From bca31601905a100896cf1a460ec062df023862f5 Mon Sep 17 00:00:00 2001
From: Hassan Hashemi <HassanHashemi@yahoo.com>
Date: Tue, 4 Sep 2018 11:52:44 +0430
Subject: [PATCH] Remove redundant check

fixed https://github.com/aspnet/Mvc/issues/8374
---
 .../ActionContext.cs                               | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/Microsoft.AspNetCore.Mvc.Abstractions/ActionContext.cs b/src/Microsoft.AspNetCore.Mvc.Abstractions/ActionContext.cs
index f7735c1637..744a439dc7 100644
--- a/src/Microsoft.AspNetCore.Mvc.Abstractions/ActionContext.cs
+++ b/src/Microsoft.AspNetCore.Mvc.Abstractions/ActionContext.cs
@@ -31,15 +31,11 @@ namespace Microsoft.AspNetCore.Mvc
         /// <param name="actionContext">The <see cref="ActionContext"/> to copy.</param>
         public ActionContext(ActionContext actionContext)
             : this(
-                actionContext.HttpContext,
-                actionContext.RouteData,
-                actionContext.ActionDescriptor,
-                actionContext.ModelState)
+                actionContext?.HttpContext,
+                actionContext?.RouteData,
+                actionContext?.ActionDescriptor,
+                actionContext?.ModelState)
         {
-            if (actionContext == null)
-            {
-                throw new ArgumentNullException(nameof(actionContext));
-            }
         }
 
         /// <summary>
@@ -136,4 +132,4 @@ namespace Microsoft.AspNetCore.Mvc
             get; set;
         }
     }
-}
\ No newline at end of file
+}