ipv6/netfilter/ip6t_ipv6header.c
+++ b/net/ipv6/netfilter/ip6t_ipv6header.c
@@ -50,14 +50,14 @@ ipv6header_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 		struct ipv6_opt_hdr _hdr;
 		int hdrlen;
 
-		/* Is there enough space for the next ext header? */
-		if (len < (int)sizeof(struct ipv6_opt_hdr))
-			return false;
 		/* No more exthdr -> evaluate */
 		if (nexthdr == NEXTHDR_NONE) {
 			temp |= MASK_NONE;
 			break;
 		}
+		/* Is there enough space for the next ext header? */
+		if (len < (int)sizeof(struct ipv6_opt_hdr))
+			return false;
 		/* ESP -> evaluate */
 		if (nexthdr == NEXTHDR_ESP) {
 			temp |= MASK_ESP;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1394ddb6e35..032a5ec391c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -137,6 +137,7 @@ static struct rt6_info ip6_null_entry_template = {
 		}
 	},
 	.rt6i_flags	= (RTF_REJECT | RTF_NONEXTHOP),
+	.rt6i_protocol  = RTPROT_KERNEL,
 	.rt6i_metric	= ~(u32) 0,
 	.rt6i_ref	= ATOMIC_INIT(1),
 };
@@ -159,6 +160,7 @@ static struct rt6_info ip6_prohibit_entry_template = {
 		}
 	},
 	.rt6i_flags	= (RTF_REJECT | RTF_NONEXTHOP),
+	.rt6i_protocol  = RTPROT_KERNEL,
 	.rt6i_metric	= ~(u32) 0,
 	.rt6i_ref	= ATOMIC_INIT(1),
 };
@@ -176,6 +178,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
 		}
 	},
 	.rt6i_flags	= (RTF_REJECT | RTF_NONEXTHOP),
+	.rt6i_protocol  = RTPROT_KERNEL,
 	.rt6i_metric	= ~(u32) 0,
 	.rt6i_ref	= ATOMIC_INIT(1),
 };
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 49e786535dc..b51c9187c34 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -172,6 +172,7 @@ static void iucv_sock_close(struct sock *sk)
 			err = iucv_sock_wait_state(sk, IUCV_CLOSED, 0, timeo);
 		}
 
+	case IUCV_CLOSING:   /* fall through */
 		sk->sk_state = IUCV_CLOSED;
 		sk->sk_state_change(sk);
 
@@ -224,6 +225,8 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio)
 	spin_lock_init(&iucv_sk(sk)->message_q.lock);
 	skb_queue_head_init(&iucv_sk(sk)->backlog_skb_q);
 	iucv_sk(sk)->send_tag = 0;
+	iucv_sk(sk)->path = NULL;
+	memset(&iucv_sk(sk)->src_user_id , 0, 32);
 
 	sk->sk_destruct = iucv_sock_destruct;
 	sk->sk_sndtimeo = IUCV_CONN_TIMEOUT;
@@ -811,6 +814,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
 	target = sock_rcvlowat(sk, flags & MSG_WAITALL, len);
 
+	/* receive/dequeue next skb:
+	 * the function understands MSG_PEEK and, thus, does not dequeue skb */
 	skb = skb_recv_datagram(sk, flags, noblock, &err);
 	if (!skb) {
 		if (sk->sk_shutdown & RCV_SHUTDOWN)
@@ -858,9 +863,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 				iucv_process_message_q(sk);
 			spin_unlock_bh(&iucv->message_q.lock);
 		}
-
-	} else
-		skb_queue_head(&sk->sk_receive_queue, skb);
+	}
 
 done:
 	return err ? : copied;
@@ -934,6 +937,9 @@ static int iucv_sock_shutdown(struct socket *sock, int how)
 
 	lock_sock(sk);
 	switch (sk->sk_state) {
+	case IUCV_DISCONN:
+	case IUCV_CLOSING:
+	case IUCV_SEVERED:
 	case IUCV_CLOSED:
 		err = -ENOTCONN;
 		goto fail;
@@ -1113,8 +1119,12 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg)
 	struct sock_msg_q *save_msg;
 	int len;
 
-	if (sk->sk_shutdown & RCV_SHUTDOWN)
+	if (sk->sk_shutdown & RCV_SHUTDOWN) {
+		iucv_message_reject(path, msg);
 		return;
+	}
+
+	spin_lock(&iucv->message_q.lock);
 
 	if (!list_empty(&iucv->message_q.list) ||
 	    !skb_queue_empty(&iucv->backlog_skb_q))
@@ -1129,9 +1139,8 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg)
 	if (!skb)
 		goto save_message;
 
-	spin_lock(&iucv->message_q.lock);
 	iucv_process_message(sk, skb, path, msg);
-	spin_unlock(&iucv->message_q.lock);
+	goto out_unlock;
 
 	return;
 
@@ -1142,8 +1151,9 @@ save_message:
 	save_msg->path = path;
 	save_msg->msg = *msg;
 
-	spin_lock(&iucv->message_q.lock);
 	list_add_tail(&save_msg->list, &iucv->message_q.list);
+
+out_unlock:
 	spin_unlock(&iucv->message_q.lock);
 }
 
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index f3d9ae350fb..ecc3faf9f11 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -202,10 +202,3 @@ config MAC80211_DEBUG_COUNTERS
 	  and show them in debugfs.
 
 	  If unsure, say N.
-
-config MAC80211_VERBOSE_SPECT_MGMT_DEBUG
-	bool "Verbose Spectrum Management (IEEE 802.11h)debugging"
-	depends on MAC80211_DEBUG_MENU
-	---help---
-	  Say Y here to print out verbose Spectrum Management (IEEE 802.11h)
-	  debug messages.
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index a6f1d8a869b..14134193cd1 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -258,7 +258,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
 			(chan->max_power - local->power_constr_level) :
 			chan->max_power;
 
-	if (local->user_power_level)
+	if (local->user_power_level >= 0)
 		power = min(power, local->user_power_level);
 
 	if (local->hw.conf.power_level != power) {
@@ -757,6 +757,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 	local->hw.conf.long_frame_max_tx_count = 4;
 	local->hw.conf.short_frame_max_tx_count = 7;
 	local->hw.conf.radio_enabled = true;
+	local->user_power_level = -1;
 
 	INIT_LIST_HEAD(&local->interfaces);
 	mutex_init(&local->iflist_mtx);
@@ -909,6 +910,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (result < 0)
 		goto fail_sta_info;
 
+	result = ieee80211_wep_init(local);
+	if (result < 0) {
+		printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
+		       wiphy_name(local->hw.wiphy), result);
+		goto fail_wep;
+	}
+
 	rtnl_lock();
 	result = dev_alloc_name(local->mdev, local->mdev->name);
 	if (result < 0)
@@ -930,14 +938,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 		goto fail_rate;
 	}
 
-	result = ieee80211_wep_init(local);
-
-	if (result < 0) {
-		printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
-		       wiphy_name(local->hw.wiphy), result);
-		goto fail_wep;
-	}
-
 	/* add one default STA interface if supported */
 	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) {
 		result = ieee80211_if_add(local, "wlan%d", NULL,
@@ -967,13 +967,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
 	return 0;
 
-fail_wep:
-	rate_control_deinitialize(local);
 fail_rate:
 	unregister_netdevice(local->mdev);
 	local->mdev = NULL;
 fail_dev:
 	rtnl_unlock();
+	ieee80211_wep_free(local);
+fail_wep:
 	sta_info_stop(local);
 fail_sta_info:
 	debugfs_hw_del(local);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 7ecda9d59d8..132938b073d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -441,6 +441,9 @@ static bool ieee80211_check_tim(struct ieee802_11_elems *elems, u16 aid)
 	u8 index, indexn1, indexn2;
 	struct ieee80211_tim_ie *tim = (struct ieee80211_tim_ie *) elems->tim;
 
+	if (unlikely(!tim || elems->tim_len < 4))
+		return false;
+
 	aid &= 0x3fff;
 	index = aid / 8;
 	mask  = 1 << (aid & 7);
@@ -945,9 +948,13 @@ void ieee80211_beacon_loss_work(struct work_struct *work)
 			     u.mgd.beacon_loss_work);
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 
-	printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
-	       "- sending probe request\n", sdata->dev->name,
-	       sdata->u.mgd.bssid);
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	if (net_ratelimit()) {
+		printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM "
+		       "- sending probe request\n", sdata->dev->name,
+		       sdata->u.mgd.bssid);
+	}
+#endif
 
 	ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
 	ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
@@ -1007,9 +1014,13 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
 	      (local->hw.conf.flags & IEEE80211_CONF_PS)) &&
 	    time_after(jiffies,
 		       ifmgd->last_beacon + IEEE80211_MONITORING_INTERVAL)) {
-		printk(KERN_DEBUG "%s: beacon loss from AP %pM "
-		       "- sending probe request\n",
-		       sdata->dev->name, ifmgd->bssid);
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s: beacon loss from AP %pM "
+			       "- sending probe request\n",
+			       sdata->dev->name, ifmgd->bssid);
+		}
+#endif
 		ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
 		ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
 					 ifmgd->ssid_len, NULL, 0);
@@ -1355,7 +1366,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 
 	for (i = 0; i < elems.ext_supp_rates_len; i++) {
 		int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
-		bool is_basic = !!(elems.supp_rates[i] & 0x80);
+		bool is_basic = !!(elems.ext_supp_rates[i] & 0x80);
 
 		if (rate > 110)
 			have_higher_than_11mbit = true;
@@ -1902,9 +1913,17 @@ static void ieee80211_sta_work(struct work_struct *work)
 
 static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
 {
-	if (sdata->vif.type == NL80211_IFTYPE_STATION)
+	if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+		/*
+		 * Need to update last_beacon to avoid beacon loss
+		 * test to trigger.
+		 */
+		sdata->u.mgd.last_beacon = jiffies;
+
+
 		queue_work(sdata->local->hw.workqueue,
 			   &sdata->u.mgd.work);
+	}
 }
 
 /* interface setup */
@@ -2105,12 +2124,13 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
 	struct ieee80211_local *local =
 		container_of(work, struct ieee80211_local,
 			     dynamic_ps_enable_work);
+	/* XXX: using scan_sdata is completely broken! */
 	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
 
 	if (local->hw.conf.flags & IEEE80211_CONF_PS)
 		return;
 
-	if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+	if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK && sdata)
 		ieee80211_send_nullfunc(local, sdata, 1);
 
 	local->hw.conf.flags |= IEEE80211_CONF_PS;
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 02730232649..81985d27cbd 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -156,8 +156,19 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
 		case NL80211_IFTYPE_ADHOC:
 		case NL80211_IFTYPE_AP:
 		case NL80211_IFTYPE_MESH_POINT:
-			WARN_ON(ieee80211_if_config(sdata, changed));
-			ieee80211_bss_info_change_notify(sdata, ~0);
+			/*
+			 * Driver's config_interface can fail if rfkill is
+			 * enabled. Accommodate this return code.
+			 * FIXME: When mac80211 has knowledge of rfkill
+			 * state the code below can change back to:
+			 *   WARN(ieee80211_if_config(sdata, changed));
+			 *   ieee80211_bss_info_change_notify(sdata, ~0);
+			 */
+			if (ieee80211_if_config(sdata, changed))
+				printk(KERN_DEBUG "%s: failed to configure interface during resume\n",
+				       sdata->dev->name);
+			else
+				ieee80211_bss_info_change_notify(sdata, ~0);
 			break;
 		case NL80211_IFTYPE_WDS:
 			break;
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 3824990d340..d9233ec5061 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -476,8 +476,8 @@ minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
 		return NULL;
 
 	for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
-		sband = hw->wiphy->bands[hw->conf.channel->band];
-		if (sband->n_bitrates > max_rates)
+		sband = hw->wiphy->bands[i];
+		if (sband && sband->n_bitrates > max_rates)
 			max_rates = sband->n_bitrates;
 	}
 
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index b16801cde06..8bef9a1262f 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -317,13 +317,44 @@ rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
 			   struct ieee80211_sta *sta, void *priv_sta)
 {
 	struct rc_pid_sta_info *spinfo = priv_sta;
+	struct rc_pid_info *pinfo = priv;
+	struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
 	struct sta_info *si;
+	int i, j, tmp;
+	bool s;
 
 	/* TODO: This routine should consider using RSSI from previous packets
 	 * as we need to have IEEE 802.1X auth succeed immediately after assoc..
 	 * Until that method is implemented, we will use the lowest supported
 	 * rate as a workaround. */
 
+	/* Sort the rates. This is optimized for the most common case (i.e.
+	 * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
+	 * mapping too. */
+	for (i = 0; i < sband->n_bitrates; i++) {
+		rinfo[i].index = i;
+		rinfo[i].rev_index = i;
+		if (RC_PID_FAST_START)
+			rinfo[i].diff = 0;
+		else
+			rinfo[i].diff = i * pinfo->norm_offset;
+	}
+	for (i = 1; i < sband->n_bitrates; i++) {
+		s = 0;
+		for (j = 0; j < sband->n_bitrates - i; j++)
+			if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
+				     sband->bitrates[rinfo[j + 1].index].bitrate)) {
+				tmp = rinfo[j].index;
+				rinfo[j].index = rinfo[j + 1].index;
+				rinfo[j + 1].index = tmp;
+				rinfo[rinfo[j].index].rev_index = j;
+				rinfo[rinfo[j + 1].index].rev_index = j + 1;
+				s = 1;
+			}
+		if (!s)
+			break;
+	}
+
 	spinfo->txrate_idx = rate_lowest_index(sband, sta);
 	/* HACK */
 	si = container_of(sta, struct sta_info, sta);
@@ -336,21 +367,22 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
 	struct rc_pid_info *pinfo;
 	struct rc_pid_rateinfo *rinfo;
 	struct ieee80211_supported_band *sband;
-	int i, j, tmp;
-	bool s;
+	int i, max_rates = 0;
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct rc_pid_debugfs_entries *de;
 #endif
 
-	sband = hw->wiphy->bands[hw->conf.channel->band];
-
 	pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
 	if (!pinfo)
 		return NULL;
 
-	/* We can safely assume that sband won't change unless we get
-	 * reinitialized. */
-	rinfo = kmalloc(sizeof(*rinfo) * sband->n_bitrates, GFP_ATOMIC);
+	for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+		sband = hw->wiphy->bands[i];
+		if (sband && sband->n_bitrates > max_rates)
+			max_rates = sband->n_bitrates;
+	}
+
+	rinfo = kmalloc(sizeof(*rinfo) * max_rates, GFP_ATOMIC);
 	if (!rinfo) {
 		kfree(pinfo);
 		return NULL;
@@ -368,33 +400,6 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
 	pinfo->rinfo = rinfo;
 	pinfo->oldrate = 0;
 
-	/* Sort the rates. This is optimized for the most common case (i.e.
-	 * almost-sorted CCK+OFDM rates). Kind of bubble-sort with reversed
-	 * mapping too. */
-	for (i = 0; i < sband->n_bitrates; i++) {
-		rinfo[i].index = i;
-		rinfo[i].rev_index = i;
-		if (RC_PID_FAST_START)
-			rinfo[i].diff = 0;
-		else
-			rinfo[i].diff = i * pinfo->norm_offset;
-	}
-	for (i = 1; i < sband->n_bitrates; i++) {
-		s = 0;
-		for (j = 0; j < sband->n_bitrates - i; j++)
-			if (unlikely(sband->bitrates[rinfo[j].index].bitrate >
-				     sband->bitrates[rinfo[j + 1].index].bitrate)) {
-				tmp = rinfo[j].index;
-				rinfo[j].index = rinfo[j + 1].index;
-				rinfo[j + 1].index = tmp;
-				rinfo[rinfo[j].index].rev_index = j;
-				rinfo[rinfo[j + 1].index].rev_index = j + 1;
-				s = 1;
-			}
-		if (!s)
-			break;
-	}
-
 #ifdef CONFIG_MAC80211_DEBUGFS
 	de = &pinfo->dentries;
 	de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 64ebe664eff..9776f73c51a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -29,6 +29,7 @@
 static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 					   struct tid_ampdu_rx *tid_agg_rx,
 					   struct sk_buff *skb,
+					   struct ieee80211_rx_status *status,
 					   u16 mpdu_seq_num,
 					   int bar_req);
 /*
@@ -1396,7 +1397,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 		 * mac80211. That also explains the __skb_push()
 		 * below.
 		 */
-		align = (unsigned long)skb->data & 4;
+		align = (unsigned long)skb->data & 3;
 		if (align) {
 			if (WARN_ON(skb_headroom(skb) < 3)) {
 				dev_kfree_skb(skb);
@@ -1688,7 +1689,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 		/* manage reordering buffer according to requested */
 		/* sequence number */
 		rcu_read_lock();
-		ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL,
+		ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, NULL,
 						 start_seq_num, 1);
 		rcu_read_unlock();
 		return RX_DROP_UNUSABLE;
@@ -2293,6 +2294,7 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
 static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 					   struct tid_ampdu_rx *tid_agg_rx,
 					   struct sk_buff *skb,
+					   struct ieee80211_rx_status *rxstatus,
 					   u16 mpdu_seq_num,
 					   int bar_req)
 {
@@ -2374,6 +2376,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 
 	/* put the frame in the reordering buffer */
 	tid_agg_rx->reorder_buf[index] = skb;
+	memcpy(tid_agg_rx->reorder_buf[index]->cb, rxstatus,
+	       sizeof(*rxstatus));
 	tid_agg_rx->stored_mpdu_num++;
 	/* release the buffer until next missing frame */
 	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn)
@@ -2399,7 +2403,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 }
 
 static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
-				     struct sk_buff *skb)
+				     struct sk_buff *skb,
+				     struct ieee80211_rx_status *status)
 {
 	struct ieee80211_hw *hw = &local->hw;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -2448,7 +2453,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 
 	/* according to mpdu sequence number deal with reordering buffer */
 	mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4;
-	ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb,
+	ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, status,
 						mpdu_seq_num, 0);
  end_reorder:
 	return ret;
@@ -2512,7 +2517,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
 		return;
 	}
 
-	if (!ieee80211_rx_reorder_ampdu(local, skb))
+	if (!ieee80211_rx_reorder_ampdu(local, skb, status))
 		__ieee80211_rx_handle_packet(hw, skb, status, rate);
 
 	rcu_read_unlock();
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3fb04a86444..63656266d56 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -772,7 +772,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
 	/* internal error, why is TX_FRAGMENTED set? */
-	if (WARN_ON(skb->len <= frag_threshold))
+	if (WARN_ON(skb->len + FCS_LEN <= frag_threshold))
 		return TX_DROP;
 
 	/*
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index deb4ecec122..959aa8379cc 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -417,6 +417,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 {
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_channel* chan = local->hw.conf.channel;
+	bool reconf = false;
 	u32 reconf_flags = 0;
 	int new_power_level;
 
@@ -427,14 +428,38 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 	if (!chan)
 		return -EINVAL;
 
-	if (data->txpower.fixed)
-		new_power_level = min(data->txpower.value, chan->max_power);
-	else /* Automatic power level setting */
-		new_power_level = chan->max_power;
+	/* only change when not disabling */
+	if (!data->txpower.disabled) {
+		if (data->txpower.fixed) {
+			if (data->txpower.value < 0)
+				return -EINVAL;
+			new_power_level = data->txpower.value;
+			/*
+			 * Debatable, but we cannot do a fixed power
+			 * level above the regulatory constraint.
+			 * Use "iwconfig wlan0 txpower 15dBm" instead.
+			 */
+			if (new_power_level > chan->max_power)
+				return -EINVAL;
+		} else {
+			/*
+			 * Automatic power level setting, max being the value
+			 * passed in from userland.
+			 */
+			if (data->txpower.value < 0)
+				new_power_level = -1;
+			else
+				new_power_level = data->txpower.value;
+		}
+
+		reconf = true;
 
-	local->user_power_level = new_power_level;
-	if (local->hw.conf.power_level != new_power_level)
-		reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
+		/*
+		 * ieee80211_hw_config() will limit to the channel's
+		 * max power and possibly power constraint from AP.
+		 */
+		local->user_power_level = new_power_level;
+	}
 
 	if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
 		local->hw.conf.radio_enabled = !(data->txpower.disabled);
@@ -442,7 +467,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 		ieee80211_led_radio(local, local->hw.conf.radio_enabled);
 	}
 
-	if (reconf_flags)
+	if (reconf || reconf_flags)
 		ieee80211_hw_config(local, reconf_flags);
 
 	return 0;
@@ -530,7 +555,7 @@ static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 
 	frag->value = local->fragmentation_threshold;
-	frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
+	frag->disabled = (frag->value >= IEEE80211_MAX_FRAG_THRESHOLD);
 	frag->fixed = 1;
 
 	return 0;
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 2329c5f5055..cb3ad741ebf 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -275,6 +275,8 @@ config NF_CT_NETLINK
 	help
 	  This option enables support for a netlink-based userspace interface
 
+endif # NF_CONNTRACK
+
 # transparent proxy support
 config NETFILTER_TPROXY
 	tristate "Transparent proxying support (EXPERIMENTAL)"
@@ -290,8 +292,6 @@ config NETFILTER_TPROXY
 
 	  To compile it as a module, choose M here.  If unsure, say N.
 
-endif # NF_CONNTRACK
-
 config NETFILTER_XTABLES
 	tristate "Netfilter Xtables support (required for ip_tables)"
 	default m if NETFILTER_ADVANCED=n
@@ -837,6 +837,7 @@ config NETFILTER_XT_MATCH_SOCKET
 	depends on NETFILTER_TPROXY
 	depends on NETFILTER_XTABLES
 	depends on NETFILTER_ADVANCED
+	depends on !NF_CONNTRACK || NF_CONNTRACK
 	select NF_DEFRAG_IPV4
 	help
 	  This option adds a `socket' match, which can be used to match
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 60aba45023f..77bfdfeb966 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -260,7 +260,10 @@ struct ip_vs_conn *ip_vs_ct_in_get
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
 		if (cp->af == af &&
 		    ip_vs_addr_equal(af, s_addr, &cp->caddr) &&
-		    ip_vs_addr_equal(af, d_addr, &cp->vaddr) &&
+		    /* protocol should only be IPPROTO_IP if
+		     * d_addr is a fwmark */
+		    ip_vs_addr_equal(protocol == IPPROTO_IP ? AF_UNSPEC : af,
+		                     d_addr, &cp->vaddr) &&
 		    s_port == cp->cport && d_port == cp->vport &&
 		    cp->flags & IP_VS_CONN_F_TEMPLATE &&
 		    protocol == cp->protocol) {
@@ -698,7 +701,9 @@ ip_vs_conn_new(int af, int proto, const union nf_inet_addr *caddr, __be16 cport,
 	cp->cport	   = cport;
 	ip_vs_addr_copy(af, &cp->vaddr, vaddr);
 	cp->vport	   = vport;
-	ip_vs_addr_copy(af, &cp->daddr, daddr);
+	/* proto should only be IPPROTO_IP if d_addr is a fwmark */
+	ip_vs_addr_copy(proto == IPPROTO_IP ? AF_UNSPEC : af,
+			&cp->daddr, daddr);
 	cp->dport          = dport;
 	cp->flags	   = flags;
 	spin_lock_init(&cp->lock);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index cb3e031335e..8dddb17a947 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -278,7 +278,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 		 */
 		if (svc->fwmark) {
 			union nf_inet_addr fwmark = {
-				.all = { 0, 0, 0, htonl(svc->fwmark) }
+				.ip = htonl(svc->fwmark)
 			};
 
 			ct = ip_vs_ct_in_get(svc->af, IPPROTO_IP, &snet, 0,
@@ -306,7 +306,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 			 */
 			if (svc->fwmark) {
 				union nf_inet_addr fwmark = {
-					.all = { 0, 0, 0, htonl(svc->fwmark) }
+					.ip = htonl(svc->fwmark)
 				};
 
 				ct = ip_vs_conn_new(svc->af, IPPROTO_IP,
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 30b8e9009f9..0fa5a422959 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -176,7 +176,7 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
 	}
 
 	/* Get rid of expecteds, set helpers to NULL. */
-	hlist_for_each_entry(h, nn, &net->ct.unconfirmed, hnnode)
+	hlist_nulls_for_each_entry(h, nn, &net->ct.unconfirmed, hnnode)
 		unhelp(h, me);
 	for (i = 0; i < nf_conntrack_htable_size; i++) {
 		hlist_nulls_for_each_entry(h, nn, &net->ct.hash[i], hnnode)
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index c6439c77953..c523f0b8cee 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -512,7 +512,7 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 
 	skb = ctnetlink_alloc_skb(tuple(ct, IP_CT_DIR_ORIGINAL), GFP_ATOMIC);
 	if (!skb)
-		return NOTIFY_DONE;
+		goto errout;
 
 	b = skb->tail;
 
@@ -591,8 +591,9 @@ static int ctnetlink_conntrack_event(struct notifier_block *this,
 nla_put_failure:
 	rcu_read_unlock();
 nlmsg_failure:
-	nfnetlink_set_err(0, group, -ENOBUFS);
 	kfree_skb(skb);
+errout:
+	nfnetlink_set_err(0, group, -ENOBUFS);
 	return NOTIFY_DONE;
 }
 #endif /* CONFIG_NF_CONNTRACK_EVENTS */
@@ -987,7 +988,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[])
 {
 	struct nf_conntrack_helper *helper;
 	struct nf_conn_help *help = nfct_help(ct);
-	char *helpname;
+	char *helpname = NULL;
 	int err;
 
 	/* don't change helper of sibling connections */
@@ -1185,28 +1186,6 @@ ctnetlink_change_conntrack(struct nf_conn *ct, struct nlattr *cda[])
 	return 0;
 }
 
-static inline void
-ctnetlink_event_report(struct nf_conn *ct, u32 pid, int report)
-{
-	unsigned int events = 0;
-
-	if (test_bit(IPS_EXPECTED_BIT, &ct->status))
-		events |= IPCT_RELATED;
-	else
-		events |= IPCT_NEW;
-
-	nf_conntrack_event_report(IPCT_STATUS |
-				  IPCT_HELPER |
-				  IPCT_REFRESH |
-				  IPCT_PROTOINFO |
-				  IPCT_NATSEQADJ |
-				  IPCT_MARK |
-				  events,
-				  ct,
-				  pid,
-				  report);
-}
-
 static struct nf_conn *
 ctnetlink_create_conntrack(struct nlattr *cda[],
 			   struct nf_conntrack_tuple *otuple,
@@ -1230,7 +1209,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
 
 	rcu_read_lock();
  	if (cda[CTA_HELP]) {
- 		char *helpname;
+		char *helpname = NULL;
  
  		err = ctnetlink_parse_help(cda[CTA_HELP], &helpname);
  		if (err < 0)
@@ -1372,6 +1351,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 		err = -ENOENT;
 		if (nlh->nlmsg_flags & NLM_F_CREATE) {
 			struct nf_conn *ct;
+			enum ip_conntrack_events events;
 
 			ct = ctnetlink_create_conntrack(cda, &otuple,
 							&rtuple, u3);
@@ -1382,9 +1362,18 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 			err = 0;
 			nf_conntrack_get(&ct->ct_general);
 			spin_unlock_bh(&nf_conntrack_lock);
-			ctnetlink_event_report(ct,
-					       NETLINK_CB(skb).pid,
-					       nlmsg_report(nlh));
+			if (test_bit(IPS_EXPECTED_BIT, &ct->status))
+				events = IPCT_RELATED;
+			else
+				events = IPCT_NEW;
+
+			nf_conntrack_event_report(IPCT_STATUS |
+						  IPCT_HELPER |
+						  IPCT_PROTOINFO |
+						  IPCT_NATSEQADJ |
+						  IPCT_MARK | events,
+						  ct, NETLINK_CB(skb).pid,
+						  nlmsg_report(nlh));
 			nf_ct_put(ct);
 		} else
 			spin_unlock_bh(&nf_conntrack_lock);
@@ -1403,9 +1392,13 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
 		if (err == 0) {
 			nf_conntrack_get(&ct->ct_general);
 			spin_unlock_bh(&nf_conntrack_lock);
-			ctnetlink_event_report(ct,
-					       NETLINK_CB(skb).pid,
-					       nlmsg_report(nlh));
+			nf_conntrack_event_report(IPCT_STATUS |
+						  IPCT_HELPER |
+						  IPCT_PROTOINFO |
+						  IPCT_NATSEQADJ |
+						  IPCT_MARK,
+						  ct, NETLINK_CB(skb).pid,
+						  nlmsg_report(nlh));
 			nf_ct_put(ct);
 		} else
 			spin_unlock_bh(&nf_conntrack_lock);
@@ -1564,7 +1557,7 @@ static int ctnetlink_expect_event(struct notifier_block *this,
 
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_ATOMIC);
 	if (!skb)
-		return NOTIFY_DONE;
+		goto errout;
 
 	b = skb->tail;
 
@@ -1589,8 +1582,9 @@ static int ctnetlink_expect_event(struct notifier_block *this,
 nla_put_failure:
 	rcu_read_unlock();
 nlmsg_failure:
-	nfnetlink_set_err(0, 0, -ENOBUFS);
 	kfree_skb(skb);
+errout:
+	nfnetlink_set_err(0, 0, -ENOBUFS);
 	return NOTIFY_DONE;
 }
 #endif
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 50dac8dbe7d..aee0d6bea30 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -22,6 +22,7 @@
 #include <linux/netfilter/nfnetlink_conntrack.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_log.h>
 
 static DEFINE_RWLOCK(dccp_lock);
@@ -553,6 +554,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
 	ct->proto.dccp.state = new_state;
 	write_unlock_bh(&dccp_lock);
 
+	if (new_state != old_state)
+		nf_conntrack_event_cache(IPCT_PROTOINFO, ct);
+
 	dn = dccp_pernet(net);
 	nf_ct_refresh_acct(ct, ctinfo, skb, dn->dccp_timeout[new_state]);
 
@@ -633,6 +637,8 @@ static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
 	if (!nest_parms)
 		goto nla_put_failure;
 	NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_STATE, ct->proto.dccp.state);
+	NLA_PUT_U8(skb, CTA_PROTOINFO_DCCP_ROLE,
+		   ct->proto.dccp.role[IP_CT_DIR_ORIGINAL]);
 	nla_nest_end(skb, nest_parms);
 	read_unlock_bh(&dccp_lock);
 	return 0;
@@ -644,6 +650,7 @@ nla_put_failure:
 
 static const struct nla_policy dccp_nla_policy[CTA_PROTOINFO_DCCP_MAX + 1] = {
 	[CTA_PROTOINFO_DCCP_STATE]	= { .type = NLA_U8 },
+	[CTA_PROTOINFO_DCCP_ROLE]	= { .type = NLA_U8 },
 };
 
 static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
@@ -661,11 +668,21 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct)
 		return err;
 
 	if (!tb[CTA_PROTOINFO_DCCP_STATE] ||
-	    nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE)
+	    !tb[CTA_PROTOINFO_DCCP_ROLE] ||
+	    nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) > CT_DCCP_ROLE_MAX ||
+	    nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]) >= CT_DCCP_IGNORE) {
 		return -EINVAL;
+	}
 
 	write_lock_bh(&dccp_lock);
 	ct->proto.dccp.state = nla_get_u8(tb[CTA_PROTOINFO_DCCP_STATE]);
+	if (nla_get_u8(tb[CTA_PROTOINFO_DCCP_ROLE]) == CT_DCCP_ROLE_CLIENT) {
+		ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_CLIENT;
+		ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_SERVER;
+	} else {
+		ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_SERVER;
+		ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_CLIENT;
+	}
 	write_unlock_bh(&dccp_lock);
 	return 0;
 }
@@ -777,6 +794,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
 	.print_conntrack	= dccp_print_conntrack,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
 	.to_nlattr		= dccp_to_nlattr,
+	.nlattr_size		= dccp_nlattr_size,
 	.from_nlattr		= nlattr_to_dccp,
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
 	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index b5ccf2b4b2e..97a6e93d742 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -634,6 +634,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
 			sender->td_end = end;
 			sender->flags |= IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED;
 		}
+		if (tcph->ack) {
+			if (!(sender->flags & IP_CT_TCP_FLAG_MAXACK_SET)) {
+				sender->td_maxack = ack;
+				sender->flags |= IP_CT_TCP_FLAG_MAXACK_SET;
+			} else if (after(ack, sender->td_maxack))
+				sender->td_maxack = ack;
+		}
+
 		/*
 		 * Update receiver data.
 		 */
@@ -919,6 +927,16 @@ static int tcp_packet(struct nf_conn *ct,
 		return -NF_ACCEPT;
 	case TCP_CONNTRACK_CLOSE:
 		if (index == TCP_RST_SET
+		    && (ct->proto.tcp.seen[!dir].flags & IP_CT_TCP_FLAG_MAXACK_SET)
+		    && before(ntohl(th->seq), ct->proto.tcp.seen[!dir].td_maxack)) {
+			/* Invalid RST  */
+			write_unlock_bh(&tcp_lock);
+			if (LOG_INVALID(net, IPPROTO_TCP))
+				nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
+					  "nf_ct_tcp: invalid RST ");
+			return -NF_ACCEPT;
+		}
+		if (index == TCP_RST_SET
 		    && ((test_bit(IPS_SEEN_REPLY_BIT, &ct->status)
 			 && ct->proto.tcp.last_index == TCP_SYN_SET)
 			|| (!test_bit(IPS_ASSURED_BIT, &ct->status)
diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index 4614696c1b8..0badedc542d 100644
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -204,6 +204,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
 	.error			= udplite_error,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
+	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,
 	.nlattr_to_tuple	= nf_ct_port_nlattr_to_tuple,
 	.nla_policy		= nf_ct_port_nla_policy,
 #endif
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 8bb998fe098..beb37311e1a 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -36,10 +36,14 @@ static struct nf_logger *__find_logger(int pf, const char *str_logger)
 int nf_log_register(u_int8_t pf, struct nf_logger *logger)
 {
 	const struct nf_logger *llog;
+	int i;
 
 	if (pf >= ARRAY_SIZE(nf_loggers))
 		return -EINVAL;
 
+	for (i = 0; i < ARRAY_SIZE(logger->list); i++)
+		INIT_LIST_HEAD(&logger->list[i]);
+
 	mutex_lock(&nf_log_mutex);
 
 	if (pf == NFPROTO_UNSPEC) {
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 2785d66a7e3..b8ab37ad7ed 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -203,7 +203,7 @@ static int __init nfnetlink_init(void)
 				     nfnetlink_rcv, NULL, THIS_MODULE);
 	if (!nfnl) {
 		printk(KERN_ERR "cannot initialize nfnetlink!\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	return 0;
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index fd326ac27ec..66a6dd5c519 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -581,6 +581,12 @@ nfulnl_log_packet(u_int8_t pf,
 		+ nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
 		+ nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));
 
+	if (in && skb_mac_header_was_set(skb)) {
+		size +=   nla_total_size(skb->dev->hard_header_len)
+			+ nla_total_size(sizeof(u_int16_t))	/* hwtype */
+			+ nla_total_size(sizeof(u_int16_t));	/* hwlen */
+	}
+
 	spin_lock_bh(&inst->lock);
 
 	if (inst->flags & NFULNL_CFG_F_SEQ)
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 509a95621f9..150e5cf62f8 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -625,20 +625,6 @@ void xt_free_table_info(struct xt_table_info *info)
 }
 EXPORT_SYMBOL(xt_free_table_info);
 
-void xt_table_entry_swap_rcu(struct xt_table_info *oldinfo,
-			     struct xt_table_info *newinfo)
-{
-	unsigned int cpu;
-
-	for_each_possible_cpu(cpu) {
-		void *p = oldinfo->entries[cpu];
-		rcu_assign_pointer(oldinfo->entries[cpu], newinfo->entries[cpu]);
-		newinfo->entries[cpu] = p;
-	}
-
-}
-EXPORT_SYMBOL_GPL(xt_table_entry_swap_rcu);
-
 /* Find table by name, grabs mutex & ref.  Returns ERR_PTR() on error. */
 struct xt_table *xt_find_table_lock(struct net *net, u_int8_t af,
 				    const char *name)
@@ -676,32 +662,43 @@ void xt_compat_unlock(u_int8_t af)
 EXPORT_SYMBOL_GPL(xt_compat_unlock);
 #endif
 
+DEFINE_PER_CPU(struct xt_info_lock, xt_info_locks);
+EXPORT_PER_CPU_SYMBOL_GPL(xt_info_locks);
+
+
 struct xt_table_info *
 xt_replace_table(struct xt_table *table,
 	      unsigned int num_counters,
 	      struct xt_table_info *newinfo,
 	      int *error)
 {
-	struct xt_table_info *oldinfo, *private;
+	struct xt_table_info *private;
 
 	/* Do the substitution. */
-	mutex_lock(&table->lock);
+	local_bh_disable();
 	private = table->private;
+
 	/* Check inside lock: is the old number correct? */
 	if (num_counters != private->number) {
 		duprintf("num_counters != table->private->number (%u/%u)\n",
 			 num_counters, private->number);
-		mutex_unlock(&table->lock);
+		local_bh_enable();
 		*error = -EAGAIN;
 		return NULL;
 	}
-	oldinfo = private;
-	rcu_assign_pointer(table->private, newinfo);
-	newinfo->initial_entries = oldinfo->initial_entries;
-	mutex_unlock(&table->lock);
 
-	synchronize_net();
-	return oldinfo;
+	table->private = newinfo;
+	newinfo->initial_entries = private->initial_entries;
+
+	/*
+	 * Even though table entries have now been swapped, other CPU's
+	 * may still be using the old entries. This is okay, because
+	 * resynchronization happens because of the locking done
+	 * during the get_counters() routine.
+	 */
+	local_bh_enable();
+
+	return private;
 }
 EXPORT_SYMBOL_GPL(xt_replace_table);
 
@@ -734,7 +731,6 @@ struct xt_table *xt_register_table(struct net *net, struct xt_table *table,
 
 	/* Simplifies replace_table code. */
 	table->private = bootstrap;
-	mutex_init(&table->lock);
 
 	if (!xt_replace_table(table, 0, newinfo, &ret))
 		goto unlock;
@@ -1147,7 +1143,14 @@ static struct pernet_operations xt_net_ops = {
 
 static int __init xt_init(void)
 {
-	int i, rv;
+	unsigned int i;
+	int rv;
+
+	for_each_possible_cpu(i) {
+		struct xt_info_lock *lock = &per_cpu(xt_info_locks, i);
+		spin_lock_init(&lock->lock);
+		lock->readers = 0;
+	}
 
 	xt = kmalloc(sizeof(struct xt_af) * NFPROTO_NUMPROTO, GFP_KERNEL);
 	if (!xt)
diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c
index 6c4847662b8..69a639f3540 100644
--- a/net/netfilter/xt_cluster.c
+++ b/net/netfilter/xt_cluster.c
@@ -135,7 +135,13 @@ static bool xt_cluster_mt_checkentry(const struct xt_mtchk_param *par)
 {
 	struct xt_cluster_match_info *info = par->matchinfo;
 
-	if (info->node_mask >= (1 << info->total_nodes)) {
+	if (info->total_nodes > XT_CLUSTER_NODES_MAX) {
+		printk(KERN_ERR "xt_cluster: you have exceeded the maximum "
+				"number of cluster nodes (%u > %u)\n",
+				info->total_nodes, XT_CLUSTER_NODES_MAX);
+		return false;
+	}
+	if (info->node_mask >= (1ULL << info->total_nodes)) {
 		printk(KERN_ERR "xt_cluster: this node mask cannot be "
 				"higher than the total number of nodes\n");
 		return false;
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a5b5369c30f..219dcdbe388 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -926,7 +926,7 @@ static int dl_seq_show(struct seq_file *s, void *v)
 	if (!hlist_empty(&htable->hash[*bucket])) {
 		hlist_for_each_entry(ent, pos, &htable->hash[*bucket], node)
 			if (dl_seq_real_show(ent, htable->family, s))
-				return 1;
+				return -1;
 	}
 	return 0;
 }
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 791e030ea90..eb0ceb84652 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -474,7 +474,7 @@ static ssize_t recent_old_proc_write(struct file *file,
 	struct recent_table *t = pde->data;
 	struct recent_entry *e;
 	char buf[sizeof("+255.255.255.255")], *c = buf;
-	__be32 addr;
+	union nf_inet_addr addr = {};
 	int add;
 
 	if (size > sizeof(buf))
@@ -506,14 +506,13 @@ static ssize_t recent_old_proc_write(struct file *file,
 		add = 1;
 		break;
 	}
-	addr = in_aton(c);
+	addr.ip = in_aton(c);
 
 	spin_lock_bh(&recent_lock);
-	e = recent_entry_lookup(t, (const void *)&addr, NFPROTO_IPV4, 0);
+	e = recent_entry_lookup(t, &addr, NFPROTO_IPV4, 0);
 	if (e == NULL) {
 		if (add)
-			recent_entry_init(t, (const void *)&addr,
-					  NFPROTO_IPV4, 0);
+			recent_entry_init(t, &addr, NFPROTO_IPV4, 0);
 	} else {
 		if (add)
 			recent_entry_update(t, e);
diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c
index 834c6eb7f48..c0519139679 100644
--- a/net/netlabel/netlabel_addrlist.c
+++ b/net/netlabel/netlabel_addrlist.c
@@ -256,13 +256,11 @@ struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask,
 {
 	struct netlbl_af4list *entry;
 
-	entry = netlbl_af4list_search(addr, head);
-	if (entry != NULL && entry->addr == addr && entry->mask == mask) {
-		netlbl_af4list_remove_entry(entry);
-		return entry;
-	}
-
-	return NULL;
+	entry = netlbl_af4list_search_exact(addr, mask, head);
+	if (entry == NULL)
+		return NULL;
+	netlbl_af4list_remove_entry(entry);
+	return entry;
 }
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -299,15 +297,11 @@ struct netlbl_af6list *netlbl_af6list_remove(const struct in6_addr *addr,
 {
 	struct netlbl_af6list *entry;
 
-	entry = netlbl_af6list_search(addr, head);
-	if (entry != NULL &&
-	    ipv6_addr_equal(&entry->addr, addr) &&
-	    ipv6_addr_equal(&entry->mask, mask)) {
-		netlbl_af6list_remove_entry(entry);
-		return entry;
-	}
-
-	return NULL;
+	entry = netlbl_af6list_search_exact(addr, mask, head);
+	if (entry == NULL)
+		return NULL;
+	netlbl_af6list_remove_entry(entry);
+	return entry;
 }
 #endif /* IPv6 */
 
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 4e705f87969..3be0e016ab7 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1084,8 +1084,10 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 	/* Build a packet - the conventional user limit is 236 bytes. We can
 	   do ludicrously large NetROM frames but must not overflow */
-	if (len > 65536)
-		return -EMSGSIZE;
+	if (len > 65536) {
+		err = -EMSGSIZE;
+		goto out;
+	}
 
 	SOCK_DEBUG(sk, "NET/ROM: sendto: building packet.\n");
 	size = len + NR_NETWORK_LEN + NR_TRANSPORT_LEN;
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 0f1218b8d28..67e38a05624 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -343,9 +343,9 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
 		/* not yet present - create a candidate for a new connection
 		 * and then redo the check */
 		conn = rxrpc_alloc_connection(gfp);
-		if (IS_ERR(conn)) {
-			_leave(" = %ld", PTR_ERR(conn));
-			return PTR_ERR(conn);
+		if (!conn) {
+			_leave(" = -ENOMEM");
+			return -ENOMEM;
 		}
 
 		conn->trans = trans;
@@ -508,9 +508,9 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
 		/* not yet present - create a candidate for a new connection and then
 		 * redo the check */
 		candidate = rxrpc_alloc_connection(gfp);
-		if (IS_ERR(candidate)) {
-			_leave(" = %ld", PTR_ERR(candidate));
-			return PTR_ERR(candidate);
+		if (!candidate) {
+			_leave(" = -ENOMEM");
+			return -ENOMEM;
 		}
 
 		candidate->trans = trans;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 173fcc4b050..09cdcdfe7e9 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -135,6 +135,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	unsigned long cl;
 	unsigned long fh;
 	int err;
+	int tp_created = 0;
 
 	if (net != &init_net)
 		return -EINVAL;
@@ -254,7 +255,7 @@ replay:
 		}
 		tp->ops = tp_ops;
 		tp->protocol = protocol;
-		tp->prio = nprio ? : tcf_auto_prio(*back);
+		tp->prio = nprio ? : TC_H_MAJ(tcf_auto_prio(*back));
 		tp->q = q;
 		tp->classify = tp_ops->classify;
 		tp->classid = parent;
@@ -266,10 +267,7 @@ replay:
 			goto errout;
 		}
 
-		spin_lock_bh(root_lock);
-		tp->next = *back;
-		*back = tp;
-		spin_unlock_bh(root_lock);
+		tp_created = 1;
 
 	} else if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], tp->ops->kind))
 		goto errout;
@@ -296,8 +294,11 @@ replay:
 		switch (n->nlmsg_type) {
 		case RTM_NEWTFILTER:
 			err = -EEXIST;
-			if (n->nlmsg_flags & NLM_F_EXCL)
+			if (n->nlmsg_flags & NLM_F_EXCL) {
+				if (tp_created)
+					tcf_destroy(tp);
 				goto errout;
+			}
 			break;
 		case RTM_DELTFILTER:
 			err = tp->ops->delete(tp, fh);
@@ -314,8 +315,18 @@ replay:
 	}
 
 	err = tp->ops->change(tp, cl, t->tcm_handle, tca, &fh);
-	if (err == 0)
+	if (err == 0) {
+		if (tp_created) {
+			spin_lock_bh(root_lock);
+			tp->next = *back;
+			*back = tp;
+			spin_unlock_bh(root_lock);
+		}
 		tfilter_notify(skb, n, tp, fh, RTM_NEWTFILTER);
+	} else {
+		if (tp_created)
+			tcf_destroy(tp);
+	}
 
 errout:
 	if (cl)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 91a3db4a76f..e5becb92b3e 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -104,8 +104,7 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
 			       struct tcf_result *res)
 {
 	struct cls_cgroup_head *head = tp->root;
-	struct cgroup_cls_state *cs;
-	int ret = 0;
+	u32 classid;
 
 	/*
 	 * Due to the nature of the classifier it is required to ignore all
@@ -121,17 +120,18 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
 		return -1;
 
 	rcu_read_lock();
-	cs = task_cls_state(current);
-	if (cs->classid && tcf_em_tree_match(skb, &head->ematches, NULL)) {
-		res->classid = cs->classid;
-		res->class = 0;
-		ret = tcf_exts_exec(skb, &head->exts, res);
-	} else
-		ret = -1;
-
+	classid = task_cls_state(current)->classid;
 	rcu_read_unlock();
 
-	return ret;
+	if (!classid)
+		return -1;
+
+	if (!tcf_em_tree_match(skb, &head->ematches, NULL))
+		return -1;
+
+	res->classid = classid;
+	res->class = 0;
+	return tcf_exts_exec(skb, &head->exts, res);
 }
 
 static unsigned long cls_cgroup_get(struct tcf_proto *tp, u32 handle)
@@ -167,6 +167,9 @@ static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base,
 	struct tcf_exts e;
 	int err;
 
+	if (!tca[TCA_OPTIONS])
+		return -EINVAL;
+
 	if (head == NULL) {
 		if (!handle)
 			return -EINVAL;
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 92cfc9d7e3b..69188e8358b 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -51,7 +51,7 @@ static int fifo_init(struct Qdisc *sch, struct nlattr *opt)
 		u32 limit = qdisc_dev(sch)->tx_queue_len ? : 1;
 
 		if (sch->ops == &bfifo_qdisc_ops)
-			limit *= qdisc_dev(sch)->mtu;
+			limit *= psched_mtu(qdisc_dev(sch));
 
 		q->limit = limit;
 	} else {
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index d876b873484..2b88295cb7b 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -280,6 +280,14 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
 			if (unlikely(!skb))
 				return NULL;
 
+#ifdef CONFIG_NET_CLS_ACT
+			/*
+			 * If it's at ingress let's pretend the delay is
+			 * from the network (tstamp will be updated).
+			 */
+			if (G_TC_FROM(skb->tc_verd) & AT_INGRESS)
+				skb->tstamp.tv64 = 0;
+#endif
 			pr_debug("netem_dequeue: return skb=%p\n", skb);
 			sch->q.qlen--;
 			return skb;
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index ec697cebb63..3b641829723 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -303,6 +303,8 @@ restart:
 		switch (teql_resolve(skb, skb_res, slave)) {
 		case 0:
 			if (__netif_tx_trylock(slave_txq)) {
+				unsigned int length = qdisc_pkt_len(skb);
+
 				if (!netif_tx_queue_stopped(slave_txq) &&
 				    !netif_tx_queue_frozen(slave_txq) &&
 				    slave_ops->ndo_start_xmit(skb, slave) == 0) {
@@ -310,8 +312,7 @@ restart:
 					master->slaves = NEXT_SLAVE(q);
 					netif_wake_queue(dev);
 					master->stats.tx_packets++;
-					master->stats.tx_bytes +=
-						qdisc_pkt_len(skb);
+					master->stats.tx_bytes += length;
 					return 0;
 				}
 				__netif_tx_unlock(slave_txq);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 4e6d406264a..004a2f9dc43 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -379,6 +379,7 @@ static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
 	lock_sock(sock->sk);
 	sock->sk->sk_sndbuf = snd * 2;
 	sock->sk->sk_rcvbuf = rcv * 2;
+	sock->sk->sk_userlocks |= SOCK_SNDBUF_LOCK|SOCK_RCVBUF_LOCK;
 	release_sock(sock->sk);
 #endif
 }
@@ -831,6 +832,23 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
 		test_bit(XPT_CONN, &svsk->sk_xprt.xpt_flags),
 		test_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags));
 
+	if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags))
+		/* sndbuf needs to have room for one request
+		 * per thread, otherwise we can stall even when the
+		 * network isn't a bottleneck.
+		 *
+		 * We count all threads rather than threads in a
+		 * particular pool, which provides an upper bound
+		 * on the number of threads which will access the socket.
+		 *
+		 * rcvbuf just needs to be able to hold a few requests.
+		 * Normally they will be removed from the queue
+		 * as soon a a complete request arrives.
+		 */
+		svc_sock_setbufsize(svsk->sk_sock,
+				    (serv->sv_nrthreads+3) * serv->sv_max_mesg,
+				    3 * serv->sv_max_mesg);
+
 	clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
 
 	/* Receive data. If we haven't got the record length yet, get
@@ -1078,6 +1096,15 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
 
 		tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF;
 
+		/* initialise setting must have enough space to
+		 * receive and respond to one request.
+		 * svc_tcp_recvfrom will re-adjust if necessary
+		 */
+		svc_sock_setbufsize(svsk->sk_sock,
+				    3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
+				    3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
+
+		set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
 		set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
 		if (sk->sk_state != TCP_ESTABLISHED)
 			set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
@@ -1147,14 +1174,8 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
 	/* Initialize the socket */
 	if (sock->type == SOCK_DGRAM)
 		svc_udp_init(svsk, serv);
-	else {
-		/* initialise setting must have enough space to
-		 * receive and respond to one request.
-		 */
-		svc_sock_setbufsize(svsk->sk_sock, 4 * serv->sv_max_mesg,
-					4 * serv->sv_max_mesg);
+	else
 		svc_tcp_init(svsk, serv);
-	}
 
 	dprintk("svc: svc_setup_socket created %p (inet %p)\n",
 				svsk, svsk->sk_sk);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index a0bfe53f162..06ca058572f 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -672,10 +672,8 @@ xprt_init_autodisconnect(unsigned long data)
 	if (test_and_set_bit(XPRT_LOCKED, &xprt->state))
 		goto out_abort;
 	spin_unlock(&xprt->transport_lock);
-	if (xprt_connecting(xprt))
-		xprt_release_write(xprt, NULL);
-	else
-		queue_work(rpciod_workqueue, &xprt->task_cleanup);
+	set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
+	queue_work(rpciod_workqueue, &xprt->task_cleanup);
 	return;
 out_abort:
 	spin_unlock(&xprt->transport_lock);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 629a28764da..42a6f9f2028 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -265,7 +265,7 @@ static int fast_reg_read_chunks(struct svcxprt_rdma *xprt,
 		frmr->page_list->page_list[page_no] =
 			ib_dma_map_single(xprt->sc_cm_id->device,
 					  page_address(rqstp->rq_arg.pages[page_no]),
-					  PAGE_SIZE, DMA_TO_DEVICE);
+					  PAGE_SIZE, DMA_FROM_DEVICE);
 		if (ib_dma_mapping_error(xprt->sc_cm_id->device,
 					 frmr->page_list->page_list[page_no]))
 			goto fatal_err;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 6c26a675435..f11be72a1a8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -128,7 +128,8 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
 		page_bytes -= sge_bytes;
 
 		frmr->page_list->page_list[page_no] =
-			ib_dma_map_page(xprt->sc_cm_id->device, page, 0,
+			ib_dma_map_single(xprt->sc_cm_id->device,
+					  page_address(page),
 					  PAGE_SIZE, DMA_TO_DEVICE);
 		if (ib_dma_mapping_error(xprt->sc_cm_id->device,
 					 frmr->page_list->page_list[page_no]))
@@ -183,6 +184,7 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
 
  fatal_err:
 	printk("svcrdma: Error fast registering memory for xprt %p\n", xprt);
+	vec->frmr = NULL;
 	svc_rdma_put_frmr(xprt, frmr);
 	return -EIO;
 }
@@ -516,6 +518,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
 		       "svcrdma: could not post a receive buffer, err=%d."
 		       "Closing transport %p.\n", ret, rdma);
 		set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+		svc_rdma_put_frmr(rdma, vec->frmr);
 		svc_rdma_put_context(ctxt, 0);
 		return -ENOTCONN;
 	}
@@ -530,18 +533,17 @@ static int send_reply(struct svcxprt_rdma *rdma,
 		clear_bit(RDMACTXT_F_FAST_UNREG, &ctxt->flags);
 
 	/* Prepare the SGE for the RPCRDMA Header */
+	ctxt->sge[0].lkey = rdma->sc_dma_lkey;
+	ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
 	ctxt->sge[0].addr =
-		ib_dma_map_page(rdma->sc_cm_id->device,
-				page, 0, PAGE_SIZE, DMA_TO_DEVICE);
+		ib_dma_map_single(rdma->sc_cm_id->device, page_address(page),
+				  ctxt->sge[0].length, DMA_TO_DEVICE);
 	if (ib_dma_mapping_error(rdma->sc_cm_id->device, ctxt->sge[0].addr))
 		goto err;
 	atomic_inc(&rdma->sc_dma_used);
 
 	ctxt->direction = DMA_TO_DEVICE;
 
-	ctxt->sge[0].length = svc_rdma_xdr_get_reply_hdr_len(rdma_resp);
-	ctxt->sge[0].lkey = rdma->sc_dma_lkey;
-
 	/* Determine how many of our SGE are to be transmitted */
 	for (sge_no = 1; byte_count && sge_no < vec->count; sge_no++) {
 		sge_bytes = min_t(size_t, vec->sge[sge_no].iov_len, byte_count);
@@ -606,6 +608,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
 	return 0;
 
  err:
+	svc_rdma_unmap_dma(ctxt);
 	svc_rdma_put_frmr(rdma, vec->frmr);
 	svc_rdma_put_context(ctxt, 1);
 	return -EIO;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 3d810e7df3f..5151f9f6c57 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -500,8 +500,8 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
 		BUG_ON(sge_no >= xprt->sc_max_sge);
 		page = svc_rdma_get_page();
 		ctxt->pages[sge_no] = page;
-		pa = ib_dma_map_page(xprt->sc_cm_id->device,
-				     page, 0, PAGE_SIZE,
+		pa = ib_dma_map_single(xprt->sc_cm_id->device,
+				     page_address(page), PAGE_SIZE,
 				     DMA_FROM_DEVICE);
 		if (ib_dma_mapping_error(xprt->sc_cm_id->device, pa))
 			goto err_put_ctxt;
@@ -520,8 +520,9 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
 	svc_xprt_get(&xprt->sc_xprt);
 	ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr);
 	if (ret) {
-		svc_xprt_put(&xprt->sc_xprt);
+		svc_rdma_unmap_dma(ctxt);
 		svc_rdma_put_context(ctxt, 1);
+		svc_xprt_put(&xprt->sc_xprt);
 	}
 	return ret;
 
@@ -1314,8 +1315,8 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
 	length = svc_rdma_xdr_encode_error(xprt, rmsgp, err, va);
 
 	/* Prepare SGE for local address */
-	sge.addr = ib_dma_map_page(xprt->sc_cm_id->device,
-				   p, 0, PAGE_SIZE, DMA_FROM_DEVICE);
+	sge.addr = ib_dma_map_single(xprt->sc_cm_id->device,
+				   page_address(p), PAGE_SIZE, DMA_FROM_DEVICE);
 	if (ib_dma_mapping_error(xprt->sc_cm_id->device, sge.addr)) {
 		put_page(p);
 		return;
@@ -1342,7 +1343,7 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp,
 	if (ret) {
 		dprintk("svcrdma: Error %d posting send for protocol error\n",
 			ret);
-		ib_dma_unmap_page(xprt->sc_cm_id->device,
+		ib_dma_unmap_single(xprt->sc_cm_id->device,
 				  sge.addr, PAGE_SIZE,
 				  DMA_FROM_DEVICE);
 		svc_rdma_put_context(ctxt, 1);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 3b21e0cc5e6..465aafc2007 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1495,7 +1495,8 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
 	frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
 	frmr_wr.wr.fast_reg.length = i << PAGE_SHIFT;
 	frmr_wr.wr.fast_reg.access_flags = (writing ?
-				IB_ACCESS_REMOTE_WRITE : IB_ACCESS_REMOTE_READ);
+				IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE :
+				IB_ACCESS_REMOTE_READ);
 	frmr_wr.wr.fast_reg.rkey = seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey;
 	DECR_CQCOUNT(&r_xprt->rx_ep);
 
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index d40ff50887a..e1859614601 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -807,6 +807,9 @@ static void xs_reset_transport(struct sock_xprt *transport)
  *
  * This is used when all requests are complete; ie, no DRC state remains
  * on the server we want to save.
+ *
+ * The caller _must_ be holding XPRT_LOCKED in order to avoid issues with
+ * xs_reset_transport() zeroing the socket from underneath a writer.
  */
 static void xs_close(struct rpc_xprt *xprt)
 {
@@ -824,6 +827,14 @@ static void xs_close(struct rpc_xprt *xprt)
 	xprt_disconnect_done(xprt);
 }
 
+static void xs_tcp_close(struct rpc_xprt *xprt)
+{
+	if (test_and_clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state))
+		xs_close(xprt);
+	else
+		xs_tcp_shutdown(xprt);
+}
+
 /**
  * xs_destroy - prepare to shutdown a transport
  * @xprt: doomed transport
@@ -1772,6 +1783,15 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt,
 			xprt, -status, xprt_connected(xprt),
 			sock->sk->sk_state);
 	switch (status) {
+	default:
+		printk("%s: connect returned unhandled error %d\n",
+			__func__, status);
+	case -EADDRNOTAVAIL:
+		/* We're probably in TIME_WAIT. Get rid of existing socket,
+		 * and retry
+		 */
+		set_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
+		xprt_force_disconnect(xprt);
 	case -ECONNREFUSED:
 	case -ECONNRESET:
 	case -ENETUNREACH:
@@ -1782,10 +1802,6 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt,
 		xprt_clear_connecting(xprt);
 		return;
 	}
-	/* get rid of existing socket, and retry */
-	xs_tcp_shutdown(xprt);
-	printk("%s: connect returned unhandled error %d\n",
-			__func__, status);
 out_eagain:
 	status = -EAGAIN;
 out:
@@ -1994,7 +2010,7 @@ static struct rpc_xprt_ops xs_tcp_ops = {
 	.buf_free		= rpc_free,
 	.send_request		= xs_tcp_send_request,
 	.set_retrans_timeout	= xprt_set_retrans_timeout_def,
-	.close			= xs_tcp_shutdown,
+	.close			= xs_tcp_close,
 	.destroy		= xs_destroy,
 	.print_stats		= xs_tcp_print_stats,
 };
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index 5d149c1b5f0..9ad4d893a56 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -149,7 +149,8 @@ struct sk_buff *wimax_msg_alloc(struct wimax_dev *wimax_dev,
 	}
 	result = nla_put(skb, WIMAX_GNL_MSG_DATA, size, msg);
 	if (result < 0) {
-		dev_err(dev, "no memory to add payload in attribute\n");
+		dev_err(dev, "no memory to add payload (msg %p size %zu) in "
+			"attribute: %d\n", msg, size, result);
 		goto error_nla_put;
 	}
 	genlmsg_end(skb, genl_msg);
@@ -299,10 +300,10 @@ int wimax_msg(struct wimax_dev *wimax_dev, const char *pipe_name,
 	struct sk_buff *skb;
 
 	skb = wimax_msg_alloc(wimax_dev, pipe_name, buf, size, gfp_flags);
-	if (skb == NULL)
-		goto error_msg_new;
-	result = wimax_msg_send(wimax_dev, skb);
-error_msg_new:
+	if (IS_ERR(skb))
+		result = PTR_ERR(skb);
+	else
+		result = wimax_msg_send(wimax_dev, skb);
 	return result;
 }
 EXPORT_SYMBOL_GPL(wimax_msg);
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index a0ee76b5251..933e1422b09 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -338,8 +338,21 @@ out:
  */
 void wimax_state_change(struct wimax_dev *wimax_dev, enum wimax_st new_state)
 {
+	/*
+	 * A driver cannot take the wimax_dev out of the
+	 * __WIMAX_ST_NULL state unless by calling wimax_dev_add(). If
+	 * the wimax_dev's state is still NULL, we ignore any request
+	 * to change its state because it means it hasn't been yet
+	 * registered.
+	 *
+	 * There is no need to complain about it, as routines that
+	 * call this might be shared from different code paths that
+	 * are called before or after wimax_dev_add() has done its
+	 * job.
+	 */
 	mutex_lock(&wimax_dev->mutex);
-	__wimax_state_change(wimax_dev, new_state);
+	if (wimax_dev->state > __WIMAX_ST_NULL)
+		__wimax_state_change(wimax_dev, new_state);
 	mutex_unlock(&wimax_dev->mutex);
 	return;
 }
@@ -376,7 +389,7 @@ EXPORT_SYMBOL_GPL(wimax_state_get);
 void wimax_dev_init(struct wimax_dev *wimax_dev)
 {
 	INIT_LIST_HEAD(&wimax_dev->id_table_node);
-	__wimax_state_set(wimax_dev, WIMAX_ST_UNINITIALIZED);
+	__wimax_state_set(wimax_dev, __WIMAX_ST_NULL);
 	mutex_init(&wimax_dev->mutex);
 	mutex_init(&wimax_dev->mutex_reset);
 }
diff --git a/net/wireless/core.h b/net/wireless/core.h
index d43daa236ef..0a592e4295f 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -90,7 +90,7 @@ struct cfg80211_internal_bss {
 	struct rb_node rbn;
 	unsigned long ts;
 	struct kref ref;
-	bool hold;
+	bool hold, ies_allocated;
 
 	/* must be last because of priv member */
 	struct cfg80211_bss pub;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 353e1a4ece8..2456e4ee445 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3334,7 +3334,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 	struct sk_buff *msg;
 	void *hdr;
 
-	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
 	if (!msg)
 		return;
 
@@ -3353,7 +3353,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
 	return;
 
  nla_put_failure:
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6327e1617ac..487cb627ddb 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -907,6 +907,7 @@ EXPORT_SYMBOL(freq_reg_info);
 int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
 			 const struct ieee80211_reg_rule **reg_rule)
 {
+	assert_cfg80211_lock();
 	return freq_reg_info_regd(wiphy, center_freq,
 		bandwidth, reg_rule, NULL);
 }
@@ -1133,7 +1134,8 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
 	if (is_world_regdom(cfg80211_regdomain->alpha2) ||
 	    (wiphy->regd && is_world_regdom(wiphy->regd->alpha2)))
 		return true;
-	if (last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+	if (last_request &&
+	    last_request->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
 	    wiphy->custom_regulatory)
 		return true;
 	return false;
@@ -1142,6 +1144,12 @@ static bool reg_is_world_roaming(struct wiphy *wiphy)
 /* Reap the advantages of previously found beacons */
 static void reg_process_beacons(struct wiphy *wiphy)
 {
+	/*
+	 * Means we are just firing up cfg80211, so no beacons would
+	 * have been processed yet.
+	 */
+	if (!last_request)
+		return;
 	if (!reg_is_world_roaming(wiphy))
 		return;
 	wiphy_update_beacon_reg(wiphy);
@@ -1176,6 +1184,8 @@ static void handle_channel_custom(struct wiphy *wiphy,
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_channel *chan;
 
+	assert_cfg80211_lock();
+
 	sband = wiphy->bands[band];
 	BUG_ON(chan_idx >= sband->n_channels);
 	chan = &sband->channels[chan_idx];
@@ -1214,10 +1224,13 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
 				   const struct ieee80211_regdomain *regd)
 {
 	enum ieee80211_band band;
+
+	mutex_lock(&cfg80211_mutex);
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		if (wiphy->bands[band])
 			handle_band_custom(wiphy, band, regd);
 	}
+	mutex_unlock(&cfg80211_mutex);
 }
 EXPORT_SYMBOL(wiphy_apply_custom_regulatory);
 
@@ -1423,7 +1436,7 @@ new_request:
 	return call_crda(last_request->alpha2);
 }
 
-/* This currently only processes user and driver regulatory hints */
+/* This processes *all* regulatory hints */
 static void reg_process_hint(struct regulatory_request *reg_request)
 {
 	int r = 0;
@@ -1538,6 +1551,13 @@ static int regulatory_hint_core(const char *alpha2)
 
 	queue_regulatory_request(request);
 
+	/*
+	 * This ensures last_request is populated once modules
+	 * come swinging in and calling regulatory hints and
+	 * wiphy_apply_custom_regulatory().
+	 */
+	flush_scheduled_work();
+
 	return 0;
 }
 
@@ -2095,11 +2115,12 @@ int set_regdom(const struct ieee80211_regdomain *rd)
 /* Caller must hold cfg80211_mutex */
 void reg_device_remove(struct wiphy *wiphy)
 {
-	struct wiphy *request_wiphy;
+	struct wiphy *request_wiphy = NULL;
 
 	assert_cfg80211_lock();
 
-	request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
+	if (last_request)
+		request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx);
 
 	kfree(wiphy->regd);
 	if (!last_request || !request_wiphy)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2a00e362f5f..1f260c40b6c 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -58,6 +58,10 @@ static void bss_release(struct kref *ref)
 	bss = container_of(ref, struct cfg80211_internal_bss, ref);
 	if (bss->pub.free_priv)
 		bss->pub.free_priv(&bss->pub);
+
+	if (bss->ies_allocated)
+		kfree(bss->pub.information_elements);
+
 	kfree(bss);
 }
 
@@ -360,19 +364,42 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
 
 	found = rb_find_bss(dev, res);
 
-	if (found && overwrite) {
-		list_replace(&found->list, &res->list);
-		rb_replace_node(&found->rbn, &res->rbn,
-				&dev->bss_tree);
-		kref_put(&found->ref, bss_release);
-		found = res;
-	} else if (found) {
+	if (found) {
 		kref_get(&found->ref);
 		found->pub.beacon_interval = res->pub.beacon_interval;
 		found->pub.tsf = res->pub.tsf;
 		found->pub.signal = res->pub.signal;
 		found->pub.capability = res->pub.capability;
 		found->ts = res->ts;
+
+		/* overwrite IEs */
+		if (overwrite) {
+			size_t used = dev->wiphy.bss_priv_size + sizeof(*res);
+			size_t ielen = res->pub.len_information_elements;
+
+			if (ksize(found) >= used + ielen) {
+				memcpy(found->pub.information_elements,
+				       res->pub.information_elements, ielen);
+				found->pub.len_information_elements = ielen;
+			} else {
+				u8 *ies = found->pub.information_elements;
+
+				if (found->ies_allocated) {
+					if (ksize(ies) < ielen)
+						ies = krealloc(ies, ielen,
+							       GFP_ATOMIC);
+				} else
+					ies = kmalloc(ielen, GFP_ATOMIC);
+
+				if (ies) {
+					memcpy(ies, res->pub.information_elements, ielen);
+					found->ies_allocated = true;
+					found->pub.information_elements = ies;
+					found->pub.len_information_elements = ielen;
+				}
+			}
+		}
+
 		kref_put(&res->ref, bss_release);
 	} else {
 		/* this "consumes" the reference */
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d8..0e59f9ae9b8 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
 			err = -EFAULT;
 			goto out;
 		}
+
+		if (cmd == SIOCSIWENCODEEXT) {
+			struct iw_encode_ext *ee = (void *) extra;
+
+			if (iwp->length < sizeof(*ee) + ee->key_len)
+				return -EFAULT;
+		}
 	}
 
 	err = handler(dev, info, (union iwreq_data *) iwp, extra);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 82271720d97..5f1f86565f1 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -794,7 +794,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 {
 	static xfrm_address_t saddr_wildcard = { };
 	struct net *net = xp_net(pol);
-	unsigned int h;
+	unsigned int h, h_wildcard;
 	struct hlist_node *entry;
 	struct xfrm_state *x, *x0, *to_put;
 	int acquire_in_progress = 0;
@@ -819,8 +819,8 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 	if (best)
 		goto found;
 
-	h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
-	hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
+	h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+	hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) {
 		if (x->props.family == family &&
 		    x->props.reqid == tmpl->reqid &&
 		    !(x->props.flags & XFRM_STATE_WILDRECV) &&