[NET]: Fix unbalanced local_bh_enable() in dev_queue_xmit()

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/dev.c

@@ -1261,6 +1261,11 @@ int dev_queue_xmit(struct sk_buff *skb)
 	struct Qdisc *q;
 	int rc = -ENOMEM;
 
+	/* Disable soft irqs for various locks below. Also 
+	 * stops preemption for RCU. 
+	 */
+	local_bh_disable(); 
+
 	if (skb_shinfo(skb)->frag_list &&
 	    !(dev->features & NETIF_F_FRAGLIST) &&
 	    __skb_linearize(skb, GFP_ATOMIC))
@@ -1285,12 +1290,6 @@ int dev_queue_xmit(struct sk_buff *skb)
 	      	if (skb_checksum_help(skb, 0))
 	      		goto out_kfree_skb;
 
-
-	/* Disable soft irqs for various locks below. Also 
-	 * stops preemption for RCU. 
-	 */
-	local_bh_disable(); 
-
 	/* Updates of qdisc are serialized by queue_lock. 
 	 * The struct Qdisc which is pointed to by qdisc is now a 
 	 * rcu structure - it may be accessed without acquiring