+#ifdef CONFIG_KEYS
+static inline int dummy_key_alloc(struct key *key)
+{
+ return 0;
+}
+
+static inline void dummy_key_free(struct key *key)
+{
+}
+
+static inline int dummy_key_permission(key_ref_t key_ref,
+ struct task_struct *context,
+ key_perm_t perm)
+{
+ return 0;
+}
+#endif /* CONFIG_KEYS */