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Subject: Re: [PATCH -next] evm: remove set but not used variable 'xattr'
To:     Mimi Zohar <zohar@linux.ibm.com>, James Morris <jmorris@namei.org>,
        "Serge E. Hallyn" <serge@hallyn.com>
References: <1544867636-59276-1-git-send-email-yuehaibing@huawei.com>
 <1544868370-83459-1-git-send-email-yuehaibing@huawei.com>
CC:     <linux-integrity@vger.kernel.org>,
        <linux-security-module@vger.kernel.org>,
        <kernel-janitors@vger.kernel.org>
From:   YueHaibing <yuehaibing@huawei.com>
Message-ID: <9bdb64b6-501e-cd37-d4ab-a041ac25e738@huawei.com>
Date:   Thu, 17 Jan 2019 16:21:34 +0800
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ping...

On 2018/12/15 18:06, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> security/integrity/evm/evm_main.c: In function 'init_evm':
> security/integrity/evm/evm_main.c:566:21: warning:
>  variable 'xattr' set but not used [-Wunused-but-set-variable]
> 
> It never used since commit 21af76631476 ("EVM: turn evm_config_xattrnames
> into a list")
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  security/integrity/evm/evm_main.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
> index 5ecaa3d..b6d9f14 100644
> --- a/security/integrity/evm/evm_main.c
> +++ b/security/integrity/evm/evm_main.c
> @@ -563,7 +563,6 @@ static int __init init_evm(void)
>  {
>  	int error;
>  	struct list_head *pos, *q;
> -	struct xattr_list *xattr;
>  
>  	evm_init_config();
>  
> @@ -580,11 +579,8 @@ static int __init init_evm(void)
>  error:
>  	if (error != 0) {
>  		if (!list_empty(&evm_config_xattrnames)) {
> -			list_for_each_safe(pos, q, &evm_config_xattrnames) {
> -				xattr = list_entry(pos, struct xattr_list,
> -						   list);
> +			list_for_each_safe(pos, q, &evm_config_xattrnames)
>  				list_del(pos);
> -			}
>  		}
>  	}
> 
> 
> 
> 
> .
>