[TCP]: Fix double adjustment of tp->{lost,left}_out in tcp_fragment().

There is an extra left_out/lost_out adjustment in tcp_fragment which
means that the lost_out accounting is always wrong.  This patch removes
that chunk of code.

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

1 files changed, 0 insertions, 5 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 15e1134da1b2..c10e4435e3b1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -485,11 +485,6 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
         TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when;
         buff->tstamp = skb->tstamp;
 
-        if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
-                tp->lost_out -= tcp_skb_pcount(skb);
-                tp->left_out -= tcp_skb_pcount(skb);
-        }
-
         old_factor = tcp_skb_pcount(skb);
 
         /* Fix up tso_factor for both original and new SKB.  */