diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index c4595626c16b..88bae1166a24 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2530,11 +2530,13 @@ __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
 	 */
 	req->cnt -= req_cnt;
 	pkt = qla_req_ring_slot(ha, req);
-	memset(pkt, 0, qla_req_entry_size(ha));
 	if (IS_QLAFX00(ha)) {
+		memset_io((void __iomem __force *)pkt, 0,
+			  qla_req_entry_size(ha));
 		wrt_reg_byte((u8 __force __iomem *)&pkt->entry_count, req_cnt);
 		wrt_reg_dword((__le32 __force __iomem *)&pkt->handle, handle);
 	} else {
+		memset(pkt, 0, qla_req_entry_size(ha));
 		pkt->entry_count = req_cnt;
 		pkt->handle = handle;
 	}