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Message-Id: <20211205145105.57824-8-leo.yan@linaro.org>
Date: Sun, 5 Dec 2021 22:51:05 +0800
From: Leo Yan <leo.yan@...aro.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
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>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, codalist@...a.cs.cmu.edu,
linux-audit@...hat.com
Cc: Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v1 7/7] taskstats: Use task_is_in_root_ns()
Replace open coded checking root PID namespace with
task_is_in_root_ns().
Signed-off-by: Leo Yan <leo.yan@...aro.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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