hso_serial_tty_unregister 2311 drivers/net/usb/hso.c 	hso_serial_tty_unregister(serial);
hso_serial_tty_unregister 2677 drivers/net/usb/hso.c 	hso_serial_tty_unregister(serial);
hso_serial_tty_unregister 3111 drivers/net/usb/hso.c 			hso_serial_tty_unregister(serial);