[PATCH v2 7/7] taskstats: Use task_is_in_init_pid_ns()

Leo Yan
2021-12-08T13:07:26Z

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

Signed-off-by: Leo Yan <leo.yan@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