--- wireshark-1.4.6/epan/packet.c~ 2011-10-11 12:09:06.784840134 +0200 +++ wireshark-1.4.6/epan/packet.c 2011-10-11 12:09:06.801839998 +0200 @@ -321,6 +321,7 @@ edt->pi.annex_a_used = MTP2_ANNEX_A_USED_UNKNOWN; edt->pi.dcerpc_procedure_name=""; edt->pi.link_dir = LINK_DIR_UNKNOWN; + edt->tvb = NULL; /* to enable decode as for ethertype=0x0000 (fix for bug 4721) */ edt->pi.ethertype = G_MAXINT;