1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 47519205a014..0ad6ddf638a7 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -355,7 +355,8 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
                                     .fl_ip_sport = th->dest,
                                     .fl_ip_dport = th->source };
                 security_req_classify_flow(req, &fl);
-                if (ip_route_output_key(sock_net(sk), &rt, &fl)) {
+                rt = ip_route_output_key(sock_net(sk), &fl);
+                if (IS_ERR(rt)) {
                         reqsk_free(req);
                         goto out;
                 }