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authorMarkus Elfring <elfring@users.sourceforge.net>2015-07-01 12:08:31 +0200
committerLee Jones <lee.jones@linaro.org>2015-08-25 08:43:40 +0100
commit85463d8ed1ffae0eb0bd070e400f33918a6696ef (patch)
tree817d74c159773240ef339173d6cf4bba71ce4bcb /drivers/video
parent047ffbb27115b57759767145803b752518399d90 (diff)
downloadlinux-85463d8ed1ffae0eb0bd070e400f33918a6696ef.tar.bz2
backlight: lp8788_bl: Delete a check before backlight_device_unregister()
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@users.sourceforge.net> Acked-by: Jingoo Han <jingoohan1@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/lp8788_bl.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
index e418d5b1aa55..5d583d7a517b 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,