netdev - Re: [PATCH net-next 04/10] net: pcs: rzn1-miic: Convert to platform remove callback returning void

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Message-ID: <CAMuHMdVpYMgTo4myqusSb=qhcMw-AWsMZ-M++E_Y25rMmN62JA@mail.gmail.com>
Date: Fri, 17 Nov 2023 11:46:03 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Clément Léger <clement.leger@...tlin.com>, 
	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>, 
	Russell King <linux@...linux.org.uk>, linux-renesas-soc@...r.kernel.org, 
	netdev@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH net-next 04/10] net: pcs: rzn1-miic: Convert to platform
 remove callback returning void

On Fri, Nov 17, 2023 at 11:00 AM Uwe Kleine-König
<u.kleine-koenig@...gutronix.de> 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: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds