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goto out; } +FOPS_READ_ITER_HELPER(rng_dev_read); static const struct file_operations rng_chrdev_ops = { .owner = THIS_MODULE, .open = rng_dev_open, - .read = rng_dev_read, + .read_iter = rng_dev_read_iter, .llseek = noop_llseek, }; -- 2.43.0