[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 6094db5e11be..15e1134da1b2 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);