staging: olpc_dcon: Deletion of 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index eb83b28..6a9a881 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -682,8 +682,7 @@
free_irq(DCON_IRQ, dcon);
- if (dcon->bl_dev)
- backlight_device_unregister(dcon->bl_dev);
+ backlight_device_unregister(dcon->bl_dev);
if (dcon_device != NULL)
platform_device_unregister(dcon_device);