Index: /trunk/src/VBox/VMM/PDMAsyncCompletionFileNormal.cpp
===================================================================
--- /trunk/src/VBox/VMM/PDMAsyncCompletionFileNormal.cpp	(revision 26671)
+++ /trunk/src/VBox/VMM/PDMAsyncCompletionFileNormal.cpp	(revision 26672)
@@ -712,5 +712,5 @@
         PPDMACTASKFILE pCurr = pTaskHead;
 
-        if (!pdmacFileBwMgrIsTransferAllowed(pEndpoint->pBwMgr, pCurr->DataSeg.cbSeg))
+        if (!pdmacFileBwMgrIsTransferAllowed(pEndpoint->pBwMgr, (uint32_t)pCurr->DataSeg.cbSeg))
         {
             pAioMgr->fBwLimitReached = true;