On 9/25/23 11:55, 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 <u.kleine-koenig@pengutronix.de>
> ---
> drivers/soc/xilinx/zynqmp_power.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c
> index c2c819701eec..9d27f850f491 100644
> --- a/drivers/soc/xilinx/zynqmp_power.c
> +++ b/drivers/soc/xilinx/zynqmp_power.c
> @@ -275,7 +275,7 @@ static int zynqmp_pm_probe(struct platform_device *pdev)
> return 0;
> }
>
> -static int zynqmp_pm_remove(struct platform_device *pdev)
> +static void zynqmp_pm_remove(struct platform_device *pdev)
> {
> sysfs_remove_file(&pdev->dev.kobj, &dev_attr_suspend_mode.attr);
> if (event_registered)
> @@ -283,8 +283,6 @@ static int zynqmp_pm_remove(struct platform_device *pdev)
>
> if (!rx_chan)
> mbox_free_channel(rx_chan);
> -
> - return 0;
> }
>
> static const struct of_device_id pm_of_match[] = {
> @@ -295,7 +293,7 @@ MODULE_DEVICE_TABLE(of, pm_of_match);
>
> static struct platform_driver zynqmp_pm_platform_driver = {
> .probe = zynqmp_pm_probe,
> - .remove = zynqmp_pm_remove,
> + .remove_new = zynqmp_pm_remove,
> .driver = {
> .name = "zynqmp_power",
> .of_match_table = pm_of_match,
Applied only this patch.
Thanks,
Michal