--- db-4.8.30/env/env_open.c.db_conf 2017-07-09 00:30:38.661023661 +0300 +++ db-4.8.30/env/env_open.c 2017-07-09 00:33:14.101897941 +0300 @@ -374,7 +374,7 @@ env->db_mode = mode == 0 ? DB_MODE_660 : mode; /* Read the DB_CONFIG file. */ - if ((ret = __env_read_db_config(env)) != 0) + if ((home != NULL) && ((ret = __env_read_db_config(env)) != 0)) return (ret); /*