netdev - Re: [PATCH next] atm: fore200e: Convert to platform remove callback returning void

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Message-ID: <20240307134215.GA576211@kernel.org>
Date: Thu, 7 Mar 2024 13:42:15 +0000
From: Simon Horman <horms@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Chas Williams <3chas3@...il.com>,
	linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH next] atm: fore200e: Convert to platform remove callback
 returning void

On Wed, Mar 06, 2024 at 10:23:44PM +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>

Reviewed-by: Simon Horman <horms@...nel.org>