Re: [PATCH 1/1] backlight: lp8788: Deletion of an unnecessary check before the function call "backli

From
Lee Jones <hidden>
Date
2014-11-24 10:09:33
Also in
kernel-janitors, lkml
Reply to
SF Markus Elfring, 2014-11-23
On Sun, 23 Nov 2014, SF Markus Elfring wrote:
From: Markus Elfring <redacted>
Date: Sun, 23 Nov 2014 17:33:08 +0100
What format is this?

Can you use `git format-patch` and `git send-email` instead please?
 
quoted hunk ↗ jump to hunk
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 <redacted>
---
 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 d6c4f6a..24a055c 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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Thread (9 messages) 9 messages, 3 authors, last reply 2015-07-07
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