diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 2d523b71cc1fd67b33b3135aeee2dc3eb0a52d08..d1dfa784d89540ea14b413a3795e79d0b51a7681 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2158,7 +2158,9 @@ __qla2x00_alloc_iocbs(struct qla_qpair *qpair, srb_t *sp)
 skip_cmd_array:
 	/* Check for room on request queue. */
 	if (req->cnt < req_cnt + 2) {
-		if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
+		if (qpair->use_shadow_reg)
+			cnt = *req->out_ptr;
+		else if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
 			cnt = RD_REG_DWORD(&reg->isp25mq.req_q_out);
 		else if (IS_P3P_TYPE(ha))
 			cnt = RD_REG_DWORD(&reg->isp82.req_q_out);