fixed cherry pick

2026-10-16 17:23:04 +08:00 · 2019-04-15 14:04:21 +02:00
parent f8ade2daf4
commit 888e1797d7
1 changed files with 1 additions and 1 deletions
@@ -42,7 +42,7 @@ namespace MQTTnet.AspNetCore

            var receivedMqttPacket = new ReceivedMqttPacket(fixedheader, reader, buffer.Length + 2);

-            if (!formatter.ProtocolVersion.HasValue)
+            if (formatter.ProtocolVersion == MqttProtocolVersion.Unknown)
            {
                formatter.DetectProtocolVersion(receivedMqttPacket);
            }