While VNIC or BGX driver teardown, wait for already scheduled delayed work to
finish before destroying it.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@caviumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        if (nic->check_link) {
                /* Destroy work Queue */
-               cancel_delayed_work(&nic->dwork);
-               flush_workqueue(nic->check_link);
+               cancel_delayed_work_sync(&nic->dwork);
                destroy_workqueue(nic->check_link);
        }
 
 
        lmac = &bgx->lmac[lmacid];
        if (lmac->check_link) {
                /* Destroy work queue */
-               cancel_delayed_work(&lmac->dwork);
-               flush_workqueue(lmac->check_link);
+               cancel_delayed_work_sync(&lmac->dwork);
                destroy_workqueue(lmac->check_link);
        }