When MAC address length is zero, assume it is a broadcast. Updated the MS/TP to understand this.

2014-11-02 05:27:14 +00:00
parent cab93e9db4
commit 3fca74bcfb
9 changed files with 41 additions and 21 deletions
@@ -1281,10 +1281,10 @@ int dlmstp_send_pdu(
            pkt->buffer[i] = pdu[i];
        }
        pkt->length = pdu_len;
-        if (dest->mac_len == 0) {
-            pkt->destination_mac = MSTP_BROADCAST_ADDRESS;
-        } else {
+        if (dest && dest->mac_len) {
            pkt->destination_mac = dest->mac[0];
+        } else {
+            pkt->destination_mac = MSTP_BROADCAST_ADDRESS;
        }
        bytes_sent = pdu_len;
    }