uts: port to ns_ref_*() helpers

Stop accessing ns.count directly.

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

diff --git a/include/linux/uts_namespace.h b/include/linux/uts_namespace.h
index c2b619bb4e573afba42012bd02df3f5d4ca3ca9b..23b4f0e1b33848f5bb162377e1a806c75f69dc35 100644 (file)
--- a/include/linux/uts_namespace.h
+++ b/include/linux/uts_namespace.h
@@ -25,7 +25,7 @@ static inline struct uts_namespace *to_uts_ns(struct ns_common *ns)
 
 static inline void get_uts_ns(struct uts_namespace *ns)
 {
-       refcount_inc(&ns->ns.count);
+       ns_ref_inc(ns);
 }
 
 extern struct uts_namespace *copy_utsname(unsigned long flags,
@@ -34,7 +34,7 @@ extern void free_uts_ns(struct uts_namespace *ns);
 
 static inline void put_uts_ns(struct uts_namespace *ns)
 {
-       if (refcount_dec_and_test(&ns->ns.count))
+       if (ns_ref_put(ns))
                free_uts_ns(ns);
 }