From: John Heffner <jheffner@psc.edu>
Date: Wed, 14 Feb 2007 08:34:43 +0000 (+0100)
Subject: [TCP]: Don't apply FIN exception to full TSO segments.
X-Git-Tag: v2.6.16.41-rc1~7
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b455317374ac03ebc895723774d7b6359355a422;p=karo-tx-linux.git

[TCP]: Don't apply FIN exception to full TSO segments.

Signed-off-by: John Heffner <jheffner@psc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
---

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 310f2e610582..56aba0f0ba50 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -830,7 +830,8 @@ static inline unsigned int tcp_cwnd_test(struct tcp_sock *tp, struct sk_buff *sk
 	u32 in_flight, cwnd;
 
 	/* Don't be strict about the congestion window for the final FIN.  */
-	if (TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN)
+	if ((TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN) &&
+	    tcp_skb_pcount(skb) == 1)
 		return 1;
 
 	in_flight = tcp_packets_in_flight(tp);