Commit d0410051 authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by David S. Miller

[TCP]: SACK fastpath did override adjusted fackets_out

Do same adjustment to SACK fastpath counters provided that
they're valid.
Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 61cbc2fc
......@@ -699,6 +699,14 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
tp->fackets_out -= diff;
if ((int)tp->fackets_out < 0)
tp->fackets_out = 0;
/* SACK fastpath might overwrite it unless dealt with */
if (tp->fastpath_skb_hint != NULL &&
after(TCP_SKB_CB(tp->fastpath_skb_hint)->seq,
TCP_SKB_CB(skb)->seq)) {
tp->fastpath_cnt_hint -= diff;
if ((int)tp->fastpath_cnt_hint < 0)
tp->fastpath_cnt_hint = 0;
}
}
}
......
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