1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/key.h b/include/linux/key.h
index 3db0adce1fda..b2bb01719561 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -170,6 +170,7 @@ struct key {
                 struct list_head        link;
                 unsigned long           x[2];
                 void                    *p[2];
+                int                     reject_error;
         } type_data;
 
         /* key data
@@ -275,6 +276,10 @@ static inline key_serial_t key_serial(struct key *key)
         return key ? key->serial : 0;
 }
 
+#define rcu_dereference_key(KEY)                                        \
+        (rcu_dereference_protected((KEY)->payload.rcudata,              \
+                                   rwsem_is_locked(&((struct key *)(KEY))->sem)))
+
 #ifdef CONFIG_SYSCTL
 extern ctl_table key_sysctls[];
 #endif