[PATCH v1 4/7] connector/cn_proc: Use task_is_in_root_ns() to check PID namespace
From: Leo Yan <hidden>
Date: 2021-12-05 14:51:39
Also in:
lkml, netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
To avoid open code, this patch uses the helper task_is_in_root_ns() to check if task is in root PID namespace. Signed-off-by: Leo Yan <redacted> --- drivers/connector/cn_proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 646ad385e490..b8a4fa366b28 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c@@ -358,7 +358,7 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, * other namespaces. */ if ((current_user_ns() != &init_user_ns) || - (task_active_pid_ns(current) != &init_pid_ns)) + !task_is_in_root_ns(current)) return; /* Can only change if privileged. */
--
2.25.1
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