pid namespaces: make get_pid_ns() return the namespace itself

Make get_pid_ns() return the namespace itself to look like the other getters
and make the code using it look nicer.

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Acked-by: Cedric Le Goater <clg@fr.ibm.com>
Cc: Kirill Korotaev <dev@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index b9a17e08ff0fa6cd24202defde59f46f31da351e..ddb9a4c95968aa5a27ac7cf69faf0a389cd7ddca 100644 (file)
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -24,9 +24,10 @@ struct pid_namespace {
 
 extern struct pid_namespace init_pid_ns;
 
-static inline void get_pid_ns(struct pid_namespace *ns)
+static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
 {
        kref_get(&ns->kref);
+       return ns;
 }
 
 extern struct pid_namespace *copy_pid_ns(unsigned long flags, struct pid_namespace *ns);