}
ret = device_claim(&vldev->dep);
- if (ret)
+ if (ret < 0)
return ret;
system_vlan_add(vldev->dep.dev, vldev->id);
return ret;
}
-static void vlan_dev_set_name(struct vlan_device *vldev, struct device *dev)
+static int vlan_dev_set_name(struct vlan_device *vldev, struct device *dev)
{
+ char *name;
+
+ name = alloca(strlen(dev->ifname) + sizeof(".2147483647\0"));
vldev->dev.hidden = dev->hidden;
- snprintf(vldev->dev.ifname, IFNAMSIZ, "%s.%d", dev->ifname, vldev->id);
+ sprintf(name, "%s.%d", dev->ifname, vldev->id);
+
+ return device_set_ifname(&vldev->dev, name);
}
static void vlan_dev_cb(struct device_user *dep, enum device_event ev)
device_set_present(&vldev->dev, false);
break;
case DEV_EVENT_UPDATE_IFNAME:
- vlan_dev_set_name(vldev, dep->dev);
- device_broadcast_event(&vldev->dev, ev);
+ if (vlan_dev_set_name(vldev, dep->dev) < 0)
+ free_vlan_if(&vldev->dev);
+ break;
+ case DEV_EVENT_TOPO_CHANGE:
+ /* Propagate topo changes */
+ device_broadcast_event(&vldev->dev, DEV_EVENT_TOPO_CHANGE);
break;
default:
break;
static struct device *get_vlan_device(struct device *dev, int id, bool create)
{
- static const struct device_type vlan_type = {
+ static struct device_type vlan_type = {
.name = "VLAN",
.config_params = &device_attr_list,
.free = free_vlan_if,
if (!create)
return NULL;
+ D(DEVICE, "Create vlan device '%s.%d'\n", dev->ifname, id);
+
vldev = calloc(1, sizeof(*vldev));
+ if (!vldev)
+ return NULL;
vldev->id = id;
- vlan_dev_set_name(vldev, dev);
- device_init_virtual(&vldev->dev, &vlan_type, NULL);
+ if (device_init(&vldev->dev, &vlan_type, NULL) < 0)
+ goto error;
+
+ if (vlan_dev_set_name(vldev, dev) < 0)
+ goto error;
+
vldev->dev.default_config = true;
vldev->set_state = vldev->dev.set_state;
device_add_user(&vldev->dep, dev);
return &vldev->dev;
+
+error:
+ device_cleanup(&vldev->dev);
+ free(vldev);
+ return NULL;
}
static char *split_vlan(char *s)