netdev - [PATCH 3/4] [TCP]: Add unlikely() to sacktag out-of-mem in fragment case

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Message-Id: <11946921622225-git-send-email-ilpo.jarvinen@helsinki.fi>
Date:	Sat, 10 Nov 2007 12:56:01 +0200
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 3/4] [TCP]: Add unlikely() to sacktag out-of-mem in fragment case

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
---
 net/ipv4/tcp_input.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 9fc9096..84bcdc9 100644
--- 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;
-- 
1.5.0.6

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