linux-kernel - Re: [PATCH 3/10] video: use safer test on the result of find_first_zero

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Message-ID: <53A92F15.9010702@ti.com>
Date:	Tue, 24 Jun 2014 10:56:05 +0300
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Julia Lawall <julia.lawall@...6.fr>
CC:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	<kernel-janitors@...r.kernel.org>, <linux-fbdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/10] video: use safer test on the result of find_first_zero_bit

On 23/06/14 17:12, Julia Lawall wrote:
> On Mon, 23 Jun 2014, Tomi Valkeinen wrote:
> 
>> On 04/06/14 12:07, Julia Lawall wrote:
>>> From: Julia Lawall <Julia.Lawall@...6.fr>
>>>
>>> Find_first_zero_bit considers BITS_PER_LONG bits at a time, and thus may
>>> return a larger number than the maximum position argument if that position
>>> is not a multiple of BITS_PER_LONG.
>>
>> Thanks, queued for 3.17.
> 
> No, sorry you can drop it.  It doesn't hurt anything, but it is not
> necessary either.  Returning a larger number is actually not possible.

Ok, dropped.

 Tomi



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