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tcp: fix mid-wq adjustment helper

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Just noticed while doing some new work that the recent
mid-wq adjustment logic will misbehave when FACK is not
in use (happens either due sysctl'ed off or auto-detected
reordering) because I forgot the relevant TCPCB tagbit.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2009-04-18 05:48:48 +00:00 committed by David S. Miller
parent 8caf153974
commit 52cf3cc8ac
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_output.c
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@ -778,7 +778,7 @@ static void tcp_adjust_pcount(struct sock *sk, struct sk_buff *skb, int decr)
if (tp->lost_skb_hint &&
before(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(tp->lost_skb_hint)->seq) &&
(tcp_is_fack(tp) || TCP_SKB_CB(skb)->sacked))
(tcp_is_fack(tp) || (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)))
tp->lost_cnt_hint -= decr;
tcp_verify_left_out(tp);