linux-kernel - Re: [PATCH linux-next] eCryptfs: decrypt_pki_encrypted_session_key(): remove kfree() redundant null check

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Message-ID: <20130212181235.GA7728@boyd>
Date:	Tue, 12 Feb 2013 10:12:35 -0800
From:	Tyler Hicks <tyhicks@...onical.com>
To:	Tim Gardner <tim.gardner@...onical.com>
Cc:	linux-kernel@...r.kernel.org,
	Dustin Kirkland <dustin.kirkland@...zang.com>,
	ecryptfs@...r.kernel.org
Subject: Re: [PATCH linux-next] eCryptfs:
 decrypt_pki_encrypted_session_key(): remove kfree() redundant null check

On 2013-02-12 10:56:54, Tim Gardner wrote:
> smatch analysis:
> 
> fs/ecryptfs/keystore.c:1206 decrypt_pki_encrypted_session_key() info:
>  redundant null check on msg calling kfree()
> 
> Cc: Tyler Hicks <tyhicks@...onical.com>
> Cc: Dustin Kirkland <dustin.kirkland@...zang.com>
> Cc: ecryptfs@...r.kernel.org
> Signed-off-by: Tim Gardner <tim.gardner@...onical.com>

Thanks, Tim. Pushed to the next branch at
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs.git

Tyler

> ---
>  fs/ecryptfs/keystore.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
> index 6154cde..5aceff2 100644
> --- a/fs/ecryptfs/keystore.c
> +++ b/fs/ecryptfs/keystore.c
> @@ -1202,8 +1202,7 @@ decrypt_pki_encrypted_session_key(struct ecryptfs_auth_tok *auth_tok,
>  				  crypt_stat->key_size);
>  	}
>  out:
> -	if (msg)
> -		kfree(msg);
> +	kfree(msg);
>  	return rc;
>  }
>  
> -- 
> 1.7.9.5
> 

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