P4 to Git Change 1534589 by vsytchen@vsytchen-ocl-win10 on 2018/03/29 14:54:53

SWDEV-79445 - OCL generic changes and code clean-up

	Return nullptr if creating a suballocation fails

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/pal/palresource.cpp#59 edit

rocclr/runtime/device/pal/palresource.cpp

@@ -1895,6 +1895,8 @@ GpuMemoryReference* MemorySubAllocator::Allocate(Pal::gpusize size, Pal::gpusize
         // If we have found a valid chunk, then suballocate memory
         if (Pal::Result::Success == allocator->Allocate(size, alignment, offset)) {
           return mem_ref;
+        } else {
+          mem_ref = nullptr;
         }
       }
       if ((mem_ref == nullptr) && !CreateChunk(reserved_va)) {