linux-kernel - Re: [PATCH] integrity/ima: Add declarations to init

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Date:   Tue, 06 Apr 2021 08:46:31 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Jiele Zhao <unclexiaole@...il.com>, serge@...lyn.com,
        jmorris@...ei.org
Cc:     linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] integrity/ima: Add declarations to init_once void
 arguments.

Hi Jiele,

On Tue, 2021-03-23 at 01:33 +0000, Jiele Zhao wrote:
> init_once is a callback to kmem_cache_create. The parameter
> type of this function is void *, so it's better to give a
> explicit cast here.
> 
> Signed-off-by: Jiele Zhao <unclexiaole@...il.com>

Please remove the "ima" in the Subject line and re-post Cc'ing the
linux-integrity mailing list.

> ---
>  security/integrity/iint.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/integrity/iint.c b/security/integrity/iint.c
> index 1d20003243c3..5f3f2de997e1 100644
> --- a/security/integrity/iint.c
> +++ b/security/integrity/iint.c
> @@ -152,7 +152,7 @@ void integrity_inode_free(struct inode *inode)
> 
>  static void init_once(void *foo)
>  {
> -	struct integrity_iint_cache *iint = foo;
> +	struct integrity_iint_cache *iint = (struct integrity_iint_cache *)foo;

Like the other init_once() examples, please add a blank before foo.

thanks,

Mimi
> 
>  	memset(iint, 0, sizeof(*iint));
>  	iint->ima_file_status = INTEGRITY_UNKNOWN;