static void ipoctal_hangup()

in devices/ipoctal.c [633:652]

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

static void ipoctal_hangup(struct tty_struct *tty)
{
	unsigned long flags;
	struct ipoctal_channel *channel = tty->driver_data;

	if (channel == NULL)
		return;

	spin_lock_irqsave(&channel->lock, flags);
	channel->nb_bytes = 0;
	channel->pointer_read = 0;
	channel->pointer_write = 0;
	spin_unlock_irqrestore(&channel->lock, flags);

	tty_port_hangup(&channel->tty_port);

	ipoctal_reset_channel(channel);
	tty_port_set_initialized(&channel->tty_port, 0);
	wake_up_interruptible(&channel->tty_port.open_wait);
}