[PATCH] HID: Wacom: Delete an unnecessary check before the function call "kobject_put"

SF Markus Elfring
2015-11-06T17:00:30Z

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 6 Nov 2015 17:55:23 +0100

The kobject_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@users.sourceforge.net>
---
drivers/hid/wacom_sys.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 125e9d5..fb9b1d1 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1353,8 +1353,7 @@ static void wacom_clean_inputs(struct wacom *wacom)
else
input_free_device(wacom->wacom_wac.pad_input);
}
- if (wacom->remote_dir)
- kobject_put(wacom->remote_dir);
+ kobject_put(wacom->remote_dir);
wacom->wacom_wac.pen_input = NULL;
wacom->wacom_wac.touch_input = NULL;
wacom->wacom_wac.pad_input = NULL;
--
2.6.2