[PATCH v2 6/7] audit: Use task_is_in_init_pid_ns()

[Balbir Singh]

On Wed, Dec 08, 2021 at 04:33:19PM +0800, Leo Yan wrote:
> Replace open code with task_is_in_init_pid_ns() for checking root PID
> namespace.
> 
> Signed-off-by: Leo Yan <leo.yan at linaro.org>
> ---
>  kernel/audit.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/audit.c b/kernel/audit.c
> index 121d37e700a6..56ea91014180 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -1034,7 +1034,7 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
>  	case AUDIT_MAKE_EQUIV:
>  		/* Only support auditd and auditctl in initial pid namespace
>  		 * for now. */
> -		if (task_active_pid_ns(current) != &init_pid_ns)
> +		if (!task_is_in_init_pid_ns(current))
>  			return -EPERM;
>  
>  		if (!netlink_capable(skb, CAP_AUDIT_CONTROL))
> -- 
> 2.25.1
>

Acked-by: Balbir Singh <bsingharora at gmail.com>