HID: Avoid double spin_lock_init on usbhid->lock

Avoid double spin_lock_init on usbhid->lock.
Signed-off-by: NSergey Senozhatsky <sergey.senozhatsky@mail.by>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/hid/usbhid/hid-core.c

@@ -985,7 +985,6 @@ static int usbhid_start(struct hid_device *hid)
 	INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
 	setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
 
-	spin_lock_init(&usbhid->lock);
 	spin_lock_init(&usbhid->lock);
 
 	usbhid->intf = intf;