From 113d38361df9cf7aa4076df0b7228a88292a2b55 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sun, 4 Feb 2024 14:16:31 -0600
Subject: [PATCH] Avoid linear search of entity registry in nmap_tracker
 (#109640)

---
 homeassistant/components/nmap_tracker/__init__.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/nmap_tracker/__init__.py b/homeassistant/components/nmap_tracker/__init__.py
index 726b3fa3db8..3ebbce8361c 100644
--- a/homeassistant/components/nmap_tracker/__init__.py
+++ b/homeassistant/components/nmap_tracker/__init__.py
@@ -191,8 +191,9 @@ class NmapDeviceScanner:
         registry = er.async_get(self._hass)
         self._known_mac_addresses = {
             entry.unique_id: entry.original_name
-            for entry in registry.entities.values()
-            if entry.config_entry_id == self._entry_id
+            for entry in registry.entities.get_entries_for_config_entry_id(
+                self._entry_id
+            )
         }
 
     @property