From: Uwe Kleine-König Date: Sun, 26 Mar 2023 14:30:54 +0000 (+0200) Subject: media: mtk_mdp_core: Convert to platform remove callback returning void X-Git-Tag: v6.6.7~3028^2~279 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=542c20262613d7ff27f7ed5776595e52983be7d8;p=platform%2Fkernel%2Flinux-starfive.git media: mtk_mdp_core: Convert to platform remove callback returning void 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 Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c index d83c496..77e310e 100644 --- a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c @@ -235,7 +235,7 @@ err_comp: return ret; } -static int mtk_mdp_remove(struct platform_device *pdev) +static void mtk_mdp_remove(struct platform_device *pdev) { struct mtk_mdp_dev *mdp = platform_get_drvdata(pdev); struct mtk_mdp_comp *comp, *comp_temp; @@ -255,7 +255,6 @@ static int mtk_mdp_remove(struct platform_device *pdev) } dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name); - return 0; } static int __maybe_unused mtk_mdp_pm_suspend(struct device *dev) @@ -299,7 +298,7 @@ static const struct dev_pm_ops mtk_mdp_pm_ops = { static struct platform_driver mtk_mdp_driver = { .probe = mtk_mdp_probe, - .remove = mtk_mdp_remove, + .remove_new = mtk_mdp_remove, .driver = { .name = MTK_MDP_MODULE_NAME, .pm = &mtk_mdp_pm_ops,