Changeset 75554 in vbox for trunk/src/VBox/Additions/common/VBoxGuest/lib

Timestamp:

Nov 18, 2018 5:36:59 AM (6 years ago)

Author:

vboxsync

Message:

VMMDev,VBoxGuestR0Lib: Added a new HGCM parameter type that allows embedding small buffers into the request (similar to the page list info structure). Currently only available to kernel code (i.e. shared folders). bugref:9172 [fix]

File:

• trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp (modified) (1 diff)

trunk/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibHGCMInternal.cpp

@@ -979 +979 @@
          */
         VMMDevHGCMCall *pHGCMCall;
-        uint32_t const  cbHGCMCall = sizeof(VMMDevHGCMCall) + pCallInfo->cParms * sizeof(HGCMFunctionParameter) + cbExtra;
+        uint32_t const  cbHGCMCall = sizeof(VMMDevHGCMCall) + pCallInfo->cParms * sizeof(HGCMFunctionParameter) + (uint32_t)cbExtra;
         rc = VbglR0GRAlloc((VMMDevRequestHeader **)&pHGCMCall, cbHGCMCall, VMMDevReq_HGCMCall);
         if (RT_SUCCESS(rc))