Only set the process dictionary if exit was ok

apps/couch/src/couch_doc.erl

@@ -487,7 +487,8 @@ doc_from_multi_part_stream(ContentType, DataFun) ->
     {Parser, ParserRef} = spawn_monitor(fun() ->
         {<<"--">>, _, _} = couch_httpd:parse_multipart_request(
             ContentType, DataFun,
-            fun(Next) -> mp_parse_doc(Next, []) end)
+            fun(Next) -> mp_parse_doc(Next, []) end),
+            exit(ok)
         end),
     Parser ! {get_doc_bytes, self()},
     receive
@@ -502,8 +503,14 @@ doc_from_multi_part_stream(ContentType, DataFun) ->
                 A
             end, Doc#doc.atts),
         WaitFun = fun() ->
-            receive {'DOWN', ParserRef, _, _, _} -> ok end,
-            erlang:put(mochiweb_request_recv, true)
+            receive {'DOWN', ParserRef, _, _, Result} -> ok end,
+            case Result of
+                ok ->
+                    erlang:put(mochiweb_request_recv, true);
+                _Else ->
+                    ?LOG_ERROR("Unexpected msg while parsing multipart stream: ~p",
+                        [Result])
+            end
         end,
         {ok, Doc#doc{atts=Atts2}, WaitFun, Parser}
     end.