linux-kernel - Re: [PATCH 1/28] drivers/base/platform.c: Drop return value from platform

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Date:	Wed, 10 Dec 2008 17:37:42 -0500
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Vorobiev Dmitri" <dmitri.vorobiev@...ial.fi>
Cc:	"Julia Lawall" <julia@...u.dk>, gregkh@...e.de,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/28] drivers/base/platform.c: Drop return value from platform_driver remove functions

On Wed, Dec 10, 2008 at 17:18, Vorobiev Dmitri wrote:
>> On Wed, Dec 10, 2008 at 11:26, Julia Lawall wrote:
>>> The return value of the remove function of a driver structure, and thus
>>> of
>>> a platform_driver structure, is ultimately ignored, and is thus
>>> unnecessary.  The goal of this patch is to make it possible to convert
>>> the
>>> platform_driver functions stored in the remove field such that they
>>> return
>>> void.  This patch introduces a temporary field remove_new with return
>>> type
>>> void into the platform_driver structure, and updates the only place that
>>> the remove function is called to call the function in the remove_new
>>> field,
>>> if one is available.  The subsequent patches update some drivers to use
>>> the
>>> remove_new field.
>>
>> why bother with remove -> remove_new convention ?
>
> Please see this email for the background:
>
> http://lkml.org/lkml/2008/12/10/231
>
>>  you'll get a
>> warning in C about the assignment, but you wont get a build failure,
>
> ...unless you compile with -Werror, which frequently the case.

anyone crazy enough to build with -Werror is crazy enough to send in a fix ;)
-mike
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