From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 8 Sep 2005 22:10:52 +0000 (-0700)
Subject: [TCP]: Fix off by one in tcp_fragment() "already sent" test.
X-Git-Tag: v2.6.14-rc1~492^2~22^2~1
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf0b450cd5176b68ac7d5bbe68aeae6bb6a5a4b8;p=linux-2.6

[TCP]: Fix off by one in tcp_fragment() "already sent" test.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6094db5e11..15e1134da1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -499,7 +499,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
 	/* If this packet has been sent out already, we must
 	 * adjust the various packet counters.
 	 */
-	if (after(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
+	if (!before(tp->snd_nxt, TCP_SKB_CB(buff)->end_seq)) {
 		int diff = old_factor - tcp_skb_pcount(skb) -
 			tcp_skb_pcount(buff);