Function device_sysctl_fini

freebsd/kern/subr_bus.c:347–354

}

static void
device_sysctl_fini(device_t dev)
{
	if (dev->sysctl_tree == NULL)
		return;
	sysctl_ctx_free(&dev->sysctl_ctx);
	dev->sysctl_tree = NULL;
}

/*
 * /dev/devctl implementation