1 files changed, 14 insertions, 1 deletions

diff --git a/security/keys/internal.h b/security/keys/internal.h
index 65647f825584..f711b094ed41 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -152,7 +152,8 @@ extern long join_session_keyring(const char *name);
 extern struct work_struct key_gc_work;
 extern unsigned key_gc_delay;
 extern void keyring_gc(struct key *keyring, time_t limit);
-extern void key_schedule_gc(time_t expiry_at);
+extern void key_schedule_gc(time_t gc_at);
+extern void key_schedule_gc_links(void);
 extern void key_gc_keytype(struct key_type *ktype);
 
 extern int key_task_permission(const key_ref_t key_ref,
@@ -197,6 +198,17 @@ extern struct key *request_key_auth_new(struct key *target,
 extern struct key *key_get_instantiation_authkey(key_serial_t target_id);
 
 /*
+ * Determine whether a key is dead.
+ */
+static inline bool key_is_dead(struct key *key, time_t limit)
+{
+        return
+                key->flags & ((1 << KEY_FLAG_DEAD) |
+                              (1 << KEY_FLAG_INVALIDATED)) ||
+                (key->expiry > 0 && key->expiry <= limit);
+}
+
+/*
  * keyctl() functions
  */
 extern long keyctl_get_keyring_ID(key_serial_t, int);
@@ -225,6 +237,7 @@ extern long keyctl_reject_key(key_serial_t, unsigned, unsigned, key_serial_t);
 extern long keyctl_instantiate_key_iov(key_serial_t,
                                        const struct iovec __user *,
                                        unsigned, key_serial_t);
+extern long keyctl_invalidate_key(key_serial_t);
 
 extern long keyctl_instantiate_key_common(key_serial_t,
                                           const struct iovec __user *,