Index: /trunk/src/VBox/Devices/Storage/DrvHostBase.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/DrvHostBase.cpp	(revision 19972)
+++ /trunk/src/VBox/Devices/Storage/DrvHostBase.cpp	(revision 19973)
@@ -164,5 +164,5 @@
         const uint32_t  LBA       = off / pThis->cbBlock;
         AssertReturn(!(off % pThis->cbBlock), VERR_INVALID_PARAMETER);
-        uint32_t        cbRead32  = (uint32_t)cbRead32;
+        uint32_t        cbRead32  = (uint32_t)cbRead;
         const uint32_t  cBlocks   = cbRead32 / pThis->cbBlock;
         AssertReturn(!(cbRead % pThis->cbBlock), VERR_INVALID_PARAMETER);