netdev - Re: [PATCH net-next 3/9] net: dsa: hirschmann: Convert to platform remove callback returning void

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Message-ID: <a4a0e811-ac02-0523-4adb-1ec75af05571@gmail.com>
Date: Mon, 18 Sep 2023 13:51:38 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
 Kurt Kanzenbach <kurt@...utronix.de>, Andrew Lunn <andrew@...n.ch>,
 Vladimir Oltean <olteanv@...il.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH net-next 3/9] net: dsa: hirschmann: Convert to platform
 remove callback returning void

On 9/18/23 12:19, 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() is 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: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian