Merge pull request #323 from embhorn/fix_npd

Fix null ptr deref in MqttClient_WaitType
wolfSSL · Mar 20, 2023 · 71f47db · 71f47db
2 parents 158ae8e + e622fbd
commit 71f47db
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mqtt_client.c b/src/mqtt_client.c
@@ -1098,7 +1098,7 @@ static int MqttClient_WaitType(MqttClient *client, void *packet_obj,
 
             /* if using the shared packet object, make sure the original
              * state is correct for publish payload 2 (continued) */
-            if (use_packet_obj != mms_stat &&
+            if (use_packet_obj != NULL && use_packet_obj != mms_stat &&
                     ((MqttMsgStat*)use_packet_obj)->read == MQTT_MSG_PAYLOAD2) {
                 mms_stat->read = MQTT_MSG_PAYLOAD2;
             }