On Fri, Jul 22, 2016 at 8:54 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 22 Jul 2016 14:45:51 +0200
>
> The backlight_device_unregister() function tests whether its argument
> is NULL and then returns immediately.
> Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Applied to drm-misc
> ---
> drivers/gpu/drm/bridge/parade-ps8622.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c
> index 5cd8dd7..583b8ce 100644
> --- a/drivers/gpu/drm/bridge/parade-ps8622.c
> +++ b/drivers/gpu/drm/bridge/parade-ps8622.c
> @@ -636,9 +636,7 @@ static int ps8622_remove(struct i2c_client *client)
> {
> struct ps8622_bridge *ps8622 = i2c_get_clientdata(client);
>
> - if (ps8622->bl)
> - backlight_device_unregister(ps8622->bl);
> -
> + backlight_device_unregister(ps8622->bl);
> drm_bridge_remove(&ps8622->bridge);
>
> return 0;
> --
> 2.9.2
>
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