From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758699Ab2EIL7z (ORCPT ); Wed, 9 May 2012 07:59:55 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:36737 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757790Ab2EIL7y (ORCPT ); Wed, 9 May 2012 07:59:54 -0400 Date: Wed, 9 May 2012 12:59:52 +0100 From: Mark Brown To: Laxman Dewangan Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] regmap: fix possible memory corruption in regmap_bulk_read() Message-ID: <20120509115951.GO3955@opensource.wolfsonmicro.com> References: <1336564239-32004-1-git-send-email-ldewangan@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="aTCJOP0qgkSGqHWA" Content-Disposition: inline In-Reply-To: <1336564239-32004-1-git-send-email-ldewangan@nvidia.com> X-Cookie: You are fairminded, just and loving. User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --aTCJOP0qgkSGqHWA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, May 09, 2012 at 05:20:39PM +0530, Laxman Dewangan wrote: > The function regmap_bulk_read() calls the regmap_read() for > each register if set of register has volatile and cache is > enabled. In this case, last few register read makes the memory Looks like a good fix but can you please regenerate this against Linus' tree as the issue is also present there? --aTCJOP0qgkSGqHWA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJPqlvcAAoJEBus8iNuMP3dALEP/i/nk4wnvKP4DaxNgCdhrdff RPvCVRpXNLd3JD3GDMoqg8KtIIGKXsZQEwPQaE2zwNYtOBu5H+q7k5gj+0/9OyT8 uII7SbbGcr1mF8y7m35wCHJVAurBQSZr0Xc4L2uPA+UE4cWPD5EUmzEcHGBZFExt ThmnRYyCWLlqq2EgtLgMpWHc4NEtBLKky9FsoYpAm4BQsjjXa4iC1QhhoVSRLTU6 n0RufLBjaCAINYkjcVsVMeoGmAVsEnS3iu41OjPa6nyYenL6nwitGERywFSiFGja lphif8cElBGdr+ktFDgYDiwn2EO8s5x4LLn+RzCtpHGwy47G0PZHQPTKq/mH9ZZC aqnKnNtwpLKWlcGlmDswuF0vixQY1btInLjv8vEtNJefQDeL0V89TicdkzSTqrGH O/alPYY63KuoFB5QdHqHvhW+0Z3eZteIFon9lQBw1hRWMIxCeZk/OSsEAZ40023v qQzaRAj5NzIzHWCQfF5jRRorlX9s6sGT/IoyiFbEH6ImAbd2gx3mR5kgyM31G2Fp SlqQEU4twu0151fFSxkvoCT/uzave3lffwBpr8WctI8lZGp7opqoLrhluT7DdqmQ ytgtjR688+vFOw+ypHP4BvI8IZLqNPOQhKpe1yDTPYy6pGp8UVXjJ8xtP1GXycUf IMAC28PRuYNIQo7MXoN6 =m4Ci -----END PGP SIGNATURE----- --aTCJOP0qgkSGqHWA--