Dne četrtek, 13. julij 2023 ob 10:07:10 CEST je Yangtao Li napisal(a):
> 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.
>
> Cc: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
Acked-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
Best regards,
Jernej
> ---
> drivers/mmc/host/sunxi-mmc.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 69dcb8805e05..d3bd0ac99ec4 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1486,7 +1486,7 @@ static int sunxi_mmc_probe(struct platform_device
> *pdev) return ret;
> }
>
> -static int sunxi_mmc_remove(struct platform_device *pdev)
> +static void sunxi_mmc_remove(struct platform_device *pdev)
> {
> struct mmc_host *mmc = platform_get_drvdata(pdev);
> struct sunxi_mmc_host *host = mmc_priv(mmc);
> @@ -1499,8 +1499,6 @@ static int sunxi_mmc_remove(struct platform_device
> *pdev) }
> dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host-
>sg_dma);
> mmc_free_host(mmc);
> -
> - return 0;
> }
>
> #ifdef CONFIG_PM
> @@ -1556,7 +1554,7 @@ static struct platform_driver sunxi_mmc_driver = {
> .pm = &sunxi_mmc_pm_ops,
> },
> .probe = sunxi_mmc_probe,
> - .remove = sunxi_mmc_remove,
> + .remove_new = sunxi_mmc_remove,
> };
> module_platform_driver(sunxi_mmc_driver);
