[PATCH] drm: panel-lvds: Potential Oops in probe error handling

The "lvds->backlight" pointer could be NULl if of_parse_phandle() returns NULL.

Fixes: 7c9dff5bd643 ("drm: panels: Add LVDS panel driver") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com --- drivers/gpu/drm/panel/panel-lvds.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c index ad47cc95459e..3b4eb959e994 100644 --- a/drivers/gpu/drm/panel/panel-lvds.c +++ b/drivers/gpu/drm/panel/panel-lvds.c @@ -272,7 +272,8 @@ static int panel_lvds_probe(struct platform_device *pdev) return 0;

error: - put_device(&lvds->backlight->dev); + if (lvds->backlight) + put_device(&lvds->backlight->dev); return ret; }