1 files changed, 6 insertions, 26 deletions

diff --git a/include/linux/key.h b/include/linux/key.h
index 1b70e35a71e3..21d32a142c00 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -73,6 +73,7 @@ struct key;
 struct seq_file;
 struct user_struct;
 struct signal_struct;
+struct cred;
 
 struct key_type;
 struct key_owner;
@@ -181,7 +182,7 @@ struct key {
 extern struct key *key_alloc(struct key_type *type,
                              const char *desc,
                              uid_t uid, gid_t gid,
-                             struct task_struct *ctx,
+                             const struct cred *cred,
                              key_perm_t perm,
                              unsigned long flags);
 
@@ -249,7 +250,7 @@ extern int key_unlink(struct key *keyring,
                       struct key *key);
 
 extern struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid,
-                                 struct task_struct *ctx,
+                                 const struct cred *cred,
                                  unsigned long flags,
                                  struct key *dest);
 
@@ -276,24 +277,11 @@ extern ctl_table key_sysctls[];
 /*
  * the userspace interface
  */
-extern void switch_uid_keyring(struct user_struct *new_user);
-extern int copy_keys(unsigned long clone_flags, struct task_struct *tsk);
-extern int copy_thread_group_keys(struct task_struct *tsk);
-extern void exit_keys(struct task_struct *tsk);
-extern void exit_thread_group_keys(struct signal_struct *tg);
-extern int suid_keys(struct task_struct *tsk);
-extern int exec_keys(struct task_struct *tsk);
+extern int install_thread_keyring_to_cred(struct cred *cred);
 extern void key_fsuid_changed(struct task_struct *tsk);
 extern void key_fsgid_changed(struct task_struct *tsk);
 extern void key_init(void);
 
-#define __install_session_keyring(tsk, keyring)                 \
-({                                                              \
-        struct key *old_session = tsk->signal->session_keyring; \
-        tsk->signal->session_keyring = keyring;                 \
-        old_session;                                            \
-})
-
 #else /* CONFIG_KEYS */
 
 #define key_validate(k)                 0
@@ -302,17 +290,9 @@ extern void key_init(void);
 #define key_revoke(k)                   do { } while(0)
 #define key_put(k)                      do { } while(0)
 #define key_ref_put(k)                  do { } while(0)
-#define make_key_ref(k, p)                      ({ NULL; })
-#define key_ref_to_ptr(k)               ({ NULL; })
+#define make_key_ref(k, p)              NULL
+#define key_ref_to_ptr(k)               NULL
 #define is_key_possessed(k)             0
-#define switch_uid_keyring(u)           do { } while(0)
-#define __install_session_keyring(t, k) ({ NULL; })
-#define copy_keys(f,t)                  0
-#define copy_thread_group_keys(t)       0
-#define exit_keys(t)                    do { } while(0)
-#define exit_thread_group_keys(tg)      do { } while(0)
-#define suid_keys(t)                    do { } while(0)
-#define exec_keys(t)                    do { } while(0)
 #define key_fsuid_changed(t)            do { } while(0)
 #define key_fsgid_changed(t)            do { } while(0)
 #define key_init()                      do { } while(0)