From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Mon, 24 Nov 2014 22:58:48 +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 <elfr...@users.sourceforge.net>
---
drivers/staging/olpc_dcon/olpc_dcon.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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 @@ static int dcon_remove(struct i2c_client *client)
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);
--
2.1.3
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