- if (!llc_print(ndo, p, length, caplen, NULL, NULL)) {
- /* ether_type not known, print raw packet */
+ int llc_hdrlen;
+
+ llc_hdrlen = llc_print(ndo, p, length, caplen, NULL, NULL);
+ if (llc_hdrlen < 0) {
+ /* packet not known, print raw packet */