From: Leo Yan <leo.yan@linaro.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
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>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
codalist@coda.cs.cmu.edu, linux-audit@redhat.com
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v1 7/7] taskstats: Use task_is_in_root_ns()
Date: Sun, 5 Dec 2021 22:51:05 +0800 [thread overview]
Message-ID: <20211205145105.57824-8-leo.yan@linaro.org> (raw)
In-Reply-To: <20211205145105.57824-1-leo.yan@linaro.org>
Replace open coded checking root PID namespace with
task_is_in_root_ns().
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
kernel/taskstats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 2b4898b4752e..c6a19d3911b3 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_root_ns(current))
return -EINVAL;
if (isadd == REGISTER) {
--
2.25.1
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prev parent reply other threads:[~2021-12-05 14:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-05 14:50 [PATCH v1 0/7] pid: Introduce helper task_is_in_root_ns() Leo Yan
2021-12-05 14:50 ` [PATCH v1 1/7] " Leo Yan
2021-12-06 6:49 ` Leon Romanovsky
2021-12-06 7:03 ` Leo Yan
2021-12-06 7:13 ` Leon Romanovsky
2021-12-05 14:51 ` [PATCH v1 2/7] coresight: etm3x: Use task_is_in_root_ns() to check PID namespace Leo Yan
2021-12-05 14:51 ` [PATCH v1 3/7] coresight: etm4x: " Leo Yan
2021-12-05 14:51 ` [PATCH v1 4/7] connector/cn_proc: " Leo Yan
2021-12-05 14:51 ` [PATCH v1 5/7] coda: Use task_is_in_root_ns() Leo Yan
2021-12-05 14:51 ` [PATCH v1 6/7] audit: " Leo Yan
2021-12-05 14:51 ` Leo Yan [this message]
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