Re: [PATCH v6 3/8] fscrypt: split setup_per_mode_enc_key()

[Eric Biggers <ebiggers@kernel.org>]

On Tue, Aug 08, 2023 at 01:08:03PM -0400, Sweet Tea Dorminy wrote:
> +static int find_mode_prepared_key(struct fscrypt_info *ci,
> +				  struct fscrypt_master_key *mk,
> +				  struct fscrypt_prepared_key *keys,
> +				  u8 hkdf_context, bool include_fs_uuid)
> +{
> +	struct fscrypt_mode *mode = ci->ci_mode;
> +	const u8 mode_num = mode - fscrypt_modes;
> +	struct fscrypt_prepared_key *prep_key;
> +	int err;
> +
> +	if (WARN_ON_ONCE(mode_num > FSCRYPT_MODE_MAX))
> +		return -EINVAL;
> +
> +	prep_key = &keys[mode_num];
> +	if (fscrypt_is_key_prepared(prep_key, ci)) {
> +		ci->ci_enc_key = *prep_key;
> +		return 0;
> +	}
> +	err = setup_new_mode_prepared_key(mk, prep_key, ci, hkdf_context,
> +					  include_fs_uuid);
> +	if (err)
> +		return err;
> +
> +	ci->ci_enc_key = *prep_key;
> +	return 0;
> +}

Any thoughts about the feedback I gave about this on v2
(https://lore.kernel.org/linux-fscrypt/20230411032935.GC47625@sol.localdomain/)?
The new naming with "find" seems wrong.

- Eric