From c2ed6bd22f58b0ef575b76faa34e94d91cabaede Mon Sep 17 00:00:00 2001
From: Jason Nelson <jason@carbonmade.com>
Date: Wed, 5 Dec 2018 08:02:45 -0800
Subject: [PATCH] Ensure exifData is set

---
 src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs b/src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs
index 100649c0f..514959312 100644
--- a/src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs
+++ b/src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs
@@ -27,9 +27,7 @@ namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
 
         public ExifReader(byte[] exifData)
         {
-            DebugGuard.NotNull(exifData, nameof(exifData));
-
-            this.exifData = exifData;
+            this.exifData = exifData ?? throw new ArgumentNullException(nameof(exifData));
         }
 
         private delegate TDataType ConverterMethod<TDataType>(ReadOnlySpan<byte> data);