From a5fcddc0a8d306218c54e4cafcc99c6754d22089 Mon Sep 17 00:00:00 2001
From: Chris R <Tratcher@outlook.com>
Date: Mon, 7 Mar 2016 15:59:34 -0800
Subject: [PATCH] #704 unregister auth handlers during unwind.

---
 .../AuthenticationMiddleware.cs                              | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/Microsoft.AspNetCore.Authentication/AuthenticationMiddleware.cs b/src/Microsoft.AspNetCore.Authentication/AuthenticationMiddleware.cs
index ad63b17614..a01490c3e4 100644
--- a/src/Microsoft.AspNetCore.Authentication/AuthenticationMiddleware.cs
+++ b/src/Microsoft.AspNetCore.Authentication/AuthenticationMiddleware.cs
@@ -73,7 +73,7 @@ namespace Microsoft.AspNetCore.Authentication
                     await _next(context);
                 }
             }
-            catch (Exception)
+            finally
             {
                 try
                 {
@@ -81,9 +81,8 @@ namespace Microsoft.AspNetCore.Authentication
                 }
                 catch (Exception)
                 {
-                    // Don't mask the original exception
+                    // Don't mask the original exception, if any
                 }
-                throw;
             }
         }