From b7a6ee45606287c7f866216c6cafdd7377fe36e6 Mon Sep 17 00:00:00 2001
From: kdysput <konrad.dysput@gmail.com>
Date: Wed, 3 Jul 2024 14:43:33 +0200
Subject: [PATCH] Use valid guid if its avaialble

---
 Backtrace/Model/JsonData/BacktraceAttributes.cs | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/Backtrace/Model/JsonData/BacktraceAttributes.cs b/Backtrace/Model/JsonData/BacktraceAttributes.cs
index 0979c1a..a6ea306 100644
--- a/Backtrace/Model/JsonData/BacktraceAttributes.cs
+++ b/Backtrace/Model/JsonData/BacktraceAttributes.cs
@@ -181,18 +181,19 @@ private Guid GenerateMachineId()
             }
             var networkInterface =
                  NetworkInterface.GetAllNetworkInterfaces()
-                    .FirstOrDefault(n => n.OperationalStatus == OperationalStatus.Up);
+                    .FirstOrDefault(n =>
+                        n.OperationalStatus == OperationalStatus.Up
+                        && !string.IsNullOrEmpty(n.GetPhysicalAddress()?.ToString())
+                    );
 
-            PhysicalAddress physicalAddr = null;
-            string macAddress = null;
-            if (networkInterface == null
-                || (physicalAddr = networkInterface.GetPhysicalAddress()) == null
-                || string.IsNullOrEmpty(macAddress = physicalAddr.ToString()))
+            if (networkInterface == null)
             {
                 guid = Guid.NewGuid();
                 return guid;
             }
 
+            string macAddress = networkInterface.GetPhysicalAddress().ToString();
+
             string hex = macAddress.Replace(":", string.Empty);
             var value = Convert.ToInt64(hex, 16);
             guid = GuidExtensions.FromLong(value);