Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (89 commits)
  bonding: documentation and code cleanup for resend_igmp
  bonding: prevent deadlock on slave store with alb mode (v3)
  net: hold rtnl again in dump callbacks
  Add Fujitsu 1000base-SX PCI ID to tg3
  bnx2x: protect sequence increment with mutex
  sch_sfq: fix peek() implementation
  isdn: netjet - blacklist Digium TDM400P
  via-velocity: don't annotate MAC registers as packed
  xen: netfront: hold RTNL when updating features.
  sctp: fix memory leak of the ASCONF queue when free asoc
  net: make dev_disable_lro use physical device if passed a vlan dev (v2)
  net: move is_vlan_dev into public header file (v2)
  bug.h: Fix build with CONFIG_PRINTK disabled.
  wireless: fix fatal kernel-doc error + warning in mac80211.h
  wireless: fix cfg80211.h new kernel-doc warnings
  iwlagn: dbg_fixed_rate only used when CONFIG_MAC80211_DEBUGFS enabled
  dst: catch uninitialized metrics
  be2net: hash key for rss-config cmd not set
  bridge: initialize fake_rtable metrics
  net: fix __dst_destroy_metrics_generic()
  ...

Fix up trivial conflicts in drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c

39 files changed, 496 insertions, 158 deletions

diff --git a/net/802/psnap.c b/net/802/psnap.c
index 21cde8fd579..db6baf7cf6e 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -147,7 +147,6 @@ struct datalink_proto *register_snap_client(const unsigned char *desc,
 out:
 	spin_unlock_bh(&snap_lock);
 
-	synchronize_net();
 	return proto;
 }
 
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index c3408def8a1..9da07e30d1a 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -118,11 +118,6 @@ extern void vlan_netlink_fini(void);
 
 extern struct rtnl_link_ops vlan_link_ops;
 
-static inline int is_vlan_dev(struct net_device *dev)
-{
-	return dev->priv_flags & IFF_802_1Q_VLAN;
-}
-
 extern int vlan_net_id;
 
 struct proc_dir_entry;
diff --git a/net/atm/proc.c b/net/atm/proc.c
index f85da0779e5..be3afdefec5 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -191,7 +191,7 @@ static void vcc_info(struct seq_file *seq, struct atm_vcc *vcc)
 {
 	struct sock *sk = sk_atm(vcc);
 
-	seq_printf(seq, "%p ", vcc);
+	seq_printf(seq, "%pK ", vcc);
 	if (!vcc->dev)
 		seq_printf(seq, "Unassigned    ");
 	else
@@ -218,7 +218,7 @@ static void svc_info(struct seq_file *seq, struct atm_vcc *vcc)
 {
 	if (!vcc->dev)
 		seq_printf(seq, sizeof(void *) == 4 ?
-			   "N/A@%p%10s" : "N/A@%p%2s", vcc, "");
+			   "N/A@%pK%10s" : "N/A@%pK%2s", vcc, "");
 	else
 		seq_printf(seq, "%3d %3d %5d         ",
 			   vcc->dev->number, vcc->vpi, vcc->vci);
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index e1f5ec75e91..3fa123185e8 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -117,6 +117,10 @@ static struct dst_ops fake_dst_ops = {
  * ipt_REJECT needs it.  Future netfilter modules might
  * require us to fill additional fields.
  */
+static const u32 br_dst_default_metrics[RTAX_MAX] = {
+	[RTAX_MTU - 1] = 1500,
+};
+
 void br_netfilter_rtable_init(struct net_bridge *br)
 {
 	struct rtable *rt = &br->fake_rtable;
@@ -124,7 +128,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
 	atomic_set(&rt->dst.__refcnt, 1);
 	rt->dst.dev = br->dev;
 	rt->dst.path = &rt->dst;
-	dst_metric_set(&rt->dst, RTAX_MTU, 1500);
+	dst_init_metrics(&rt->dst, br_dst_default_metrics, true);
 	rt->dst.flags	= DST_NOXFRM;
 	rt->dst.ops = &fake_dst_ops;
 }
diff --git a/net/can/bcm.c b/net/can/bcm.c
index cced806098a..184a6572b67 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -165,9 +165,9 @@ static int bcm_proc_show(struct seq_file *m, void *v)
 	struct bcm_sock *bo = bcm_sk(sk);
 	struct bcm_op *op;
 
-	seq_printf(m, ">>> socket %p", sk->sk_socket);
-	seq_printf(m, " / sk %p", sk);
-	seq_printf(m, " / bo %p", bo);
+	seq_printf(m, ">>> socket %pK", sk->sk_socket);
+	seq_printf(m, " / sk %pK", sk);
+	seq_printf(m, " / bo %pK", bo);
 	seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs);
 	seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex));
 	seq_printf(m, " <<<\n");
diff --git a/net/core/dev.c b/net/core/dev.c
index bcb05cb799c..c7e305d13b7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1308,6 +1308,13 @@ void dev_disable_lro(struct net_device *dev)
 {
 	u32 flags;
 
+	/*
+	 * If we're trying to disable lro on a vlan device
+	 * use the underlying physical device instead
+	 */
+	if (is_vlan_dev(dev))
+		dev = vlan_dev_real_dev(dev);
+
 	if (dev->ethtool_ops && dev->ethtool_ops->get_flags)
 		flags = dev->ethtool_ops->get_flags(dev);
 	else
@@ -5954,7 +5961,10 @@ EXPORT_SYMBOL(free_netdev);
 void synchronize_net(void)
 {
 	might_sleep();
-	synchronize_rcu();
+	if (rtnl_is_locked())
+		synchronize_rcu_expedited();
+	else
+		synchronize_rcu();
 }
 EXPORT_SYMBOL(synchronize_net);
 
diff --git a/net/core/dst.c b/net/core/dst.c
index 81a4fa1c95e..9ccca038444 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -315,7 +315,7 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old)
 {
 	unsigned long prev, new;
 
-	new = (unsigned long) dst_default_metrics;
+	new = ((unsigned long) dst_default_metrics) | DST_METRICS_READ_ONLY;
 	prev = cmpxchg(&dst->_metrics, old, new);
 	if (prev == old)
 		kfree(__DST_METRICS_PTR(old));
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 3911586e12e..008dc70b064 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -602,6 +602,7 @@ static int dump_rules(struct sk_buff *skb, struct netlink_callback *cb,
 skip:
 		idx++;
 	}
+	rcu_read_unlock();
 	cb->args[1] = idx;
 	rules_ops_put(ops);
 
diff --git a/net/core/filter.c b/net/core/filter.c
index 0eb8c4466ea..0e3622f1dcb 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -350,7 +350,9 @@ load_b:
 			continue;
 		}
 		default:
-			WARN_ON(1);
+			WARN_RATELIMIT(1, "Unknown code:%u jt:%u tf:%u k:%u\n",
+				       fentry->code, fentry->jt,
+				       fentry->jf, fentry->k);
 			return 0;
 		}
 	}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d1644e317e7..2d56cb9b0b9 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -850,6 +850,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
 	struct nlattr *attr, *af_spec;
 	struct rtnl_af_ops *af_ops;
 
+	ASSERT_RTNL();
 	nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifm), flags);
 	if (nlh == NULL)
 		return -EMSGSIZE;
@@ -1876,6 +1877,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 	int min_len;
 	int family;
 	int type;
+	int err;
 
 	type = nlh->nlmsg_type;
 	if (type > RTM_MAX)
@@ -1902,8 +1904,11 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 		if (dumpit == NULL)
 			return -EOPNOTSUPP;
 
+		__rtnl_unlock();
 		rtnl = net->rtnl;
-		return netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+		err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+		rtnl_lock();
+		return err;
 	}
 
 	memset(rta_buf, 0, (rtattr_max * sizeof(struct rtattr *)));
@@ -1975,7 +1980,7 @@ static int __net_init rtnetlink_net_init(struct net *net)
 {
 	struct sock *sk;
 	sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX,
-				   rtnetlink_rcv, NULL, THIS_MODULE);
+				   rtnetlink_rcv, &rtnl_mutex, THIS_MODULE);
 	if (!sk)
 		return -ENOMEM;
 	net->rtnl = sk;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 672e476c8c8..f1d27f6c935 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1155,20 +1155,18 @@ static void igmp_group_dropped(struct ip_mc_list *im)
 
 	if (!in_dev->dead) {
 		if (IGMP_V1_SEEN(in_dev))
-			goto done;
+			return;
 		if (IGMP_V2_SEEN(in_dev)) {
 			if (reporter)
 				igmp_send_report(in_dev, im, IGMP_HOST_LEAVE_MESSAGE);
-			goto done;
+			return;
 		}
 		/* IGMPv3 */
 		igmpv3_add_delrec(in_dev, im);
 
 		igmp_ifc_event(in_dev);
 	}
-done:
 #endif
-	ip_mc_clear_src(im);
 }
 
 static void igmp_group_added(struct ip_mc_list *im)
@@ -1305,6 +1303,7 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
 				*ip = i->next_rcu;
 				in_dev->mc_count--;
 				igmp_group_dropped(i);
+				ip_mc_clear_src(i);
 
 				if (!in_dev->dead)
 					ip_rt_multicast_event(in_dev);
@@ -1414,7 +1413,8 @@ void ip_mc_destroy_dev(struct in_device *in_dev)
 		in_dev->mc_list = i->next_rcu;
 		in_dev->mc_count--;
 
-		igmp_group_dropped(i);
+		/* We've dropped the groups in ip_mc_down already */
+		ip_mc_clear_src(i);
 		ip_ma_put(i);
 	}
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 1f3bb11490c..9aaa67165f4 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -137,9 +137,6 @@ static void ping_v4_unhash(struct sock *sk)
 	struct inet_sock *isk = inet_sk(sk);
 	pr_debug("ping_v4_unhash(isk=%p,isk->num=%u)\n", isk, isk->inet_num);
 	if (sk_hashed(sk)) {
-		struct hlist_nulls_head *hslot;
-
-		hslot = ping_hashslot(&ping_table, sock_net(sk), isk->inet_num);
 		write_lock_bh(&ping_table.lock);
 		hlist_nulls_del(&sk->sk_nulls_node);
 		sock_put(sk);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 11e1780455f..c9893d43242 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -979,7 +979,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 	      srcp  = inet->inet_num;
 
 	seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
 		i, src, srcp, dest, destp, sp->sk_state,
 		sk_wmem_alloc_get(sp),
 		sk_rmem_alloc_get(sp),
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3c8d9b6f1ea..a7d6671e33b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2371,7 +2371,7 @@ static void get_openreq4(struct sock *sk, struct request_sock *req,
 	int ttd = req->expires - jiffies;
 
 	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
 		i,
 		ireq->loc_addr,
 		ntohs(inet_sk(sk)->inet_sport),
@@ -2426,7 +2426,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
 		rx_queue = max_t(int, tp->rcv_nxt - tp->copied_seq, 0);
 
 	seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
-			"%08X %5d %8d %lu %d %p %lu %lu %u %u %d%n",
+			"%08X %5d %8d %lu %d %pK %lu %lu %u %u %d%n",
 		i, src, srcp, dest, destp, sk->sk_state,
 		tp->write_seq - tp->snd_una,
 		rx_queue,
@@ -2461,7 +2461,7 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw,
 	srcp  = ntohs(tw->tw_sport);
 
 	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n",
 		i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
 		3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
 		atomic_read(&tw->tw_refcnt), tw, len);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 599374f65c7..abca870d8ff 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2090,7 +2090,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
 	__u16 srcp	  = ntohs(inet->inet_sport);
 
 	seq_printf(f, "%5d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d%n",
 		bucket, src, srcp, dest, destp, sp->sk_state,
 		sk_wmem_alloc_get(sp),
 		sk_rmem_alloc_get(sp),
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ae64984f81a..cc7313b8f7e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1240,7 +1240,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 	srcp  = inet_sk(sp)->inet_num;
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
 		   i,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 868366470b4..d1fd28711ba 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2036,7 +2036,7 @@ static void get_openreq6(struct seq_file *seq,
 
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
 		   i,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3],
@@ -2087,7 +2087,7 @@ static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
 
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %lu %lu %u %u %d\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %lu %lu %u %u %d\n",
 		   i,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
@@ -2129,7 +2129,7 @@ static void get_timewait6_sock(struct seq_file *seq,
 
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK\n",
 		   i,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index fc0c42a88e5..41f8c9c08db 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1391,7 +1391,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 	srcp  = ntohs(inet->inet_sport);
 	seq_printf(seq,
 		   "%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %pK %d\n",
 		   bucket,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index a6770a04e3b..4fe1db12d2a 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -241,7 +241,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
 	__be32 spi;
 
 	spi = xfrm6_tunnel_spi_lookup(net, (const xfrm_address_t *)&iph->saddr);
-	return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0;
+	return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi);
 }
 
 static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
diff --git a/net/key/af_key.c b/net/key/af_key.c
index d62401c2568..8f92cf8116e 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3656,7 +3656,7 @@ static int pfkey_seq_show(struct seq_file *f, void *v)
 	if (v == SEQ_START_TOKEN)
 		seq_printf(f ,"sk       RefCnt Rmem   Wmem   User   Inode\n");
 	else
-		seq_printf(f ,"%p %-6d %-6u %-6u %-6u %-6lu\n",
+		seq_printf(f, "%pK %-6d %-6u %-6u %-6u %-6lu\n",
 			       s,
 			       atomic_read(&s->sk_refcnt),
 			       sk_rmem_alloc_get(s),
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7dfbe71dc63..49d4f869e0b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -384,11 +384,11 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 	int i;
 	enum nl80211_channel_type orig_ct;
 
+	clear_bit(SDATA_STATE_RUNNING, &sdata->state);
+
 	if (local->scan_sdata == sdata)
 		ieee80211_scan_cancel(local);
 
-	clear_bit(SDATA_STATE_RUNNING, &sdata->state);
-
 	/*
 	 * Stop TX on this interface first.
 	 */
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0d7b08db8e5..866f269183c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -752,11 +752,25 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
 	hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
 
-	/* mac80211 doesn't support more than 1 channel */
-	for (i = 0; i < hw->wiphy->n_iface_combinations; i++)
-		if (hw->wiphy->iface_combinations[i].num_different_channels > 1)
+	/*
+	 * mac80211 doesn't support more than 1 channel, and also not more
+	 * than one IBSS interface
+	 */
+	for (i = 0; i < hw->wiphy->n_iface_combinations; i++) {
+		const struct ieee80211_iface_combination *c;
+		int j;
+
+		c = &hw->wiphy->iface_combinations[i];
+
+		if (c->num_different_channels > 1)
 			return -EINVAL;
 
+		for (j = 0; j < c->n_limits; j++)
+			if ((c->limits[j].types & BIT(NL80211_IFTYPE_ADHOC)) &&
+			    c->limits[j].max > 1)
+				return -EINVAL;
+	}
+
 #ifndef CONFIG_MAC80211_MESH
 	/* mesh depends on Kconfig, but drivers should set it if they want */
 	local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT);
@@ -1076,6 +1090,8 @@ static void __exit ieee80211_exit(void)
 		ieee80211s_stop();
 
 	ieee80211_iface_exit();
+
+	rcu_barrier();
 }
 
 
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index e7c5fddb480..249e733362e 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -120,6 +120,7 @@ struct mesh_path {
  *	buckets
  * @mean_chain_len: maximum average length for the hash buckets' list, if it is
  *	reached, the table will grow
+ * rcu_head: RCU head to free the table
  */
 struct mesh_table {
 	/* Number of buckets will be 2^N */
@@ -132,6 +133,8 @@ struct mesh_table {
 	int (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl);
 	int size_order;
 	int mean_chain_len;
+
+	struct rcu_head rcu_head;
 };
 
 /* Recent multicast cache */
@@ -286,10 +289,6 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
 	return sdata->u.mesh.mesh_pp_id == IEEE80211_PATH_PROTOCOL_HWMP;
 }
 
-#define for_each_mesh_entry(x, p, node, i) \
-	for (i = 0; i <= x->hash_mask; i++) \
-		hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list)
-
 void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local);
 
 void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 83ce48e3191..0d2faacc3e8 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -36,8 +36,8 @@ struct mpath_node {
 	struct mesh_path *mpath;
 };
 
-static struct mesh_table *mesh_paths;
-static struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */
+static struct mesh_table __rcu *mesh_paths;
+static struct mesh_table __rcu *mpp_paths; /* Store paths for MPP&MAP */
 
 int mesh_paths_generation;
 
@@ -48,17 +48,40 @@ int mesh_paths_generation;
 static DEFINE_RWLOCK(pathtbl_resize_lock);
 
 
+static inline struct mesh_table *resize_dereference_mesh_paths(void)
+{
+	return rcu_dereference_protected(mesh_paths,
+		lockdep_is_held(&pathtbl_resize_lock));
+}
+
+static inline struct mesh_table *resize_dereference_mpp_paths(void)
+{
+	return rcu_dereference_protected(mpp_paths,
+		lockdep_is_held(&pathtbl_resize_lock));
+}
+
+/*
+ * CAREFUL -- "tbl" must not be an expression,
+ * in particular not an rcu_dereference(), since
+ * it's used twice. So it is illegal to do
+ *	for_each_mesh_entry(rcu_dereference(...), ...)
+ */
+#define for_each_mesh_entry(tbl, p, node, i) \
+	for (i = 0; i <= tbl->hash_mask; i++) \
+		hlist_for_each_entry_rcu(node, p, &tbl->hash_buckets[i], list)
+
+
 static struct mesh_table *mesh_table_alloc(int size_order)
 {
 	int i;
 	struct mesh_table *newtbl;
 
-	newtbl = kmalloc(sizeof(struct mesh_table), GFP_KERNEL);
+	newtbl = kmalloc(sizeof(struct mesh_table), GFP_ATOMIC);
 	if (!newtbl)
 		return NULL;
 
 	newtbl->hash_buckets = kzalloc(sizeof(struct hlist_head) *
-			(1 << size_order), GFP_KERNEL);
+			(1 << size_order), GFP_ATOMIC);
 
 	if (!newtbl->hash_buckets) {
 		kfree(newtbl);
@@ -66,7 +89,7 @@ static struct mesh_table *mesh_table_alloc(int size_order)
 	}
 
 	newtbl->hashwlock = kmalloc(sizeof(spinlock_t) *
-			(1 << size_order), GFP_KERNEL);
+			(1 << size_order), GFP_ATOMIC);
 	if (!newtbl->hashwlock) {
 		kfree(newtbl->hash_buckets);
 		kfree(newtbl);
@@ -258,12 +281,13 @@ struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
  */
 struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data *sdata)
 {
+	struct mesh_table *tbl = rcu_dereference(mesh_paths);
 	struct mpath_node *node;
 	struct hlist_node *p;
 	int i;
 	int j = 0;
 
-	for_each_mesh_entry(mesh_paths, p, node, i) {
+	for_each_mesh_entry(tbl, p, node, i) {
 		if (sdata && node->mpath->sdata != sdata)
 			continue;
 		if (j++ == idx) {
@@ -293,6 +317,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct ieee80211_local *local = sdata->local;
+	struct mesh_table *tbl;
 	struct mesh_path *mpath, *new_mpath;
 	struct mpath_node *node, *new_node;
 	struct hlist_head *bucket;
@@ -332,10 +357,12 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 	spin_lock_init(&new_mpath->state_lock);
 	init_timer(&new_mpath->timer);
 
-	hash_idx = mesh_table_hash(dst, sdata, mesh_paths);
-	bucket = &mesh_paths->hash_buckets[hash_idx];
+	tbl = resize_dereference_mesh_paths();
+
+	hash_idx = mesh_table_hash(dst, sdata, tbl);
+	bucket = &tbl->hash_buckets[hash_idx];
 
-	spin_lock_bh(&mesh_paths->hashwlock[hash_idx]);
+	spin_lock_bh(&tbl->hashwlock[hash_idx]);
 
 	err = -EEXIST;
 	hlist_for_each_entry(node, n, bucket, list) {
@@ -345,13 +372,13 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 	}
 
 	hlist_add_head_rcu(&new_node->list, bucket);
-	if (atomic_inc_return(&mesh_paths->entries) >=
-		mesh_paths->mean_chain_len * (mesh_paths->hash_mask + 1))
+	if (atomic_inc_return(&tbl->entries) >=
+	    tbl->mean_chain_len * (tbl->hash_mask + 1))
 		grow = 1;
 
 	mesh_paths_generation++;
 
-	spin_unlock_bh(&mesh_paths->hashwlock[hash_idx]);
+	spin_unlock_bh(&tbl->hashwlock[hash_idx]);
 	read_unlock_bh(&pathtbl_resize_lock);
 	if (grow) {
 		set_bit(MESH_WORK_GROW_MPATH_TABLE,  &ifmsh->wrkq_flags);
@@ -360,7 +387,7 @@ int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 	return 0;
 
 err_exists:
-	spin_unlock_bh(&mesh_paths->hashwlock[hash_idx]);
+	spin_unlock_bh(&tbl->hashwlock[hash_idx]);
 	read_unlock_bh(&pathtbl_resize_lock);
 	kfree(new_node);
 err_node_alloc:
@@ -370,58 +397,59 @@ err_path_alloc:
 	return err;
 }
 
+static void mesh_table_free_rcu(struct rcu_head *rcu)
+{
+	struct mesh_table *tbl = container_of(rcu, struct mesh_table, rcu_head);
+
+	mesh_table_free(tbl, false);
+}
+
 void mesh_mpath_table_grow(void)
 {
 	struct mesh_table *oldtbl, *newtbl;
 
-	rcu_read_lock();
-	newtbl = mesh_table_alloc(rcu_dereference(mesh_paths)->size_order + 1);
-	if (!newtbl)
-		return;
 	write_lock_bh(&pathtbl_resize_lock);
-	oldtbl = mesh_paths;
-	if (mesh_table_grow(mesh_paths, newtbl) < 0) {
-		rcu_read_unlock();
+	oldtbl = resize_dereference_mesh_paths();
+	newtbl = mesh_table_alloc(oldtbl->size_order + 1);
+	if (!newtbl)
+		goto out;
+	if (mesh_table_grow(oldtbl, newtbl) < 0) {
 		__mesh_table_free(newtbl);
-		write_unlock_bh(&pathtbl_resize_lock);
-		return;
+		goto out;
 	}
-	rcu_read_unlock();
 	rcu_assign_pointer(mesh_paths, newtbl);
-	write_unlock_bh(&pathtbl_resize_lock);
 
-	synchronize_rcu();
-	mesh_table_free(oldtbl, false);
+	call_rcu(&oldtbl->rcu_head, mesh_table_free_rcu);
+
+ out:
+	write_unlock_bh(&pathtbl_resize_lock);
 }
 
 void mesh_mpp_table_grow(void)
 {
 	struct mesh_table *oldtbl, *newtbl;
 
-	rcu_read_lock();
-	newtbl = mesh_table_alloc(rcu_dereference(mpp_paths)->size_order + 1);
-	if (!newtbl)
-		return;
 	write_lock_bh(&pathtbl_resize_lock);
-	oldtbl = mpp_paths;
-	if (mesh_table_grow(mpp_paths, newtbl) < 0) {
-		rcu_read_unlock();
+	oldtbl = resize_dereference_mpp_paths();
+	newtbl = mesh_table_alloc(oldtbl->size_order + 1);
+	if (!newtbl)
+		goto out;
+	if (mesh_table_grow(oldtbl, newtbl) < 0) {
 		__mesh_table_free(newtbl);
-		write_unlock_bh(&pathtbl_resize_lock);
-		return;
+		goto out;
 	}
-	rcu_read_unlock();
 	rcu_assign_pointer(mpp_paths, newtbl);
-	write_unlock_bh(&pathtbl_resize_lock);
+	call_rcu(&oldtbl->rcu_head, mesh_table_free_rcu);
 
-	synchronize_rcu();
-	mesh_table_free(oldtbl, false);
+ out:
+	write_unlock_bh(&pathtbl_resize_lock);
 }
 
 int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct ieee80211_local *local = sdata->local;
+	struct mesh_table *tbl;
 	struct mesh_path *mpath, *new_mpath;
 	struct mpath_node *node, *new_node;
 	struct hlist_head *bucket;
@@ -456,10 +484,12 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
 	new_mpath->exp_time = jiffies;
 	spin_lock_init(&new_mpath->state_lock);
 
-	hash_idx = mesh_table_hash(dst, sdata, mpp_paths);
-	bucket = &mpp_paths->hash_buckets[hash_idx];
+	tbl = resize_dereference_mpp_paths();
 
-	spin_lock_bh(&mpp_paths->hashwlock[hash_idx]);
+	hash_idx = mesh_table_hash(dst, sdata, tbl);
+	bucket = &tbl->hash_buckets[hash_idx];
+
+	spin_lock_bh(&tbl->hashwlock[hash_idx]);
 
 	err = -EEXIST;
 	hlist_for_each_entry(node, n, bucket, list) {
@@ -469,11 +499,11 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
 	}
 
 	hlist_add_head_rcu(&new_node->list, bucket);
-	if (atomic_inc_return(&mpp_paths->entries) >=
-		mpp_paths->mean_chain_len * (mpp_paths->hash_mask + 1))
+	if (atomic_inc_return(&tbl->entries) >=
+	    tbl->mean_chain_len * (tbl->hash_mask + 1))
 		grow = 1;
 
-	spin_unlock_bh(&mpp_paths->hashwlock[hash_idx]);
+	spin_unlock_bh(&tbl->hashwlock[hash_idx]);
 	read_unlock_bh(&pathtbl_resize_lock);
 	if (grow) {
 		set_bit(MESH_WORK_GROW_MPP_TABLE,  &ifmsh->wrkq_flags);
@@ -482,7 +512,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
 	return 0;
 
 err_exists:
-	spin_unlock_bh(&mpp_paths->hashwlock[hash_idx]);
+	spin_unlock_bh(&tbl->hashwlock[hash_idx]);
 	read_unlock_bh(&pathtbl_resize_lock);
 	kfree(new_node);
 err_node_alloc:
@@ -502,6 +532,7 @@ err_path_alloc:
  */
 void mesh_plink_broken(struct sta_info *sta)
 {
+	struct mesh_table *tbl;
 	static const u8 bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -510,10 +541,11 @@ void mesh_plink_broken(struct sta_info *sta)
 	int i;
 
 	rcu_read_lock();
-	for_each_mesh_entry(mesh_paths, p, node, i) {
+	tbl = rcu_dereference(mesh_paths);
+	for_each_mesh_entry(tbl, p, node, i) {
 		mpath = node->mpath;
 		spin_lock_bh(&mpath->state_lock);
-		if (mpath->next_hop == sta &&
+		if (rcu_dereference(mpath->next_hop) == sta &&
 		    mpath->flags & MESH_PATH_ACTIVE &&
 		    !(mpath->flags & MESH_PATH_FIXED)) {
 			mpath->flags &= ~MESH_PATH_ACTIVE;
@@ -542,30 +574,38 @@ void mesh_plink_broken(struct sta_info *sta)
  */
 void mesh_path_flush_by_nexthop(struct sta_info *sta)
 {
+	struct mesh_table *tbl;
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
 	int i;
 
-	for_each_mesh_entry(mesh_paths, p, node, i) {
+	rcu_read_lock();
+	tbl = rcu_dereference(mesh_paths);
+	for_each_mesh_entry(tbl, p, node, i) {
 		mpath = node->mpath;
-		if (mpath->next_hop == sta)
+		if (rcu_dereference(mpath->next_hop) == sta)
 			mesh_path_del(mpath->dst, mpath->sdata);
 	}
+	rcu_read_unlock();
 }
 
 void mesh_path_flush(struct ieee80211_sub_if_data *sdata)
 {
+	struct mesh_table *tbl;
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
 	int i;
 
-	for_each_mesh_entry(mesh_paths, p, node, i) {
+	rcu_read_lock();
+	tbl = rcu_dereference(mesh_paths);
+	for_each_mesh_entry(tbl, p, node, i) {
 		mpath = node->mpath;
 		if (mpath->sdata == sdata)
 			mesh_path_del(mpath->dst, mpath->sdata);
 	}
+	rcu_read_unlock();
 }
 
 static void mesh_path_node_reclaim(struct rcu_head *rp)
@@ -589,6 +629,7 @@ static void mesh_path_node_reclaim(struct rcu_head *rp)
  */
 int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
 {
+	struct mesh_table *tbl;
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_head *bucket;
@@ -597,19 +638,20 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
 	int err = 0;
 
 	read_lock_bh(&pathtbl_resize_lock);
-	hash_idx = mesh_table_hash(addr, sdata, mesh_paths);
-	bucket = &mesh_paths->hash_buckets[hash_idx];
+	tbl = resize_dereference_mesh_paths();
+	hash_idx = mesh_table_hash(addr, sdata, tbl);
+	bucket = &tbl->hash_buckets[hash_idx];
 
-	spin_lock_bh(&mesh_paths->hashwlock[hash_idx]);
+	spin_lock_bh(&tbl->hashwlock[hash_idx]);
 	hlist_for_each_entry(node, n, bucket, list) {
 		mpath = node->mpath;
 		if (mpath->sdata == sdata &&
-				memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
+		    memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
 			spin_lock_bh(&mpath->state_lock);
 			mpath->flags |= MESH_PATH_RESOLVING;
 			hlist_del_rcu(&node->list);
 			call_rcu(&node->rcu, mesh_path_node_reclaim);
-			atomic_dec(&mesh_paths->entries);
+			atomic_dec(&tbl->entries);
 			spin_unlock_bh(&mpath->state_lock);
 			goto enddel;
 		}
@@ -618,7 +660,7 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
 	err = -ENXIO;
 enddel:
 	mesh_paths_generation++;
-	spin_unlock_bh(&mesh_paths->hashwlock[hash_idx]);
+	spin_unlock_bh(&tbl->hashwlock[hash_idx]);
 	read_unlock_bh(&pathtbl_resize_lock);
 	return err;
 }
@@ -719,8 +761,10 @@ static void mesh_path_node_free(struct hlist_node *p, bool free_leafs)
 	struct mpath_node *node = hlist_entry(p, struct mpath_node, list);
 	mpath = node->mpath;
 	hlist_del_rcu(p);
-	if (free_leafs)
+	if (free_leafs) {
+		del_timer_sync(&mpath->timer);
 		kfree(mpath);
+	}
 	kfree(node);
 }
 
@@ -745,52 +789,60 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
 
 int mesh_pathtbl_init(void)
 {
-	mesh_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
-	if (!mesh_paths)
+	struct mesh_table *tbl_path, *tbl_mpp;
+
+	tbl_path = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!tbl_path)
 		return -ENOMEM;
-	mesh_paths->free_node = &mesh_path_node_free;
-	mesh_paths->copy_node = &mesh_path_node_copy;
-	mesh_paths->mean_chain_len = MEAN_CHAIN_LEN;
+	tbl_path->free_node = &mesh_path_node_free;
+	tbl_path->copy_node = &mesh_path_node_copy;
+	tbl_path->mean_chain_len = MEAN_CHAIN_LEN;
 
-	mpp_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
-	if (!mpp_paths) {
-		mesh_table_free(mesh_paths, true);
+	tbl_mpp = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!tbl_mpp) {
+		mesh_table_free(tbl_path, true);
 		return -ENOMEM;
 	}
-	mpp_paths->free_node = &mesh_path_node_free;
-	mpp_paths->copy_node = &mesh_path_node_copy;
-	mpp_paths->mean_chain_len = MEAN_CHAIN_LEN;
+	tbl_mpp->free_node = &mesh_path_node_free;
+	tbl_mpp->copy_node = &mesh_path_node_copy;
+	tbl_mpp->mean_chain_len = MEAN_CHAIN_LEN;
+
+	/* Need no locking since this is during init */
+	RCU_INIT_POINTER(mesh_paths, tbl_path);
+	RCU_INIT_POINTER(mpp_paths, tbl_mpp);
 
 	return 0;
 }
 
 void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
 {
+	struct mesh_table *tbl;
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
 	int i;
 
-	read_lock_bh(&pathtbl_resize_lock);
-	for_each_mesh_entry(mesh_paths, p, node, i) {
+	rcu_read_lock();
+	tbl = rcu_dereference(mesh_paths);
+	for_each_mesh_entry(tbl, p, node, i) {
 		if (node->mpath->sdata != sdata)
 			continue;
 		mpath = node->mpath;
 		spin_lock_bh(&mpath->state_lock);
 		if ((!(mpath->flags & MESH_PATH_RESOLVING)) &&
 		    (!(mpath->flags & MESH_PATH_FIXED)) &&
-			time_after(jiffies,
-			 mpath->exp_time + MESH_PATH_EXPIRE)) {
+		     time_after(jiffies, mpath->exp_time + MESH_PATH_EXPIRE)) {
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_del(mpath->dst, mpath->sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}
-	read_unlock_bh(&pathtbl_resize_lock);
+	rcu_read_unlock();
 }
 
 void mesh_pathtbl_unregister(void)
 {
-	mesh_table_free(mesh_paths, true);
-	mesh_table_free(mpp_paths, true);
+	/* no need for locking during exit path */
+	mesh_table_free(rcu_dereference_raw(mesh_paths), true);
+	mesh_table_free(rcu_dereference_raw(mpp_paths), true);
 }
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index d20046b5d8f..27af6723cb5 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -719,6 +719,11 @@ void ieee80211_scan_work(struct work_struct *work)
 	 * without scheduling a new work
 	 */
 	do {
+		if (!ieee80211_sdata_running(sdata)) {
+			aborted = true;
+			goto out_complete;
+		}
+
 		switch (local->next_scan_state) {
 		case SCAN_DECISION:
 			/* if no more bands/channels left, complete scan */
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 5fe4f3b04ed..6ef64adf736 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1985,7 +1985,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
 		struct sock *s = v;
 		struct netlink_sock *nlk = nlk_sk(s);
 
-		seq_printf(seq, "%p %-3d %-6d %08x %-8d %-8d %p %-8d %-8d %-8lu\n",
+		seq_printf(seq, "%pK %-3d %-6d %08x %-8d %-8d %pK %-8d %-8d %-8lu\n",
 			   s,
 			   s->sk_protocol,
 			   nlk->pid,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 549527bca87..925f715686a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2706,7 +2706,7 @@ static int packet_seq_show(struct seq_file *seq, void *v)
 		const struct packet_sock *po = pkt_sk(s);
 
 		seq_printf(seq,
-			   "%p %-6d %-4d %04x   %-5d %1d %-6u %-6u %-6lu\n",
+			   "%pK %-6d %-4d %04x   %-5d %1d %-6u %-6u %-6lu\n",
 			   s,
 			   atomic_read(&s->sk_refcnt),
 			   s->sk_type,
diff --git a/net/phonet/socket.c b/net/phonet/socket.c
index 8c5bfcef92c..ab07711cf2f 100644
--- a/net/phonet/socket.c
+++ b/net/phonet/socket.c
@@ -607,7 +607,7 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v)
 		struct pn_sock *pn = pn_sk(sk);
 
 		seq_printf(seq, "%2d %04X:%04X:%02X %02X %08X:%08X %5d %lu "
-			"%d %p %d%n",
+			"%d %pK %d%n",
 			sk->sk_protocol, pn->sobject, pn->dobject,
 			pn->resource, sk->sk_state,
 			sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
index 48464ca13b2..78efe895b66 100644
--- a/net/rfkill/Kconfig
+++ b/net/rfkill/Kconfig
@@ -33,3 +33,12 @@ config RFKILL_REGULATOR
 
           To compile this driver as a module, choose M here: the module will
           be called rfkill-regulator.
+
+config RFKILL_GPIO
+	tristate "GPIO RFKILL driver"
+	depends on RFKILL && GPIOLIB && HAVE_CLK
+	default n
+	help
+	  If you say yes here you get support of a generic gpio RFKILL
+	  driver. The platform should fill in the appropriate fields in the
+	  rfkill_gpio_platform_data structure and pass that to the driver.
diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile
index d9a5a58ffd8..311768783f4 100644
--- a/net/rfkill/Makefile
+++ b/net/rfkill/Makefile
@@ -6,3 +6,4 @@ rfkill-y			+= core.o
 rfkill-$(CONFIG_RFKILL_INPUT)	+= input.o
 obj-$(CONFIG_RFKILL)		+= rfkill.o
 obj-$(CONFIG_RFKILL_REGULATOR)	+= rfkill-regulator.o
+obj-$(CONFIG_RFKILL_GPIO)	+= rfkill-gpio.o
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
new file mode 100644
index 00000000000..256c5ddd2d7
--- /dev/null
+++ b/net/rfkill/rfkill-gpio.c
@@ -0,0 +1,227 @@
+/*
+ * Copyright (c) 2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/rfkill.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/slab.h>
+
+#include <linux/rfkill-gpio.h>
+
+enum rfkill_gpio_clk_state {
+	UNSPECIFIED = 0,
+	PWR_ENABLED,
+	PWR_DISABLED
+};
+
+#define PWR_CLK_SET(_RF, _EN) \
+	((_RF)->pwr_clk_enabled = (!(_EN) ? PWR_ENABLED : PWR_DISABLED))
+#define PWR_CLK_ENABLED(_RF) ((_RF)->pwr_clk_enabled == PWR_ENABLED)
+#define PWR_CLK_DISABLED(_RF) ((_RF)->pwr_clk_enabled != PWR_ENABLED)
+
+struct rfkill_gpio_data {
+	struct rfkill_gpio_platform_data	*pdata;
+	struct rfkill				*rfkill_dev;
+	char					*reset_name;
+	char					*shutdown_name;
+	enum rfkill_gpio_clk_state		pwr_clk_enabled;
+	struct clk				*pwr_clk;
+};
+
+static int rfkill_gpio_set_power(void *data, bool blocked)
+{
+	struct rfkill_gpio_data *rfkill = data;
+
+	if (blocked) {
+		if (gpio_is_valid(rfkill->pdata->shutdown_gpio))
+			gpio_direction_output(rfkill->pdata->shutdown_gpio, 0);
+		if (gpio_is_valid(rfkill->pdata->reset_gpio))
+			gpio_direction_output(rfkill->pdata->reset_gpio, 0);
+		if (rfkill->pwr_clk && PWR_CLK_ENABLED(rfkill))
+			clk_disable(rfkill->pwr_clk);
+	} else {
+		if (rfkill->pwr_clk && PWR_CLK_DISABLED(rfkill))
+			clk_enable(rfkill->pwr_clk);
+		if (gpio_is_valid(rfkill->pdata->reset_gpio))
+			gpio_direction_output(rfkill->pdata->reset_gpio, 1);
+		if (gpio_is_valid(rfkill->pdata->shutdown_gpio))
+			gpio_direction_output(rfkill->pdata->shutdown_gpio, 1);
+	}
+
+	if (rfkill->pwr_clk)
+		PWR_CLK_SET(rfkill, blocked);
+
+	return 0;
+}
+
+static const struct rfkill_ops rfkill_gpio_ops = {
+	.set_block = rfkill_gpio_set_power,
+};
+
+static int rfkill_gpio_probe(struct platform_device *pdev)
+{
+	struct rfkill_gpio_data *rfkill;
+	struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data;
+	int ret = 0;
+	int len = 0;
+
+	if (!pdata) {
+		pr_warn("%s: No platform data specified\n", __func__);
+		return -EINVAL;
+	}
+
+	/* make sure at-least one of the GPIO is defined and that
+	 * a name is specified for this instance */
+	if (!pdata->name || (!gpio_is_valid(pdata->reset_gpio) &&
+		!gpio_is_valid(pdata->shutdown_gpio))) {
+		pr_warn("%s: invalid platform data\n", __func__);
+		return -EINVAL;
+	}
+
+	rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
+	if (!rfkill)
+		return -ENOMEM;
+
+	rfkill->pdata = pdata;
+
+	len = strlen(pdata->name);
+	rfkill->reset_name = kzalloc(len + 7, GFP_KERNEL);
+	if (!rfkill->reset_name) {
+		ret = -ENOMEM;
+		goto fail_alloc;
+	}
+
+	rfkill->shutdown_name = kzalloc(len + 10, GFP_KERNEL);
+	if (!rfkill->shutdown_name) {
+		ret = -ENOMEM;
+		goto fail_reset_name;
+	}
+
+	snprintf(rfkill->reset_name, len + 6 , "%s_reset", pdata->name);
+	snprintf(rfkill->shutdown_name, len + 9, "%s_shutdown", pdata->name);
+
+	if (pdata->power_clk_name) {
+		rfkill->pwr_clk = clk_get(&pdev->dev, pdata->power_clk_name);
+		if (IS_ERR(rfkill->pwr_clk)) {
+			pr_warn("%s: can't find pwr_clk.\n", __func__);
+			goto fail_shutdown_name;
+		}
+	}
+
+	if (gpio_is_valid(pdata->reset_gpio)) {
+		ret = gpio_request(pdata->reset_gpio, rfkill->reset_name);
+		if (ret) {
+			pr_warn("%s: failed to get reset gpio.\n", __func__);
+			goto fail_clock;
+		}
+	}
+
+	if (gpio_is_valid(pdata->shutdown_gpio)) {
+		ret = gpio_request(pdata->shutdown_gpio, rfkill->shutdown_name);
+		if (ret) {
+			pr_warn("%s: failed to get shutdown gpio.\n", __func__);
+			goto fail_reset;
+		}
+	}
+
+	rfkill->rfkill_dev = rfkill_alloc(pdata->name, &pdev->dev, pdata->type,
+				&rfkill_gpio_ops, rfkill);
+	if (!rfkill->rfkill_dev)
+		goto fail_shutdown;
+
+	ret = rfkill_register(rfkill->rfkill_dev);
+	if (ret < 0)
+		goto fail_rfkill;
+
+	platform_set_drvdata(pdev, rfkill);
+
+	dev_info(&pdev->dev, "%s device registered.\n", pdata->name);
+
+	return 0;
+
+fail_rfkill:
+	rfkill_destroy(rfkill->rfkill_dev);
+fail_shutdown:
+	if (gpio_is_valid(pdata->shutdown_gpio))
+		gpio_free(pdata->shutdown_gpio);
+fail_reset:
+	if (gpio_is_valid(pdata->reset_gpio))
+		gpio_free(pdata->reset_gpio);
+fail_clock:
+	if (rfkill->pwr_clk)
+		clk_put(rfkill->pwr_clk);
+fail_shutdown_name:
+	kfree(rfkill->shutdown_name);
+fail_reset_name:
+	kfree(rfkill->reset_name);
+fail_alloc:
+	kfree(rfkill);
+
+	return ret;
+}
+
+static int rfkill_gpio_remove(struct platform_device *pdev)
+{
+	struct rfkill_gpio_data *rfkill = platform_get_drvdata(pdev);
+
+	rfkill_unregister(rfkill->rfkill_dev);
+	rfkill_destroy(rfkill->rfkill_dev);
+	if (gpio_is_valid(rfkill->pdata->shutdown_gpio))
+		gpio_free(rfkill->pdata->shutdown_gpio);
+	if (gpio_is_valid(rfkill->pdata->reset_gpio))
+		gpio_free(rfkill->pdata->reset_gpio);
+	if (rfkill->pwr_clk && PWR_CLK_ENABLED(rfkill))
+		clk_disable(rfkill->pwr_clk);
+	if (rfkill->pwr_clk)
+		clk_put(rfkill->pwr_clk);
+	kfree(rfkill->shutdown_name);
+	kfree(rfkill->reset_name);
+	kfree(rfkill);
+
+	return 0;
+}
+
+static struct platform_driver rfkill_gpio_driver = {
+	.probe = rfkill_gpio_probe,
+	.remove = __devexit_p(rfkill_gpio_remove),
+	.driver = {
+		   .name = "rfkill_gpio",
+		   .owner = THIS_MODULE,
+	},
+};
+
+static int __init rfkill_gpio_init(void)
+{
+	return platform_driver_register(&rfkill_gpio_driver);
+}
+
+static void __exit rfkill_gpio_exit(void)
+{
+	platform_driver_unregister(&rfkill_gpio_driver);
+}
+
+module_init(rfkill_gpio_init);
+module_exit(rfkill_gpio_exit);
+
+MODULE_DESCRIPTION("gpio rfkill");
+MODULE_AUTHOR("NVIDIA");
+MODULE_LICENSE("GPL");
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 7ef87f9eb67..b6ea6afa55b 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -361,7 +361,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
 	struct sfq_sched_data *q = qdisc_priv(sch);
 	unsigned int hash;
-	sfq_index x;
+	sfq_index x, qlen;
 	struct sfq_slot *slot;
 	int uninitialized_var(ret);
 
@@ -405,20 +405,12 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 	if (++sch->q.qlen <= q->limit)
 		return NET_XMIT_SUCCESS;
 
+	qlen = slot->qlen;
 	sfq_drop(sch);
-	return NET_XMIT_CN;
-}
-
-static struct sk_buff *
-sfq_peek(struct Qdisc *sch)
-{
-	struct sfq_sched_data *q = qdisc_priv(sch);
-
-	/* No active slots */
-	if (q->tail == NULL)
-		return NULL;
-
-	return q->slots[q->tail->next].skblist_next;
+	/* Return Congestion Notification only if we dropped a packet
+	 * from this flow.
+	 */
+	return (qlen != slot->qlen) ? NET_XMIT_CN : NET_XMIT_SUCCESS;
 }
 
 static struct sk_buff *
@@ -702,7 +694,7 @@ static struct Qdisc_ops sfq_qdisc_ops __read_mostly = {
 	.priv_size	=	sizeof(struct sfq_sched_data),
 	.enqueue	=	sfq_enqueue,
 	.dequeue	=	sfq_dequeue,
-	.peek		=	sfq_peek,
+	.peek		=	qdisc_peek_dequeued,
 	.drop		=	sfq_drop,
 	.init		=	sfq_init,
 	.reset		=	sfq_reset,
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 1a21c571aa0..525f97c467e 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -64,6 +64,7 @@
 /* Forward declarations for internal functions. */
 static void sctp_assoc_bh_rcv(struct work_struct *work);
 static void sctp_assoc_free_asconf_acks(struct sctp_association *asoc);
+static void sctp_assoc_free_asconf_queue(struct sctp_association *asoc);
 
 /* Keep track of the new idr low so that we don't re-use association id
  * numbers too fast.  It is protected by they idr spin lock is in the
@@ -446,6 +447,9 @@ void sctp_association_free(struct sctp_association *asoc)
 	/* Free any cached ASCONF_ACK chunk. */
 	sctp_assoc_free_asconf_acks(asoc);
 
+	/* Free the ASCONF queue. */
+	sctp_assoc_free_asconf_queue(asoc);
+
 	/* Free any cached ASCONF chunk. */
 	if (asoc->addip_last_asconf)
 		sctp_chunk_free(asoc->addip_last_asconf);
@@ -1578,6 +1582,18 @@ retry:
 	return error;
 }
 
+/* Free the ASCONF queue */
+static void sctp_assoc_free_asconf_queue(struct sctp_association *asoc)
+{
+	struct sctp_chunk *asconf;
+	struct sctp_chunk *tmp;
+
+	list_for_each_entry_safe(asconf, tmp, &asoc->addip_chunk_list, list) {
+		list_del_init(&asconf->list);
+		sctp_chunk_free(asconf);
+	}
+}
+
 /* Free asconf_ack cache */
 static void sctp_assoc_free_asconf_acks(struct sctp_association *asoc)
 {
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 61aacfbbaa9..05a6ce21471 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -212,7 +212,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 	sctp_for_each_hentry(epb, node, &head->chain) {
 		ep = sctp_ep(epb);
 		sk = epb->sk;
-		seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
+		seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
 			   sctp_sk(sk)->type, sk->sk_state, hash,
 			   epb->bind_addr.port,
 			   sock_i_uid(sk), sock_i_ino(sk));
@@ -316,7 +316,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
 		assoc = sctp_assoc(epb);
 		sk = epb->sk;
 		seq_printf(seq,
-			   "%8p %8p %-3d %-3d %-2d %-4d "
+			   "%8pK %8pK %-3d %-3d %-2d %-4d "
 			   "%4d %8d %8d %7d %5lu %-5d %5d ",
 			   assoc, sk, sctp_sk(sk)->type, sk->sk_state,
 			   assoc->state, hash,
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index b1d75beb7e2..0722a25a3a3 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2254,7 +2254,7 @@ static int unix_seq_show(struct seq_file *seq, void *v)
 		struct unix_sock *u = unix_sk(s);
 		unix_state_lock(s);
 
-		seq_printf(seq, "%p: %08X %08X %08X %04X %02X %5lu",
+		seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu",
 			s,
 			atomic_read(&s->sk_refcnt),
 			0,
diff --git a/net/wireless/core.h b/net/wireless/core.h
index bf0fb40e3c8..3dce1f167eb 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -245,6 +245,7 @@ struct cfg80211_event {
 			u16 status;
 		} cr;
 		struct {
+			struct ieee80211_channel *channel;
 			u8 bssid[ETH_ALEN];
 			const u8 *req_ie;
 			const u8 *resp_ie;
@@ -392,7 +393,9 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
 			struct net_device *dev, u16 reason,
 			bool wextev);
-void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
+void __cfg80211_roamed(struct wireless_dev *wdev,
+		       struct ieee80211_channel *channel,
+		       const u8 *bssid,
 		       const u8 *req_ie, size_t req_ie_len,
 		       const u8 *resp_ie, size_t resp_ie_len);
 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 2222ce08ee9..ec83f413a7e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3294,8 +3294,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
 	struct net_device *dev = info->user_ptr[1];
 	struct cfg80211_scan_request *request;
-	struct cfg80211_ssid *ssid;
-	struct ieee80211_channel *channel;
 	struct nlattr *attr;
 	struct wiphy *wiphy;
 	int err, tmp, n_ssids = 0, n_channels, i;
@@ -3342,8 +3340,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 		return -EINVAL;
 
 	request = kzalloc(sizeof(*request)
-			+ sizeof(*ssid) * n_ssids
-			+ sizeof(channel) * n_channels
+			+ sizeof(*request->ssids) * n_ssids
+			+ sizeof(*request->channels) * n_channels
 			+ ie_len, GFP_KERNEL);
 	if (!request)
 		return -ENOMEM;
@@ -3449,8 +3447,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 	struct cfg80211_sched_scan_request *request;
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
 	struct net_device *dev = info->user_ptr[1];
-	struct cfg80211_ssid *ssid;
-	struct ieee80211_channel *channel;
 	struct nlattr *attr;
 	struct wiphy *wiphy;
 	int err, tmp, n_ssids = 0, n_channels, i;
@@ -3507,8 +3503,8 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
 		return -EINVAL;
 
 	request = kzalloc(sizeof(*request)
-			+ sizeof(*ssid) * n_ssids
-			+ sizeof(channel) * n_channels
+			+ sizeof(*request->ssids) * n_ssids
+			+ sizeof(*request->channels) * n_channels
 			+ ie_len, GFP_KERNEL);
 	if (!request)
 		return -ENOMEM;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index e17b0bee6bd..b7b6ff8be55 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -250,7 +250,8 @@ static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
 	if (wdev->conn->params.privacy)
 		capa |= WLAN_CAPABILITY_PRIVACY;
 
-	bss = cfg80211_get_bss(wdev->wiphy, NULL, wdev->conn->params.bssid,
+	bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel,
+			       wdev->conn->params.bssid,
 			       wdev->conn->params.ssid,
 			       wdev->conn->params.ssid_len,
 			       WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
@@ -470,7 +471,10 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 	}
 
 	if (!bss)
-		bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+		bss = cfg80211_get_bss(wdev->wiphy,
+				       wdev->conn ? wdev->conn->params.channel :
+				       NULL,
+				       bssid,
 				       wdev->ssid, wdev->ssid_len,
 				       WLAN_CAPABILITY_ESS,
 				       WLAN_CAPABILITY_ESS);
@@ -538,7 +542,9 @@ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 }
 EXPORT_SYMBOL(cfg80211_connect_result);
 
-void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
+void __cfg80211_roamed(struct wireless_dev *wdev,
+		       struct ieee80211_channel *channel,
+		       const u8 *bssid,
 		       const u8 *req_ie, size_t req_ie_len,
 		       const u8 *resp_ie, size_t resp_ie_len)
 {
@@ -565,7 +571,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
 	cfg80211_put_bss(&wdev->current_bss->pub);
 	wdev->current_bss = NULL;
 
-	bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+	bss = cfg80211_get_bss(wdev->wiphy, channel, bssid,
 			       wdev->ssid, wdev->ssid_len,
 			       WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
 
@@ -603,7 +609,9 @@ void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
 #endif
 }
 
-void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
+void cfg80211_roamed(struct net_device *dev,
+		     struct ieee80211_channel *channel,
+		     const u8 *bssid,
 		     const u8 *req_ie, size_t req_ie_len,
 		     const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
 {
@@ -619,6 +627,7 @@ void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
 		return;
 
 	ev->type = EVENT_ROAMED;
+	ev->rm.channel = channel;
 	memcpy(ev->rm.bssid, bssid, ETH_ALEN);
 	ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev);
 	ev->rm.req_ie_len = req_ie_len;
diff --git a/net/wireless/util.c b/net/wireless/util.c
index f0536d44d43..4d7b83fbc32 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -746,7 +746,7 @@ static void cfg80211_process_wdev_events(struct wireless_dev *wdev)
 				NULL);
 			break;
 		case EVENT_ROAMED:
-			__cfg80211_roamed(wdev, ev->rm.bssid,
+			__cfg80211_roamed(wdev, ev->rm.channel, ev->rm.bssid,
 					  ev->rm.req_ie, ev->rm.req_ie_len,
 					  ev->rm.resp_ie, ev->rm.resp_ie_len);
 			break;