One more little thing:
> +int ext_err_copy_to_user(void __user *buf, size_t size)
> +{
[...]
> + ret = copy_to_user(buf, output, len + 1);
> +
> + kfree(output);
> +
> + if (!ret)
> + current->ext_err_code = 0;
> +
> + return ret ? ret : len + 1;
> +}
I'm pretty sure you really want something like:
return ret ? -EFAULT : (len + 1);
here.
jon
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