linux-kernel - Re: [PATCH] IMA: Add __init notation to ima functions

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Date:	Thu, 21 May 2009 18:12:48 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Eric Paris <eparis@...hat.com>
Cc:	linux-kernel@...r.kernel.org, jmorris@...ei.org,
	safford@...son.ibm.com
Subject: Re: [PATCH] IMA: Add __init notation to ima functions

On Thu, 2009-05-21 at 15:43 -0400, Eric Paris wrote:
> A number of IMA functions only used during init are not marked with __init.
> Add those notations so they are freed automatically.
> 
> Signed-off-by: Eric Paris <eparis@...hat.com>
Acked-by: Mimi Zohar <zohar@...ibm.com>
> ---
> 
>  security/integrity/ima/ima_crypto.c |    4 ++--
>  security/integrity/ima/ima_fs.c     |    2 +-
>  security/integrity/ima/ima_iint.c   |    2 +-
>  security/integrity/ima/ima_init.c   |    4 ++--
>  security/integrity/ima/ima_policy.c |    2 +-
>  5 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
> index 50d572b..63003a6 100644
> --- a/security/integrity/ima/ima_crypto.c
> +++ b/security/integrity/ima/ima_crypto.c
> @@ -103,7 +103,7 @@ int ima_calc_template_hash(int template_len, void *template, char *digest)
>  	return rc;
>  }
> 
> -static void ima_pcrread(int idx, u8 *pcr)
> +static void __init ima_pcrread(int idx, u8 *pcr)
>  {
>  	if (!ima_used_chip)
>  		return;
> @@ -115,7 +115,7 @@ static void ima_pcrread(int idx, u8 *pcr)
>  /*
>   * Calculate the boot aggregate hash
>   */
> -int ima_calc_boot_aggregate(char *digest)
> +int __init ima_calc_boot_aggregate(char *digest)
>  {
>  	struct hash_desc desc;
>  	struct scatterlist sg;
> diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
> index 2a829da..6bfc7ea 100644
> --- a/security/integrity/ima/ima_fs.c
> +++ b/security/integrity/ima/ima_fs.c
> @@ -319,7 +319,7 @@ static struct file_operations ima_measure_policy_ops = {
>  	.release = ima_release_policy
>  };
> 
> -int ima_fs_init(void)
> +int __init ima_fs_init(void)
>  {
>  	ima_dir = securityfs_create_dir("ima", NULL);
>  	if (IS_ERR(ima_dir))
> diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c
> index ec79f1e..b8dd693 100644
> --- a/security/integrity/ima/ima_iint.c
> +++ b/security/integrity/ima/ima_iint.c
> @@ -196,7 +196,7 @@ static void init_once(void *foo)
>  	kref_set(&iint->refcount, 1);
>  }
> 
> -void ima_iintcache_init(void)
> +void __init ima_iintcache_init(void)
>  {
>  	iint_cache =
>  	    kmem_cache_create("iint_cache", sizeof(struct ima_iint_cache), 0,
> diff --git a/security/integrity/ima/ima_init.c b/security/integrity/ima/ima_init.c
> index 0b0bb8c..a40da7a 100644
> --- a/security/integrity/ima/ima_init.c
> +++ b/security/integrity/ima/ima_init.c
> @@ -38,7 +38,7 @@ int ima_used_chip;
>   * a different value.) Violations add a zero entry to the measurement
>   * list and extend the aggregate PCR value with ff...ff's.
>   */
> -static void ima_add_boot_aggregate(void)
> +static void __init ima_add_boot_aggregate(void)
>  {
>  	struct ima_template_entry *entry;
>  	const char *op = "add_boot_aggregate";
> @@ -71,7 +71,7 @@ err_out:
>  			    audit_cause, result, 0);
>  }
> 
> -int ima_init(void)
> +int __init ima_init(void)
>  {
>  	u8 pcr_i[IMA_DIGEST_SIZE];
>  	int rc;
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index 31d677f..fd72d77 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -160,7 +160,7 @@ int ima_match_policy(struct inode *inode, enum ima_hooks func, int mask)
>   * ima_measure points to either the measure_default_rules or the
>   * the new measure_policy_rules.
>   */
> -void ima_init_policy(void)
> +void __init ima_init_policy(void)
>  {
>  	int i;
> 
> 

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