networkd: netdev - take ref when creating netdevs

We were doing this correctly for when the callback takes the Link object, but
must also do it for the cases it takes the NetDev object.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index a53f046540..20917e334b 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -224,7 +224,7 @@ static int netdev_enter_ready(NetDev *netdev) {
 
 /* 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);
@@ -388,9 +388,11 @@ static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t c
 
         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;