From 73b212d3bb730fc67876e3f42bd22d1426289c1c Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Tue, 17 Aug 2021 17:35:43 +0100
Subject: [PATCH] Conditional access is known to be not null.

---
 DVD/CSS.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/DVD/CSS.cs b/DVD/CSS.cs
index ce9cade5c..cc6ff6a46 100644
--- a/DVD/CSS.cs
+++ b/DVD/CSS.cs
@@ -379,8 +379,8 @@ namespace Aaru.Decryption.DVD
         /// <returns>A DiscKey struct with the decoded key.</returns>
         public static CSS_CPRM.DiscKey? DecodeDiscKey(byte[] response, byte[] busKey)
         {
-            if(response?.Length != 2052 ||
-               busKey?.Length   != 5)
+            if(response.Length != 2052 ||
+               busKey.Length   != 5)
                 return null;
 
             byte[] key = response.Skip(4).Take(2048).ToArray();
@@ -406,8 +406,8 @@ namespace Aaru.Decryption.DVD
         /// <returns>A TitleKey struct with the decoded key.</returns>
         public static CSS_CPRM.TitleKey? DecodeTitleKey(byte[] response, byte[] busKey)
         {
-            if(response?.Length != 12 ||
-               busKey?.Length   != 5)
+            if(response.Length != 12 ||
+               busKey.Length   != 5)
                 return null;
 
             byte[] key = response.Skip(5).Take(5).ToArray();