Commit e408b8dc authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

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: default avatarEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0afd4a21
...@@ -1015,9 +1015,11 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) ...@@ -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) { if ((rc = sock_queue_rcv_skb(sk, skb)) < 0) {
/* Note that an ENOMEM error is charged twice */ /* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM) if (rc == -ENOMEM) {
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS,
is_udplite); is_udplite);
atomic_inc(&sk->sk_drops);
}
goto drop; goto drop;
} }
......
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