static int init_uio_class(void)
{
	int ret;

	/* This is the first time in here, set everything up properly */
	ret = uio_major_init();
	if (ret)
		goto exit;

	ret = class_register(&uio_class);
	if (ret) {
		printk(KERN_ERR "class_register failed for uio\n");
		goto err_class_register;
	}
	return 0;

err_class_register:
	uio_major_cleanup();
exit:
	return ret;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.