From 812bffe6d05ad97066b0f4fc7773f1057b7f3d68 Mon Sep 17 00:00:00 2001
From: BrennanConroy <zillow@Brennans-MacBook-Air.local>
Date: Tue, 8 Nov 2016 15:41:54 -0800
Subject: [PATCH] Null check for deserialize

---
 src/Microsoft.AspNetCore.SignalR/JsonNetInvocationAdapter.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Microsoft.AspNetCore.SignalR/JsonNetInvocationAdapter.cs b/src/Microsoft.AspNetCore.SignalR/JsonNetInvocationAdapter.cs
index 7f01f906ee..4657f25697 100644
--- a/src/Microsoft.AspNetCore.SignalR/JsonNetInvocationAdapter.cs
+++ b/src/Microsoft.AspNetCore.SignalR/JsonNetInvocationAdapter.cs
@@ -25,6 +25,11 @@ namespace Microsoft.AspNetCore.SignalR
             return Task.Run(() =>
             {
                 var jsonInvocation = _serializer.Deserialize<JsonNetInvocationDescriptor>(reader);
+                if (jsonInvocation == null)
+                {
+                    return null;
+                }
+
                 var invocation = new InvocationDescriptor
                 {
                     Id = jsonInvocation.Id,