From 1d6f3de37da985575885db04c838a59f0f25020c Mon Sep 17 00:00:00 2001
From: Eli Belash <elibelash@gmail.com>
Date: Fri, 30 Aug 2019 21:20:56 +0300
Subject: [PATCH] Tensor.Creation: Added IntPtr.Zero check for
 FreeHGlobalMemory

---
 src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs b/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
index efafde27..5fa60eff 100644
--- a/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
+++ b/src/TensorFlowNET.Core/Tensors/Tensor.Creation.cs
@@ -664,7 +664,7 @@ namespace Tensorflow
         [MonoPInvokeCallback(typeof(Deallocator))]
         internal static void FreeHGlobalMemory(IntPtr dataPtr, IntPtr len, ref DeallocatorArgs args)
         {
-            if (args.deallocator_called)
+            if (args.deallocator_called || dataPtr == IntPtr.Zero)
                 return;
 
             // NumSharp will dispose