networkd: link - fix memory leak

Make link_initialized() idempotent to avoid taking refs on several udev_device
objects.

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 0947b0c905f1149c05840623a2ece3f19284a47e..877b7a9be2c1e7ad4a5a3cc894456434f0ab5921 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -2122,6 +2122,9 @@ int link_initialized(Link *link, struct udev_device *device) {
         if (link->state != LINK_STATE_INITIALIZING)
                 return 0;
 
+        if (link->udev_device)
+                return 0;
+
         log_debug_link(link, "udev initialized link");
 
         link->udev_device = udev_device_ref(device);