Message-ID: <87r1gbfmqa.fsf@redhat.com>
Date:   Tue, 06 Jul 2021 18:09:17 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Uwe Kleine-König 
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        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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Subject: Re: [PATCH v2 4/4] bus: Make remove callback return void

On Tue, Jul 06 2021, 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.
>
> Acked-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk> (For ARM, Amba and related parts)
> Acked-by: Mark Brown <broonie@...nel.org>
> Acked-by: Chen-Yu Tsai <wens@...e.org> (for drivers/bus/sunxi-rsb.c)
> Acked-by: Pali Rohár <pali@...nel.org>
> Acked-by: Mauro Carvalho Chehab <mchehab@...nel.org> (for drivers/media)
> Acked-by: Hans de Goede <hdegoede@...hat.com> (For drivers/platform)
> Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Acked-By: Vinod Koul <vkoul@...nel.org>
> Acked-by: Juergen Gross <jgross@...e.com> (For Xen)
> Acked-by: Lee Jones <lee.jones@...aro.org> (For drivers/mfd)
> Acked-by: Johannes Thumshirn <jth@...nel.org> (For drivers/mcb)
> Acked-by: Johan Hovold <johan@...nel.org>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org> (For drivers/slimbus)
> Acked-by: Kirti Wankhede <kwankhede@...dia.com> (For drivers/vfio)
> Acked-by: Maximilian Luz <luzmaximilian@...il.com>
> Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com> (For ulpi and typec)
> Acked-by: Samuel Iglesias Gonsálvez <siglesias@...lia.com> (For ipack)
> Reviewed-by: Tom Rix <trix@...hat.com> (For fpga)
> Acked-by: Geoff Levand <geoff@...radead.org> (For ps3)
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> ---
>
>  drivers/s390/cio/ccwgroup.c               | 4 +---
>  drivers/s390/cio/css.c                    | 4 +---
>  drivers/s390/cio/device.c                 | 4 +---
>  drivers/s390/cio/scm.c                    | 4 +---
>  drivers/s390/crypto/ap_bus.c              | 4 +---
>  drivers/vfio/mdev/mdev_driver.c           | 4 +---

For drivers/s390 and drivers/vfio:

Reviewed-by: Cornelia Huck <cohuck@...hat.com>

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