[PATCH] omapfb: panel-dsi-cm: Delete an unnecessary check before backlight_device_unregister()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 23 Jul 2016 19:29:28 +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/fbdev/omap2/omapfb/displays/panel-dsi-cm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
index b58012b..9d308db 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c
@@ -1283,8 +1283,7 @@ 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:
-- 
2.9.2

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