On virGetInterface failure, call virInterfaceDefFree for the @def. --- src/interface/interface_backend_netcf.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/interface/interface_backend_netcf.c b/src/interface/interface_backend_netcf.c index 700a8a0..c7cc071 100644 --- a/src/interface/interface_backend_netcf.c +++ b/src/interface/interface_backend_netcf.c @@ -622,8 +622,10 @@ netcfConnectListAllInterfaces(virConnectPtr conn, } if (ifaces) { - if (!(iface_obj = virGetInterface(conn, def->name, def->mac))) + if (!(iface_obj = virGetInterface(conn, def->name, def->mac))) { + virInterfaceDefFree(def); goto cleanup; + } tmp_iface_objs[niface_objs] = iface_obj; } niface_objs++; -- 2.8.3