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[TCP]: Add unlikely() to sacktag out-of-mem in fragment case
author
Ilpo Järvinen
<ilpo.jarvinen@helsinki.fi>
Sun, 11 Nov 2007 05:23:08 +0000
(21:23 -0800)
committer
David S. Miller
<davem@davemloft.net>
Sun, 11 Nov 2007 05:23:08 +0000
(21:23 -0800)
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c
patch
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diff --git
a/net/ipv4/tcp_input.c
b/net/ipv4/tcp_input.c
index
9fc9096
..
84bcdc9
100644
(file)
--- a/
net/ipv4/tcp_input.c
+++ b/
net/ipv4/tcp_input.c
@@
-1400,7
+1400,7
@@
tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
/* DSACK info lost if out-of-mem, try SACK still */
if (in_sack <= 0)
in_sack = tcp_match_skb_to_sack(sk, skb, start_seq, end_seq);
- if (
in_sack < 0
)
+ if (
unlikely(in_sack < 0)
)
break;
sacked = TCP_SKB_CB(skb)->sacked;