[PATCH v2] HID: Wacom: Delete unnecessary checks before the function call "input_free_device"

From: SF Markus Elfring
Date: Thu Jul 09 2015 - 02:08:45 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 9 Jul 2015 08:00:10 +0200

The input_free_device() 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/hid/wacom_sys.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 4c0ffca..936ad77 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1149,12 +1149,9 @@ static void wacom_free_inputs(struct wacom *wacom)
{
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);

- if (wacom_wac->pen_input)
- input_free_device(wacom_wac->pen_input);
- if (wacom_wac->touch_input)
- input_free_device(wacom_wac->touch_input);
- if (wacom_wac->pad_input)
- input_free_device(wacom_wac->pad_input);
+ input_free_device(wacom_wac->pen_input);
+ input_free_device(wacom_wac->touch_input);
+ input_free_device(wacom_wac->pad_input);
wacom_wac->pen_input = NULL;
wacom_wac->touch_input = NULL;
wacom_wac->pad_input = NULL;
--
2.4.5

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