1 files changed, 1 insertions, 0 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 677419d0c9ad..3e98b57578dc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2239,6 +2239,7 @@ static int tcp_ack_update_window(struct sock *sk, struct tcp_sock *tp,
                         /* Note, it is the only place, where
                          * fast path is recovered for sending TCP.
                          */
+                        tp->pred_flags = 0;
                         tcp_fast_path_check(sk, tp);
 
                         if (nwin > tp->max_window) {