static void panel_detach()

in panel.c [1579:1609]

• 26 lines of code
• 6 McCabe index (conditional complexity)

static void panel_detach(struct parport *port)
{
	if (port->number != parport)
		return;

	if (!pprt) {
		pr_err("%s: port->number=%d parport=%d, nothing to unregister.\n",
		       __func__, port->number, parport);
		return;
	}
	if (scan_timer.function)
		del_timer_sync(&scan_timer);

	if (keypad.enabled) {
		misc_deregister(&keypad_dev);
		keypad_initialized = 0;
	}

	if (lcd.enabled) {
		charlcd_unregister(lcd.charlcd);
		lcd.initialized = false;
		kfree(lcd.charlcd->drvdata);
		kfree(lcd.charlcd);
		lcd.charlcd = NULL;
	}

	/* TODO: free all input signals */
	parport_release(pprt);
	parport_unregister_device(pprt);
	pprt = NULL;
}