diff options
Diffstat (limited to 'security/keys/keyring.c')
| -rw-r--r-- | security/keys/keyring.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c index 09d92d52ef7..d65a180f888 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -481,51 +481,6 @@ key_ref_t __keyring_search_one(key_ref_t keyring_ref, /*****************************************************************************/ /* - * search for an instantiation authorisation key matching a target key - * - the RCU read lock must be held by the caller - * - a target_id of zero specifies any valid token - */ -struct key *keyring_search_instkey(struct key *keyring, - key_serial_t target_id) -{ - struct request_key_auth *rka; - struct keyring_list *klist; - struct key *instkey; - int loop; - - klist = rcu_dereference(keyring->payload.subscriptions); - if (klist) { - for (loop = 0; loop < klist->nkeys; loop++) { - instkey = klist->keys[loop]; - - if (instkey->type != &key_type_request_key_auth) - continue; - - rka = instkey->payload.data; - if (target_id && rka->target_key->serial != target_id) - continue; - - /* the auth key is revoked during instantiation */ - if (!test_bit(KEY_FLAG_REVOKED, &instkey->flags)) - goto found; - - instkey = ERR_PTR(-EKEYREVOKED); - goto error; - } - } - - instkey = ERR_PTR(-EACCES); - goto error; - -found: - atomic_inc(&instkey->usage); -error: - return instkey; - -} /* end keyring_search_instkey() */ - -/*****************************************************************************/ -/* * find a keyring with the specified name * - all named keyrings are searched * - only find keyrings with search permission for the process |