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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2007-06-15 13:58:38 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-11 03:47:54 +0400
commitaf610b4ca19f513a50d47ea93ed57241383c8081 (patch)
treeb7bc4e7f7969b10a2a8d3e3de7375f64df93dd4e /net/ipv4/tcp_output.c
parentbdf1ee5d3bd38d0c44bd7baa74e07adcbe4ceab1 (diff)
downloadlinux-af610b4ca19f513a50d47ea93ed57241383c8081.tar.xz
[TCP]: Add tcp_dec_pcount_approx int variant
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 3abe22e4b576..3c8c8e7f6f6d 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -740,22 +740,16 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
if (diff > 0) {
/* Adjust Reno SACK estimate. */
if (!tp->rx_opt.sack_ok) {
- tp->sacked_out -= diff;
- if ((int)tp->sacked_out < 0)
- tp->sacked_out = 0;
+ tcp_dec_pcount_approx_int(&tp->sacked_out, diff);
tcp_sync_left_out(tp);
}
- tp->fackets_out -= diff;
- if ((int)tp->fackets_out < 0)
- tp->fackets_out = 0;
+ tcp_dec_pcount_approx_int(&tp->fackets_out, diff);
/* 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;
+ tcp_dec_pcount_approx_int(&tp->fastpath_cnt_hint, diff);
}
}
}