oldwork 1617 security/keys/keyctl.c struct callback_head *newwork, *oldwork; oldwork 1645 security/keys/keyctl.c oldwork = NULL; oldwork 1684 security/keys/keyctl.c oldwork = task_work_cancel(parent, key_change_session_keyring); oldwork 1694 security/keys/keyctl.c if (oldwork) oldwork 1695 security/keys/keyctl.c put_cred(container_of(oldwork, struct cred, rcu));