209 	struct urb *tx_urb;  member
1899 				  serial->tx_urb,  in hso_mux_serial_write_data()
1937 	usb_fill_bulk_urb(serial->tx_urb,  in hso_std_serial_write_data()
1945 	result = usb_submit_urb(serial->tx_urb, GFP_ATOMIC);  in hso_std_serial_write_data()
2203 	if (serial->tx_urb)  in hso_stop_serial_device()
2204 		usb_kill_urb(serial->tx_urb);  in hso_stop_serial_device()
2245 	usb_free_urb(serial->tx_urb);  in hso_serial_common_free()
2291 	serial->tx_urb = usb_alloc_urb(0, GFP_KERNEL);  in hso_serial_common_create()
2292 	if (!serial->tx_urb)  in hso_serial_common_create()
2294 	serial->tx_urb->transfer_buffer = NULL;  in hso_serial_common_create()
2295 	serial->tx_urb->transfer_buffer_length = 0;  in hso_serial_common_create()