linux-kernel - Re: [PATCH] cdx: Convert to platform remove callback returning void

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Date: Sat, 13 Apr 2024 12:41:21 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Rob Herring <robh@...nel.org>, Puneet Gupta <puneet.gupta@....com>,
	Nipun Gupta <nipun.gupta@....com>, linux-kernel@...r.kernel.org,
	Abhijit Gangurde <abhijit.gangurde@....com>, kernel@...gutronix.de,
	Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@....com>
Subject: Re: [PATCH] cdx: Convert to platform remove callback returning void

On Sat, Apr 13, 2024 at 12:12:56PM +0200, Uwe Kleine-König wrote:
> Hello Greg,
> 
> On Fri, Mar 08, 2024 at 09:51:05AM +0100, Uwe Kleine-König wrote:
> > The .remove() callback for a platform driver returns an int which makes
> > many driver authors wrongly assume it's possible to do error handling by
> > returning an error code. However the value returned is ignored (apart
> > from emitting a warning) and this typically results in resource leaks.
> > 
> > To improve here there is a quest to make the remove callback return
> > void. In the first step of this quest all drivers are converted to
> > .remove_new(), which already returns void. Eventually after all drivers
> > are converted, .remove_new() will be renamed to .remove().
> > 
> > Trivially convert this driver from always returning zero in the remove
> > callback to the void returning variant.
> > 
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> 
> we just talked in irc about this thread that might have fell through the
> cracks on your side.
> 
> Thanks for reconsidering to apply it for v6.10-rc1,

Now applied, thanks.

greg k-h