static int __init gb_init()

in core.c [298:336]

• 31 lines of code
• 5 McCabe index (conditional complexity)

static int __init gb_init(void)
{
	int retval;

	if (greybus_disabled())
		return -ENODEV;

	BUILD_BUG_ON(CPORT_ID_MAX >= (long)CPORT_ID_BAD);

	gb_debugfs_init();

	retval = bus_register(&greybus_bus_type);
	if (retval) {
		pr_err("bus_register failed (%d)\n", retval);
		goto error_bus;
	}

	retval = gb_hd_init();
	if (retval) {
		pr_err("gb_hd_init failed (%d)\n", retval);
		goto error_hd;
	}

	retval = gb_operation_init();
	if (retval) {
		pr_err("gb_operation_init failed (%d)\n", retval);
		goto error_operation;
	}
	return 0;	/* Success */

error_operation:
	gb_hd_exit();
error_hd:
	bus_unregister(&greybus_bus_type);
error_bus:
	gb_debugfs_cleanup();

	return retval;
}