network: fix assertion in link_get()

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 06a467d15b1c062479d95715c8a3fb5841381062..b003c88c3ef1546674744e6f8d90b8e98366befa 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -752,7 +752,7 @@ int link_get(Manager *m, int ifindex, Link **ret) {
         Link *link;
 
         assert(m);
-        assert(ifindex);
+        assert(ifindex > 0);
         assert(ret);
 
         link = hashmap_get(m->links, INT_TO_PTR(ifindex));