linux-kernel - Re: [PATCH] security: tomoyo: Fix obsolete function

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Date:   Tue, 4 Sep 2018 19:22:40 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Ding Xiang <dingxiang@...s.chinamobile.com>,
        linux-security-module@...r.kernel.org
Cc:     takedakn@...data.co.jp, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] security: tomoyo: Fix obsolete function

On 2018/09/04 17:41, Ding Xiang wrote:
> simple_strtoul is obsolete, and use kstrtouint instead
> 
> Signed-off-by: Ding Xiang <dingxiang@...s.chinamobile.com>

Acked-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>

> ---
>  security/tomoyo/common.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
> index 03923a1..9b38f94 100644
> --- a/security/tomoyo/common.c
> +++ b/security/tomoyo/common.c
> @@ -1660,7 +1660,8 @@ static void tomoyo_read_pid(struct tomoyo_io_buffer *head)
>  	head->r.eof = true;
>  	if (tomoyo_str_starts(&buf, "global-pid "))
>  		global_pid = true;
> -	pid = (unsigned int) simple_strtoul(buf, NULL, 10);
> +	if (kstrtouint(buf, 10, &pid))
> +		return;
>  	rcu_read_lock();
>  	if (global_pid)
>  		p = find_task_by_pid_ns(pid, &init_pid_ns);
>