netdev - Re: [PATCH net-next v2 8/8] net: ucc_geth: Convert to platform remove callback returning void

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Date: Wed, 7 Jun 2023 16:36:59 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Li Yang <leoyang.li@....com>, "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	kernel@...gutronix.de, Michal Kubiak <michal.kubiak@...el.com>
Subject: Re: [PATCH net-next v2 8/8] net: ucc_geth: Convert to platform
 remove callback returning void

On Tue, Jun 06, 2023 at 06:28:29PM +0200, 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 (mostly) ignored
> 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.
> 
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
> 
> Reviewed-by: Michal Kubiak <michal.kubiak@...el.com>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Reviewed-by: Simon Horman <simon.horman@...igine.com>