From: miniduikboot <mini@duikbo.at>
Date: Sun, 13 Mar 2022 17:44:32 +0000 (+0100)
Subject: Do not broadcast messages to disconnected clients
X-Git-Tag: v1.7.0~9^2
X-Git-Url: https://git.deb.at/?a=commitdiff_plain;h=9906c409dabfb32f4427590eb5866591186cfe8b;p=rhonda%2Fimpostor.git

Do not broadcast messages to disconnected clients

This method is used when players have disconnected. If multiple players
disconnect at once, this method leads to exceptions.
---

diff --git a/src/Impostor.Server/Net/State/Game.cs b/src/Impostor.Server/Net/State/Game.cs
index 3896b6a..6d7e408 100644
--- a/src/Impostor.Server/Net/State/Game.cs
+++ b/src/Impostor.Server/Net/State/Game.cs
@@ -123,7 +123,8 @@ namespace Impostor.Server.Net.State
         {
             return Players
                 .Where(filter)
-                .Select(p => p.Client.Connection)!;
+                .Select(p => p.Client.Connection)
+                .Where(c => c != null && c.IsConnected)!;
         }
     }
 }