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Message-Id: <20220204135051.60639-5-leo.yan@linaro.org>
Date:   Fri,  4 Feb 2022 21:50:50 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jan Harkes <jaharkes@...cmu.edu>, coda@...cmu.edu,
        Paul Moore <paul@...l-moore.com>,
        Eric Paris <eparis@...hat.com>,
        Balbir Singh <bsingharora@...il.com>,
        coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, codalist@...a.cs.cmu.edu,
        linux-audit@...hat.com
Cc:     Leo Yan <leo.yan@...aro.org>, Richard Guy Briggs <rgb@...hat.com>
Subject: [PATCH v4 4/5] audit: Use task_is_in_init_pid_ns()

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

Signed-off-by: Leo Yan <leo.yan@...aro.org>
Acked-by: Balbir Singh <bsingharora@...il.com>
Acked-by: Paul Moore <paul@...l-moore.com>
Reviewed-by: Richard Guy Briggs <rgb@...hat.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

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