netdev - Re: [PATCH] atm: Cleanup redundant tests on unsigned

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Message-ID: <4AE1D4FE.5090902@gmail.com>
Date:	Fri, 23 Oct 2009 18:08:30 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Roel Kluin <roel.kluin@...il.com>
CC:	Chas Williams <chas@....nrl.navy.mil>, netdev@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] atm: Cleanup redundant tests on unsigned

Roel Kluin a écrit :
> The variables are unsigned so the `< 0' test always fails, the
> other part of the test catches wrapped values.
> 
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---

I believe such patches were posted in the past.

General consensus is that compiler is able to do this optimization for us,
and reader doesnt have to ask to himself : "Is the test safe enough ?"

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