From 01f247db4854fd066fb8567a599a4bb591cb392b Mon Sep 17 00:00:00 2001
From: Derek Gray <dgray90@live.com>
Date: Tue, 5 Jul 2016 15:26:10 -0500
Subject: [PATCH] Prevent an unnecessary allocation of a state machine (thanks
 @PinpointTownes)

---
 .../Extensions/UseWhenExtensions.cs                         | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Microsoft.AspNetCore.Http.Abstractions/Extensions/UseWhenExtensions.cs b/src/Microsoft.AspNetCore.Http.Abstractions/Extensions/UseWhenExtensions.cs
index 3709a1e94c..f506c41c89 100644
--- a/src/Microsoft.AspNetCore.Http.Abstractions/Extensions/UseWhenExtensions.cs
+++ b/src/Microsoft.AspNetCore.Http.Abstractions/Extensions/UseWhenExtensions.cs
@@ -50,15 +50,15 @@ namespace Microsoft.AspNetCore.Builder
                 branchBuilder.Run(main);
                 var branch = branchBuilder.Build();
 
-                return async context =>
+                return context =>
                 {
                     if (predicate(context))
                     {
-                        await branch(context);
+                        return branch(context);
                     }
                     else
                     {
-                        await main(context);
+                        return main(context);
                     }
                 };
             });