be safe when passed a dict root

diff --git a/src/lib/util/dict_print.c b/src/lib/util/dict_print.c
index 0466947d99253a9430b60216a96f90dcc1ef0b40..8fc03ce90336ada341dc4868d521f408a99aab47 100644 (file)
--- a/src/lib/util/dict_print.c
+++ b/src/lib/util/dict_print.c
@@ -135,6 +135,8 @@ ssize_t fr_dict_attr_oid_print(fr_sbuff_t *out,
         */
        if ((ancestor == da) || (da->depth == 0)) return 0;
 
+       if (ancestor && (ancestor->flags.is_root)) ancestor = NULL;
+
        fr_proto_da_stack_build(&da_stack, da);
 
        /*