From: Pavel Emelianov <xemul@openvz.org>

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>
---

 include/linux/pid_namespace.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -puN include/linux/pid_namespace.h~pid-namespaces-make-get_pid_ns-return-the-namespace-itself include/linux/pid_namespace.h
--- a/include/linux/pid_namespace.h~pid-namespaces-make-get_pid_ns-return-the-namespace-itself
+++ a/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);
_