Re: [PATCH 1/28] drivers/base/platform.c: Drop return value from platform_driver remove functions

From: Mike Frysinger
Date: Wed Dec 10 2008 - 17:37:53 EST


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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/