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Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c3588b4fd979..4baf1943b1bd 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1682,8 +1682,10 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v4_do_rcv(sk, skb);
}
- } else
- sk_add_backlog(sk, skb);
+ } else if (sk_add_backlog_limited(sk, skb)) {
+ bh_unlock_sock(sk);
+ goto discard_and_relse;
+ }
bh_unlock_sock(sk);
sock_put(sk);