linux-kernel - Re: [PATCH 4/28] drivers/ide: Drop return value from platform

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Date:	Wed, 17 Dec 2008 13:32:26 -0800
From:	Greg KH <greg@...ah.com>
To:	Dmitri Vorobiev <dmitri.vorobiev@...ial.fi>
Cc:	Ben Dooks <ben-linux@...ff.org>, Julia Lawall <julia@...u.dk>,
	khali@...ux-fr.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 4/28] drivers/ide: Drop return value from
	platform_driver remove functions

On Wed, Dec 17, 2008 at 02:49:46PM +0200, Dmitri Vorobiev wrote:
> Ben Dooks wrote:
> > On Wed, Dec 10, 2008 at 05:27:56PM +0100, Julia Lawall wrote:
> >> From: Julia Lawall <julia@...u.dk>
> >>
> >> 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.  This patch removes the return value for the remove function
> >> stored in a platform_driver structure.
> >>
> >> For the files drivers/i2c/busses/i2c-at91.c and
> >> drivers/i2c/busses/i2c-mv64xxx.c, the original return value was the value
> >> of a variable storing the result of calling i2c_del_adapter.  I have thus
> >> also deleted the declaration and initialization of this variable.  For the
> >> other files, the return values were always 0.
> >>
> >> A simplified version of the semantic patch that makes this change is as
> >> follows: (http://www.emn.fr/x-info/coccinelle/)
> > 
> > I take it remove_new will eventually be renamed to remove once all
> > the changes have been made?
> > 
> > Unless there are any objections I'll add this to the merge list for
> > the next window.
> 
> Please be careful since the drivers/base/ part has not been applied
> yet, so I'm Cc:ing Greg now for his opinion.

The more I think about it, the more I think it should not be changed,
sorry.  We should leave the return value and do something based on the
value of it if we can.

thanks,

greg k-h
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