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Subject: Re: [PATCH v2 13/21] ima: use match_string() helper
From:   Mimi Zohar <zohar@linux.vnet.ibm.com>
To:     Yisheng Xie <xieyisheng1@huawei.com>, linux-kernel@vger.kernel.org
Cc:     andy.shevchenko@gmail.com,
        Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
        James Morris <jmorris@namei.org>,
        "Serge E. Hallyn" <serge@hallyn.com>,
        linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org
Date:   Thu, 31 May 2018 11:02:38 -0400
In-Reply-To: <1527765086-19873-14-git-send-email-xieyisheng1@huawei.com>
References: <1527765086-19873-1-git-send-email-xieyisheng1@huawei.com>
         <1527765086-19873-14-git-send-email-xieyisheng1@huawei.com>
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On Thu, 2018-05-31 at 19:11 +0800, Yisheng Xie wrote:
> match_string() returns the index of an array for a matching string,
> which can be used instead of open coded variant.
> 
> Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
> Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
> Cc: James Morris <jmorris@namei.org>
> Cc: "Serge E. Hallyn" <serge@hallyn.com>
> Cc: linux-integrity@vger.kernel.org
> Cc: linux-security-module@vger.kernel.org
> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>

In the future, the patch's author Signed-off-by is always first.

Thanks, this patch is now queued in the next-integrity branch.

Mimi

> ---
> v2:
>  - add Reviewed-by tag.
> 
>  security/integrity/ima/ima_main.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
> index 74d0bd7..f807093 100644
> --- a/security/integrity/ima/ima_main.c
> +++ b/security/integrity/ima/ima_main.c
> @@ -61,14 +61,11 @@ static int __init hash_setup(char *str)
>  		goto out;
>  	}
> 
> -	for (i = 0; i < HASH_ALGO__LAST; i++) {
> -		if (strcmp(str, hash_algo_name[i]) == 0) {
> -			ima_hash_algo = i;
> -			break;
> -		}
> -	}
> -	if (i == HASH_ALGO__LAST)
> +	i = match_string(hash_algo_name, HASH_ALGO__LAST, str);
> +	if (i < 0)
>  		return 1;
> +
> +	ima_hash_algo = i;
>  out:
>  	hash_setup_done = 1;
>  	return 1;