video: fbdev: omap2: displays-new: Delete a check before backlight_device_unregister()
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Message ID 558FEA4D.9030108@users.sourceforge.net
State New
Headers show

Commit Message

SF Markus Elfring June 28, 2015, 12:36 p.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 28 Jun 2015 14:30:17 +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@users.sourceforge.net>
---
 drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch
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diff --git a/drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c b/drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c
index 3414c26..d2caa41 100644
--- a/drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c
+++ b/drivers/video/fbdev/omap2/displays-new/panel-dsi-cm.c
@@ -1323,8 +1323,7 @@  static int dsicm_probe(struct platform_device *pdev)
 	return 0;
 
 err_sysfs_create:
-	if (bldev != NULL)
-		backlight_device_unregister(bldev);
+	backlight_device_unregister(bldev);
 err_bl:
 	destroy_workqueue(ddata->workqueue);
 err_reg: