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[1/1] video: mx3fb: Deletion of an unnecessary check before the function call "backlight_device_unregister"

Message ID 5471ED22.40307@users.sourceforge.net (mailing list archive)
State New, archived
Headers show

Commit Message

SF Markus Elfring Nov. 23, 2014, 2:20 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 23 Nov 2014 15:15:29 +0100

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>
---
 drivers/video/fbdev/mx3fb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c
index c645a0a..b2d2151 100644
--- a/drivers/video/fbdev/mx3fb.c
+++ b/drivers/video/fbdev/mx3fb.c
@@ -334,8 +334,7 @@  static void mx3fb_init_backlight(struct mx3fb_data *fbd)
 
 static void mx3fb_exit_backlight(struct mx3fb_data *fbd)
 {
-	if (fbd->bl)
-		backlight_device_unregister(fbd->bl);
+	backlight_device_unregister(fbd->bl);
 }
 
 static void mx3fb_dma_done(void *);