udp: increments sk_drops in __udp_queue_rcv_skb()

Commit 9382177 (udp: Fix rcv socket locking) accidentally removed sk_drops increments for UDP IPV4 sockets. This field can be used to detect incorrect sizing of socket receive buffers. Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Feb 2, 2009 · e408b8d · e408b8d
1 parent 0afd4a2
commit e408b8d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
@@ -1015,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 	if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
 		/* Note that an ENOMEM error is charged twice */
-		if (rc == -ENOMEM)
+		if (rc == -ENOMEM) {
 			UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
 					 is_udplite);
+			atomic_inc(&sk->sk_drops);
+		}
 		goto drop;
 	}