From: Leo Yan <leo.yan@linaro.org>
Date: Wed, 26 Jan 2022 05:04:27 +0000 (+0800)
Subject: connector/cn_proc: Use task_is_in_init_pid_ns()
X-Git-Tag: v6.1-rc5~2124^2~11^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=42c66d16756402c4749d94f005a998a43e8fa338;p=platform%2Fkernel%2Flinux-starfive.git

connector/cn_proc: Use task_is_in_init_pid_ns()

This patch replaces open code with task_is_in_init_pid_ns() to check if
a task is in root PID namespace.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index 646ad38..ccac1c4 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_init_pid_ns(current))
 		return;
 
 	/* Can only change if privileged. */