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Fix roomserver deadlock (#380)

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Move the mutex lock outside the loop so that we don't lock up if there is more
than one event
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Richard van der Hoff 2017-12-19 11:29:49 +00:00 committed by GitHub
parent ec30d143cd
commit 899f267c47
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1 changed files with 3 additions and 4 deletions
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src/github.com/matrix-org/dendrite/roomserver/input/input.go
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@ -61,11 +61,10 @@ func (r *RoomserverInputAPI) InputRoomEvents(
request *api.InputRoomEventsRequest, request *api.InputRoomEventsRequest,
response *api.InputRoomEventsResponse, response *api.InputRoomEventsResponse,
) error { ) error {
for i := range request.InputRoomEvents { // We lock as processRoomEvent can only be called once at a time
// We lock as processRoomEvent can ony be called once at a time
r.mutex.Lock() r.mutex.Lock()
defer r.mutex.Unlock() defer r.mutex.Unlock()
for i := range request.InputRoomEvents {
if err := processRoomEvent(ctx, r.DB, r, request.InputRoomEvents[i]); err != nil { if err := processRoomEvent(ctx, r.DB, r, request.InputRoomEvents[i]); err != nil {
return err return err
} }