SWDEV-326380 - Fixes a regression by verifying the device virtual address already exists in the memObjMap

Change-Id: Ibe29f3c6b77385a8e264ab523cafa4b5d2b41325


[ROCm/clr commit: 85a25a4be2]

projects/clr/hipamd/src/hip_memory.cpp

@@ -994,7 +994,10 @@ hipError_t hipHostRegister(void* hostPtr, size_t sizeBytes, unsigned int flags)
       // Since the amd::Memory object is shared between all devices
       // it's fine to have multiple addresses mapped to it
       const device::Memory* devMem = mem->getDeviceMemory(*device->devices()[0]);
-      amd::MemObjMap::AddMemObj(reinterpret_cast<void*>(devMem->virtualAddress()), mem);
+      void* vAddr = reinterpret_cast<void*>(devMem->virtualAddress());
+      if (amd::MemObjMap::FindMemObj(vAddr) == nullptr) {
+        amd::MemObjMap::AddMemObj(vAddr, mem);
+      }
     }
 
     amd::MemObjMap::AddMemObj(hostPtr, mem);