From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f177.google.com (mail-pd0-f177.google.com [209.85.192.177]) by kanga.kvack.org (Postfix) with ESMTP id AB97F6B0038 for ; Wed, 24 Jun 2015 23:23:49 -0400 (EDT) Received: by pdbep18 with SMTP id ep18so21843006pdb.1 for ; Wed, 24 Jun 2015 20:23:49 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id u3si18155180pds.41.2015.06.24.20.23.48 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Jun 2015 20:23:48 -0700 (PDT) Date: Wed, 24 Jun 2015 20:23:41 -0700 From: Darren Hart Subject: Re: [PATCH] dell-laptop: Fix allocating & freeing SMI buffer page Message-ID: <20150625032341.GA18285@vmdeb7> References: <1434876063-13460-1-git-send-email-pali.rohar@gmail.com> <1435047079-949-1-git-send-email-pali.rohar@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1435047079-949-1-git-send-email-pali.rohar@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Pali =?iso-8859-1?Q?Roh=E1r?= Cc: Matthew Garrett , Michal Hocko , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org On Tue, Jun 23, 2015 at 10:11:19AM +0200, Pali Rohar wrote: > This commit fix kernel crash when probing for rfkill devices in dell-laptop > driver failed. Function free_page() was incorrectly used on struct page * > instead of virtual address of SMI buffer. > > This commit also simplify allocating page for SMI buffer by using > __get_free_page() function instead of sequential call of functions > alloc_page() and page_address(). > > Signed-off-by: Pali Rohar > Acked-by: Michal Hocko > Cc: stable@vger.kernel.org Queued, thanks Pali. -- Darren Hart Intel Open Source Technology Center -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org