s4-dsdb: return a zero guid on error in samdb_result_guid()

diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index 3aa415ef23b5d446616983c8afe15d8e4583212c..5b8365a3e13571f43efff8cb5af98f9ae4007442 100644 (file)
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -400,7 +400,7 @@ struct GUID samdb_result_guid(const struct ldb_message *msg, const char *attr)
        NTSTATUS status;
 
        v = ldb_msg_find_ldb_val(msg, attr);
-       if (!v) return guid;
+       if (!v) return GUID_zero();
 
        status = GUID_from_ndr_blob(v, &guid);
        if (!NT_STATUS_IS_OK(status)) {