fix <win7 error
@@ -1950,7 +1950,7 @@ VioStorCompleteRequest(
if (vbr->out_hdr.type == VIRTIO_BLK_T_GET_ID) {
adaptExt->sn_ok = TRUE;
if (Srb) {
- PCDB cdb = SRB_CDB((PSRB_TYPE)(Srb));
+ PCDB cdb = SRB_CDB(Srb);
if ((cdb->CDB6INQUIRY3.PageCode == VPD_SERIAL_NUMBER) &&
(cdb->CDB6INQUIRY3.EnableVitalProductData == 1)) {
PVPD_SERIAL_NUMBER_PAGE SerialPage;
