linux-kernel - Re: [PATCH v2 02/10] KEYS: Add missing function documentation

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Message-ID: <Y5F0fP0MH+LUod4f@pevik>
Date:   Thu, 8 Dec 2022 06:22:04 +0100
From:   Petr Vorel <pvorel@...e.cz>
To:     Eric Snowberg <eric.snowberg@...cle.com>
Cc:     jarkko@...nel.org, zohar@...ux.ibm.com, dhowells@...hat.com,
        dwmw2@...radead.org, herbert@...dor.apana.org.au,
        davem@...emloft.net, dmitry.kasatkin@...il.com,
        paul@...l-moore.com, jmorris@...ei.org, serge@...lyn.com,
        noodles@...com, tiwai@...e.de, bp@...e.de,
        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 v2 02/10] KEYS: Add missing function documentation

Hi Eric,

> 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.

> Signed-off-by: Eric Snowberg <eric.snowberg@...cle.com>
> ---
>  certs/system_keyring.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

> diff --git a/certs/system_keyring.c b/certs/system_keyring.c
> index 5042cc54fa5e..250148298690 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
Hm, wrong function name restrict_link_to_builtin_trusted brought by:
d3bfe84129f6 ("certs: Add a secondary system keyring that can be added to dynamically")

> + * @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.
> @@ -51,6 +55,10 @@ int restrict_link_by_builtin_trusted(struct key *dest_keyring,
>  /**
>   * restrict_link_by_builtin_and_secondary_trusted - Restrict keyring
>   *   addition by both builtin and secondary keyrings
nit: missing dot at the end of the sentence (maybe can be fixed before merge).

Obviously correct.

Reviewed-by: Petr Vorel <pvorel@...e.cz>

Kind regards,
Petr

> + * @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
> @@ -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().
>   */