From 9a42c871a12994a6f94f5ff82150edb8bb3a595c Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Tue, 22 Jun 2021 15:17:39 +1000
Subject: [PATCH] Update Image.Decode.cs

---
 src/ImageSharp/Image.Decode.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ImageSharp/Image.Decode.cs b/src/ImageSharp/Image.Decode.cs
index da23fb47dd..9d5ceeacfb 100644
--- a/src/ImageSharp/Image.Decode.cs
+++ b/src/ImageSharp/Image.Decode.cs
@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
+using System.Buffers;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -57,8 +58,9 @@ namespace SixLabors.ImageSharp
                 return null;
             }
 
-            using (IManagedByteBuffer buffer = config.MemoryAllocator.AllocateManagedByteBuffer(headerSize, AllocationOptions.Clean))
+            using (IMemoryOwner<byte> buffer = config.MemoryAllocator.Allocate<byte>(headerSize, AllocationOptions.Clean))
             {
+                Span<byte> bufferSpan = buffer.GetSpan();
                 long startPosition = stream.Position;
 
                 // Read doesn't always guarantee the full returned length so read a byte
@@ -67,7 +69,7 @@ namespace SixLabors.ImageSharp
                 int i;
                 do
                 {
-                    i = stream.Read(buffer.Array, n, headerSize - n);
+                    i = stream.Read(bufferSpan, n, headerSize - n);
                     n += i;
                 }
                 while (n < headerSize && i > 0);