From 4cbabea501187d2f7f8b42dd4804421d1ab34a27 Mon Sep 17 00:00:00 2001
From: BrennanConroy <brecon@microsoft.com>
Date: Fri, 16 Nov 2018 19:54:24 -0800
Subject: [PATCH] Dispose WebSocket if StartAsync fails (#3311)

---
 .../Internal/WebSocketsTransport.cs                    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Microsoft.AspNetCore.Http.Connections.Client/Internal/WebSocketsTransport.cs b/src/Microsoft.AspNetCore.Http.Connections.Client/Internal/WebSocketsTransport.cs
index cb7ed9f06c..4fe1e61b73 100644
--- a/src/Microsoft.AspNetCore.Http.Connections.Client/Internal/WebSocketsTransport.cs
+++ b/src/Microsoft.AspNetCore.Http.Connections.Client/Internal/WebSocketsTransport.cs
@@ -119,7 +119,15 @@ namespace Microsoft.AspNetCore.Http.Connections.Client.Internal
 
             Log.StartTransport(_logger, transferFormat, resolvedUrl);
 
-            await _webSocket.ConnectAsync(resolvedUrl, CancellationToken.None);
+            try
+            {
+                await _webSocket.ConnectAsync(resolvedUrl, CancellationToken.None);
+            }
+            catch
+            {
+                _webSocket.Dispose();
+                throw;
+            }
 
             Log.StartedTransport(_logger);