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Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 6963a6b..9b6dbba 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1740,8 +1740,11 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v6_do_rcv(sk, skb);
}
- } else
- sk_add_backlog(sk, skb);
+ } else if (unlikely(sk_add_backlog(sk, skb))) {
+ bh_unlock_sock(sk);
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+ goto discard_and_relse;
+ }
bh_unlock_sock(sk);
sock_put(sk);
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