From: Leo Yan <leo.yan@linaro.org>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jan Harkes <jaharkes@cs.cmu.edu>,
coda@cs.cmu.edu, Paul Moore <paul@paul-moore.com>,
Eric Paris <eparis@redhat.com>,
Balbir Singh <bsingharora@gmail.com>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, codalist@telemann.coda.cs.cmu.edu,
linux-audit@redhat.com
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v4 5/5] taskstats: Use task_is_in_init_pid_ns()
Date: Fri, 4 Feb 2022 21:50:51 +0800 [thread overview]
Message-ID: <20220204135051.60639-6-leo.yan@linaro.org> (raw)
In-Reply-To: <20220204135051.60639-1-leo.yan@linaro.org>
Replace open code with task_is_in_init_pid_ns() for checking root PID
namespace.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Balbir Singh <bsingharora@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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prev parent reply other threads:[~2022-02-04 14:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-04 13:50 [PATCH v4 0/5] pid: Use helper task_is_in_root_ns() Leo Yan
2022-02-04 13:50 ` [PATCH v4 1/5] coresight: etm3x: Use task_is_in_init_pid_ns() Leo Yan
2022-02-04 13:50 ` [PATCH v4 2/5] coresight: etm4x: " Leo Yan
2022-02-04 13:50 ` [PATCH v4 3/5] coda: " Leo Yan
2022-02-04 13:50 ` [PATCH v4 4/5] audit: " Leo Yan
2022-02-04 13:50 ` Leo Yan [this message]
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