From 61a6187dd51b6fffae4be6866af27e87bf6a632b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Sun, 26 Mar 2023 16:30:55 +0200 Subject: [PATCH] media: mtk-mdp3-core: Convert to platform remove callback returning void MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c index 97edcd9d1c817..041bcad675da7 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -298,14 +298,13 @@ err_return: return ret; } -static int mdp_remove(struct platform_device *pdev) +static void mdp_remove(struct platform_device *pdev) { struct mdp_dev *mdp = platform_get_drvdata(pdev); v4l2_device_unregister(&mdp->v4l2_dev); dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name); - return 0; } static int __maybe_unused mdp_suspend(struct device *dev) @@ -345,7 +344,7 @@ static const struct dev_pm_ops mdp_pm_ops = { static struct platform_driver mdp_driver = { .probe = mdp_probe, - .remove = mdp_remove, + .remove_new = mdp_remove, .driver = { .name = MDP_MODULE_NAME, .pm = &mdp_pm_ops, -- 2.30.2