netdev - Re: [PATCH] tcp: call tcp_replace_ts_recent() from tcp

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Message-ID: <1366390793.16391.24.camel@edumazet-glaptop>
Date:	Fri, 19 Apr 2013 09:59:53 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Neal Cardwell <ncardwell@...gle.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Yuchung Cheng <ycheng@...gle.com>
Subject: Re: [PATCH] tcp: call tcp_replace_ts_recent() from tcp_ack()

On Fri, 2013-04-19 at 12:33 -0400, Neal Cardwell wrote:

> This patch looks good. But AFAICT the other call site for
> tcp_replace_ts_recent() has the same bug, which can be fixed in the
> same way: tcp_rcv_state_process() seems to fall through the big switch
> statement down to its call to tcp_replace_ts_recent() even in some
> cases where tcp_ack() already decided the ACK was unacceptable.

I was not sure of the second call site, and was willing to discuss this
with you and Yuchung.

Are you comfortable this is net material and not net-next ? (We are
talking of states other than ESTABLISHED)



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