Re: [PATCH v2] landlock: Fix kernel-doc warning for pointer-to-array parameters

["Günther Noack" <gnoack3000@gmail.com>]

On Tue, Mar 10, 2026 at 06:20:03PM +0100, Mickaël Salaün wrote:
> The insert_rule() and create_rule() functions take a
> pointer-to-flexible-array parameter declared as:
> 
>   const struct landlock_layer (*const layers)[]
> 
> The kernel-doc parser cannot handle a qualifier between * and the
> parameter name in this syntax, producing spurious "Invalid param" and
> "not described" warnings.
> 
> Remove the const qualifier of the "layers" argument to avoid this
> parsing issue.
> 
> Cc: Günther Noack <gnoack@google.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Signed-off-by: Mickaël Salaün <mic@digikod.net>
> ---
> 
> Changes since v1:
> https://lore.kernel.org/r/20260304193134.250495-1-mic@digikod.net
> - Remove const instead of using a typedef (suggested by Günther).
> ---
>  security/landlock/ruleset.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/security/landlock/ruleset.c b/security/landlock/ruleset.c
> index 3234a5bc11ff..181df7736bb9 100644
> --- a/security/landlock/ruleset.c
> +++ b/security/landlock/ruleset.c
> @@ -107,7 +107,7 @@ static bool is_object_pointer(const enum landlock_key_type key_type)
>  
>  static struct landlock_rule *
>  create_rule(const struct landlock_id id,
> -	    const struct landlock_layer (*const layers)[], const u32 num_layers,
> +	    const struct landlock_layer (*layers)[], const u32 num_layers,
>  	    const struct landlock_layer *const new_layer)
>  {
>  	struct landlock_rule *new_rule;
> @@ -206,7 +206,7 @@ static void build_check_ruleset(void)
>   */
>  static int insert_rule(struct landlock_ruleset *const ruleset,
>  		       const struct landlock_id id,
> -		       const struct landlock_layer (*const layers)[],
> +		       const struct landlock_layer (*layers)[],
>  		       const size_t num_layers)
>  {
>  	struct rb_node **walker_node;
> -- 
> 2.53.0
> 

Reviewed-by: Günther Noack <gnoack3000@gmail.com>