Revert "i40e: fix: do not sleep in netdev_ops"

BugLink: http://bugs.launchpad.net/bugs/1624037

This reverts commit 81739df8.

Misapplied duplicate.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

drivers/net/ethernet/intel/i40e/i40e_main.c

@@ -1541,11 +1541,7 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
 
 	ether_addr_copy(netdev->dev_addr, addr->sa_data);
 
-	/* schedule our worker thread which will take care of
-	 * applying the new filter changes
-	 */
-	i40e_service_event_schedule(vsi->back);
-	return 0;
+	return i40e_sync_vsi_filters(vsi);
 }
 
 /**
@@ -1769,11 +1765,6 @@ static void i40e_set_rx_mode(struct net_device *netdev)
 		vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
 		vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
 	}
-
-	/* schedule our worker thread which will take care of
-	 * applying the new filter changes
-	 */
-	i40e_service_event_schedule(vsi->back);
 }
 
 /**