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Merge pull request #4829 from matrix-org/erikj/device_list_seen_updates

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When re-syncing device lists reset the state
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Erik Johnston 2019-03-08 09:54:54 +00:00 committed by GitHub
commit 469b66c102
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2 changed files with 8 additions and 3 deletions
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changelog.d/4829.bugfix Normal file
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@ -0,0 +1 @@
Fix potential race in handling missing updates in device list updates.

4
synapse/handlers/device.py
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@ -597,6 +597,10 @@ class DeviceListEduUpdater(object):
)
device_ids = [device["device_id"] for device in devices]
yield self.device_handler.notify_device_update(user_id, device_ids)
# We clobber the seen updates since we've re-synced from a given
# point.
self._seen_updates[user_id] = set([stream_id])
else:
# Simply update the single device, since we know that is the only
# change (because of the single prev_id matching the current cache)