static int ipoctal_install()

in devices/ipoctal.c [85:106]

• 16 lines of code
• 3 McCabe index (conditional complexity)

static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty)
{
	struct ipoctal_channel *channel = dev_get_drvdata(tty->dev);
	struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
	int res;

	if (!ipack_get_carrier(ipoctal->dev))
		return -EBUSY;

	res = tty_standard_install(driver, tty);
	if (res)
		goto err_put_carrier;

	tty->driver_data = channel;

	return 0;

err_put_carrier:
	ipack_put_carrier(ipoctal->dev);

	return res;
}