On Wed, 01 Jul 2015, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Wed, 1 Jul 2015 12:08:31 +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>
> ---
> drivers/video/backlight/lp8788_bl.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
Applied, thanks.
> diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
> index e418d5b..5d583d7 100644
> --- a/drivers/video/backlight/lp8788_bl.c
> +++ b/drivers/video/backlight/lp8788_bl.c
> @@ -221,8 +221,7 @@ static void lp8788_backlight_unregister(struct lp8788_bl *bl)
> {
> struct backlight_device *bl_dev = bl->bl_dev;
>
> - if (bl_dev)
> - backlight_device_unregister(bl_dev);
> + backlight_device_unregister(bl_dev);
> }
>
> static ssize_t lp8788_get_bl_ctl_mode(struct device *dev,
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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