netdev - Re: [PATCH net-next 1/9] net: dsa: b53: Convert to platform remove callback returning void

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Message-ID: <72cd2ae3-c49e-daad-7ba7-a6e90f72c8f7@broadcom.com>
Date: Mon, 18 Sep 2023 12:26:10 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.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 1/9] net: dsa: b53: 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 these drivers 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

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