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Date:	Mon, 12 Jan 2015 10:02:45 -0500
From:	Neal Cardwell <>
To:	David Laight <>
Cc:	Yuchung Cheng <>,
	Eric Dumazet <>,
	Sébastien Barré <>,
	David Miller <>,
	Netdev <>,
	Gregory Detal <>,
	Nandita Dukkipati <>
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 <> 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

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