datagram: Factor out sk queue referencing

This makes lines shorter and simplifies further patching. Signed-off-by: Pavel Emelyanov <[email protected]> Acked-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
kevsmith · Feb 21, 2012 · 4934b03 · 4934b03
1 parent 0b0a635
commit 4934b03
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/net/core/datagram.c b/net/core/datagram.c
@@ -180,18 +180,19 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags,
 		 * However, this function was correct in any case. 8)
 		 */
 		unsigned long cpu_flags;
+		struct sk_buff_head *queue = &sk->sk_receive_queue;
 
-		spin_lock_irqsave(&sk->sk_receive_queue.lock, cpu_flags);
-		skb = skb_peek(&sk->sk_receive_queue);
+		spin_lock_irqsave(&queue->lock, cpu_flags);
+		skb = skb_peek(queue);
 		if (skb) {
 			*peeked = skb->peeked;
 			if (flags & MSG_PEEK) {
 				skb->peeked = 1;
 				atomic_inc(&skb->users);
 			} else
-				__skb_unlink(skb, &sk->sk_receive_queue);
+				__skb_unlink(skb, queue);
 		}
-		spin_unlock_irqrestore(&sk->sk_receive_queue.lock, cpu_flags);
+		spin_unlock_irqrestore(&queue->lock, cpu_flags);
 
 		if (skb)
 			return skb;