From cf0b450cd5176b68ac7d5bbe68aeae6bb6a5a4b8 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 8 Sep 2005 15:10:52 -0700
Subject: [PATCH] [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>
---
net/ipv4/tcp_output.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6094db5e11b..15e1134da1b 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);
--
2.41.3