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Diffstat (limited to 'src/cowboy_http2.erl')
| -rw-r--r-- | src/cowboy_http2.erl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cowboy_http2.erl b/src/cowboy_http2.erl index 601ea98..5e72870 100644 --- a/src/cowboy_http2.erl +++ b/src/cowboy_http2.erl @@ -485,7 +485,10 @@ frame(State0=#state{socket=Socket, transport=Transport, opts=Opts, %% Ack for a previously sent SETTINGS frame. frame(State0=#state{local_settings=Local0, next_settings=NextSettings, next_settings_timer=TRef}, settings_ack) -> - ok = erlang:cancel_timer(TRef, [{async, true}, {info, false}]), + ok = case TRef of + undefined -> ok; + _ -> erlang:cancel_timer(TRef, [{async, true}, {info, false}]) + end, Local = maps:merge(Local0, NextSettings), State1 = State0#state{local_settings=Local, next_settings=#{}, next_settings_timer=undefined}, |