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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-05-30 10:42:16 +0300
committerDouglas Anderson <dianders@chromium.org>2023-05-31 05:32:04 +0300
commit72a597aed1d9eb9ce21f68e4284ef3598d67cda9 (patch)
tree70c83bc67ad00c1ef1f3a63f9338695c5fe7cb42 /drivers/gpu/drm/panel
parent332af828ce78f9c49c65ff35b9fe171060c9d045 (diff)
downloadlinux-72a597aed1d9eb9ce21f68e4284ef3598d67cda9.tar.xz
drm/panel-edp: 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. panel_edp_remove() always returned zero, so convert it to return void without any loss and then just drop the return from panel_edp_platform_remove(). Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230530074216.2195962-1-u.kleine-koenig@pengutronix.de
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-edp.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c
index e23ddab2126e..fbd114b4f0be 100644
--- a/drivers/gpu/drm/panel/panel-edp.c
+++ b/drivers/gpu/drm/panel/panel-edp.c
@@ -903,7 +903,7 @@ err_finished_ddc_init:
return err;
}
-static int panel_edp_remove(struct device *dev)
+static void panel_edp_remove(struct device *dev)
{
struct panel_edp *panel = dev_get_drvdata(dev);
@@ -918,8 +918,6 @@ static int panel_edp_remove(struct device *dev)
kfree(panel->edid);
panel->edid = NULL;
-
- return 0;
}
static void panel_edp_shutdown(struct device *dev)
@@ -1934,9 +1932,9 @@ static int panel_edp_platform_probe(struct platform_device *pdev)
return panel_edp_probe(&pdev->dev, id->data, NULL);
}
-static int panel_edp_platform_remove(struct platform_device *pdev)
+static void panel_edp_platform_remove(struct platform_device *pdev)
{
- return panel_edp_remove(&pdev->dev);
+ panel_edp_remove(&pdev->dev);
}
static void panel_edp_platform_shutdown(struct platform_device *pdev)
@@ -1957,7 +1955,7 @@ static struct platform_driver panel_edp_platform_driver = {
.pm = &panel_edp_pm_ops,
},
.probe = panel_edp_platform_probe,
- .remove = panel_edp_platform_remove,
+ .remove_new = panel_edp_platform_remove,
.shutdown = panel_edp_platform_shutdown,
};