1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index dd945b114215..5d203248123e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1911,7 +1911,7 @@ void tcp_v4_destroy_sock(struct sock *sk)
         /* Clean up the MD5 key list, if any */
         if (tp->md5sig_info) {
                 tcp_clear_md5_list(sk);
-                kfree_rcu(tp->md5sig_info, rcu);
+                kfree_rcu(rcu_dereference_protected(tp->md5sig_info, 1), rcu);
                 tp->md5sig_info = NULL;
         }
 #endif