return NULL if storage is NULL

src/user/load.c

@@ -35,9 +35,12 @@ userLoad(User this, Storage storage)
 {
 	char   * storage_data;
 	size_t   nstorage_data;
-
 	size_t * user_data_sizes;
 
+	if (NULL == storage) {
+		return NULL;
+	}
+
 	storageGet(
 			storage,
 			this->email, *this->nemail,