netdev - Re: [PATCH net-next 05/10] net: sfp: Convert to platform remove callback returning void

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Message-ID: <ZVdcXf9/HVs+T6sW@shell.armlinux.org.uk>
Date: Fri, 17 Nov 2023 12:28:13 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.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, kernel@...gutronix.de
Subject: Re: [PATCH net-next 05/10] net: sfp: Convert to platform remove
 callback returning void

On Fri, Nov 17, 2023 at 10:59:28AM +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: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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