[PATCH] Input-rmi_bus: Delete an unnecessary check before the function call "of_node_put"

From: SF Markus Elfring
Date: Sun Jul 24 2016 - 03:36:25 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 24 Jul 2016 07:37:23 +0200

The of_node_put() 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/input/rmi4/rmi_bus.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index 253df96..a735806 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -232,10 +232,7 @@ err_put_device:
void rmi_unregister_function(struct rmi_function *fn)
{
device_del(&fn->dev);
-
- if (fn->dev.of_node)
- of_node_put(fn->dev.of_node);
-
+ of_node_put(fn->dev.of_node);
put_device(&fn->dev);
}

--
2.9.2