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(-)
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,
--
2.4.5
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