/* Poll every 100ms, or whenever some data comes in. */
serial = sdi->conn;
- serial_source_add(serial, G_IO_IN, 50, fluke_receive_data, (void *)sdi);
+ serial_source_add(sdi->session, serial, G_IO_IN, 50,
+ fluke_receive_data, (void *)sdi);
if (serial_write(serial, "QM\r", 3) == -1) {
sr_err("Unable to send QM: %s.", strerror(errno));