Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752667AbZG0SJz (ORCPT ); Mon, 27 Jul 2009 14:09:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750756AbZG0SJz (ORCPT ); Mon, 27 Jul 2009 14:09:55 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52193 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750737AbZG0SJy (ORCPT ); Mon, 27 Jul 2009 14:09:54 -0400 Date: Mon, 27 Jul 2009 10:48:52 -0700 From: Greg KH To: Mike Frysinger Cc: damm@igel.co.jp, linux-kernel@vger.kernel.org Subject: Re: early platform drivers vs resource lookup by name Message-ID: <20090727174852.GA3137@suse.de> References: <8bd0f97a0907262320y3c5c3505h5d47d5c51025a536@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8bd0f97a0907262320y3c5c3505h5d47d5c51025a536@mail.gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1211 Lines: 32 On Mon, Jul 27, 2009 at 02:20:06AM -0400, Mike Frysinger wrote: > ive been toying with the new early platform driver framework and > noticed a not-so-friendly feature wrt resource handling. the > platform_device_add() function will take care of making sure that > every resource's name field is not NULL: > int platform_device_add(struct platform_device *pdev) > { > ... > if (r->name == NULL) > r->name = dev_name(&pdev->dev); > ... > > unfortunately, the early_platform_add_devices() function does not have > similar code. this leads to NULL pointer crashes if you attempt to > use any of the "byname" resource functions (e.g. > platform_get_resource_byname) and the resources in question arent > fully named. > > is the simple fix here to add a resource loop to > early_platform_add_devices() that makes sure all the name fields are > non-NULL ? I really do not know, what do you think would resolve this best for you? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/