From 7b286352da4f7177e8fd16a1b4162d41239a9816 Mon Sep 17 00:00:00 2001
From: Geoffrey Mon <geofbot@gmail.com>
Date: Tue, 30 May 2023 21:52:35 -0500
Subject: [PATCH] Read I2C bus location more reliably

---
 ProfileManager.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/ProfileManager.cpp b/ProfileManager.cpp
index 55a74654b..f866373cb 100644
--- a/ProfileManager.cpp
+++ b/ProfileManager.cpp
@@ -228,11 +228,19 @@ bool ProfileManager::LoadDeviceFromListWithOptions
         if(load_controller->location.find("HID: ") == 0)
         {
             location_check = true;
-        } 
+        }
         else if(load_controller->location.find("I2C: ") == 0)
         {
-            std::string i2c_address = load_controller->location.substr(load_controller->location.find_last_of(", ") + 2);
-            location_check = temp_controller->location.find(i2c_address) != std::string::npos;
+            std::size_t loc = load_controller->location.rfind(", ");
+            if(loc == std::string::npos)
+            {
+                location_check = false;
+            }
+            else
+            {
+                std::string i2c_address = load_controller->location.substr(loc + 2);
+                location_check = temp_controller->location.find(i2c_address) != std::string::npos;
+            }
         }
         else
         {