# Re: \[PATCH 52/52\] input: wm97xx-core - Convert to platform remove callback returning void

- From: Charles Keepax \<ckeepax@opensource.cirrus.com\>
- Date: 2023-09-20 14:24:58 
- List: linux-input
- Page: https://ratatoskr.run/linux-input/2023/09/8935756
- Thread: https://ratatoskr.run/linux-input/2023/09/8295655/t.md

```text
On Wed, Sep 20, 2023 at 02:58:29PM +0200, Uwe Kleine-König wrote:
> The .remove() callback for a platform driver returns an int which makes
> many driver authors wrongly assume it's possible to do error handling by
> returning an error code. However the value returned is ignored (apart
> from emitting a warning) and this typically results in resource leaks.
> To improve here there is a quest to make the remove callback return
> void. In the first step of this quest all drivers are converted to
> .remove_new() which already returns void. Eventually after all drivers
> are converted, .remove_new() will be renamed to .remove().
> 
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
> 
> Signed-off-by: Uwe Kleine-König <redacted>
> ---

Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>

Thanks,
Charles
```