HID: usbkbd: kill LED URB on disconnect

The LED URB was left unkilled when the USB device is disconnected.

Signed-off-by: Willem Penninckx <willem.penninckx@cs.kuleuven.be>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c
index 052346f..a7b925a 100644
--- a/drivers/hid/usbhid/usbkbd.c
+++ b/drivers/hid/usbhid/usbkbd.c
@@ -387,6 +387,7 @@
 	if (kbd) {
 		usb_kill_urb(kbd->irq);
 		input_unregister_device(kbd->dev);
+		usb_kill_urb(kbd->led);
 		usb_kbd_free_mem(interface_to_usbdev(intf), kbd);
 		kfree(kbd);
 	}