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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-05-07 19:26:01 +0300
committerDouglas Anderson <dianders@chromium.org>2023-06-08 19:04:12 +0300
commit3c855610840ebe3505f0db88b51191ced0b0af1f (patch)
treeb9280f46f17c32d16d80094aef3076d059c8a3db /drivers/gpu/drm/rockchip/cdn-dp-core.c
parente41977a83b71e7868098d040a0085476d3ccff0f (diff)
downloadlinux-3c855610840ebe3505f0db88b51191ced0b0af1f.tar.xz
drm/rockchip: 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 rockchip drm drivers from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230507162616.1368908-39-u.kleine-koenig@pengutronix.de
Diffstat (limited to 'drivers/gpu/drm/rockchip/cdn-dp-core.c')
-rw-r--r--drivers/gpu/drm/rockchip/cdn-dp-core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index b6afe3786b74..a29fbafce393 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -1222,15 +1222,13 @@ static int cdn_dp_probe(struct platform_device *pdev)
return component_add(dev, &cdn_dp_component_ops);
}
-static int cdn_dp_remove(struct platform_device *pdev)
+static void cdn_dp_remove(struct platform_device *pdev)
{
struct cdn_dp_device *dp = platform_get_drvdata(pdev);
platform_device_unregister(dp->audio_pdev);
cdn_dp_suspend(dp->dev);
component_del(&pdev->dev, &cdn_dp_component_ops);
-
- return 0;
}
static void cdn_dp_shutdown(struct platform_device *pdev)
@@ -1247,7 +1245,7 @@ static const struct dev_pm_ops cdn_dp_pm_ops = {
struct platform_driver cdn_dp_driver = {
.probe = cdn_dp_probe,
- .remove = cdn_dp_remove,
+ .remove_new = cdn_dp_remove,
.shutdown = cdn_dp_shutdown,
.driver = {
.name = "cdn-dp",