Thread (24 messages) 24 messages, 6 authors, 2022-01-24
STALE1601d
Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

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

From: Leo Yan <hidden>
Date: 2021-12-08 08:33:52
Also in: linux-arm-kernel, lkml
Subsystem: taskstats statistics interface, the rest · Maintainers: Balbir Singh, Linus Torvalds

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

Signed-off-by: Leo Yan <redacted>
---
 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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