vlan_group_set_device  104 net/8021q/vlan.c 	vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, NULL);
vlan_group_set_device  192 net/8021q/vlan.c 	vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, dev);