net: fix sk_forward_alloc corruptions

[karo-tx-linux.git] / net / ipv4 / udp.c

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 0ac88332d56a3f52ee8e216f3db9c053ff274176..4a7fd783f9834a91130a2e198e639501a1f0c5b9 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -441,7 +441,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
                if (!harderr || sk->sk_state != TCP_ESTABLISHED)
                        goto out;
        } else {
+               bh_lock_sock(sk);
                ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
+               bh_unlock_sock(sk);
        }
        sk->sk_err = err;
        sk->sk_error_report(sk);