rocker: return -EOPNOTSUPP for undefined world ops

Suggested-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker_main.c

@@ -1547,7 +1547,7 @@ static int rocker_world_port_attr_stp_state_set(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_attr_stp_state_set)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_attr_stp_state_set(rocker_port, state, trans);
 }
 
@@ -1559,7 +1559,7 @@ rocker_world_port_attr_bridge_flags_set(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_attr_bridge_flags_set)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_attr_bridge_flags_set(rocker_port, brport_flags,
 						trans);
 }
@@ -1571,7 +1571,7 @@ rocker_world_port_attr_bridge_flags_get(const struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_attr_bridge_flags_get)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_attr_bridge_flags_get(rocker_port, p_brport_flags);
 }
 
@@ -1584,7 +1584,7 @@ rocker_world_port_attr_bridge_ageing_time_set(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_attr_bridge_ageing_time_set)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_attr_bridge_ageing_time_set(rocker_port, ageing_time,
 						      trans);
 }
@@ -1597,6 +1597,7 @@ rocker_world_port_obj_vlan_add(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_vlan_add)
+		return -EOPNOTSUPP;
 		return 0;
 	return wops->port_obj_vlan_add(rocker_port, vlan, trans);
 }
@@ -1608,7 +1609,7 @@ rocker_world_port_obj_vlan_del(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_vlan_del)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_vlan_del(rocker_port, vlan);
 }
 
@@ -1620,7 +1621,7 @@ rocker_world_port_obj_vlan_dump(const struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_vlan_dump)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_vlan_dump(rocker_port, vlan, cb);
 }
 
@@ -1632,7 +1633,7 @@ rocker_world_port_obj_fib4_add(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fib4_add)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_fib4_add(rocker_port, fib4, trans);
 }
 
@@ -1643,7 +1644,7 @@ rocker_world_port_obj_fib4_del(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fib4_del)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_fib4_del(rocker_port, fib4);
 }
 
@@ -1655,7 +1656,7 @@ rocker_world_port_obj_fdb_add(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fdb_add)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_fdb_add(rocker_port, fdb, trans);
 }
 
@@ -1666,7 +1667,7 @@ rocker_world_port_obj_fdb_del(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fdb_del)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_fdb_del(rocker_port, fdb);
 }
 
@@ -1678,7 +1679,7 @@ rocker_world_port_obj_fdb_dump(const struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_obj_fdb_dump)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_obj_fdb_dump(rocker_port, fdb, cb);
 }
 
@@ -1688,7 +1689,7 @@ static int rocker_world_port_master_linked(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_master_linked)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_master_linked(rocker_port, master);
 }
 
@@ -1698,7 +1699,7 @@ static int rocker_world_port_master_unlinked(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_master_unlinked)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_master_unlinked(rocker_port, master);
 }
 
@@ -1708,7 +1709,7 @@ static int rocker_world_port_neigh_update(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_neigh_update)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_neigh_update(rocker_port, n);
 }
 
@@ -1718,7 +1719,7 @@ static int rocker_world_port_neigh_destroy(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_neigh_destroy)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_neigh_destroy(rocker_port, n);
 }
 
@@ -1729,7 +1730,7 @@ static int rocker_world_port_ev_mac_vlan_seen(struct rocker_port *rocker_port,
 	struct rocker_world_ops *wops = rocker_port->rocker->wops;
 
 	if (!wops->port_ev_mac_vlan_seen)
-		return 0;
+		return -EOPNOTSUPP;
 	return wops->port_ev_mac_vlan_seen(rocker_port, addr, vlan_id);
 }