Re: [OE-core] [PATCH] bluez5: add patch to fix 8.56 gatt cache issue

["Mathieu Dubois-Briand" <mathieu.dubois-briand@bootlin.com>]

On Fri May 29, 2026 at 6:06 AM CEST, Mengshi Wu via lists.openembedded.org wrote:
>> --- /dev/null
>> +++ b/meta/recipes-connectivity/bluez5/bluez5/0001-src-device-Fix-stored-gatt-cache-DB-Hash-value-no.patch
>> @@ -0,0 +1,84 @@
...
>> +          └─> gatt_service_removed()
>> +              └─> store_gatt_db() ← SAVED TO DISK (hash is NEW)
>> +
>> +There is a timing issue to update DB Hash value.
>> +
>> +The gatt_client_service_changed() callback in src/device.c is called
>> +from service_changed_complete() in gatt-client.c, which is invoked
>> +after db_hash_read_cb() has already updated the hash. Adding
>> +store_gatt_db(device) here guarantees the db is persisted with the
>> +correct, up-to-date hash for both the addition and removal cases.
>> +
>> +Signed-off-by: Mengshi Wu <mengshi.wu@oss.qualcomm.com>
>> +---

I also note you are missing the Upstream-Status line in this patch.

Thanks,
Mathieu

-- 
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com