ReviveXR: Fix stack overflow on hooked function.

Author: CrossVR

ReviveXR/REV_CAPI_D3D.cpp

@@ -15,15 +15,12 @@
 
 LONG DetourVirtual(PVOID pInstance, UINT methodPos, PVOID *ppPointer, PVOID pDetour)
 {
-LPVOID* pVMT = *((LPVOID**)pInstance);
-LPVOID pTarget = pVMT[methodPos];
+if (!pInstance || !ppPointer)
+return ERROR_INVALID_PARAMETER;
 
-if (ppPointer != NULL)
-{
-*ppPointer = pTarget;
-}
-
-return DetourAttach(&pTarget, pDetour);
+LPVOID* pVMT = *((LPVOID**)pInstance);
+*ppPointer = pVMT[methodPos];
+return DetourAttach(ppPointer, pDetour);
 }
 
 typedef HRESULT(WINAPI* _CreateRenderTargetView)(