simplify and handle missing 'same ttl' case(!)

1 files changed, 3 insertions, 8 deletions

diff --git a/src/rabbit_amqqueue_process.erl b/src/rabbit_amqqueue_process.erl
index dc8ae711..2c3cd64d 100644
--- a/src/rabbit_amqqueue_process.erl
+++ b/src/rabbit_amqqueue_process.erl
@@ -713,15 +713,10 @@ calculate_msg_expiry(#basic_message{content = Content}, TTL) ->
     #content{properties = Props} =
         rabbit_binary_parser:ensure_content_decoded(Content),
     %% We assert that the expiration must be valid - we check in che channel.
-    Milli = case {rabbit_basic:parse_expiration(Props), TTL} of
-                {{ok, undefined}, _        }            -> TTL;
-                {{ok, N        }, undefined}            -> N;
-                {{ok, N        }, M        } when N < M -> N;
-                {{ok, N        }, M        } when M < N -> M
-            end,
-    case Milli of
+    {ok, MsgTTL} = rabbit_basic:parse_expiration(Props),
+    case lists:min([TTL, MsgTTL]) of
         undefined -> undefined;
-        _         -> now_micros() + Milli * 1000
+        T         -> now_micros() + T * 1000
     end.
 
 drop_expired_messages(State = #q{ttl = undefined}) ->