Re: [PATCH] bus: Make remove callback return void

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On 06/07/2021 12:36, Lee Jones wrote:
> On Tue, 06 Jul 2021, 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.
>>
>> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
>> ---
>> Hello,
>>
>> this patch depends on "PCI: endpoint: Make struct pci_epf_driver::remove
>> return void" that is not yet applied, see
>> https://lore.kernel.org/r/20210223090757.57604-1-u.kleine-koenig@xxxxxxxxxxxxxx.
>>
>> I tested it using allmodconfig on amd64 and arm, but I wouldn't be
>> surprised if I still missed to convert a driver. So it would be great to
>> get this into next early after the merge window closes.
>>
>> I send this mail to all people that get_maintainer.pl emits for this
>> patch. I wonder how many recipents will refuse this mail because of the
>> long Cc: list :-)
>>
>> Best regards
>> Uwe
>>
>>  arch/arm/common/locomo.c                  | 3 +--
>>  arch/arm/common/sa1111.c                  | 4 +---
>>  arch/arm/mach-rpc/ecard.c                 | 4 +---
>>  arch/mips/sgi-ip22/ip22-gio.c             | 3 +--
>>  arch/parisc/kernel/drivers.c              | 5 ++---
>>  arch/powerpc/platforms/ps3/system-bus.c   | 3 +--
>>  arch/powerpc/platforms/pseries/ibmebus.c  | 3 +--
>>  arch/powerpc/platforms/pseries/vio.c      | 3 +--
>>  drivers/acpi/bus.c                        | 3 +--
>>  drivers/amba/bus.c                        | 4 +---
>>  drivers/base/auxiliary.c                  | 4 +---
>>  drivers/base/isa.c                        | 4 +---
>>  drivers/base/platform.c                   | 4 +---
>>  drivers/bcma/main.c                       | 6 ++----
>>  drivers/bus/sunxi-rsb.c                   | 4 +---
>>  drivers/cxl/core.c                        | 3 +--
>>  drivers/dax/bus.c                         | 4 +---
>>  drivers/dma/idxd/sysfs.c                  | 4 +---
>>  drivers/firewire/core-device.c            | 4 +---
>>  drivers/firmware/arm_scmi/bus.c           | 4 +---
>>  drivers/firmware/google/coreboot_table.c  | 4 +---
>>  drivers/fpga/dfl.c                        | 4 +---
>>  drivers/hid/hid-core.c                    | 4 +---
>>  drivers/hid/intel-ish-hid/ishtp/bus.c     | 4 +---
>>  drivers/hv/vmbus_drv.c                    | 5 +----
>>  drivers/hwtracing/intel_th/core.c         | 4 +---
>>  drivers/i2c/i2c-core-base.c               | 5 +----
>>  drivers/i3c/master.c                      | 4 +---
>>  drivers/input/gameport/gameport.c         | 3 +--
>>  drivers/input/serio/serio.c               | 3 +--
>>  drivers/ipack/ipack.c                     | 4 +---
>>  drivers/macintosh/macio_asic.c            | 4 +---
>>  drivers/mcb/mcb-core.c                    | 4 +---

Acked-by: Johannes Thumshirn <jth@xxxxxxxxxx> # for drivers/mcb




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