From b2db9d3ca29cfc74db1e3260fa24060220e8b509 Mon Sep 17 00:00:00 2001 From: "J. Nick Koston" Date: Tue, 20 Apr 2021 06:14:00 -1000 Subject: [PATCH] Fix memory leak in firmata (#49467) --- homeassistant/components/firmata/__init__.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/homeassistant/components/firmata/__init__.py b/homeassistant/components/firmata/__init__.py index c0394a95a49..24b6420e8a5 100644 --- a/homeassistant/components/firmata/__init__.py +++ b/homeassistant/components/firmata/__init__.py @@ -184,7 +184,9 @@ async def async_setup_entry( if config_entry.entry_id in hass.data[DOMAIN]: await board.async_reset() - hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, handle_shutdown) + config_entry.async_on_unload( + hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, handle_shutdown) + ) device_registry = await dr.async_get_registry(hass) device_registry.async_get_or_create(