[PATCH v4 4/5] audit: Use task_is_in_init_pid_ns()

[Leo Yan]

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

Signed-off-by: Leo Yan <leo.yan at linaro.org>
Acked-by: Balbir Singh <bsingharora at gmail.com>
Acked-by: Paul Moore <paul at paul-moore.com>
Reviewed-by: Richard Guy Briggs <rgb at redhat.com>
---
 kernel/audit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 7690c29d4ee4..4dfa58865d9a 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1056,7 +1056,7 @@ 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