drm/rockchip: backlight: fix compile warning

warning: Access to field 'dev' results in a dereference of a null
pointer (loaded from variable 'panel')

Change-Id: I0f4224b47b3b7c16a9022e19f8de28df66784a7f
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
This commit is contained in:
Sandy Huang
2018-01-31 10:20:48 +08:00
committed by Tao Huang
parent 7bd13a986e
commit 62779bcb89

View File

@@ -307,7 +307,7 @@ static int rockchip_drm_backlight_bind(struct device *dev,
drm_for_each_connector(connector, drm_dev) {
panel = drm_find_panel_by_connector(connector);
if (!panel && !panel->dev)
if (!panel || !panel->dev)
continue;
backlight_np = of_parse_phandle(panel->dev->of_node,
"backlight", 0);