if (r < 0)
return r;
- dbus_message_iter_init(reply, &iter);
+ if (!dbus_message_iter_init(reply, &iter)) {
+ log_error("Failed to initialize iterator.");
+ return -EIO;
+ }
+
r = bus_parse_strv_iter(&iter, &list);
if (r < 0) {
log_error("Failed to parse value list.");