netdev - Re: [PATCH net-next 8/9] net: dsa: rzn1_a5psw: Convert to platform remove callback returning void

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Message-ID: <CAMuHMdX2xEBGXrEMJP8Z-fyMGEppXEx2VDd2W1BqKu1DsXaeBQ@mail.gmail.com>
Date: Tue, 19 Sep 2023 09:05:52 +0200
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>, Florian Fainelli <f.fainelli@...il.com>, 
	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>, 
	linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org, 
	kernel@...gutronix.de
Subject: Re: [PATCH net-next 8/9] net: dsa: rzn1_a5psw: Convert to platform
 remove callback returning void

On Mon, Sep 18, 2023 at 9:22 PM 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() 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: 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