X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/4aac37f04316b37b73b99bdcdbfa97347bb2fe51..c39d40a767a1ae36171e5bcbf6f157ff3e80fb6c:/print-brcmtag.c

diff --git a/print-brcmtag.c b/print-brcmtag.c
index ff9c5cb3..efc6a1ee 100644
--- a/print-brcmtag.c
+++ b/print-brcmtag.c
@@ -27,6 +27,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "ethertype.h"
 #include "addrtoname.h"
@@ -110,7 +111,7 @@ brcm_tag_print(netdissect_options *ndo, const u_char *bp)
 	ND_PRINT(", ");
 }
 
-u_int
+void
 brcm_tag_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 		  const u_char *p)
 {
@@ -118,11 +119,12 @@ brcm_tag_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 	u_int length = h->len;
 
 	ndo->ndo_protocol = "brcm-tag";
-	return (ether_switch_tag_print(ndo, p, length, caplen,
-	    brcm_tag_print, BRCM_TAG_LEN));
+	ndo->ndo_ll_hdr_len +=
+		ether_switch_tag_print(ndo, p, length, caplen,
+				       brcm_tag_print, BRCM_TAG_LEN);
 }
 
-u_int
+void
 brcm_tag_prepend_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 			  const u_char *p)
 {
@@ -130,15 +132,8 @@ brcm_tag_prepend_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 	u_int length = h->len;
 
 	ndo->ndo_protocol = "brcm-tag-prepend";
-	if (caplen < BRCM_TAG_LEN) {
-		nd_print_trunc(ndo);
-		return (caplen);
-	}
-
-	if (length < BRCM_TAG_LEN) {
-		nd_print_trunc(ndo);
-		return (length);
-	}
+	ND_TCHECK_LEN(p, BRCM_TAG_LEN);
+	ndo->ndo_ll_hdr_len += BRCM_TAG_LEN;
 
 	if (ndo->ndo_eflag) {
 		/* Print the prepended Broadcom tag. */
@@ -151,5 +146,6 @@ brcm_tag_prepend_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 	/*
 	 * Now print the Ethernet frame following it.
 	 */
-	return ether_print(ndo, p, length, caplen, NULL, NULL);
+	ndo->ndo_ll_hdr_len +=
+		ether_print(ndo, p, length, caplen, NULL, NULL);
 }