1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 4aaeab376446..9aeeb0ba2003 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -354,9 +354,11 @@ static inline void put_cred(const struct cred *_cred)
 #define current_fsgid()         (current_cred_xxx(fsgid))
 #define current_cap()           (current_cred_xxx(cap_effective))
 #define current_user()          (current_cred_xxx(user))
-#define current_user_ns()       (current_cred_xxx(user)->user_ns)
+#define _current_user_ns()      (current_cred_xxx(user)->user_ns)
 #define current_security()      (current_cred_xxx(security))
 
+extern struct user_namespace *current_user_ns(void);
+
 #define current_uid_gid(_uid, _gid)             \
 do {                                            \
         const struct cred *__cred;              \