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Guard processEventWithMissingState instead

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This commit is contained in:
Neil Alexander 2021-04-13 10:01:07 +01:00
parent b4fb62b577
commit 0ce88036aa
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1 changed files with 2 additions and 2 deletions
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4
federationapi/routing/send.go
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@ -621,6 +621,8 @@ func checkAllowedByState(e *gomatrixserverlib.Event, stateEvents []*gomatrixserv
func (t *txnReq) processEventWithMissingState(
ctx context.Context, e *gomatrixserverlib.Event, roomVersion gomatrixserverlib.RoomVersion,
) error {
t.roomsMu.Lock(e.RoomID())
defer t.roomsMu.Unlock(e.RoomID())
// Do this with a fresh context, so that we keep working even if the
// original request times out. With any luck, by the time the remote
// side retries, we'll have fetched the missing state.
@ -716,9 +718,7 @@ func (t *txnReq) processEventWithMissingState(
respStates[i] = states[i].RespState
}
// There's more than one previous state - run them all through state res
t.roomsMu.Lock(e.RoomID())
resolvedState, err = t.resolveStatesAndCheck(gmectx, roomVersion, respStates, backwardsExtremity)
t.roomsMu.Unlock(e.RoomID())
if err != nil {
util.GetLogger(ctx).WithError(err).Errorf("Failed to resolve state conflicts for event %s", backwardsExtremity.EventID())
return err