On Wed, Dec 08, 2021 at 04:33:20PM +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....@linaro.org>
> ---
> kernel/taskstats.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/taskstats.c b/kernel/taskstats.c
> index 2b4898b4752e..f570d8e1f001 100644
> --- a/kernel/taskstats.c
> +++ b/kernel/taskstats.c
> @@ -284,7 +284,7 @@ static int add_del_listener(pid_t pid, const struct
> cpumask *mask, int isadd)
> if (current_user_ns() != &init_user_ns)
> return -EINVAL;
>
> - if (task_active_pid_ns(current) != &init_pid_ns)
> + if (!task_is_in_init_pid_ns(current))
> return -EINVAL;
>
> if (isadd == REGISTER) {
> --
> 2.25.1
>
Acked-by: Balbir Singh <bsinghar...@gmail.com>
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