From 8487bf0ae53247be8a270c2e204a7e3c46386c23 Mon Sep 17 00:00:00 2001
From: Joost van Hassel <hello@joostvanhassel.nl>
Date: Wed, 6 Jul 2016 13:17:32 +0200
Subject: [PATCH] 14.28 If-Unmodified-Since - Incorrect condition

14.28 If-Unmodified-Since had a condition on ifModifiedSince, which could be undefined. Should be ifUnmodifiedSince
---
 src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs b/src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs
index 86b20e5628..3d182b172a 100644
--- a/src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs
+++ b/src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs
@@ -210,7 +210,7 @@ namespace Microsoft.AspNetCore.StaticFiles
 
             // 14.28 If-Unmodified-Since
             var ifUnmodifiedSince = _requestHeaders.IfUnmodifiedSince;
-            if (ifUnmodifiedSince.HasValue && ifModifiedSince <= now)
+            if (ifUnmodifiedSince.HasValue && ifUnmodifiedSince <= now)
             {
                 bool unmodified = ifUnmodifiedSince >= _lastModified;
                 _ifUnmodifiedSinceState = unmodified ? PreconditionState.ShouldProcess : PreconditionState.PreconditionFailed;