From 81883d9449e1694d61402a5b5464fc545ea674d9 Mon Sep 17 00:00:00 2001
From: Sam Xu <saxu@microsoft.com>
Date: Tue, 31 Oct 2017 10:20:33 -0700
Subject: [PATCH] fix a bug when in WriteAny<T> methods when any is null

---
 src/Microsoft.OpenApi/Writers/OpenApiWriterAnyExtensions.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Microsoft.OpenApi/Writers/OpenApiWriterAnyExtensions.cs b/src/Microsoft.OpenApi/Writers/OpenApiWriterAnyExtensions.cs
index ad25d885e..5e77ef792 100644
--- a/src/Microsoft.OpenApi/Writers/OpenApiWriterAnyExtensions.cs
+++ b/src/Microsoft.OpenApi/Writers/OpenApiWriterAnyExtensions.cs
@@ -51,6 +51,7 @@ public static void WriteAny<T>(this IOpenApiWriter writer, T any) where T : IOpe
             if (any == null)
             {
                 writer.WriteNull();
+                return;
             }
 
             switch (any.AnyKind)