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From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 12 Mar 2024 09:16:18 +0100
Message-ID: <CAMuHMdU+fNUDOq95pA+kEnsyeTALT+xEYvOM0K=Y24H050zrFA@mail.gmail.com>
Subject: Re: [PATCH 2/3] auxdisplay: hd44780: Convert to platform remove
 callback returning void
To: =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Cc: Andy Shevchenko <andy@kernel.org>, linux-kernel@vger.kernel.org, kernel@pengutronix.de
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On Mon, Mar 11, 2024 at 10:59=E2=80=AFPM Uwe Kleine-K=C3=B6nig
<u.kleine-koenig@pengutronix.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-K=C3=B6nig <u.kleine-koenig@pengutronix.de>

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

--=20
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k=
org

In personal conversations with technical people, I call myself a hacker. Bu=
t
when I'm talking to journalists I just say "programmer" or something like t=
hat.
                                -- Linus Torvalds