Commit e408b8dc authored Feb 02, 2009 by Eric Dumazet Committed by David S. Miller Feb 02, 2009

udp: increments sk_drops in __udp_queue_rcv_skb()



Commit 93821778 (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 <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 0afd4a21

net/ipv4/udp.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}