Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

[thirdparty/kernel/linux.git] / net / ipv6 / syncookies.c

diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 6d8286c299c9d139938ef6751d9958c80d3031e9..bfad1e89b6a6bb99c28b9ef14c142a6c4aeae54b 100644 (file)
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -246,7 +246,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
                }
        }
 
-       req->rsk_window_clamp = tp->window_clamp ? :dst_metric(dst, RTAX_WINDOW);
+       req->rsk_window_clamp = READ_ONCE(tp->window_clamp) ? :dst_metric(dst, RTAX_WINDOW);
        /* limit the window selection if the user enforce a smaller rx buffer */
        full_space = tcp_full_space(sk);
        if (sk->sk_userlocks & SOCK_RCVBUF_LOCK &&