From 717ac8d19bc410ac61389eb53b4ca5cf5bb56082 Mon Sep 17 00:00:00 2001
From: "Sean D. Cline" <sean.d.cline@gmail.com>
Date: Thu, 29 Apr 2021 13:27:32 -0400
Subject: [PATCH] Squash exceptions when recovering from a disconnected COM
 port.

---
 adrilight/Util/SerialStream.cs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/adrilight/Util/SerialStream.cs b/adrilight/Util/SerialStream.cs
index 370d6ec..10d9bcf 100644
--- a/adrilight/Util/SerialStream.cs
+++ b/adrilight/Util/SerialStream.cs
@@ -247,11 +247,18 @@ private void DoWork(object tokenObject)
                     }
 
                     //to be safe, we reset the serial port
-                    if (serialPort != null && serialPort.IsOpen)
+                    try
                     {
-                        serialPort.Close();
+                        if (serialPort != null && serialPort.IsOpen)
+                        {
+                            serialPort.Close();
+                        }
+                        serialPort?.Dispose();
+                    }
+                    catch (Exception)
+                    {
+                        // possible IoException when device is unplugged
                     }
-                    serialPort?.Dispose();
                     serialPort = null;
 
                     //allow the system some time to recover