netns: keep vlan slaves on master netns move

[net-next-2.6.git] / drivers / net / macvlan.c

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 0ef0eb0db94564dda7d0c7f28c7581db799e0e7a..0fc9dc7f20db02da7ac784c193b940453b7eccd7 100644 (file)
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -788,6 +788,10 @@ static int macvlan_device_event(struct notifier_block *unused,
                }
                break;
        case NETDEV_UNREGISTER:
+               /* twiddle thumbs on netns device moves */
+               if (dev->reg_state != NETREG_UNREGISTERING)
+                       break;
+
                list_for_each_entry_safe(vlan, next, &port->vlans, list)
                        vlan->dev->rtnl_link_ops->dellink(vlan->dev, NULL);
                break;