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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (55 commits)
  netxen: fix tx ring accounting
  netxen: fix detection of cut-thru firmware mode
  forcedeth: fix dma api mismatches
  atm: sk_wmem_alloc initial value is one
  net: correct off-by-one write allocations reports
  via-velocity : fix no link detection on boot
  Net / e100: Fix suspend of devices that cannot be power managed
  TI DaVinci EMAC : Fix rmmod error
  net: group address list and its count
  ipv4: Fix fib_trie rebalancing, part 2
  pkt_sched: Update drops stats in act_police
  sky2: version 1.23
  sky2: add GRO support
  sky2: skb recycling
  sky2: reduce default transmit ring
  sky2: receive counter update
  sky2: fix shutdown synchronization
  sky2: PCI irq issues
  sky2: more receive shutdown
  sky2: turn off pause during shutdown
  ...

Manually fix trivial conflict in net/core/skbuff.c due to kmemcheck

40 files changed, 260 insertions, 211 deletions

diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c
index fd8e0847b25..80caad1a31a 100644
--- a/net/appletalk/atalk_proc.c
+++ b/net/appletalk/atalk_proc.c
@@ -204,8 +204,8 @@ static int atalk_seq_socket_show(struct seq_file *seq, void *v)
 			"%02X %d\n",
 		   s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,
 		   ntohs(at->dest_net), at->dest_node, at->dest_port,
-		   atomic_read(&s->sk_wmem_alloc),
-		   atomic_read(&s->sk_rmem_alloc),
+		   sk_wmem_alloc_get(s),
+		   sk_rmem_alloc_get(s),
 		   s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
 out:
 	return 0;
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b603cbacdc5..590b8396362 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -162,8 +162,7 @@ static void atalk_destroy_timer(unsigned long data)
 {
 	struct sock *sk = (struct sock *)data;
 
-	if (atomic_read(&sk->sk_wmem_alloc) ||
-	    atomic_read(&sk->sk_rmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		sk->sk_timer.expires = jiffies + SOCK_DESTROY_TIME;
 		add_timer(&sk->sk_timer);
 	} else
@@ -175,8 +174,7 @@ static inline void atalk_destroy_socket(struct sock *sk)
 	atalk_remove_socket(sk);
 	skb_queue_purge(&sk->sk_receive_queue);
 
-	if (atomic_read(&sk->sk_wmem_alloc) ||
-	    atomic_read(&sk->sk_rmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		setup_timer(&sk->sk_timer, atalk_destroy_timer,
 				(unsigned long)sk);
 		sk->sk_timer.expires	= jiffies + SOCK_DESTROY_TIME;
@@ -1750,8 +1748,7 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	switch (cmd) {
 		/* Protocol layer */
 		case TIOCOUTQ: {
-			long amount = sk->sk_sndbuf -
-				      atomic_read(&sk->sk_wmem_alloc);
+			long amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 
 			if (amount < 0)
 				amount = 0;
diff --git a/net/atm/common.c b/net/atm/common.c
index d34edbe754c..c1c97936192 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -62,15 +62,15 @@ static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size)
 	struct sk_buff *skb;
 	struct sock *sk = sk_atm(vcc);
 
-	if (atomic_read(&sk->sk_wmem_alloc) && !atm_may_send(vcc, size)) {
+	if (sk_wmem_alloc_get(sk) && !atm_may_send(vcc, size)) {
 		pr_debug("Sorry: wmem_alloc = %d, size = %d, sndbuf = %d\n",
-			atomic_read(&sk->sk_wmem_alloc), size,
+			sk_wmem_alloc_get(sk), size,
 			sk->sk_sndbuf);
 		return NULL;
 	}
-	while (!(skb = alloc_skb(size,GFP_KERNEL))) schedule();
-	pr_debug("AlTx %d += %d\n", atomic_read(&sk->sk_wmem_alloc),
-		skb->truesize);
+	while (!(skb = alloc_skb(size, GFP_KERNEL)))
+		schedule();
+	pr_debug("AlTx %d += %d\n", sk_wmem_alloc_get(sk), skb->truesize);
 	atomic_add(skb->truesize, &sk->sk_wmem_alloc);
 	return skb;
 }
@@ -145,7 +145,7 @@ int vcc_create(struct net *net, struct socket *sock, int protocol, int family)
 	memset(&vcc->local,0,sizeof(struct sockaddr_atmsvc));
 	memset(&vcc->remote,0,sizeof(struct sockaddr_atmsvc));
 	vcc->qos.txtp.max_sdu = 1 << 16; /* for meta VCs */
-	atomic_set(&sk->sk_wmem_alloc, 0);
+	atomic_set(&sk->sk_wmem_alloc, 1);
 	atomic_set(&sk->sk_rmem_alloc, 0);
 	vcc->push = NULL;
 	vcc->pop = NULL;
diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index 76ed3c8d26e..4da8892ced5 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -63,8 +63,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg
 				error =  -EINVAL;
 				goto done;
 			}
-			error = put_user(sk->sk_sndbuf -
-					 atomic_read(&sk->sk_wmem_alloc),
+			error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk),
 					 (int __user *) argp) ? -EFAULT : 0;
 			goto done;
 		case SIOCINQ:
diff --git a/net/atm/proc.c b/net/atm/proc.c
index e7b3b273907..38de5ff61ec 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -204,8 +204,8 @@ static void vcc_info(struct seq_file *seq, struct atm_vcc *vcc)
 			seq_printf(seq, "%3d", sk->sk_family);
 	}
 	seq_printf(seq, " %04lx  %5d %7d/%7d %7d/%7d [%d]\n", vcc->flags, sk->sk_err,
-		  atomic_read(&sk->sk_wmem_alloc), sk->sk_sndbuf,
-		  atomic_read(&sk->sk_rmem_alloc), sk->sk_rcvbuf,
+		  sk_wmem_alloc_get(sk), sk->sk_sndbuf,
+		  sk_rmem_alloc_get(sk), sk->sk_rcvbuf,
 		  atomic_read(&sk->sk_refcnt));
 }
 
diff --git a/net/atm/raw.c b/net/atm/raw.c
index b0a2d8cb674..cbfcc71a17b 100644
--- a/net/atm/raw.c
+++ b/net/atm/raw.c
@@ -33,7 +33,7 @@ static void atm_pop_raw(struct atm_vcc *vcc,struct sk_buff *skb)
 	struct sock *sk = sk_atm(vcc);
 
 	pr_debug("APopR (%d) %d -= %d\n", vcc->vci,
-		atomic_read(&sk->sk_wmem_alloc), skb->truesize);
+		sk_wmem_alloc_get(sk), skb->truesize);
 	atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
 	dev_kfree_skb_any(skb);
 	sk->sk_write_space(sk);
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index fd9d06f291d..da0f64f82b5 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -330,8 +330,7 @@ void ax25_destroy_socket(ax25_cb *ax25)
 	}
 
 	if (ax25->sk != NULL) {
-		if (atomic_read(&ax25->sk->sk_wmem_alloc) ||
-		    atomic_read(&ax25->sk->sk_rmem_alloc)) {
+		if (sk_has_allocations(ax25->sk)) {
 			/* Defer: outstanding buffers */
 			setup_timer(&ax25->dtimer, ax25_destroy_timer,
 					(unsigned long)ax25);
@@ -1691,7 +1690,8 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	switch (cmd) {
 	case TIOCOUTQ: {
 		long amount;
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		res = put_user(amount, (int __user *)argp);
@@ -1781,8 +1781,8 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		ax25_info.idletimer = ax25_display_timer(&ax25->idletimer) / (60 * HZ);
 		ax25_info.n2count   = ax25->n2count;
 		ax25_info.state     = ax25->state;
-		ax25_info.rcv_q     = atomic_read(&sk->sk_rmem_alloc);
-		ax25_info.snd_q     = atomic_read(&sk->sk_wmem_alloc);
+		ax25_info.rcv_q     = sk_wmem_alloc_get(sk);
+		ax25_info.snd_q     = sk_rmem_alloc_get(sk);
 		ax25_info.vs        = ax25->vs;
 		ax25_info.vr        = ax25->vr;
 		ax25_info.va        = ax25->va;
@@ -1922,8 +1922,8 @@ static int ax25_info_show(struct seq_file *seq, void *v)
 
 	if (ax25->sk != NULL) {
 		seq_printf(seq, " %d %d %lu\n",
-			   atomic_read(&ax25->sk->sk_wmem_alloc),
-			   atomic_read(&ax25->sk->sk_rmem_alloc),
+			   sk_wmem_alloc_get(ax25->sk),
+			   sk_rmem_alloc_get(ax25->sk),
 			   sock_i_ino(ax25->sk));
 	} else {
 		seq_puts(seq, " * * *\n");
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 02b9baa1930..0250e060015 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -337,7 +337,7 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		if (sk->sk_state == BT_LISTEN)
 			return -EINVAL;
 
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		err = put_user(amount, (int __user *) arg);
diff --git a/net/core/dev.c b/net/core/dev.c
index 576a61574a9..baf2dc13a34 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3461,10 +3461,10 @@ void __dev_set_rx_mode(struct net_device *dev)
 		/* Unicast addresses changes may only happen under the rtnl,
 		 * therefore calling __dev_set_promiscuity here is safe.
 		 */
-		if (dev->uc_count > 0 && !dev->uc_promisc) {
+		if (dev->uc.count > 0 && !dev->uc_promisc) {
 			__dev_set_promiscuity(dev, 1);
 			dev->uc_promisc = 1;
-		} else if (dev->uc_count == 0 && dev->uc_promisc) {
+		} else if (dev->uc.count == 0 && dev->uc_promisc) {
 			__dev_set_promiscuity(dev, -1);
 			dev->uc_promisc = 0;
 		}
@@ -3483,9 +3483,8 @@ void dev_set_rx_mode(struct net_device *dev)
 
 /* hw addresses list handling functions */
 
-static int __hw_addr_add(struct list_head *list, int *delta,
-			 unsigned char *addr, int addr_len,
-			 unsigned char addr_type)
+static int __hw_addr_add(struct netdev_hw_addr_list *list, unsigned char *addr,
+			 int addr_len, unsigned char addr_type)
 {
 	struct netdev_hw_addr *ha;
 	int alloc_size;
@@ -3493,7 +3492,7 @@ static int __hw_addr_add(struct list_head *list, int *delta,
 	if (addr_len > MAX_ADDR_LEN)
 		return -EINVAL;
 
-	list_for_each_entry(ha, list, list) {
+	list_for_each_entry(ha, &list->list, list) {
 		if (!memcmp(ha->addr, addr, addr_len) &&
 		    ha->type == addr_type) {
 			ha->refcount++;
@@ -3512,9 +3511,8 @@ static int __hw_addr_add(struct list_head *list, int *delta,
 	ha->type = addr_type;
 	ha->refcount = 1;
 	ha->synced = false;
-	list_add_tail_rcu(&ha->list, list);
-	if (delta)
-		(*delta)++;
+	list_add_tail_rcu(&ha->list, &list->list);
+	list->count++;
 	return 0;
 }
 
@@ -3526,120 +3524,121 @@ static void ha_rcu_free(struct rcu_head *head)
 	kfree(ha);
 }
 
-static int __hw_addr_del(struct list_head *list, int *delta,
-			 unsigned char *addr, int addr_len,
-			 unsigned char addr_type)
+static int __hw_addr_del(struct netdev_hw_addr_list *list, unsigned char *addr,
+			 int addr_len, unsigned char addr_type)
 {
 	struct netdev_hw_addr *ha;
 
-	list_for_each_entry(ha, list, list) {
+	list_for_each_entry(ha, &list->list, list) {
 		if (!memcmp(ha->addr, addr, addr_len) &&
 		    (ha->type == addr_type || !addr_type)) {
 			if (--ha->refcount)
 				return 0;
 			list_del_rcu(&ha->list);
 			call_rcu(&ha->rcu_head, ha_rcu_free);
-			if (delta)
-				(*delta)--;
+			list->count--;
 			return 0;
 		}
 	}
 	return -ENOENT;
 }
 
-static int __hw_addr_add_multiple(struct list_head *to_list, int *to_delta,
-				  struct list_head *from_list, int addr_len,
+static int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list,
+				  struct netdev_hw_addr_list *from_list,
+				  int addr_len,
 				  unsigned char addr_type)
 {
 	int err;
 	struct netdev_hw_addr *ha, *ha2;
 	unsigned char type;
 
-	list_for_each_entry(ha, from_list, list) {
+	list_for_each_entry(ha, &from_list->list, list) {
 		type = addr_type ? addr_type : ha->type;
-		err = __hw_addr_add(to_list, to_delta, ha->addr,
-				    addr_len, type);
+		err = __hw_addr_add(to_list, ha->addr, addr_len, type);
 		if (err)
 			goto unroll;
 	}
 	return 0;
 
 unroll:
-	list_for_each_entry(ha2, from_list, list) {
+	list_for_each_entry(ha2, &from_list->list, list) {
 		if (ha2 == ha)
 			break;
 		type = addr_type ? addr_type : ha2->type;
-		__hw_addr_del(to_list, to_delta, ha2->addr,
-			      addr_len, type);
+		__hw_addr_del(to_list, ha2->addr, addr_len, type);
 	}
 	return err;
 }
 
-static void __hw_addr_del_multiple(struct list_head *to_list, int *to_delta,
-				   struct list_head *from_list, int addr_len,
+static void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list,
+				   struct netdev_hw_addr_list *from_list,
+				   int addr_len,
 				   unsigned char addr_type)
 {
 	struct netdev_hw_addr *ha;
 	unsigned char type;
 
-	list_for_each_entry(ha, from_list, list) {
+	list_for_each_entry(ha, &from_list->list, list) {
 		type = addr_type ? addr_type : ha->type;
-		__hw_addr_del(to_list, to_delta, ha->addr,
-			      addr_len, addr_type);
+		__hw_addr_del(to_list, ha->addr, addr_len, addr_type);
 	}
 }
 
-static int __hw_addr_sync(struct list_head *to_list, int *to_delta,
-			  struct list_head *from_list, int *from_delta,
+static int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
+			  struct netdev_hw_addr_list *from_list,
 			  int addr_len)
 {
 	int err = 0;
 	struct netdev_hw_addr *ha, *tmp;
 
-	list_for_each_entry_safe(ha, tmp, from_list, list) {
+	list_for_each_entry_safe(ha, tmp, &from_list->list, list) {
 		if (!ha->synced) {
-			err = __hw_addr_add(to_list, to_delta, ha->addr,
+			err = __hw_addr_add(to_list, ha->addr,
 					    addr_len, ha->type);
 			if (err)
 				break;
 			ha->synced = true;
 			ha->refcount++;
 		} else if (ha->refcount == 1) {
-			__hw_addr_del(to_list, to_delta, ha->addr,
-				      addr_len, ha->type);
-			__hw_addr_del(from_list, from_delta, ha->addr,
-				      addr_len, ha->type);
+			__hw_addr_del(to_list, ha->addr, addr_len, ha->type);
+			__hw_addr_del(from_list, ha->addr, addr_len, ha->type);
 		}
 	}
 	return err;
 }
 
-static void __hw_addr_unsync(struct list_head *to_list, int *to_delta,
-			     struct list_head *from_list, int *from_delta,
+static void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
+			     struct netdev_hw_addr_list *from_list,
 			     int addr_len)
 {
 	struct netdev_hw_addr *ha, *tmp;
 
-	list_for_each_entry_safe(ha, tmp, from_list, list) {
+	list_for_each_entry_safe(ha, tmp, &from_list->list, list) {
 		if (ha->synced) {
-			__hw_addr_del(to_list, to_delta, ha->addr,
+			__hw_addr_del(to_list, ha->addr,
 				      addr_len, ha->type);
 			ha->synced = false;
-			__hw_addr_del(from_list, from_delta, ha->addr,
+			__hw_addr_del(from_list, ha->addr,
 				      addr_len, ha->type);
 		}
 	}
 }
 
-
-static void __hw_addr_flush(struct list_head *list)
+static void __hw_addr_flush(struct netdev_hw_addr_list *list)
 {
 	struct netdev_hw_addr *ha, *tmp;
 
-	list_for_each_entry_safe(ha, tmp, list, list) {
+	list_for_each_entry_safe(ha, tmp, &list->list, list) {
 		list_del_rcu(&ha->list);
 		call_rcu(&ha->rcu_head, ha_rcu_free);
 	}
+	list->count = 0;
+}
+
+static void __hw_addr_init(struct netdev_hw_addr_list *list)
+{
+	INIT_LIST_HEAD(&list->list);
+	list->count = 0;
 }
 
 /* Device addresses handling functions */
@@ -3648,7 +3647,7 @@ static void dev_addr_flush(struct net_device *dev)
 {
 	/* rtnl_mutex must be held here */
 
-	__hw_addr_flush(&dev->dev_addr_list);
+	__hw_addr_flush(&dev->dev_addrs);
 	dev->dev_addr = NULL;
 }
 
@@ -3660,16 +3659,16 @@ static int dev_addr_init(struct net_device *dev)
 
 	/* rtnl_mutex must be held here */
 
-	INIT_LIST_HEAD(&dev->dev_addr_list);
+	__hw_addr_init(&dev->dev_addrs);
 	memset(addr, 0, sizeof(addr));
-	err = __hw_addr_add(&dev->dev_addr_list, NULL, addr, sizeof(addr),
+	err = __hw_addr_add(&dev->dev_addrs, addr, sizeof(addr),
 			    NETDEV_HW_ADDR_T_LAN);
 	if (!err) {
 		/*
 		 * Get the first (previously created) address from the list
 		 * and set dev_addr pointer to this location.
 		 */
-		ha = list_first_entry(&dev->dev_addr_list,
+		ha = list_first_entry(&dev->dev_addrs.list,
 				      struct netdev_hw_addr, list);
 		dev->dev_addr = ha->addr;
 	}
@@ -3694,8 +3693,7 @@ int dev_addr_add(struct net_device *dev, unsigned char *addr,
 
 	ASSERT_RTNL();
 
-	err = __hw_addr_add(&dev->dev_addr_list, NULL, addr, dev->addr_len,
-			    addr_type);
+	err = __hw_addr_add(&dev->dev_addrs, addr, dev->addr_len, addr_type);
 	if (!err)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
 	return err;
@@ -3725,11 +3723,12 @@ int dev_addr_del(struct net_device *dev, unsigned char *addr,
 	 * We can not remove the first address from the list because
 	 * dev->dev_addr points to that.
 	 */
-	ha = list_first_entry(&dev->dev_addr_list, struct netdev_hw_addr, list);
+	ha = list_first_entry(&dev->dev_addrs.list,
+			      struct netdev_hw_addr, list);
 	if (ha->addr == dev->dev_addr && ha->refcount == 1)
 		return -ENOENT;
 
-	err = __hw_addr_del(&dev->dev_addr_list, NULL, addr, dev->addr_len,
+	err = __hw_addr_del(&dev->dev_addrs, addr, dev->addr_len,
 			    addr_type);
 	if (!err)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
@@ -3757,8 +3756,7 @@ int dev_addr_add_multiple(struct net_device *to_dev,
 
 	if (from_dev->addr_len != to_dev->addr_len)
 		return -EINVAL;
-	err = __hw_addr_add_multiple(&to_dev->dev_addr_list, NULL,
-				     &from_dev->dev_addr_list,
+	err = __hw_addr_add_multiple(&to_dev->dev_addrs, &from_dev->dev_addrs,
 				     to_dev->addr_len, addr_type);
 	if (!err)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
@@ -3784,15 +3782,14 @@ int dev_addr_del_multiple(struct net_device *to_dev,
 
 	if (from_dev->addr_len != to_dev->addr_len)
 		return -EINVAL;
-	__hw_addr_del_multiple(&to_dev->dev_addr_list, NULL,
-			       &from_dev->dev_addr_list,
+	__hw_addr_del_multiple(&to_dev->dev_addrs, &from_dev->dev_addrs,
 			       to_dev->addr_len, addr_type);
 	call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
 	return 0;
 }
 EXPORT_SYMBOL(dev_addr_del_multiple);
 
-/* unicast and multicast addresses handling functions */
+/* multicast addresses handling functions */
 
 int __dev_addr_delete(struct dev_addr_list **list, int *count,
 		      void *addr, int alen, int glbl)
@@ -3868,8 +3865,8 @@ int dev_unicast_delete(struct net_device *dev, void *addr)
 
 	ASSERT_RTNL();
 
-	err = __hw_addr_del(&dev->uc_list, &dev->uc_count, addr,
-			    dev->addr_len, NETDEV_HW_ADDR_T_UNICAST);
+	err = __hw_addr_del(&dev->uc, addr, dev->addr_len,
+			    NETDEV_HW_ADDR_T_UNICAST);
 	if (!err)
 		__dev_set_rx_mode(dev);
 	return err;
@@ -3892,8 +3889,8 @@ int dev_unicast_add(struct net_device *dev, void *addr)
 
 	ASSERT_RTNL();
 
-	err = __hw_addr_add(&dev->uc_list, &dev->uc_count, addr,
-			    dev->addr_len, NETDEV_HW_ADDR_T_UNICAST);
+	err = __hw_addr_add(&dev->uc, addr, dev->addr_len,
+			    NETDEV_HW_ADDR_T_UNICAST);
 	if (!err)
 		__dev_set_rx_mode(dev);
 	return err;
@@ -3966,8 +3963,7 @@ int dev_unicast_sync(struct net_device *to, struct net_device *from)
 	if (to->addr_len != from->addr_len)
 		return -EINVAL;
 
-	err = __hw_addr_sync(&to->uc_list, &to->uc_count,
-			     &from->uc_list, &from->uc_count, to->addr_len);
+	err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
 	if (!err)
 		__dev_set_rx_mode(to);
 	return err;
@@ -3990,8 +3986,7 @@ void dev_unicast_unsync(struct net_device *to, struct net_device *from)
 	if (to->addr_len != from->addr_len)
 		return;
 
-	__hw_addr_unsync(&to->uc_list, &to->uc_count,
-			 &from->uc_list, &from->uc_count, to->addr_len);
+	__hw_addr_unsync(&to->uc, &from->uc, to->addr_len);
 	__dev_set_rx_mode(to);
 }
 EXPORT_SYMBOL(dev_unicast_unsync);
@@ -4000,15 +3995,14 @@ static void dev_unicast_flush(struct net_device *dev)
 {
 	/* rtnl_mutex must be held here */
 
-	__hw_addr_flush(&dev->uc_list);
-	dev->uc_count = 0;
+	__hw_addr_flush(&dev->uc);
 }
 
 static void dev_unicast_init(struct net_device *dev)
 {
 	/* rtnl_mutex must be held here */
 
-	INIT_LIST_HEAD(&dev->uc_list);
+	__hw_addr_init(&dev->uc);
 }
 
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5c93435b034..9e0597d189b 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -204,6 +204,10 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	skb->end = skb->tail + size;
 	kmemcheck_annotate_bitfield(skb, flags1);
 	kmemcheck_annotate_bitfield(skb, flags2);
+#ifdef NET_SKBUFF_DATA_USES_OFFSET
+	skb->mac_header = ~0U;
+#endif
+
 	/* make sure we initialize shinfo sequentially */
 	shinfo = skb_shinfo(skb);
 	atomic_set(&shinfo->dataref, 1);
@@ -665,7 +669,8 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 	/* {transport,network,mac}_header are relative to skb->head */
 	new->transport_header += offset;
 	new->network_header   += offset;
-	new->mac_header	      += offset;
+	if (skb_mac_header_was_set(new))
+		new->mac_header	      += offset;
 #endif
 	skb_shinfo(new)->gso_size = skb_shinfo(old)->gso_size;
 	skb_shinfo(new)->gso_segs = skb_shinfo(old)->gso_segs;
@@ -847,7 +852,8 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
 	skb->tail	      += off;
 	skb->transport_header += off;
 	skb->network_header   += off;
-	skb->mac_header	      += off;
+	if (skb_mac_header_was_set(skb))
+		skb->mac_header += off;
 	skb->csum_start       += nhead;
 	skb->cloned   = 0;
 	skb->hdr_len  = 0;
@@ -939,7 +945,8 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
 	n->transport_header += off;
 	n->network_header   += off;
-	n->mac_header	    += off;
+	if (skb_mac_header_was_set(skb))
+		n->mac_header += off;
 #endif
 
 	return n;
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index a5e3a593e47..d351b8db0df 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1240,7 +1240,7 @@ static int dn_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return val;
 
 	case TIOCOUTQ:
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		err = put_user(amount, (int __user *)arg);
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 8121bf0029e..2e1f836d424 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -540,8 +540,7 @@ static void econet_destroy_timer(unsigned long data)
 {
 	struct sock *sk=(struct sock *)data;
 
-	if (!atomic_read(&sk->sk_wmem_alloc) &&
-	    !atomic_read(&sk->sk_rmem_alloc)) {
+	if (!sk_has_allocations(sk)) {
 		sk_free(sk);
 		return;
 	}
@@ -579,8 +578,7 @@ static int econet_release(struct socket *sock)
 
 	skb_queue_purge(&sk->sk_receive_queue);
 
-	if (atomic_read(&sk->sk_rmem_alloc) ||
-	    atomic_read(&sk->sk_wmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		sk->sk_timer.data     = (unsigned long)sk;
 		sk->sk_timer.expires  = jiffies + HZ;
 		sk->sk_timer.function = econet_destroy_timer;
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 1779677aed4..14d39840dd6 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -126,7 +126,8 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
 	switch (cmd) {
 	case SIOCOUTQ:
 	{
-		int amount = atomic_read(&sk->sk_wmem_alloc);
+		int amount = sk_wmem_alloc_get(sk);
+
 		return put_user(amount, (int __user *)arg);
 	}
 
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index d1a39b1277d..012cf5a6858 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -391,13 +391,8 @@ static inline void tnode_free(struct tnode *tn)
 static void tnode_free_safe(struct tnode *tn)
 {
 	BUG_ON(IS_LEAF(tn));
-
-	if (node_parent((struct node *) tn)) {
-		tn->tnode_free = tnode_free_head;
-		tnode_free_head = tn;
-	} else {
-		tnode_free(tn);
-	}
+	tn->tnode_free = tnode_free_head;
+	tnode_free_head = tn;
 }
 
 static void tnode_free_flush(void)
@@ -1009,7 +1004,7 @@ fib_find_node(struct trie *t, u32 key)
 	return NULL;
 }
 
-static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
+static void trie_rebalance(struct trie *t, struct tnode *tn)
 {
 	int wasfull;
 	t_key cindex, key;
@@ -1033,12 +1028,13 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
 	}
 
 	/* Handle last (top) tnode */
-	if (IS_TNODE(tn)) {
+	if (IS_TNODE(tn))
 		tn = (struct tnode *)resize(t, (struct tnode *)tn);
-		tnode_free_flush();
-	}
 
-	return (struct node *)tn;
+	rcu_assign_pointer(t->trie, (struct node *)tn);
+	tnode_free_flush();
+
+	return;
 }
 
 /* only used from updater-side */
@@ -1186,7 +1182,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
 
 	/* Rebalance the trie */
 
-	rcu_assign_pointer(t->trie, trie_rebalance(t, tp));
+	trie_rebalance(t, tp);
 done:
 	return fa_head;
 }
@@ -1605,7 +1601,7 @@ static void trie_leaf_remove(struct trie *t, struct leaf *l)
 	if (tp) {
 		t_key cindex = tkey_extract_bits(l->key, tp->pos, tp->bits);
 		put_child(t, (struct tnode *)tp, cindex, NULL);
-		rcu_assign_pointer(t->trie, trie_rebalance(t, tp));
+		trie_rebalance(t, tp);
 	} else
 		rcu_assign_pointer(t->trie, NULL);
 
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index b0b273503e2..a706a47f4db 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -156,10 +156,10 @@ static int inet_csk_diag_fill(struct sock *sk,
 	r->idiag_inode = sock_i_ino(sk);
 
 	if (minfo) {
-		minfo->idiag_rmem = atomic_read(&sk->sk_rmem_alloc);
+		minfo->idiag_rmem = sk_rmem_alloc_get(sk);
 		minfo->idiag_wmem = sk->sk_wmem_queued;
 		minfo->idiag_fmem = sk->sk_forward_alloc;
-		minfo->idiag_tmem = atomic_read(&sk->sk_wmem_alloc);
+		minfo->idiag_tmem = sk_wmem_alloc_get(sk);
 	}
 
 	handler->idiag_get_info(sk, r, info);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 3dc9171a272..2979f14bb18 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -799,7 +799,8 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
 	switch (cmd) {
 		case SIOCOUTQ: {
-			int amount = atomic_read(&sk->sk_wmem_alloc);
+			int amount = sk_wmem_alloc_get(sk);
+
 			return put_user(amount, (int __user *)arg);
 		}
 		case SIOCINQ: {
@@ -935,8 +936,8 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 	seq_printf(seq, "%4d: %08X:%04X %08X:%04X"
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
 		i, src, srcp, dest, destp, sp->sk_state,
-		atomic_read(&sp->sk_wmem_alloc),
-		atomic_read(&sp->sk_rmem_alloc),
+		sk_wmem_alloc_get(sp),
+		sk_rmem_alloc_get(sp),
 		0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
 		atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
 }
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 8f4158d7c9a..80e3812837a 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -840,7 +840,8 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg)
 	switch (cmd) {
 	case SIOCOUTQ:
 	{
-		int amount = atomic_read(&sk->sk_wmem_alloc);
+		int amount = sk_wmem_alloc_get(sk);
+
 		return put_user(amount, (int __user *)arg);
 	}
 
@@ -1721,8 +1722,8 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f,
 	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
 		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n",
 		bucket, src, srcp, dest, destp, sp->sk_state,
-		atomic_read(&sp->sk_wmem_alloc),
-		atomic_read(&sp->sk_rmem_alloc),
+		sk_wmem_alloc_get(sp),
+		sk_rmem_alloc_get(sp),
 		0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
 		atomic_read(&sp->sk_refcnt), sp,
 		atomic_read(&sp->sk_drops), len);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 36a090d87a3..8b0b6f94806 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1130,7 +1130,8 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 	switch(cmd) {
 		case SIOCOUTQ:
 		{
-			int amount = atomic_read(&sk->sk_wmem_alloc);
+			int amount = sk_wmem_alloc_get(sk);
+
 			return put_user(amount, (int __user *)arg);
 		}
 		case SIOCINQ:
@@ -1236,8 +1237,8 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
 		   sp->sk_state,
-		   atomic_read(&sp->sk_wmem_alloc),
-		   atomic_read(&sp->sk_rmem_alloc),
+		   sk_wmem_alloc_get(sp),
+		   sk_rmem_alloc_get(sp),
 		   0, 0L, 0,
 		   sock_i_uid(sp), 0,
 		   sock_i_ino(sp),
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index fc333d85472..023beda6b22 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1061,8 +1061,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3], destp,
 		   sp->sk_state,
-		   atomic_read(&sp->sk_wmem_alloc),
-		   atomic_read(&sp->sk_rmem_alloc),
+		   sk_wmem_alloc_get(sp),
+		   sk_rmem_alloc_get(sp),
 		   0, 0L, 0,
 		   sock_i_uid(sp), 0,
 		   sock_i_ino(sp),
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 1627050e29f..417b0e30949 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1835,7 +1835,7 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 	case TIOCOUTQ:
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		rc = put_user(amount, (int __user *)argp);
diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c
index 5ed97ad0e2e..576178482f8 100644
--- a/net/ipx/ipx_proc.c
+++ b/net/ipx/ipx_proc.c
@@ -280,8 +280,8 @@ static int ipx_seq_socket_show(struct seq_file *seq, void *v)
 	}
 
 	seq_printf(seq, "%08X  %08X  %02X     %03d\n",
-		   atomic_read(&s->sk_wmem_alloc),
-		   atomic_read(&s->sk_rmem_alloc),
+		   sk_wmem_alloc_get(s),
+		   sk_rmem_alloc_get(s),
 		   s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
 out:
 	return 0;
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 3eb5bcc75f9..5922febe25c 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1762,7 +1762,8 @@ static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	switch (cmd) {
 	case TIOCOUTQ: {
 		long amount;
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		if (put_user(amount, (unsigned int __user *)arg))
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 643c1be2d02..dba9abd27f9 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3662,8 +3662,8 @@ static int pfkey_seq_show(struct seq_file *f, void *v)
 		seq_printf(f ,"%p %-6d %-6u %-6u %-6u %-6lu\n",
 			       s,
 			       atomic_read(&s->sk_refcnt),
-			       atomic_read(&s->sk_rmem_alloc),
-			       atomic_read(&s->sk_wmem_alloc),
+			       sk_rmem_alloc_get(s),
+			       sk_wmem_alloc_get(s),
 			       sock_i_uid(s),
 			       sock_i_ino(s)
 			       );
diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
index d208b3396d9..f97be471fe2 100644
--- a/net/llc/llc_proc.c
+++ b/net/llc/llc_proc.c
@@ -134,8 +134,8 @@ static int llc_seq_socket_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "@%02X ", llc->sap->laddr.lsap);
 	llc_ui_format_mac(seq, llc->daddr.mac);
 	seq_printf(seq, "@%02X %8d %8d %2d %3d %4d\n", llc->daddr.lsap,
-		   atomic_read(&sk->sk_wmem_alloc),
-		   atomic_read(&sk->sk_rmem_alloc) - llc->copied_seq,
+		   sk_wmem_alloc_get(sk),
+		   sk_rmem_alloc_get(sk) - llc->copied_seq,
 		   sk->sk_state,
 		   sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : -1,
 		   llc->link);
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 11c72311f35..6c439cd5cce 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -163,6 +163,29 @@ static const struct file_operations noack_ops = {
 	.open = mac80211_open_file_generic
 };
 
+static ssize_t queues_read(struct file *file, char __user *user_buf,
+			   size_t count, loff_t *ppos)
+{
+	struct ieee80211_local *local = file->private_data;
+	unsigned long flags;
+	char buf[IEEE80211_MAX_QUEUES * 20];
+	int q, res = 0;
+
+	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+	for (q = 0; q < local->hw.queues; q++)
+		res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
+				local->queue_stop_reasons[q],
+				__netif_subqueue_stopped(local->mdev, q));
+	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static const struct file_operations queues_ops = {
+	.read = queues_read,
+	.open = mac80211_open_file_generic
+};
+
 /* statistics stuff */
 
 #define DEBUGFS_STATS_FILE(name, buflen, fmt, value...)			\
@@ -298,6 +321,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
 	DEBUGFS_ADD(total_ps_buffered);
 	DEBUGFS_ADD(wep_iv);
 	DEBUGFS_ADD(tsf);
+	DEBUGFS_ADD(queues);
 	DEBUGFS_ADD_MODE(reset, 0200);
 	DEBUGFS_ADD(noack);
 
@@ -350,6 +374,7 @@ void debugfs_hw_del(struct ieee80211_local *local)
 	DEBUGFS_DEL(total_ps_buffered);
 	DEBUGFS_DEL(wep_iv);
 	DEBUGFS_DEL(tsf);
+	DEBUGFS_DEL(queues);
 	DEBUGFS_DEL(reset);
 	DEBUGFS_DEL(noack);
 
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 4dbc2896419..68eb5052179 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -783,6 +783,7 @@ struct ieee80211_local {
 		struct dentry *total_ps_buffered;
 		struct dentry *wep_iv;
 		struct dentry *tsf;
+		struct dentry *queues;
 		struct dentry *reset;
 		struct dentry *noack;
 		struct dentry *statistics;
@@ -1100,7 +1101,6 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
 u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
 			       struct ieee802_11_elems *elems,
 			       u64 filter, u32 crc);
-int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
 u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
 			      enum ieee80211_band band);
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d779c57a822..aca22b00b6a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1102,14 +1102,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	struct sta_info *sta;
 	u32 changed = 0, config_changed = 0;
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ifmgd->bssid);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
 	if (deauth) {
 		ifmgd->direct_probe_tries = 0;
 		ifmgd->auth_tries = 0;
@@ -1120,7 +1112,11 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	netif_tx_stop_all_queues(sdata->dev);
 	netif_carrier_off(sdata->dev);
 
-	ieee80211_sta_tear_down_BA_sessions(sta);
+	rcu_read_lock();
+	sta = sta_info_get(local, ifmgd->bssid);
+	if (sta)
+		ieee80211_sta_tear_down_BA_sessions(sta);
+	rcu_read_unlock();
 
 	bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
 				   conf->channel->center_freq,
@@ -1156,8 +1152,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 				ifmgd->ssid, ifmgd->ssid_len);
 	}
 
-	rcu_read_unlock();
-
 	ieee80211_set_wmm_default(sdata);
 
 	ieee80211_recalc_idle(local);
@@ -2223,7 +2217,10 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata)
 				       capa_mask, capa_val);
 
 	if (bss) {
-		ieee80211_set_freq(sdata, bss->cbss.channel->center_freq);
+		local->oper_channel = bss->cbss.channel;
+		local->oper_channel_type = NL80211_CHAN_NO_HT;
+		ieee80211_hw_config(local, 0);
+
 		if (!(ifmgd->flags & IEEE80211_STA_SSID_SET))
 			ieee80211_sta_set_ssid(sdata, bss->ssid,
 					       bss->ssid_len);
@@ -2445,6 +2442,14 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata)
 			ieee80211_set_disassoc(sdata, true, true,
 					       WLAN_REASON_DEAUTH_LEAVING);
 
+		if (ifmgd->ssid_len == 0) {
+			/*
+			 * Only allow association to be started if a valid SSID
+			 * is configured.
+			 */
+			return;
+		}
+
 		if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) ||
 		    ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
 			set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
@@ -2476,6 +2481,10 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
 	ifmgd = &sdata->u.mgd;
 
 	if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
+		if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
+			ieee80211_set_disassoc(sdata, true, true,
+					       WLAN_REASON_DEAUTH_LEAVING);
+
 		/*
 		 * Do not use reassociation if SSID is changed (different ESS).
 		 */
@@ -2500,6 +2509,11 @@ int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
 {
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 
+	if (compare_ether_addr(bssid, ifmgd->bssid) != 0 &&
+	    ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)
+		ieee80211_set_disassoc(sdata, true, true,
+				       WLAN_REASON_DEAUTH_LEAVING);
+
 	if (is_valid_ether_addr(bssid)) {
 		memcpy(ifmgd->bssid, bssid, ETH_ALEN);
 		ifmgd->flags |= IEEE80211_STA_BSSID_SET;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 66ce96a69f3..915e7776931 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -774,31 +774,6 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 	dev_queue_xmit(skb);
 }
 
-int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
-{
-	int ret = -EINVAL;
-	struct ieee80211_channel *chan;
-	struct ieee80211_local *local = sdata->local;
-
-	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
-
-	if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
-		if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
-		    chan->flags & IEEE80211_CHAN_NO_IBSS)
-			return ret;
-		local->oper_channel = chan;
-		local->oper_channel_type = NL80211_CHAN_NO_HT;
-
-		if (local->sw_scanning || local->hw_scanning)
-			ret = 0;
-		else
-			ret = ieee80211_hw_config(
-				local, IEEE80211_CONF_CHANGE_CHANNEL);
-	}
-
-	return ret;
-}
-
 u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
 			      enum ieee80211_band band)
 {
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index d2d81b10334..1da81f45674 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -55,6 +55,8 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 				   struct iw_freq *freq, char *extra)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_channel *chan;
 
 	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 		return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
@@ -69,17 +71,38 @@ static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 					IEEE80211_STA_AUTO_CHANNEL_SEL;
 			return 0;
 		} else
-			return ieee80211_set_freq(sdata,
+			chan = ieee80211_get_channel(local->hw.wiphy,
 				ieee80211_channel_to_frequency(freq->m));
 	} else {
 		int i, div = 1000000;
 		for (i = 0; i < freq->e; i++)
 			div /= 10;
-		if (div > 0)
-			return ieee80211_set_freq(sdata, freq->m / div);
-		else
+		if (div <= 0)
 			return -EINVAL;
+		chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
 	}
+
+	if (!chan)
+		return -EINVAL;
+
+	if (chan->flags & IEEE80211_CHAN_DISABLED)
+		return -EINVAL;
+
+	/*
+	 * no change except maybe auto -> fixed, ignore the HT
+	 * setting so you can fix a channel you're on already
+	 */
+	if (local->oper_channel == chan)
+		return 0;
+
+	if (sdata->vif.type == NL80211_IFTYPE_STATION)
+		ieee80211_sta_req_auth(sdata);
+
+	local->oper_channel = chan;
+	local->oper_channel_type = NL80211_CHAN_NO_HT;
+	ieee80211_hw_config(local, 0);
+
+	return 0;
 }
 
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 8b6bbb3032b..2936fa3b6dc 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1914,8 +1914,8 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
 			   s->sk_protocol,
 			   nlk->pid,
 			   nlk->groups ? (u32)nlk->groups[0] : 0,
-			   atomic_read(&s->sk_rmem_alloc),
-			   atomic_read(&s->sk_wmem_alloc),
+			   sk_rmem_alloc_get(s),
+			   sk_wmem_alloc_get(s),
 			   nlk->cb,
 			   atomic_read(&s->sk_refcnt),
 			   atomic_read(&s->sk_drops)
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 3be0e016ab7..ce51ce012cd 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -286,8 +286,7 @@ void nr_destroy_socket(struct sock *sk)
 		kfree_skb(skb);
 	}
 
-	if (atomic_read(&sk->sk_wmem_alloc) ||
-	    atomic_read(&sk->sk_rmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		/* Defer: outstanding buffers */
 		sk->sk_timer.function = nr_destroy_timer;
 		sk->sk_timer.expires  = jiffies + 2 * HZ;
@@ -1206,7 +1205,7 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		long amount;
 
 		lock_sock(sk);
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		release_sock(sk);
@@ -1342,8 +1341,8 @@ static int nr_info_show(struct seq_file *seq, void *v)
 			nr->n2count,
 			nr->n2,
 			nr->window,
-			atomic_read(&s->sk_wmem_alloc),
-			atomic_read(&s->sk_rmem_alloc),
+			sk_wmem_alloc_get(s),
+			sk_rmem_alloc_get(s),
 			s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
 
 		bh_unlock_sock(s);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 4f76e5552d8..ebe5718baa3 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1987,7 +1987,8 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
 	switch (cmd) {
 		case SIOCOUTQ:
 		{
-			int amount = atomic_read(&sk->sk_wmem_alloc);
+			int amount = sk_wmem_alloc_get(sk);
+
 			return put_user(amount, (int __user *)arg);
 		}
 		case SIOCINQ:
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 877a7f65f70..6bd8e93869e 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -356,8 +356,7 @@ void rose_destroy_socket(struct sock *sk)
 		kfree_skb(skb);
 	}
 
-	if (atomic_read(&sk->sk_wmem_alloc) ||
-	    atomic_read(&sk->sk_rmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		/* Defer: outstanding buffers */
 		setup_timer(&sk->sk_timer, rose_destroy_timer,
 				(unsigned long)sk);
@@ -1310,7 +1309,8 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	switch (cmd) {
 	case TIOCOUTQ: {
 		long amount;
-		amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+
+		amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 		if (amount < 0)
 			amount = 0;
 		return put_user(amount, (unsigned int __user *) argp);
@@ -1481,8 +1481,8 @@ static int rose_info_show(struct seq_file *seq, void *v)
 			rose->hb / HZ,
 			ax25_display_timer(&rose->idletimer) / (60 * HZ),
 			rose->idle / (60 * HZ),
-			atomic_read(&s->sk_wmem_alloc),
-			atomic_read(&s->sk_rmem_alloc),
+			sk_wmem_alloc_get(s),
+			sk_rmem_alloc_get(s),
 			s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
 	}
 
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index f8f047b6124..723964c3ee4 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -294,6 +294,8 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
 	if (police->tcfp_ewma_rate &&
 	    police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
 		police->tcf_qstats.overlimits++;
+		if (police->tcf_action == TC_ACT_SHOT)
+			police->tcf_qstats.drops++;
 		spin_unlock(&police->tcf_lock);
 		return police->tcf_action;
 	}
@@ -327,6 +329,8 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
 	}
 
 	police->tcf_qstats.overlimits++;
+	if (police->tcf_action == TC_ACT_SHOT)
+		police->tcf_qstats.drops++;
 	spin_unlock(&police->tcf_lock);
 	return police->tcf_action;
 }
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 266151ae85a..18d85d25910 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -349,13 +349,13 @@ META_COLLECTOR(int_sk_type)
 META_COLLECTOR(int_sk_rmem_alloc)
 {
 	SKIP_NONLOCAL(skb);
-	dst->value = atomic_read(&skb->sk->sk_rmem_alloc);
+	dst->value = sk_rmem_alloc_get(skb->sk);
 }
 
 META_COLLECTOR(int_sk_wmem_alloc)
 {
 	SKIP_NONLOCAL(skb);
-	dst->value = atomic_read(&skb->sk->sk_wmem_alloc);
+	dst->value = sk_wmem_alloc_get(skb->sk);
 }
 
 META_COLLECTOR(int_sk_omem_alloc)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 0f01e5d8a24..35ba035970a 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -130,7 +130,7 @@ static inline int sctp_wspace(struct sctp_association *asoc)
 	if (asoc->ep->sndbuf_policy)
 		amt = asoc->sndbuf_used;
 	else
-		amt = atomic_read(&asoc->base.sk->sk_wmem_alloc);
+		amt = sk_wmem_alloc_get(asoc->base.sk);
 
 	if (amt >= asoc->base.sk->sk_sndbuf) {
 		if (asoc->base.sk->sk_userlocks & SOCK_SNDBUF_LOCK)
@@ -6523,7 +6523,7 @@ static int sctp_writeable(struct sock *sk)
 {
 	int amt = 0;
 
-	amt = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+	amt = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
 	if (amt < 0)
 		amt = 0;
 	return amt;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 9dcc6e7f96e..36d4e44d623 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1946,7 +1946,7 @@ static int unix_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 	case SIOCOUTQ:
-		amount = atomic_read(&sk->sk_wmem_alloc);
+		amount = sk_wmem_alloc_get(sk);
 		err = put_user(amount, (int __user *)arg);
 		break;
 	case SIOCINQ:
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index ed80af8ca5f..21cdc872004 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -332,14 +332,14 @@ static unsigned int x25_new_lci(struct x25_neigh *nb)
 /*
  *	Deferred destroy.
  */
-void x25_destroy_socket(struct sock *);
+static void __x25_destroy_socket(struct sock *);
 
 /*
  *	handler for deferred kills.
  */
 static void x25_destroy_timer(unsigned long data)
 {
-	x25_destroy_socket((struct sock *)data);
+	x25_destroy_socket_from_timer((struct sock *)data);
 }
 
 /*
@@ -349,12 +349,10 @@ static void x25_destroy_timer(unsigned long data)
  *	will touch it and we are (fairly 8-) ) safe.
  *	Not static as it's used by the timer
  */
-void x25_destroy_socket(struct sock *sk)
+static void __x25_destroy_socket(struct sock *sk)
 {
 	struct sk_buff *skb;
 
-	sock_hold(sk);
-	lock_sock(sk);
 	x25_stop_heartbeat(sk);
 	x25_stop_timer(sk);
 
@@ -374,8 +372,7 @@ void x25_destroy_socket(struct sock *sk)
 		kfree_skb(skb);
 	}
 
-	if (atomic_read(&sk->sk_wmem_alloc) ||
-	    atomic_read(&sk->sk_rmem_alloc)) {
+	if (sk_has_allocations(sk)) {
 		/* Defer: outstanding buffers */
 		sk->sk_timer.expires  = jiffies + 10 * HZ;
 		sk->sk_timer.function = x25_destroy_timer;
@@ -385,7 +382,22 @@ void x25_destroy_socket(struct sock *sk)
 		/* drop last reference so sock_put will free */
 		__sock_put(sk);
 	}
+}
+
+void x25_destroy_socket_from_timer(struct sock *sk)
+{
+	sock_hold(sk);
+	bh_lock_sock(sk);
+	__x25_destroy_socket(sk);
+	bh_unlock_sock(sk);
+	sock_put(sk);
+}
 
+static void x25_destroy_socket(struct sock *sk)
+{
+	sock_hold(sk);
+	lock_sock(sk);
+	__x25_destroy_socket(sk);
 	release_sock(sk);
 	sock_put(sk);
 }
@@ -1259,8 +1271,8 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 		case TIOCOUTQ: {
-			int amount = sk->sk_sndbuf -
-				     atomic_read(&sk->sk_wmem_alloc);
+			int amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
+
 			if (amount < 0)
 				amount = 0;
 			rc = put_user(amount, (unsigned int __user *)argp);
diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c
index 1afa44d25be..0a04e62e0e1 100644
--- a/net/x25/x25_proc.c
+++ b/net/x25/x25_proc.c
@@ -163,8 +163,8 @@ static int x25_seq_socket_show(struct seq_file *seq, void *v)
 		   devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr,
 		   x25->va, x25_display_timer(s) / HZ, x25->t2  / HZ,
 		   x25->t21 / HZ, x25->t22 / HZ, x25->t23 / HZ,
-		   atomic_read(&s->sk_wmem_alloc),
-		   atomic_read(&s->sk_rmem_alloc),
+		   sk_wmem_alloc_get(s),
+		   sk_rmem_alloc_get(s),
 		   s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
 out:
 	return 0;
diff --git a/net/x25/x25_timer.c b/net/x25/x25_timer.c
index d3e3e54db93..5c5db1a3639 100644
--- a/net/x25/x25_timer.c
+++ b/net/x25/x25_timer.c
@@ -113,7 +113,7 @@ static void x25_heartbeat_expiry(unsigned long param)
 			    (sk->sk_state == TCP_LISTEN &&
 			     sock_flag(sk, SOCK_DEAD))) {
 				bh_unlock_sock(sk);
-				x25_destroy_socket(sk);
+				x25_destroy_socket_from_timer(sk);
 				return;
 			}
 			break;