static void do_envctrl_shutdown()

in char/bbc_envctrl.c [138:165]

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

static void do_envctrl_shutdown(struct bbc_cpu_temperature *tp)
{
	static int shutting_down = 0;
	char *type = "???";
	s8 val = -1;

	if (shutting_down != 0)
		return;

	if (tp->curr_amb_temp >= amb_temp_limits[tp->index].high_shutdown ||
	    tp->curr_amb_temp < amb_temp_limits[tp->index].low_shutdown) {
		type = "ambient";
		val = tp->curr_amb_temp;
	} else if (tp->curr_cpu_temp >= cpu_temp_limits[tp->index].high_shutdown ||
		   tp->curr_cpu_temp < cpu_temp_limits[tp->index].low_shutdown) {
		type = "CPU";
		val = tp->curr_cpu_temp;
	}

	printk(KERN_CRIT "temp%d: Outside of safe %s "
	       "operating temperature, %d C.\n",
	       tp->index, type, val);

	printk(KERN_CRIT "kenvctrld: Shutting down the system now.\n");

	shutting_down = 1;
	orderly_poweroff(true);
}