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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-11-02 17:56:54 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2023-11-21 09:18:53 +0100
commitac96555768099bf3e87b59abe9f156bb6fffbbd4 (patch)
tree254c9ecb85d26fe247a4a344d0814e08fe238182
parent30b749adb13db8e672d1a53266876732b8a2edb8 (diff)
drm/meson: 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 ignored (apart from emitting a warning) 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. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20231102165640.3307820-31-u.kleine-koenig@pengutronix.de
-rw-r--r--drivers/gpu/drm/meson/meson_dw_mipi_dsi.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
index e5fe4e994f43..a6bc1bdb3d0d 100644
--- a/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
+++ b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
@@ -323,13 +323,11 @@ static int meson_dw_mipi_dsi_probe(struct platform_device *pdev)
return 0;
}
-static int meson_dw_mipi_dsi_remove(struct platform_device *pdev)
+static void meson_dw_mipi_dsi_remove(struct platform_device *pdev)
{
struct meson_dw_mipi_dsi *mipi_dsi = platform_get_drvdata(pdev);
dw_mipi_dsi_remove(mipi_dsi->dmd);
-
- return 0;
}
static const struct of_device_id meson_dw_mipi_dsi_of_table[] = {
@@ -340,7 +338,7 @@ MODULE_DEVICE_TABLE(of, meson_dw_mipi_dsi_of_table);
static struct platform_driver meson_dw_mipi_dsi_platform_driver = {
.probe = meson_dw_mipi_dsi_probe,
- .remove = meson_dw_mipi_dsi_remove,
+ .remove_new = meson_dw_mipi_dsi_remove,
.driver = {
.name = DRIVER_NAME,
.of_match_table = meson_dw_mipi_dsi_of_table,