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Message-ID: <CAMuHMdW8r6u4O5zv2ee-3=jPP6qwnOSHdSzf8pPE_y=jY3Bn5A@mail.gmail.com>
Date: Wed, 14 Jul 2021 10:44:06 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Sascha Hauer <kernel@...gutronix.de>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Alexandre Bounine <alex.bou9@...il.com>,
Alex Dubov <oakad@...oo.com>, Alex Elder <elder@...nel.org>,
Alex Williamson <alex.williamson@...hat.com>,
Alison Schofield <alison.schofield@...el.com>,
Allen Hubbe <allenbh@...il.com>,
Andreas Noever <andreas.noever@...il.com>,
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Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
Ben Widawsky <ben.widawsky@...el.com>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Bodo Stroesser <bostroesser@...il.com>,
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Chen-Yu Tsai <wens@...e.org>,
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Cornelia Huck <cohuck@...hat.com>,
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"David S. Miller" <davem@...emloft.net>,
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Dexuan Cui <decui@...rosoft.com>,
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Frank Li <lznuaa@...il.com>,
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Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
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Johannes Thumshirn <jth@...nel.org>,
"Rafael J . Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v4 5/5] bus: Make remove callback return void
On Tue, Jul 13, 2021 at 9:35 PM Uwe Kleine-König
<u.kleine-koenig@...gutronix.de> wrote:
> The driver core ignores the return value of this callback because there
> is only little it can do when a device disappears.
>
> This is the final bit of a long lasting cleanup quest where several
> buses were converted to also return void from their remove callback.
> Additionally some resource leaks were fixed that were caused by drivers
> returning an error code in the expectation that the driver won't go
> away.
>
> With struct bus_type::remove returning void it's prevented that newly
> implemented buses return an ignored error code and so don't anticipate
> wrong expectations for driver authors.
> drivers/zorro/zorro-driver.c | 3 +--
Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
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
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