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SubjectRe: [PATCH v2 4/7] connector/cn_proc: Use task_is_in_init_pid_ns()
On Wed, Dec 08, 2021 at 04:33:17PM +0800, Leo Yan wrote:
> This patch replaces open code with task_is_in_init_pid_ns() to check if
> a task is in root PID namespace.
>
> Signed-off-by: Leo Yan <leo.yan@linaro.org>
> ---
> drivers/connector/cn_proc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
> index 646ad385e490..ccac1c453080 100644
> --- a/drivers/connector/cn_proc.c
> +++ b/drivers/connector/cn_proc.c
> @@ -358,7 +358,7 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg,
> * other namespaces.
> */
> if ((current_user_ns() != &init_user_ns) ||
> - (task_active_pid_ns(current) != &init_pid_ns))
> + !task_is_in_init_pid_ns(current))
> return;
>

Sounds like there might scope for other wrappers - is_current_in_user_init_ns()

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

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