diff options
-rw-r--r-- | epan/dissectors/packet-xot.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/epan/dissectors/packet-xot.c b/epan/dissectors/packet-xot.c index 2d9cf20fde..4123a5ef12 100644 --- a/epan/dissectors/packet-xot.c +++ b/epan/dissectors/packet-xot.c @@ -105,8 +105,11 @@ static void dissect_xot_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) length = tvb_length_remaining(tvb, offset + 4); if (length > plen) length = plen; - next_tvb = tvb_new_subset(tvb, offset + 4, length, plen); - call_dissector(x25_handle, next_tvb, pinfo, tree); + if (plen > 0) + { + next_tvb = tvb_new_subset(tvb, offset + 4, length, plen); + call_dissector(x25_handle, next_tvb, pinfo, tree); + } } static int dissect_xot(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |