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

- From: Kirti Wankhede \<kwankhede@nvidia.com\>
- Date: 2021-07-06 11:23:16 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2021/07/1433976
- Thread: https://ratatoskr.run/linux-mips/2021/07/1433834/t.md

```text


On 7/6/2021 3:20 PM, 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 <redacted>


>   drivers/vfio/mdev/mdev_driver.c           | 4 +---

Acked-by: Kirti Wankhede <kwankhede@nvidia.com>

```