Merge pull request apache#4767 from apache/nouveau-badmatch-fix

avoid badmatch in error cases

Author: rnewson

src/nouveau/src/nouveau_index_manager.erl

@@ -92,7 +92,7 @@ handle_info({'DOWN', IndexerRef, process, _Pid, Reason}, State) ->
             [{_, Index, Queue0}] = ets:lookup(?BY_DBSIG, DbSig),
             {{value, From}, Queue1} = queue:out(Queue0),
             case Reason of
-                normal ->
+                ok ->
                     gen_server:reply(From, ok);
                 {error, Msg} ->
                     couch_log:error(

src/nouveau/src/nouveau_index_updater.erl

@@ -108,7 +108,7 @@ update(#index{} = Index) ->
                     ),
                     nouveau_api:drain_async_responses(Acc1#acc.reqids, 0),
                     ibrowse:stop_worker_process(ConnPid),
-                    ok = nouveau_api:set_update_seq(Index, Acc1#acc.update_seq, NewCurSeq)
+                    exit(nouveau_api:set_update_seq(Index, Acc1#acc.update_seq, NewCurSeq))
                 after
                     ret_os_process(Proc)
                 end