Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761479AbXK1QKB (ORCPT ); Wed, 28 Nov 2007 11:10:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759338AbXK1QJx (ORCPT ); Wed, 28 Nov 2007 11:09:53 -0500 Received: from mtagate1.de.ibm.com ([195.212.29.150]:32367 "EHLO mtagate1.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759192AbXK1QJw (ORCPT ); Wed, 28 Nov 2007 11:09:52 -0500 Date: Wed, 28 Nov 2007 17:09:50 +0100 From: Cornelia Huck To: Kay Sievers Cc: Greg KH , linux-kernel@vger.kernel.org, Alan Stern , Jonathan Corbet , Randy Dunlap Subject: Re: [RFC] New kobject/kset/ktype documentation and example code Message-ID: <20071128170950.29c8c7e7@gondolin.boeblingen.de.ibm.com> In-Reply-To: <1196265787.3242.65.camel@lov.site> References: <20071127230252.GB10038@kroah.com> <20071128100108.45fcbf15@gondolin.boeblingen.de.ibm.com> <1196253354.3242.40.camel@lov.site> <20071128165205.30ef426f@gondolin.boeblingen.de.ibm.com> <1196265787.3242.65.camel@lov.site> Organization: IBM Deutschland Entwicklung GmbH Vorsitzender des Aufsichtsrats: Martin Jetter =?ISO-8859-15?Q?Gesch=E4ftsf=FChrung:?= Herbert Kircher Sitz der Gesellschaft: =?ISO-8859-15?Q?B=F6blingen?= Registergericht: Amtsgericht Stuttgart, HRB 243294 X-Mailer: Claws Mail 3.1.0 (GTK+ 2.12.1; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1556 Lines: 34 On Wed, 28 Nov 2007 17:03:07 +0100, Kay Sievers wrote: > On Wed, 2007-11-28 at 16:52 +0100, Cornelia Huck wrote: > > On Wed, 28 Nov 2007 13:35:54 +0100, > > Kay Sievers wrote: > > > > > On Wed, 2007-11-28 at 10:01 +0100, Cornelia Huck wrote: > > > > On Tue, 27 Nov 2007 15:02:52 -0800, Greg KH wrote: > > > > > > > > Among other things, kobject_init() sets the kobject's reference count to > > > > > one. Calling kobject_init() is not sufficient, however. Kobject users > > > > > must, at a minimum, set the name of the kobject; this is the name that will > > > > > be used in sysfs entries. > > > > > > > > Unless they don't register their kobject. (But they should always set a > > > > name anyway to avoid funny debug messages, so it is probably a good > > > > idea to call this a "must"). > > > > > > Yeah, we should require it. And kobject_cleanup() needs to be called to > > > free the allocated name, if the object is not already added and needs to > > > be deleted (common in rewinding on error). > > > > Always using kobject_put() should take care of that. > > Ok, so we can always require a kobject_put() after a kobject_init(), to > cleanup what happened after _init() and before _add()? That's a sensible requirement, I think. - 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/