Re: [PATCH v4 5/5] bus: Make remove callback return void

Wolfram Sang <wsa@xxxxxxxxxx> · Tue, 20 Jul 2021 22:25:42 +0200

On Tue, Jul 13, 2021 at 09:35:22PM +0200, Uwe Kleine-König 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@xxxxxxxxxxxxxxx> (For ARM, Amba and related parts)
> Acked-by: Mark Brown <broonie@xxxxxxxxxx>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx> (for sunxi-rsb)
> Acked-by: Pali Rohár <pali@xxxxxxxxxx>
> Acked-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> (for media)
> Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx> (For drivers/platform)
> Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>
> Acked-by: Juergen Gross <jgross@xxxxxxxx> (For xen)
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx> (For mfd)
> Acked-by: Johannes Thumshirn <jth@xxxxxxxxxx> (For mcb)
> Acked-by: Johan Hovold <johan@xxxxxxxxxx>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> (For slimbus)
> Acked-by: Kirti Wankhede <kwankhede@xxxxxxxxxx> (For vfio)
> Acked-by: Maximilian Luz <luzmaximilian@xxxxxxxxx>
> Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> (For ulpi and typec)
> Acked-by: Samuel Iglesias Gonsálvez <siglesias@xxxxxxxxxx> (For ipack)
> Reviewed-by: Tom Rix <trix@xxxxxxxxxx> (For fpga)
> Acked-by: Geoff Levand <geoff@xxxxxxxxxxxxx> (For ps3)
> Acked-by: Yehezkel Bernat <YehezkelShB@xxxxxxxxx> (For thunderbolt)
> Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> Acked-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> (For intel_th)
> Acked-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx> (For pcmcia)
> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> (For drivers/s390 and drivers/vfio)
> Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx> (For ACPI)
> Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> (rpmsg and apr)
> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> (For intel-ish-hid)
> Acked-by: Dan Williams <dan.j.williams@xxxxxxxxx> (For CXL, DAX, and NVDIMM)
> Acked-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx> (For isa)
> Acked-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx> (For firewire)
> Acked-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> (For hid)
> Acked-by: Thorsten Scherer <t.scherer@xxxxxxxxxxxx> (For siox)
> Acked-by: Sven Van Asbroeck <TheSven73@xxxxxxxxx> (For anybuss)
> Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> (For MMC)
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Acked-by: Wolfram Sang <wsa@xxxxxxxxxx> # for I2C

Thanks, Uwe!