netdev - [PATCH RFC] Only parse time stamp TCP option in time wait sock

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Message-Id: <1256052161-14156-2-git-send-email-gilad@codefidence.com>
Date:	Tue, 20 Oct 2009 17:22:34 +0200
From:	Gilad Ben-Yossef <gilad@...efidence.com>
To:	netdev@...r.kernel.org
Cc:	ori@...sleep.com, Gilad Ben-Yossef <gilad@...efidence.com>,
	Yony Amit <yony@...sleep.com>
Subject: [PATCH RFC] Only parse time stamp TCP option in time wait sock

A time wait socket is established - we already know if time stamp
option is called for or not.

Signed-off-by: Gilad Ben-Yossef <gilad@...efidence.com>
Signed-off-by: Ori Finkelman <ori@...sleep.com>
Signed-off-by: Yony Amit <yony@...sleep.com>

---
 net/ipv4/tcp_minisocks.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 624c3c9..c49a550 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -100,9 +100,8 @@ tcp_timewait_state_process(struct inet_timewait_sock *tw, struct sk_buff *skb,
 	struct tcp_options_received tmp_opt;
 	int paws_reject = 0;
 
-	tmp_opt.saw_tstamp = 0;
 	if (th->doff > (sizeof(*th) >> 2) && tcptw->tw_ts_recent_stamp) {
-		tcp_parse_options(skb, &tmp_opt, 0);
+		tcp_parse_options(skb, &tmp_opt, 1);
 
 		if (tmp_opt.saw_tstamp) {
 			tmp_opt.ts_recent	= tcptw->tw_ts_recent;
-- 
1.5.6.3

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