From: Christian Brauner <brauner@kernel.org>
Date: Thu, 18 Sep 2025 10:11:48 +0000 (+0200)
Subject: cgroup: port to ns_ref_*() helpers
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=06099e374f3ab818f0501671b21493ba2e1b94b9;p=thirdparty%2Fkernel%2Fstable.git

cgroup: port to ns_ref_*() helpers

Stop accessing ns.count directly.

Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/include/linux/cgroup_namespace.h b/include/linux/cgroup_namespace.h
index c02bb76c5e328..b7dbf4d623d26 100644
--- a/include/linux/cgroup_namespace.h
+++ b/include/linux/cgroup_namespace.h
@@ -29,12 +29,12 @@ int cgroup_path_ns(struct cgroup *cgrp, char *buf, size_t buflen,
 
 static inline void get_cgroup_ns(struct cgroup_namespace *ns)
 {
-	refcount_inc(&ns->ns.count);
+	ns_ref_inc(ns);
 }
 
 static inline void put_cgroup_ns(struct cgroup_namespace *ns)
 {
-	if (refcount_dec_and_test(&ns->ns.count))
+	if (ns_ref_put(ns))
 		free_cgroup_ns(ns);
 }