From 3fab21ebc7f171a68a2abaecd93d24a16aa60e7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Skytt=C3=A4?= <ville.skytta@iki.fi>
Date: Mon, 10 May 2021 18:27:09 +0300
Subject: [PATCH] Skip Huawei LTE device registry setup with no identifiers or
 connections (#50261)

Closes https://github.com/home-assistant/core/issues/50182
---
 .../components/huawei_lte/__init__.py         | 43 ++++++++++---------
 1 file changed, 23 insertions(+), 20 deletions(-)

diff --git a/homeassistant/components/huawei_lte/__init__.py b/homeassistant/components/huawei_lte/__init__.py
index f36ae97840b..ebb54ab75c6 100644
--- a/homeassistant/components/huawei_lte/__init__.py
+++ b/homeassistant/components/huawei_lte/__init__.py
@@ -393,26 +393,29 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     router.subscriptions.clear()
 
     # Set up device registry
-    device_data = {}
-    sw_version = None
-    if router.data.get(KEY_DEVICE_INFORMATION):
-        device_info = router.data[KEY_DEVICE_INFORMATION]
-        sw_version = device_info.get("SoftwareVersion")
-        if device_info.get("DeviceName"):
-            device_data["model"] = device_info["DeviceName"]
-    if not sw_version and router.data.get(KEY_DEVICE_BASIC_INFORMATION):
-        sw_version = router.data[KEY_DEVICE_BASIC_INFORMATION].get("SoftwareVersion")
-    if sw_version:
-        device_data["sw_version"] = sw_version
-    device_registry = await dr.async_get_registry(hass)
-    device_registry.async_get_or_create(
-        config_entry_id=config_entry.entry_id,
-        connections=router.device_connections,
-        identifiers=router.device_identifiers,
-        name=router.device_name,
-        manufacturer="Huawei",
-        **device_data,
-    )
+    if router.device_identifiers or router.device_connections:
+        device_data = {}
+        sw_version = None
+        if router.data.get(KEY_DEVICE_INFORMATION):
+            device_info = router.data[KEY_DEVICE_INFORMATION]
+            sw_version = device_info.get("SoftwareVersion")
+            if device_info.get("DeviceName"):
+                device_data["model"] = device_info["DeviceName"]
+        if not sw_version and router.data.get(KEY_DEVICE_BASIC_INFORMATION):
+            sw_version = router.data[KEY_DEVICE_BASIC_INFORMATION].get(
+                "SoftwareVersion"
+            )
+        if sw_version:
+            device_data["sw_version"] = sw_version
+        device_registry = await dr.async_get_registry(hass)
+        device_registry.async_get_or_create(
+            config_entry_id=config_entry.entry_id,
+            connections=router.device_connections,
+            identifiers=router.device_identifiers,
+            name=router.device_name,
+            manufacturer="Huawei",
+            **device_data,
+        )
 
     # Forward config entry setup to platforms
     hass.config_entries.async_setup_platforms(config_entry, CONFIG_ENTRY_PLATFORMS)