diff --git a/[refs] b/[refs]
index da6ea6331bf1..dbc591043ebc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63d886c96b2a580b1bf764de238ba3c63515b5ee
+refs/heads/master: 908a75c17a9e5a888347c2c1d3572203d1b1c7db
diff --git a/trunk/net/ipv4/tcp_output.c b/trunk/net/ipv4/tcp_output.c
index fd3ce38184ae..e041d057ec86 100644
--- a/trunk/net/ipv4/tcp_output.c
+++ b/trunk/net/ipv4/tcp_output.c
@@ -909,6 +909,9 @@ static int tcp_tso_should_defer(struct sock *sk, struct tcp_sock *tp, struct sk_
 	if (TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN)
 		return 0;
 
+	if (tp->ca_state != TCP_CA_Open)
+		return 0;
+
 	in_flight = tcp_packets_in_flight(tp);
 
 	BUG_ON(tcp_skb_pcount(skb) <= 1 ||