Changeset 64657 in vbox for trunk/src/VBox/Devices

Timestamp:

Nov 14, 2016 1:41:43 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

111906

Message:

DrvSCSI: fix for getting the residual count

File:

• trunk/src/VBox/Devices/Storage/DrvSCSI.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/DrvSCSI.cpp

@@ -788 +788 @@
     PDRVSCSIREQ pReq = (PDRVSCSIREQ)hIoReq;
 
-    if (pReq->cbXfer <= pReq->cbBuf)
+    if (pReq->cbXfer && pReq->cbXfer <= pReq->cbBuf)
         *pcbResidual = pReq->cbBuf - pReq->cbXfer;
     else
-        *pcbResidual = 0; /* Overflow/Underrun error. */
+        *pcbResidual = 0; /* Overflow/Underrun error or no data transfers. */
     return VINF_SUCCESS;
 }