s4-dsdb: check for invalid backend type

diff --git a/source4/dsdb/samdb/ldb_modules/samba_dsdb.c b/source4/dsdb/samdb/ldb_modules/samba_dsdb.c
index cdfc8d71839a6efce8770cef4901e0ef673ec6f7..1c5abbe23e68a40e46dca735b78d3a73119274b0 100644 (file)
--- a/source4/dsdb/samdb/ldb_modules/samba_dsdb.c
+++ b/source4/dsdb/samdb/ldb_modules/samba_dsdb.c
@@ -259,6 +259,8 @@ static int samba_dsdb_init(struct ldb_module *module)
                        link_modules = openldap_modules;
                        backend_modules = openldap_backend_modules;
                        extended_dn_module = extended_dn_module_openldap;
+               } else {
+                       return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR, "invalid backend type");
                }
                ret = ldb_set_opaque(ldb, "readOnlySchema", (void*)1);
                if (ret != LDB_SUCCESS) {