netdev - Re: [PATCH net-next v2] tcp: avoid reducing cwnd when ACK+DSACK is received

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Date:	Mon, 12 Jan 2015 10:02:45 -0500
From:	Neal Cardwell <ncardwell@...gle.com>
To:	David Laight <David.Laight@...lab.com>
Cc:	Yuchung Cheng <ycheng@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Sébastien Barré <sebastien.barre@...ouvain.be>,
	David Miller <davem@...emloft.net>,
	Netdev <netdev@...r.kernel.org>,
	Gregory Detal <gregory.detal@...ouvain.be>,
	Nandita Dukkipati <nanditad@...gle.com>
Subject: Re: [PATCH net-next v2] tcp: avoid reducing cwnd when ACK+DSACK is received

On Mon, Jan 12, 2015 at 6:52 AM, David Laight <David.Laight@...lab.com> wrote:
>>         if (flag & FLAG_DSACKING_ACK) {
>>                 /* This DSACK means original and TLP probe arrived; no loss */
>>                 tp->tlp_high_seq = 0;
>
> I think I'd add a 'return' here.

What's the benefit of adding 'return' in those two spots? That adds
extra code to read, with no change in behavior, and no increase in
maintainability.

neal
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