[PATCH v2 6/7] audit: Use task_is_in_init_pid_ns()

From: Leo Yan
Date: Wed Dec 08 2021 - 03:33:56 EST


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

Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
---
kernel/audit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 121d37e700a6..56ea91014180 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1034,7 +1034,7 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
case AUDIT_MAKE_EQUIV:
/* Only support auditd and auditctl in initial pid namespace
* for now. */
- if (task_active_pid_ns(current) != &init_pid_ns)
+ if (!task_is_in_init_pid_ns(current))
return -EPERM;

if (!netlink_capable(skb, CAP_AUDIT_CONTROL))
--
2.25.1