From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: [PATCH] SCSI: fix the return type of the remove() method in sgiwd93.c Date: Wed, 03 Dec 2008 13:00:00 -0600 Message-ID: <1228330800.5551.58.camel@localhost.localdomain> References: <1227140357-29921-1-git-send-email-dmitri.vorobiev@movial.fi> <46353.88.114.226.209.1228321494.squirrel@webmail.movial.fi> <1228324123.5551.25.camel@localhost.localdomain> <1228327306.5551.36.camel@localhost.localdomain> <35647.88.114.226.209.1228329736.squirrel@webmail.movial.fi> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from accolon.hansenpartnership.com ([76.243.235.52]:58058 "EHLO accolon.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752667AbYLCS77 (ORCPT ); Wed, 3 Dec 2008 13:59:59 -0500 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Kay Sievers Cc: Vorobiev Dmitri , linux-scsi@vger.kernel.org, linux-mips@linux-mips.org, Greg KH On Wed, 2008-12-03 at 19:51 +0100, Kay Sievers wrote: > On Wed, Dec 3, 2008 at 19:42, Vorobiev Dmitri wrote: > >> On Wed, 2008-12-03 at 18:52 +0100, Kay Sievers wrote: > >>> On Wed, Dec 3, 2008 at 18:08, James Bottomley > >>> wrote: > >>> > On Wed, 2008-12-03 at 18:24 +0200, Vorobiev Dmitri wrote: > >>> >> > This patch fixes the following compilation warning: > >>> >> > > >>> >> > CC [M] drivers/scsi/sgiwd93.o > >>> >> > drivers/scsi/sgiwd93.c:314: warning: initialization from > >>> incompatible > >>> >> > pointer type > >>> >> > >>> >> Any news about this one? I think this patch should go via linux-scsi, > >>> >> unless you would be insisting on pushing it via linux-mips, in which > >>> case > >>> >> I'll politely bug Ralf about it. :) > >>> > > >>> > Looks OK for the local change. > >>> > > >>> > Globally, having driver->remove and platform_driver->remove return int > >>> > instead of void looks wrong. Particularly when the only use cases are > >>> > in drivers/base/ and they all ignore the return code. > >>> > > >>> > Greg and Kay ... shouldn't we simply redefine the return values for > >>> the > >>> > remove methods in these structures to return void (and thus match the > >>> > use case)? > >>> > >>> Aren't there many many drivers across the tree, using the "int remove" > >>> version? > >> > >> Yes ... since it's a function prototype. > >> > >> However, if drivers/base simply discards the return, it's a trap we > >> shouldn't be setting. > > > > Hmmm, it does look like the return value is discarded, please see > > drivers/base/dd.c::__device_release_driver() for details. > > > > Does this not deserve a good cleanup? > > Sure, it might be. If you want to patch hundreds of files, send > patches to maintainers, patch drivers you can not even compile, we > could do that. > > We are already in the middle of a ~400 files "struct device" bus_id > conversion, and only very few maintainers respond to these patches. We > also never got any reply to the SCSI bus_id patch we sent weeks ago. > :) When did you send it? Searching the scsi archives on bus_id produces no results, what was the subject line? James