Fix Code Integrity error generated by the Drive Verifier

Add MdlMappingNoExecute to MmGetSystemAddressForMDLSafe call in
ExecutePresentDisplayOnly.

1 files changed, 2 insertions, 2 deletions

diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
index 77f4f86..1225f04 100755
--- a/qxldod/QxlDod.cpp
+++ b/qxldod/QxlDod.cpp
@@ -2720,7 +2720,7 @@ VgaDevice::ExecutePresentDisplayOnly(
         // Note: double mapping the buffer this way causes lot of system

         // overhead for large size buffers.

         ctx->SrcAddr = reinterpret_cast<BYTE*>

-            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority ));

+            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority | MdlMappingNoExecute));

 

         if(!ctx->SrcAddr) {

             Status = STATUS_INSUFFICIENT_RESOURCES;

@@ -3619,7 +3619,7 @@ QxlDevice::ExecutePresentDisplayOnly(
         // Note: double mapping the buffer this way causes lot of system

         // overhead for large size buffers.

         ctx->SrcAddr = reinterpret_cast<BYTE*>

-            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority ));

+            (MmGetSystemAddressForMdlSafe(mdl, NormalPagePriority | MdlMappingNoExecute));

 

         if(!ctx->SrcAddr) {

             Status = STATUS_INSUFFICIENT_RESOURCES;