Hi Uwe,
On Mon, 25 Sep 2023 11:54:58 +0200
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> 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 <u.kleine-koenig@pengutronix.de>
> ---
> drivers/soc/fsl/qe/tsa.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c
> index 3646153117b3..3f9981335590 100644
> --- a/drivers/soc/fsl/qe/tsa.c
> +++ b/drivers/soc/fsl/qe/tsa.c
> @@ -706,7 +706,7 @@ static int tsa_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static int tsa_remove(struct platform_device *pdev)
> +static void tsa_remove(struct platform_device *pdev)
> {
> struct tsa *tsa = platform_get_drvdata(pdev);
> int i;
> @@ -729,7 +729,6 @@ static int tsa_remove(struct platform_device *pdev)
> clk_put(tsa->tdm[i].l1rclk_clk);
> }
> }
> - return 0;
> }
>
> static const struct of_device_id tsa_id_table[] = {
> @@ -744,7 +743,7 @@ static struct platform_driver tsa_driver = {
> .of_match_table = of_match_ptr(tsa_id_table),
> },
> .probe = tsa_probe,
> - .remove = tsa_remove,
> + .remove_new = tsa_remove,
> };
> module_platform_driver(tsa_driver);
>
Acked-by: Herve Codina <herve.codina@bootlin.com>
Best regards,
Hervé