tcp/dccp: fix possible race __inet_lookup_established()

[mirror_ubuntu-bionic-kernel.git] / include / net / sock.h

diff --git a/include/net/sock.h b/include/net/sock.h
index e01c579d57539998d2a98afa64a407c26b104f91..70acf56a0fbc113929c6912ecb750ed08b0a2f3d 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -698,6 +698,11 @@ static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_h
        hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
 }
 
+static inline void __sk_nulls_add_node_tail_rcu(struct sock *sk, struct hlist_nulls_head *list)
+{
+       hlist_nulls_add_tail_rcu(&sk->sk_nulls_node, list);
+}
+
 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
 {
        sock_hold(sk);