From 0a6f7baa719fa69ca4c56d0fcefc405b1a2051ff Mon Sep 17 00:00:00 2001
From: Sergio Pedri <sergio0694@live.com>
Date: Sun, 13 Dec 2020 00:58:26 +0100
Subject: [PATCH] Fix NullReferenceException in KernelSamplingMap.Dispose

---
 .../Processing/Processors/Convolution/KernelSamplingMap.cs    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ImageSharp/Processing/Processors/Convolution/KernelSamplingMap.cs b/src/ImageSharp/Processing/Processors/Convolution/KernelSamplingMap.cs
index f912b9562..904b599f7 100644
--- a/src/ImageSharp/Processing/Processors/Convolution/KernelSamplingMap.cs
+++ b/src/ImageSharp/Processing/Processors/Convolution/KernelSamplingMap.cs
@@ -99,8 +99,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Convolution
         {
             if (!this.isDisposed)
             {
-                this.yOffsets.Dispose();
-                this.xOffsets.Dispose();
+                this.yOffsets?.Dispose();
+                this.xOffsets?.Dispose();
 
                 this.isDisposed = true;
             }