From 4598850c20047554d59b08e3d1edab47c2d7fe69 Mon Sep 17 00:00:00 2001
From: Stephen Halter <halter73@gmail.com>
Date: Wed, 14 Nov 2018 13:42:55 -0800
Subject: [PATCH] Revert "Use non-pinnable buffer for zero byte read (#3094)"

This reverts commit 0029b8f0539f181ce0dad0f24b4387ca188d1d08.
---
 src/Kestrel.Transport.Sockets/Internal/SocketReceiver.cs | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/Kestrel.Transport.Sockets/Internal/SocketReceiver.cs b/src/Kestrel.Transport.Sockets/Internal/SocketReceiver.cs
index 42557a8802..5d33f49829 100644
--- a/src/Kestrel.Transport.Sockets/Internal/SocketReceiver.cs
+++ b/src/Kestrel.Transport.Sockets/Internal/SocketReceiver.cs
@@ -15,11 +15,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.Internal
 
         public SocketAwaitableEventArgs WaitForDataAsync()
         {
-#if NETCOREAPP2_1
-            _awaitableEventArgs.SetBuffer(Memory<byte>.Empty);
-#else
             _awaitableEventArgs.SetBuffer(Array.Empty<byte>(), 0, 0);
-#endif
 
             if (!_socket.ReceiveAsync(_awaitableEventArgs))
             {