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-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 67f10d3ec240..fc445833b5e5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5827,6 +5827,8 @@ void tcp_rcv_established(struct sock *sk, struct sk_buff *skb)
tcp_data_snd_check(sk);
if (!inet_csk_ack_scheduled(sk))
goto no_ack;
+ } else {
+ tcp_update_wl(tp, TCP_SKB_CB(skb)->seq);
}
__tcp_ack_snd_check(sk, 0);