linux-kernel - Re: [PATCH] security: fix error return path in ima_inode

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Date:	Wed, 24 Feb 2010 10:41:30 -0500
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Xiaotian Feng <dfeng@...hat.com>
Cc:	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, Mimi Zohar <zohar@...ibm.com>,
	James Morris <jmorris@...ei.org>,
	Eric Paris <eparis@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	"Amit K. Arora" <amitarora@...ibm.com>
Subject: Re: [PATCH] security: fix error return path in ima_inode_alloc

On Wed, 2010-02-24 at 18:39 +0800, Xiaotian Feng wrote:
> If radix_tree_preload is failed in ima_inode_alloc, we don't need
> radix_tree_preload_end because kernel is alread preempt enabled
> 
> Signed-off-by: Xiaotian Feng <dfeng@...hat.com>

Signed-off-by: Mimi Zohar <zohar@...ibm.com>

thanks,
Mimi

> Cc: Mimi Zohar <zohar@...ibm.com>
> Cc: James Morris <jmorris@...ei.org>
> Cc: Eric Paris <eparis@...hat.com>
> Cc: Al Viro <viro@...iv.linux.org.uk>
> Cc: Amit K. Arora <amitarora@...ibm.com>
> ---
>  security/integrity/ima/ima_iint.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/security/integrity/ima/ima_iint.c b/security/integrity/ima/ima_iint.c
> index 0d83edc..2d4d05d 100644
> --- a/security/integrity/ima/ima_iint.c
> +++ b/security/integrity/ima/ima_iint.c
> @@ -63,12 +63,11 @@ int ima_inode_alloc(struct inode *inode)
>  	spin_lock(&ima_iint_lock);
>  	rc = radix_tree_insert(&ima_iint_store, (unsigned long)inode, iint);
>  	spin_unlock(&ima_iint_lock);
> +	radix_tree_preload_end();
>  out:
>  	if (rc < 0)
>  		kmem_cache_free(iint_cache, iint);
> 
> -	radix_tree_preload_end();
> -
>  	return rc;
>  }
> 


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