return 0;
}
+/* callback for netdev's created without a backing Link */
static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- NetDev *netdev = userdata;
+ _cleanup_netdev_unref_ NetDev *netdev = userdata;
int r;
assert(netdev->state != _NETDEV_STATE_INVALID);
if (link)
r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
- else
+ else {
r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
- if (r < 0) {
+
+ netdev_ref(netdev);
+ } if (r < 0) {
log_error_netdev(netdev,
"Could not send rtnetlink message: %s", strerror(-r));
return r;
return 0;
}
+/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
int r;
case NETDEV_KIND_GRE:
case NETDEV_KIND_SIT:
case NETDEV_KIND_VTI:
- return netdev_create_tunnel(link, netdev_create_handler);
+ return netdev_create_tunnel(netdev, link, callback);
default:
break;
}