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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 23 Jun 2014 16:12:41 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
cc:	Julia Lawall <Julia.Lawall@...6.fr>,
	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 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.

julia
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/