linux-kernel - Re: [PATCH v4 2/6] KEYS: Add missing function documentation

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Date:   Wed, 08 Feb 2023 16:48:29 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Eric Snowberg <eric.snowberg@...cle.com>, jarkko@...nel.org,
        dhowells@...hat.com, dwmw2@...radead.org
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        dmitry.kasatkin@...il.com, paul@...l-moore.com, jmorris@...ei.org,
        serge@...lyn.com, pvorel@...e.cz, tadeusz.struk@...el.com,
        kanth.ghatraju@...cle.com, konrad.wilk@...cle.com,
        erpalmer@...ux.vnet.ibm.com, coxu@...hat.com,
        keyrings@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH v4 2/6] KEYS: Add missing function documentation

On Mon, 2023-02-06 at 21:59 -0500, Eric Snowberg wrote:
> Compiling with 'W=1' results in warnings that 'Function parameter or member
> not described'
> 
> Add the missing parameters for
> restrict_link_by_builtin_and_secondary_trusted and
> restrict_link_to_builtin_trusted.
> 
> Use /* instead of /** for get_builtin_and_secondary_restriction, since
> it is a static function.
> 
> Fix wrong function name restrict_link_to_builtin_trusted.
> 
> Fixes: d3bfe84129f6 ("certs: Add a secondary system keyring that can be added to dynamically")
> Signed-off-by: Eric Snowberg <eric.snowberg@...cle.com>
> Reviewed-by: Petr Vorel <pvorel@...e.cz>
> ---
>  certs/system_keyring.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/certs/system_keyring.c b/certs/system_keyring.c
> index 5042cc54fa5e..e531b88bc570 100644
> --- a/certs/system_keyring.c
> +++ b/certs/system_keyring.c
> @@ -33,7 +33,11 @@ extern __initconst const unsigned long system_certificate_list_size;
>  extern __initconst const unsigned long module_cert_size;
>  
>  /**
> - * restrict_link_to_builtin_trusted - Restrict keyring addition by built in CA
> + * restrict_link_by_builtin_trusted - Restrict keyring addition by built in CA

While fixing the kernel doc, might as well update "built in" to be
consistent.

> + * @dest_keyring: Keyring being linked to.
> + * @type: The type of key being added.
> + * @payload: The payload of the new key.
> + * @restriction_key: A ring of keys that can be used to vouch for the new cert.
>   *
>   * Restrict the addition of keys into a keyring based on the key-to-be-added
>   * being vouched for by a key in the built in system keyring.
> @@ -50,7 +54,11 @@ int restrict_link_by_builtin_trusted(struct key *dest_keyring,
>  #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
>  /**
>   * restrict_link_by_builtin_and_secondary_trusted - Restrict keyring
> - *   addition by both builtin and secondary keyrings
> + *   addition by both builtin and secondary keyrings.

and here 

> + * @dest_keyring: Keyring being linked to.
> + * @type: The type of key being added.
> + * @payload: The payload of the new key.
> + * @restrict_key: A ring of keys that can be used to vouch for the new cert.
>   *
>   * Restrict the addition of keys into a keyring based on the key-to-be-added
>   * being vouched for by a key in either the built-in or the secondary system

and here

> @@ -75,7 +83,7 @@ int restrict_link_by_builtin_and_secondary_trusted(
>  					  secondary_trusted_keys);
>  }
>  
> -/**
> +/*
>   * Allocate a struct key_restriction for the "builtin and secondary trust"
>   * keyring. Only for use in system_trusted_keyring_init().
>   */

Reviewed-by:  Mimi Zohar <zohar@...ux.ibm.com>