/* ABTS WQE must go to the same WQ as the WQE to be aborted */
        abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx;
        abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp;
-       abts_wqeq->iocb_cmpl = 0;
+       abts_wqeq->iocb_cmpl = NULL;
        abts_wqeq->iocb_flag |= LPFC_IO_NVME;
        abts_wqeq->context2 = ctxp;
        abts_wqeq->vport = phba->pport;
 
        spin_lock_irqsave(&phba->hbalock, flags);
        abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp;
-       abts_wqeq->iocb_cmpl = 0;
+       abts_wqeq->iocb_cmpl = NULL;
        abts_wqeq->iocb_flag |=  LPFC_IO_NVME_LS;
        rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
        spin_unlock_irqrestore(&phba->hbalock, flags);