On Sun, May 07, 2023 at 06:25:25PM +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 (mostly) ignored
> 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.
>
> Trivially convert this driver from always returning zero in the remove
> callback to the void returning variant.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Acked-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Best regards,
Liviu
> ---
> drivers/gpu/drm/arm/hdlcd_drv.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
> index e3507dd6f82a..5e265c81a1b3 100644
> --- a/drivers/gpu/drm/arm/hdlcd_drv.c
> +++ b/drivers/gpu/drm/arm/hdlcd_drv.c
> @@ -369,10 +369,9 @@ static int hdlcd_probe(struct platform_device *pdev)
> match);
> }
>
> -static int hdlcd_remove(struct platform_device *pdev)
> +static void hdlcd_remove(struct platform_device *pdev)
> {
> component_master_del(&pdev->dev, &hdlcd_master_ops);
> - return 0;
> }
>
> static const struct of_device_id hdlcd_of_match[] = {
> @@ -401,7 +400,7 @@ static SIMPLE_DEV_PM_OPS(hdlcd_pm_ops, hdlcd_pm_suspend, hdlcd_pm_resume);
>
> static struct platform_driver hdlcd_platform_driver = {
> .probe = hdlcd_probe,
> - .remove = hdlcd_remove,
> + .remove_new = hdlcd_remove,
> .driver = {
> .name = "hdlcd",
> .pm = &hdlcd_pm_ops,
> --
> 2.39.2
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
