[PATCH v4 5/5] taskstats: Use task_is_in_init_pid_ns()

Replace open code with task_is_in_init_pid_ns() for checking root PID namespace.

Signed-off-by: Leo Yan leo.yan@linaro.org Acked-by: Balbir Singh bsingharora@gmail.com --- 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) {