1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f6d279a95f4b..6c7cd0a9098a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2488,7 +2488,7 @@ static int tcp_xmit_probe_skb(struct sock *sk, int urgent)
          * end to send an ack.  Don't queue or clone SKB, just
          * send it.
          */
-        TCP_SKB_CB(skb)->seq = urgent ? tp->snd_una : tp->snd_una - 1;
+        TCP_SKB_CB(skb)->seq = tp->snd_una - !urgent;
         TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(skb)->seq;
         TCP_SKB_CB(skb)->when = tcp_time_stamp;
         return tcp_transmit_skb(sk, skb, 0, GFP_ATOMIC);