tcf_qevent_validate_change
int tcf_qevent_validate_change(struct tcf_qevent *qe, struct nlattr *block_index_attr,
EXPORT_SYMBOL(tcf_qevent_validate_change);
err = tcf_qevent_validate_change(&q->qe_early_drop,
err = tcf_qevent_validate_change(&q->qe_mark,