Replace open code with task_is_in_init_pid_ns() for checking root PID
namespace.
Signed-off-by: Leo Yan <leo....@linaro.org>
Acked-by: Balbir Singh <bsinghar...@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) {
--
2.25.1
--
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