summary refs log tree commit diff
path: root/net
diff options
context:
space:
mode:
authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2007-06-15 12:58:38 +0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:47:54 -0700
commitaf610b4ca19f513a50d47ea93ed57241383c8081 (patch)
treeb7bc4e7f7969b10a2a8d3e3de7375f64df93dd4e /net
parentbdf1ee5d3bd38d0c44bd7baa74e07adcbe4ceab1 (diff)
downloadlinux-af610b4ca19f513a50d47ea93ed57241383c8081.tar.gz
[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')
-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);
 			}
 		}
 	}