From 979402b16cde048ced4839e21cc49e0779352b80 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 5 Sep 2012 23:34:44 +0000 Subject: udp: increment UDP_MIB_INERRORS if copy failed In UDP recvmsg(), we miss an increase of UDP_MIB_INERRORS if the copy of skb to userspace failed for whatever reason. Reported-by: Shawn Bohrer Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv4/udp.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'net/ipv4') diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 6f6d1aca3c3d..2814f66dac64 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1226,6 +1226,11 @@ try_again: if (unlikely(err)) { trace_kfree_skb(skb, udp_recvmsg); + if (!peeked) { + atomic_inc(&sk->sk_drops); + UDP_INC_STATS_USER(sock_net(sk), + UDP_MIB_INERRORS, is_udplite); + } goto out_free; } -- cgit v1.2.3