Input: initialize device counter variables with -1

Let's initialize atomic_t variables keeping track of number of various
devices created so far with -1 in order to avoid extra subtraction
operation.

Signed-off-by: Aniroop Mathur <aniroop.mathur@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index cd13c82ca0a1..36281eeabb19 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -884,8 +884,8 @@ static void xpad_led_set(struct led_classdev *led_cdev,
 
 static int xpad_led_probe(struct usb_xpad *xpad)
 {
-        static atomic_t led_seq = ATOMIC_INIT(0);
-        long led_no;
+        static atomic_t led_seq = ATOMIC_INIT(-1);
+        unsigned long led_no;
         struct xpad_led *led;
         struct led_classdev *led_cdev;
         int error;
@@ -897,9 +897,9 @@ static int xpad_led_probe(struct usb_xpad *xpad)
         if (!led)
                 return -ENOMEM;
 
-        led_no = (long)atomic_inc_return(&led_seq) - 1;
+        led_no = atomic_inc_return(&led_seq);
 
-        snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
+        snprintf(led->name, sizeof(led->name), "xpad%lu", led_no);
         led->xpad = xpad;
 
         led_cdev = &led->led_cdev;