On Fri, Mar 03, 2023 at 10:36:57PM +0100, 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>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/ie6xx_wdt.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/watchdog/ie6xx_wdt.c b/drivers/watchdog/ie6xx_wdt.c
> index 8f28993fab8b..e5cbb409df25 100644
> --- a/drivers/watchdog/ie6xx_wdt.c
> +++ b/drivers/watchdog/ie6xx_wdt.c
> @@ -266,7 +266,7 @@ static int ie6xx_wdt_probe(struct platform_device *pdev)
> return ret;
> }
>
> -static int ie6xx_wdt_remove(struct platform_device *pdev)
> +static void ie6xx_wdt_remove(struct platform_device *pdev)
> {
> struct resource *res;
>
> @@ -276,13 +276,11 @@ static int ie6xx_wdt_remove(struct platform_device *pdev)
> ie6xx_wdt_debugfs_exit();
> release_region(res->start, resource_size(res));
> ie6xx_wdt_data.sch_wdtba = 0;
> -
> - return 0;
> }
>
> static struct platform_driver ie6xx_wdt_driver = {
> .probe = ie6xx_wdt_probe,
> - .remove = ie6xx_wdt_remove,
> + .remove_new = ie6xx_wdt_remove,
> .driver = {
> .name = DRIVER_NAME,
> },
> --
> 2.39.1
>
