From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH] atm: Cleanup redundant tests on unsigned
Date: Fri, 23 Oct 2009 18:08:30 +0200
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Cc: Chas Williams <chas@cmf.nrl.navy.mil>, netdev@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>
To: Roel Kluin <roel.kluin@gmail.com>
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Roel Kluin a =E9crit :
> The variables are unsigned so the `< 0' test always fails, the
> other part of the test catches wrapped values.
>=20
> Signed-off-by: Roel Kluin <roel.kluin@gmail.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 ?"