diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 5ba0340..ced8203 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1579,7 +1579,7 @@
 	} while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
 
 	if (!sk) {
-		spin_unlock(&state->udp_table->hash[state->bucket].lock);
+		spin_unlock_bh(&state->udp_table->hash[state->bucket].lock);
 		return udp_get_first(seq, state->bucket + 1);
 	}
 	return sk;