Hi Dan,
Thank you for the patch.
On Wed, Sep 04, 2019 at 01:03:29PM +0300, Dan Carpenter wrote:
> 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@xxxxxxxxxx>
> ---
> 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);
How about simply
- put_device(&lvds->backlight->dev);
+ backlight_put(lvds->backlight);
?
> return ret;
> }
>
--
Regards,
Laurent Pinchart
