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 5/7] coda: Use task_is_in_root_ns()
Date:   Sun,  5 Dec 2021 22:51:03 +0800
Message-Id: <20211205145105.57824-6-leo.yan@linaro.org>
In-Reply-To: <20211205145105.57824-1-leo.yan@linaro.org>
References: <20211205145105.57824-1-leo.yan@linaro.org>
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Replace open coded checking root PID namespace with
task_is_in_root_ns().

Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 fs/coda/inode.c | 2 +-
 fs/coda/psdev.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index d9f1bd7153df..a7d630ac522e 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -152,7 +152,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
 	int error;
 	int idx;
 
-	if (task_active_pid_ns(current) != &init_pid_ns)
+	if (!task_is_in_root_ns(current))
 		return -EINVAL;
 
 	idx = get_device_index((struct coda_mount_data *) data);
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index b39580ad4ce5..54db13bf2e06 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -270,7 +270,7 @@ static int coda_psdev_open(struct inode * inode, struct file * file)
 	struct venus_comm *vcp;
 	int idx, err;
 
-	if (task_active_pid_ns(current) != &init_pid_ns)
+	if (!task_is_in_root_ns(current))
 		return -EINVAL;
 
 	if (current_user_ns() != &init_user_ns)
-- 
2.25.1