linux-kernel - Re: [patch -next] x86, microcode, AMD: signedness bug in generic_load

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Message-ID: <20110218093957.GA29723@aftab>
Date:	Fri, 18 Feb 2011 10:39:57 +0100
From:	Borislav Petkov <borislav.petkov@....com>
To:	Dan Carpenter <error27@...il.com>, Ingo Molnar <mingo@...hat.com>
CC:	Andreas Herrmann <andreas.herrmann3@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"maintainer:X86 ARCHITECTURE..." <x86@...nel.org>,
	"open list:AMD MICROCODE UPD..." <amd64-microcode@...64.org>,
	open list <linux-kernel@...r.kernel.org>,
	<kernel-janitors@...r.kernel.org>
Subject: Re: [patch -next] x86, microcode, AMD: signedness bug in
 generic_load_microcode()

On Fri, Feb 18, 2011 at 04:17:16AM -0500, Dan Carpenter wrote:
> install_equiv_cpu_table() returns type int.  It uses negative error
> codes so using an unsigned type breaks the error handling.
> 
> Signed-off-by: Dan Carpenter <error27@...il.com>

Yes, my bad, sorry.

Acked-by: Borislav Petkov <borislav.petkov@....com>

Ingo, this should go ontop of tip/x86/microcode please, for it fixes
10de52d6655e ("x86, microcode, AMD: Simplify install_equiv_cpu_table").

Thanks a bunch.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

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