linux-kernel - Re: [PATCH 1/2] ext4: use XATTR_*_PREFIX

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Message-ID: <1452071698.3035.0.camel@nonadev.net>
Date:	Wed, 06 Jan 2016 10:14:58 +0100
From:	José Bollo <jobol@...adev.net>
To:	Toralf Förster <toralf.foerster@....de>
Cc:	linux-security-module@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ext4: use XATTR_*_PREFIX_LEN instead sizeof(...)

I prefer the use of sizeof that can't be faked even by error but why not

Le dimanche 03 janvier 2016 à 20:56 +0100, Toralf Förster a écrit :
> use the definition in include/uapi/linux/xattr.h
> 
> Signed-off-by: Toralf Förster <toralf.foerster@....de>
> ---
>  fs/ext4/xattr_security.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
> index 36f4c1a..1a3d629 100644
> --- a/fs/ext4/xattr_security.c
> +++ b/fs/ext4/xattr_security.c
> @@ -16,7 +16,7 @@ ext4_xattr_security_list(const struct xattr_handler *handler,
>  			 struct dentry *dentry, char *list, size_t list_size,
>  			 const char *name, size_t name_len)
>  {
> -	const size_t prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1;
> +	const size_t prefix_len = XATTR_SECURITY_PREFIX_LEN;
>  	const size_t total_len = prefix_len + name_len + 1;
>  
> 


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