static int __init tee_init()

in tee_core.c [1228:1259]

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

static int __init tee_init(void)
{
	int rc;

	tee_class = class_create(THIS_MODULE, "tee");
	if (IS_ERR(tee_class)) {
		pr_err("couldn't create class\n");
		return PTR_ERR(tee_class);
	}

	rc = alloc_chrdev_region(&tee_devt, 0, TEE_NUM_DEVICES, "tee");
	if (rc) {
		pr_err("failed to allocate char dev region\n");
		goto out_unreg_class;
	}

	rc = bus_register(&tee_bus_type);
	if (rc) {
		pr_err("failed to register tee bus\n");
		goto out_unreg_chrdev;
	}

	return 0;

out_unreg_chrdev:
	unregister_chrdev_region(tee_devt, TEE_NUM_DEVICES);
out_unreg_class:
	class_destroy(tee_class);
	tee_class = NULL;

	return rc;
}