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authorMark Haines <mark.haines@matrix.org>2016-08-25 18:34:46 +0100
committerMark Haines <mark.haines@matrix.org>2016-08-25 18:34:46 +0100
commitab34fdecb777b057a0ec307328f309bb2bdee05c (patch)
tree541dc61435b893897e7a46d8f0a69443e18233d7 /synapse/visibility.py
parentAdd some TODOs (diff)
parentMerge pull request #1041 from matrix-org/paul/third-party-lookup (diff)
downloadsynapse-ab34fdecb777b057a0ec307328f309bb2bdee05c.tar.xz
Merge branch 'develop' into markjh/direct_to_device
Diffstat (limited to 'synapse/visibility.py')
-rw-r--r--synapse/visibility.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index 948ad51772..cc12c0a23d 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -17,7 +17,7 @@ from twisted.internet import defer
 
 from synapse.api.constants import Membership, EventTypes
 
-from synapse.util.logcontext import preserve_fn
+from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
 
 import logging
 
@@ -55,12 +55,12 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state):
             given events
         events ([synapse.events.EventBase]): list of events to filter
     """
-    forgotten = yield defer.gatherResults([
+    forgotten = yield preserve_context_over_deferred(defer.gatherResults([
         preserve_fn(store.who_forgot_in_room)(
             room_id,
         )
         for room_id in frozenset(e.room_id for e in events)
-    ], consumeErrors=True)
+    ], consumeErrors=True))
 
     # Set of membership event_ids that have been forgotten
     event_id_forgotten = frozenset(