On Mon, Apr 10, 2023 at 03:59:32PM -0700, Chang S. Bae wrote:
> +/*
> + * This flag is set with IWKey load. When the key restore fails, it is
> + * reset. This restore state is exported to the crypto library, then AES-KL
> + * will not be used there. So, the feature is soft-disabled with this flag.
> + */
> +static bool valid_kl;
> +
> +bool valid_keylocker(void)
> +{
> + return valid_kl;
> +}
> +EXPORT_SYMBOL_GPL(valid_keylocker);
It would be simpler to export this bool directly.
> + if (status & BIT(0))
> + return 0;
> + else
> + return -EBUSY;
[...]
> + pr_info("x86/keylocker: Enabled.\n");
> + return;
> + } else {
> + int rc;
The kernel coding style usually doesn't use 'else' after a return.
- Eric
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