add note that explains relaxed bytes-left check #6150

2017-06-23 08:55:01 +02:00
parent bc652b81f6
commit 8c7c7100b5
1 changed files with 3 additions and 0 deletions
@@ -250,6 +250,9 @@ int lldp_neighbor_parse(sd_lldp_neighbor *n) {
                                return -EBADMSG;
                        }

+                        /* Note that after processing the SD_LLDP_TYPE_END left could still be > 0
+                         * as the message may contain padding (see IEEE 802.1AB-2016, sec. 8.5.12) */
+
                        goto end_marker;

                case SD_LLDP_TYPE_CHASSIS_ID: