rt2x00: fix cancelling uninitialized work

{rx,tx}done_work's are only initialized for usb devices.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: stable@kernel.org
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 9de9dbe..84eb6ad 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1062,8 +1062,10 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
         * Stop all work.
         */
        cancel_work_sync(&rt2x00dev->intf_work);
-       cancel_work_sync(&rt2x00dev->rxdone_work);
-       cancel_work_sync(&rt2x00dev->txdone_work);
+       if (rt2x00_is_usb(rt2x00dev)) {
+               cancel_work_sync(&rt2x00dev->rxdone_work);
+               cancel_work_sync(&rt2x00dev->txdone_work);
+       }
        destroy_workqueue(rt2x00dev->workqueue);
 
        /*