20 files changed, 185 insertions, 85 deletions

diff --git a/net/atm/lec.c b/net/atm/lec.c
index e4853b5..4b98f89 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -410,9 +410,11 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
 		priv->lane2_ops = NULL;
 		if (priv->lane_version > 1)
 			priv->lane2_ops = &lane2_ops;
+		rtnl_lock();
 		if (dev_set_mtu(dev, mesg->content.config.mtu))
 			pr_info("%s: change_mtu to %d failed\n",
 				dev->name, mesg->content.config.mtu);
+		rtnl_unlock();
 		priv->is_proxy = mesg->content.config.is_proxy;
 		break;
 	case l_flush_tran_id:
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index b50dabb..faff624 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -589,6 +589,14 @@ EXPORT_SYMBOL(hci_get_route);
 void hci_le_conn_failed(struct hci_conn *conn, u8 status)
 {
 	struct hci_dev *hdev = conn->hdev;
+	struct hci_conn_params *params;
+
+	params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
+					   conn->dst_type);
+	if (params && params->conn) {
+		hci_conn_drop(params->conn);
+		params->conn = NULL;
+	}
 
 	conn->state = BT_CLOSED;
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index c32d361..1d9c29a 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2536,8 +2536,13 @@ static void hci_pend_le_actions_clear(struct hci_dev *hdev)
 {
 	struct hci_conn_params *p;
 
-	list_for_each_entry(p, &hdev->le_conn_params, list)
+	list_for_each_entry(p, &hdev->le_conn_params, list) {
+		if (p->conn) {
+			hci_conn_drop(p->conn);
+			p->conn = NULL;
+		}
 		list_del_init(&p->action);
+	}
 
 	BT_DBG("All LE pending actions cleared");
 }
@@ -2578,8 +2583,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	hci_dev_lock(hdev);
 	hci_inquiry_cache_flush(hdev);
-	hci_conn_hash_flush(hdev);
 	hci_pend_le_actions_clear(hdev);
+	hci_conn_hash_flush(hdev);
 	hci_dev_unlock(hdev);
 
 	hci_notify(hdev, HCI_DEV_DOWN);
@@ -3727,6 +3732,9 @@ void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
 	if (!params)
 		return;
 
+	if (params->conn)
+		hci_conn_drop(params->conn);
+
 	list_del(&params->action);
 	list_del(&params->list);
 	kfree(params);
@@ -3757,6 +3765,8 @@ void hci_conn_params_clear_all(struct hci_dev *hdev)
 	struct hci_conn_params *params, *tmp;
 
 	list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list) {
+		if (params->conn)
+			hci_conn_drop(params->conn);
 		list_del(&params->action);
 		list_del(&params->list);
 		kfree(params);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index be35598..a600082 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -4221,8 +4221,13 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	hci_proto_connect_cfm(conn, ev->status);
 
 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
-	if (params)
+	if (params) {
 		list_del_init(&params->action);
+		if (params->conn) {
+			hci_conn_drop(params->conn);
+			params->conn = NULL;
+		}
+	}
 
 unlock:
 	hci_update_background_scan(hdev);
@@ -4304,8 +4309,16 @@ static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
 
 	conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
 			      HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
-	if (!IS_ERR(conn))
+	if (!IS_ERR(conn)) {
+		/* Store the pointer since we don't really have any
+		 * other owner of the object besides the params that
+		 * triggered it. This way we can abort the connection if
+		 * the parameters get removed and keep the reference
+		 * count consistent once the connection is established.
+		 */
+		params->conn = conn;
 		return;
+	}
 
 	switch (PTR_ERR(conn)) {
 	case -EBUSY:
diff --git a/net/core/dev.c b/net/core/dev.c
index b65a505..ab9a165 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2587,13 +2587,19 @@ netdev_features_t netif_skb_features(struct sk_buff *skb)
 		return harmonize_features(skb, features);
 	}
 
-	features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
-					       NETIF_F_HW_VLAN_STAG_TX);
+	features = netdev_intersect_features(features,
+					     skb->dev->vlan_features |
+					     NETIF_F_HW_VLAN_CTAG_TX |
+					     NETIF_F_HW_VLAN_STAG_TX);
 
 	if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
-		features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
-				NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
-				NETIF_F_HW_VLAN_STAG_TX;
+		features = netdev_intersect_features(features,
+						     NETIF_F_SG |
+						     NETIF_F_HIGHDMA |
+						     NETIF_F_FRAGLIST |
+						     NETIF_F_GEN_CSUM |
+						     NETIF_F_HW_VLAN_CTAG_TX |
+						     NETIF_F_HW_VLAN_STAG_TX);
 
 	return harmonize_features(skb, features);
 }
@@ -4889,7 +4895,8 @@ static void __netdev_adjacent_dev_remove(struct net_device *dev,
 	if (adj->master)
 		sysfs_remove_link(&(dev->dev.kobj), "master");
 
-	if (netdev_adjacent_is_neigh_list(dev, dev_list))
+	if (netdev_adjacent_is_neigh_list(dev, dev_list) &&
+	    net_eq(dev_net(dev),dev_net(adj_dev)))
 		netdev_adjacent_sysfs_del(dev, adj_dev->name, dev_list);
 
 	list_del_rcu(&adj->list);
@@ -5159,11 +5166,65 @@ void netdev_upper_dev_unlink(struct net_device *dev,
 }
 EXPORT_SYMBOL(netdev_upper_dev_unlink);
 
+void netdev_adjacent_add_links(struct net_device *dev)
+{
+	struct netdev_adjacent *iter;
+
+	struct net *net = dev_net(dev);
+
+	list_for_each_entry(iter, &dev->adj_list.upper, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
+		netdev_adjacent_sysfs_add(iter->dev, dev,
+					  &iter->dev->adj_list.lower);
+		netdev_adjacent_sysfs_add(dev, iter->dev,
+					  &dev->adj_list.upper);
+	}
+
+	list_for_each_entry(iter, &dev->adj_list.lower, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
+		netdev_adjacent_sysfs_add(iter->dev, dev,
+					  &iter->dev->adj_list.upper);
+		netdev_adjacent_sysfs_add(dev, iter->dev,
+					  &dev->adj_list.lower);
+	}
+}
+
+void netdev_adjacent_del_links(struct net_device *dev)
+{
+	struct netdev_adjacent *iter;
+
+	struct net *net = dev_net(dev);
+
+	list_for_each_entry(iter, &dev->adj_list.upper, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
+		netdev_adjacent_sysfs_del(iter->dev, dev->name,
+					  &iter->dev->adj_list.lower);
+		netdev_adjacent_sysfs_del(dev, iter->dev->name,
+					  &dev->adj_list.upper);
+	}
+
+	list_for_each_entry(iter, &dev->adj_list.lower, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
+		netdev_adjacent_sysfs_del(iter->dev, dev->name,
+					  &iter->dev->adj_list.upper);
+		netdev_adjacent_sysfs_del(dev, iter->dev->name,
+					  &dev->adj_list.lower);
+	}
+}
+
 void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
 {
 	struct netdev_adjacent *iter;
 
+	struct net *net = dev_net(dev);
+
 	list_for_each_entry(iter, &dev->adj_list.upper, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
 		netdev_adjacent_sysfs_del(iter->dev, oldname,
 					  &iter->dev->adj_list.lower);
 		netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -5171,6 +5232,8 @@ void netdev_adjacent_rename_links(struct net_device *dev, char *oldname)
 	}
 
 	list_for_each_entry(iter, &dev->adj_list.lower, list) {
+		if (!net_eq(net,dev_net(iter->dev)))
+			continue;
 		netdev_adjacent_sysfs_del(iter->dev, oldname,
 					  &iter->dev->adj_list.upper);
 		netdev_adjacent_sysfs_add(iter->dev, dev,
@@ -6773,6 +6836,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 
 	/* Send a netdev-removed uevent to the old namespace */
 	kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE);
+	netdev_adjacent_del_links(dev);
 
 	/* Actually switch the network namespace */
 	dev_net_set(dev, net);
@@ -6787,6 +6851,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 
 	/* Send a netdev-add uevent to the new namespace */
 	kobject_uevent(&dev->dev.kobj, KOBJ_ADD);
+	netdev_adjacent_add_links(dev);
 
 	/* Fixup kobjects */
 	err = device_rename(&dev->dev, dev->name);
diff --git a/net/core/sock.c b/net/core/sock.c
index 2714811..2987057 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1822,6 +1822,9 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
 							   order);
 					if (page)
 						goto fill_page;
+					/* Do not retry other high order allocations */
+					order = 1;
+					max_page_order = 0;
 				}
 				order--;
 			}
@@ -1869,10 +1872,8 @@ EXPORT_SYMBOL(sock_alloc_send_skb);
  * no guarantee that allocations succeed. Therefore, @sz MUST be
  * less or equal than PAGE_SIZE.
  */
-bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio)
+bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)
 {
-	int order;
-
 	if (pfrag->page) {
 		if (atomic_read(&pfrag->page->_count) == 1) {
 			pfrag->offset = 0;
@@ -1883,20 +1884,21 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio)
 		put_page(pfrag->page);
 	}
 
-	order = SKB_FRAG_PAGE_ORDER;
-	do {
-		gfp_t gfp = prio;
-
-		if (order)
-			gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY;
-		pfrag->page = alloc_pages(gfp, order);
+	pfrag->offset = 0;
+	if (SKB_FRAG_PAGE_ORDER) {
+		pfrag->page = alloc_pages(gfp | __GFP_COMP |
+					  __GFP_NOWARN | __GFP_NORETRY,
+					  SKB_FRAG_PAGE_ORDER);
 		if (likely(pfrag->page)) {
-			pfrag->offset = 0;
-			pfrag->size = PAGE_SIZE << order;
+			pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;
 			return true;
 		}
-	} while (--order >= 0);
-
+	}
+	pfrag->page = alloc_page(gfp);
+	if (likely(pfrag->page)) {
+		pfrag->size = PAGE_SIZE;
+		return true;
+	}
 	return false;
 }
 EXPORT_SYMBOL(skb_page_frag_refill);
diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c
index 016b77e..6591d27 100644
--- a/net/ieee802154/6lowpan_rtnl.c
+++ b/net/ieee802154/6lowpan_rtnl.c
@@ -246,7 +246,7 @@ lowpan_alloc_frag(struct sk_buff *skb, int size,
 			return ERR_PTR(-rc);
 		}
 	} else {
-		frag = ERR_PTR(ENOMEM);
+		frag = ERR_PTR(-ENOMEM);
 	}
 
 	return frag;
@@ -437,7 +437,7 @@ static void lowpan_setup(struct net_device *dev)
 	/* Frame Control + Sequence Number + Address fields + Security Header */
 	dev->hard_header_len	= 2 + 1 + 20 + 14;
 	dev->needed_tailroom	= 2; /* FCS */
-	dev->mtu		= 1281;
+	dev->mtu		= IPV6_MIN_MTU;
 	dev->tx_queue_len	= 0;
 	dev->flags		= IFF_BROADCAST | IFF_MULTICAST;
 	dev->watchdog_timeo	= 0;
diff --git a/net/ieee802154/reassembly.c b/net/ieee802154/reassembly.c
index ffec6ce..32755cb 100644
--- a/net/ieee802154/reassembly.c
+++ b/net/ieee802154/reassembly.c
@@ -355,8 +355,6 @@ int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type)
 	struct net *net = dev_net(skb->dev);
 	struct lowpan_frag_info *frag_info = lowpan_cb(skb);
 	struct ieee802154_addr source, dest;
-	struct netns_ieee802154_lowpan *ieee802154_lowpan =
-		net_ieee802154_lowpan(net);
 	int err;
 
 	source = mac_cb(skb)->source;
@@ -366,8 +364,10 @@ int lowpan_frag_rcv(struct sk_buff *skb, const u8 frag_type)
 	if (err < 0)
 		goto err;
 
-	if (frag_info->d_size > ieee802154_lowpan->max_dsize)
+	if (frag_info->d_size > IPV6_MIN_MTU) {
+		net_warn_ratelimited("lowpan_frag_rcv: datagram size exceeds MTU\n");
 		goto err;
+	}
 
 	fq = fq_find(net, frag_info, &source, &dest);
 	if (fq != NULL) {
@@ -415,13 +415,6 @@ static struct ctl_table lowpan_frags_ns_ctl_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
 	},
-	{
-		.procname	= "6lowpanfrag_max_datagram_size",
-		.data		= &init_net.ieee802154_lowpan.max_dsize,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec
-	},
 	{ }
 };
 
@@ -458,7 +451,6 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net)
 		table[1].data = &ieee802154_lowpan->frags.low_thresh;
 		table[1].extra2 = &ieee802154_lowpan->frags.high_thresh;
 		table[2].data = &ieee802154_lowpan->frags.timeout;
-		table[3].data = &ieee802154_lowpan->max_dsize;
 
 		/* Don't export sysctls to unprivileged users */
 		if (net->user_ns != &init_user_ns)
@@ -533,7 +525,6 @@ static int __net_init lowpan_frags_init_net(struct net *net)
 	ieee802154_lowpan->frags.high_thresh = IPV6_FRAG_HIGH_THRESH;
 	ieee802154_lowpan->frags.low_thresh = IPV6_FRAG_LOW_THRESH;
 	ieee802154_lowpan->frags.timeout = IPV6_FRAG_TIMEOUT;
-	ieee802154_lowpan->max_dsize = 0xFFFF;
 
 	inet_frags_init_net(&ieee802154_lowpan->frags);
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index cb4459b..76b7f5e 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -643,7 +643,7 @@ static int fib6_commit_metrics(struct dst_entry *dst,
 	if (dst->flags & DST_HOST) {
 		mp = dst_metrics_write_ptr(dst);
 	} else {
-		mp = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
+		mp = kzalloc(sizeof(u32) * RTAX_MAX, GFP_ATOMIC);
 		if (!mp)
 			return -ENOMEM;
 		dst_init_metrics(dst, mp, 0);
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 6d537f0..0375009 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1444,7 +1444,7 @@ ieee80211_vif_use_reserved_switch(struct ieee80211_local *local)
 
 			list_del(&sdata->reserved_chanctx_list);
 			list_move(&sdata->assigned_chanctx_list,
-				  &new_ctx->assigned_vifs);
+				  &ctx->assigned_vifs);
 			sdata->reserved_chanctx = NULL;
 
 			ieee80211_vif_chanctx_reservation_complete(sdata);
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 3c3069f..5478388 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -462,7 +462,10 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb,
 			skb->pkt_type = PACKET_OTHERHOST;
 		break;
 	default:
-		break;
+		spin_unlock_bh(&sdata->mib_lock);
+		pr_debug("invalid dest mode\n");
+		kfree_skb(skb);
+		return NET_RX_DROP;
 	}
 
 	spin_unlock_bh(&sdata->mib_lock);
@@ -573,6 +576,7 @@ void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb)
 	ret = mac802154_parse_frame_start(skb, &hdr);
 	if (ret) {
 		pr_debug("got invalid frame\n");
+		kfree_skb(skb);
 		return;
 	}
 
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index fe5cda0..5231652 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -42,6 +42,9 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
 
 static int make_writable(struct sk_buff *skb, int write_len)
 {
+	if (!pskb_may_pull(skb, write_len))
+		return -ENOMEM;
+
 	if (!skb_cloned(skb) || skb_clone_writable(skb, write_len))
 		return 0;
 
@@ -70,6 +73,8 @@ static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci)
 
 	vlan_set_encap_proto(skb, vhdr);
 	skb->mac_header += VLAN_HLEN;
+	if (skb_network_offset(skb) < ETH_HLEN)
+		skb_set_network_header(skb, ETH_HLEN);
 	skb_reset_mac_len(skb);
 
 	return 0;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 8d9f804..93896d2 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -632,6 +632,7 @@ static void init_prb_bdqc(struct packet_sock *po,
 	p1->tov_in_jiffies = msecs_to_jiffies(p1->retire_blk_tov);
 	p1->blk_sizeof_priv = req_u->req3.tp_sizeof_priv;
 
+	p1->max_frame_len = p1->kblk_size - BLK_PLUS_PRIV(p1->blk_sizeof_priv);
 	prb_init_ft_ops(p1, req_u);
 	prb_setup_retire_blk_timer(po, tx_ring);
 	prb_open_block(p1, pbd);
@@ -1942,6 +1943,18 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 			if ((int)snaplen < 0)
 				snaplen = 0;
 		}
+	} else if (unlikely(macoff + snaplen >
+			    GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len)) {
+		u32 nval;
+
+		nval = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len - macoff;
+		pr_err_once("tpacket_rcv: packet too big, clamped from %u to %u. macoff=%u\n",
+			    snaplen, nval, macoff);
+		snaplen = nval;
+		if (unlikely((int)snaplen < 0)) {
+			snaplen = 0;
+			macoff = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len;
+		}
 	}
 	spin_lock(&sk->sk_receive_queue.lock);
 	h.raw = packet_current_rx_frame(po, skb,
@@ -3783,6 +3796,10 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
 			goto out;
 		if (unlikely(req->tp_block_size & (PAGE_SIZE - 1)))
 			goto out;
+		if (po->tp_version >= TPACKET_V3 &&
+		    (int)(req->tp_block_size -
+			  BLK_PLUS_PRIV(req_u->req3.tp_sizeof_priv)) <= 0)
+			goto out;
 		if (unlikely(req->tp_frame_size < po->tp_hdrlen +
 					po->tp_reserve))
 			goto out;
diff --git a/net/packet/internal.h b/net/packet/internal.h
index eb9580a..cdddf6a 100644
--- a/net/packet/internal.h
+++ b/net/packet/internal.h
@@ -29,6 +29,7 @@ struct tpacket_kbdq_core {
 	char		*pkblk_start;
 	char		*pkblk_end;
 	int		kblk_size;
+	unsigned int	max_frame_len;
 	unsigned int	knum_blocks;
 	uint64_t	knxt_seq_num;
 	char		*prev;
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 14c98e4..02a86a2 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -158,6 +158,7 @@ static const struct acpi_device_id rfkill_acpi_match[] = {
 	{ "BCM2E1A", RFKILL_TYPE_BLUETOOTH },
 	{ "BCM2E39", RFKILL_TYPE_BLUETOOTH },
 	{ "BCM2E3D", RFKILL_TYPE_BLUETOOTH },
+	{ "BCM2E64", RFKILL_TYPE_BLUETOOTH },
 	{ "BCM4752", RFKILL_TYPE_GPS },
 	{ "LNV4752", RFKILL_TYPE_GPS },
 	{ },
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index ead5264..762a04b 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -159,7 +159,6 @@ struct cbq_sched_data {
 	struct cbq_class	*tx_borrowed;
 	int			tx_len;
 	psched_time_t		now;		/* Cached timestamp */
-	psched_time_t		now_rt;		/* Cached real time */
 	unsigned int		pmask;
 
 	struct hrtimer		delay_timer;
@@ -353,12 +352,7 @@ cbq_mark_toplevel(struct cbq_sched_data *q, struct cbq_class *cl)
 	int toplevel = q->toplevel;
 
 	if (toplevel > cl->level && !(qdisc_is_throttled(cl->q))) {
-		psched_time_t now;
-		psched_tdiff_t incr;
-
-		now = psched_get_time();
-		incr = now - q->now_rt;
-		now = q->now + incr;
+		psched_time_t now = psched_get_time();
 
 		do {
 			if (cl->undertime < now) {
@@ -700,8 +694,13 @@ cbq_update(struct cbq_sched_data *q)
 	struct cbq_class *this = q->tx_class;
 	struct cbq_class *cl = this;
 	int len = q->tx_len;
+	psched_time_t now;
 
 	q->tx_class = NULL;
+	/* Time integrator. We calculate EOS time
+	 * by adding expected packet transmission time.
+	 */
+	now = q->now + L2T(&q->link, len);
 
 	for ( ; cl; cl = cl->share) {
 		long avgidle = cl->avgidle;
@@ -717,7 +716,7 @@ cbq_update(struct cbq_sched_data *q)
 		 *	idle = (now - last) - last_pktlen/rate
 		 */
 
-		idle = q->now - cl->last;
+		idle = now - cl->last;
 		if ((unsigned long)idle > 128*1024*1024) {
 			avgidle = cl->maxidle;
 		} else {
@@ -761,7 +760,7 @@ cbq_update(struct cbq_sched_data *q)
 			idle -= L2T(&q->link, len);
 			idle += L2T(cl, len);
 
-			cl->undertime = q->now + idle;
+			cl->undertime = now + idle;
 		} else {
 			/* Underlimit */
 
@@ -771,7 +770,8 @@ cbq_update(struct cbq_sched_data *q)
 			else
 				cl->avgidle = avgidle;
 		}
-		cl->last = q->now;
+		if ((s64)(now - cl->last) > 0)
+			cl->last = now;
 	}
 
 	cbq_update_toplevel(q, this, q->tx_borrowed);
@@ -943,31 +943,13 @@ cbq_dequeue(struct Qdisc *sch)
 	struct sk_buff *skb;
 	struct cbq_sched_data *q = qdisc_priv(sch);
 	psched_time_t now;
-	psched_tdiff_t incr;
 
 	now = psched_get_time();
-	incr = now - q->now_rt;
-
-	if (q->tx_class) {
-		psched_tdiff_t incr2;
-		/* Time integrator. We calculate EOS time
-		 * by adding expected packet transmission time.
-		 * If real time is greater, we warp artificial clock,
-		 * so that:
-		 *
-		 * cbq_time = max(real_time, work);
-		 */
-		incr2 = L2T(&q->link, q->tx_len);
-		q->now += incr2;
+
+	if (q->tx_class)
 		cbq_update(q);
-		if ((incr -= incr2) < 0)
-			incr = 0;
-		q->now += incr;
-	} else {
-		if (now > q->now)
-			q->now = now;
-	}
-	q->now_rt = now;
+
+	q->now = now;
 
 	for (;;) {
 		q->wd_expires = 0;
@@ -1223,7 +1205,6 @@ cbq_reset(struct Qdisc *sch)
 	hrtimer_cancel(&q->delay_timer);
 	q->toplevel = TC_CBQ_MAXLEVEL;
 	q->now = psched_get_time();
-	q->now_rt = q->now;
 
 	for (prio = 0; prio <= TC_CBQ_MAXPRIO; prio++)
 		q->active[prio] = NULL;
@@ -1407,7 +1388,6 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
 	q->delay_timer.function = cbq_undelay;
 	q->toplevel = TC_CBQ_MAXLEVEL;
 	q->now = psched_get_time();
-	q->now_rt = q->now;
 
 	cbq_link_class(&q->link);
 
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 06a9ee6..a88b852 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -813,6 +813,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
 		else {
 			dst_release(transport->dst);
 			transport->dst = NULL;
+			ulp_notify = false;
 		}
 
 		spc_state = SCTP_ADDR_UNREACHABLE;
@@ -1244,7 +1245,7 @@ static struct sctp_transport *sctp_trans_elect_best(struct sctp_transport *curr,
 {
 	u8 score_curr, score_best;
 
-	if (best == NULL)
+	if (best == NULL || curr == best)
 		return curr;
 
 	score_curr = sctp_trans_score(curr);
@@ -1355,14 +1356,11 @@ static void sctp_select_active_and_retran_path(struct sctp_association *asoc)
 		trans_sec = trans_pri;
 
 	/* If we failed to find a usable transport, just camp on the
-	 * primary or retran, even if they are inactive, if possible
-	 * pick a PF iff it's the better choice.
+	 * active or pick a PF iff it's the better choice.
 	 */
 	if (trans_pri == NULL) {
-		trans_pri = sctp_trans_elect_best(asoc->peer.primary_path,
-						  asoc->peer.retran_path);
-		trans_pri = sctp_trans_elect_best(trans_pri, trans_pf);
-		trans_sec = asoc->peer.primary_path;
+		trans_pri = sctp_trans_elect_best(asoc->peer.active_path, trans_pf);
+		trans_sec = trans_pri;
 	}
 
 	/* Set the active and retran transports. */
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index eb71d49..634a2ab 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4243,7 +4243,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
 	transport = asoc->peer.primary_path;
 
 	status.sstat_assoc_id = sctp_assoc2id(asoc);
-	status.sstat_state = asoc->state;
+	status.sstat_state = sctp_assoc_to_state(asoc);
 	status.sstat_rwnd =  asoc->peer.rwnd;
 	status.sstat_unackdata = asoc->unack_data;
 
diff --git a/net/tipc/port.h b/net/tipc/port.h
index 3f93454..3087da3 100644
--- a/net/tipc/port.h
+++ b/net/tipc/port.h
@@ -179,9 +179,12 @@ static inline int tipc_port_importance(struct tipc_port *port)
 	return msg_importance(&port->phdr);
 }
 
-static inline void tipc_port_set_importance(struct tipc_port *port, int imp)
+static inline int tipc_port_set_importance(struct tipc_port *port, int imp)
 {
+	if (imp > TIPC_CRITICAL_IMPORTANCE)
+		return -EINVAL;
 	msg_set_importance(&port->phdr, (u32)imp);
+	return 0;
 }
 
 #endif
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 7d423ee..ff8c811 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1973,7 +1973,7 @@ static int tipc_setsockopt(struct socket *sock, int lvl, int opt,
 
 	switch (opt) {
 	case TIPC_IMPORTANCE:
-		tipc_port_set_importance(port, value);
+		res = tipc_port_set_importance(port, value);
 		break;
 	case TIPC_SRC_DROPPABLE:
 		if (sock->type != SOCK_STREAM)