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Merge pull request #1101 from droloff/fix-npe

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check payload to avoid npe
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Aircoookie 2020-08-20 08:44:09 +02:00 committed by GitHub
commit a8c530a3a9
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1 changed files with 6 additions and 0 deletions
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6
wled00/mqtt.cpp
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@ -56,6 +56,12 @@ void onMqttMessage(char* topic, char* payload, AsyncMqttClientMessageProperties
DEBUG_PRINT("MQTT msg: ");
DEBUG_PRINTLN(topic);
// paranoia check to avoid npe if no payload
if (payload==nullptr) {
DEBUG_PRINTLN("no payload -> leave");
return;
}
DEBUG_PRINTLN(payload);
//no need to check the topic because we only get topics we are subscribed to