loop_dev 2221 drivers/staging/fwserial/fwserial.c struct device *loop_dev; loop_dev 2223 drivers/staging/fwserial/fwserial.c loop_dev = tty_port_register_device(&serial->ports[j]->port, loop_dev 2227 drivers/staging/fwserial/fwserial.c if (IS_ERR(loop_dev)) { loop_dev 2228 drivers/staging/fwserial/fwserial.c err = PTR_ERR(loop_dev); loop_dev 2233 drivers/staging/fwserial/fwserial.c serial->ports[j]->device = loop_dev;