ring = key_get(key_cred(tsk)->thread_keyring);
if (ring)
break;
+ /* fallthrough */
case KEY_REQKEY_DEFL_PROCESS_KEYRING:
ring = key_get(key_tgcred(tsk)->process_keyring);
if (ring)
break;
+ /* fallthrough */
case KEY_REQKEY_DEFL_SESSION_KEYRING:
rcu_read_lock();
ring = key_get(rcu_dereference(key_tgcred(tsk)
rcu_read_unlock();
if (ring)
break;
+ /* fallthrough */
case KEY_REQKEY_DEFL_USER_SESSION_KEYRING:
ring = key_get(key_cred(tsk)->user->session_keyring);
break;