Fix open counting in usbkbd.c and usbmouse.c in case the irq urb

submit fails. Bug spotted by Thiemo Seufer.

drivers/usb/input/usbkbd.c

@@ -163,8 +163,10 @@ static int usb_kbd_open(struct input_dev *dev)
 		return 0;
 
 	kbd->irq->dev = kbd->usbdev;
-	if (usb_submit_urb(kbd->irq, GFP_KERNEL))
+	if (usb_submit_urb(kbd->irq, GFP_KERNEL)) {
+		kbd->open--;
 		return -EIO;
+	}
 
 	return 0;
 }

drivers/usb/input/usbmouse.c

@@ -86,8 +86,10 @@ static int usb_mouse_open(struct input_dev *dev)
 		return 0;
 
 	mouse->irq->dev = mouse->usbdev;
-	if (usb_submit_urb(mouse->irq, GFP_KERNEL))
+	if (usb_submit_urb(mouse->irq, GFP_KERNEL)) {
+		mouse->open--;
 		return -EIO;
+	}
 
 	return 0;
 }