From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933590Ab0HXXDJ (ORCPT ); Tue, 24 Aug 2010 19:03:09 -0400 Received: from kroah.org ([198.145.64.141]:41246 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933563Ab0HXXDB (ORCPT ); Tue, 24 Aug 2010 19:03:01 -0400 X-Mailbox-Line: From gregkh@clark.site Tue Aug 24 15:45:07 2010 Message-Id: <20100824224507.670156962@clark.site> User-Agent: quilt/0.48-11.2 Date: Tue, 24 Aug 2010 15:45:19 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Marek Vasut , David Woodhouse Subject: [074/114] gen_nand: Test if nr_chips field is valid In-Reply-To: <20100824224610.GA5424@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.35-stable review patch. If anyone has any objections, please let us know. ------------------ From: Marek Vasut commit 01cd2ababddd55a127caa1cd20d570637e0d42e1 upstream. Signed-off-by: Marek Vasut Signed-off-by: David Woodhouse Signed-off-by: Greg Kroah-Hartman --- drivers/mtd/nand/plat_nand.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -37,6 +37,11 @@ static int __devinit plat_nand_probe(str struct resource *res; int err = 0; + if (pdata->chip.nr_chips < 1) { + dev_err(&pdev->dev, "invalid number of chips specified\n"); + return -EINVAL; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) return -ENXIO;