X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/1a90fd99d279d63242419a30ba3e0720872bff75..1a04b92e365f5ed01ca38619b41bcc4fc9cbd63c:/print-stp.c

diff --git a/print-stp.c b/print-stp.c
index 66b6d0cd..1a254c3d 100644
--- a/print-stp.c
+++ b/print-stp.c
@@ -84,7 +84,7 @@ static const struct tok rstp_obj_port_role_values[] = {
     { 0, NULL}
 };
 
-#define ND_TCHECK_BRIDGE_ID(p) ND_TCHECK2(*(p), 8)
+#define ND_TCHECK_BRIDGE_ID(p) ND_TCHECK_8(p)
 
 static char *
 stp_print_bridge_id(const u_char *p)
@@ -93,7 +93,9 @@ stp_print_bridge_id(const u_char *p)
 
     snprintf(bridge_id_str, sizeof(bridge_id_str),
              "%.2x%.2x.%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
-             p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
+             EXTRACT_U_1(p), EXTRACT_U_1(p + 1), EXTRACT_U_1(p + 2),
+             EXTRACT_U_1(p + 3), EXTRACT_U_1(p + 4), EXTRACT_U_1(p + 5),
+             EXTRACT_U_1(p + 6), EXTRACT_U_1(p + 7));
 
     return bridge_id_str;
 }
@@ -303,7 +305,7 @@ stp_print_mstp_bpdu(netdissect_options *ndo, const struct stp_bpdu_ *stp_bpdu,
     ND_PRINT((ndo, "\n\tCIST bridge-id %s, ",
            stp_print_bridge_id(ptr + MST_BPDU_CIST_BRIDGE_ID_OFFSET)));
 
-    ND_TCHECK(ptr[MST_BPDU_CIST_REMAIN_HOPS_OFFSET]);
+    ND_TCHECK_1(ptr + MST_BPDU_CIST_REMAIN_HOPS_OFFSET);
     ND_PRINT((ndo, "CIST remaining-hops %d", EXTRACT_U_1(ptr + MST_BPDU_CIST_REMAIN_HOPS_OFFSET)));
 
     /* Dump all MSTI's */
@@ -313,7 +315,7 @@ stp_print_mstp_bpdu(netdissect_options *ndo, const struct stp_bpdu_ *stp_bpdu,
         len = v3len - MST_BPDU_CONFIG_INFO_LENGTH;
         offset = MST_BPDU_MSTI_OFFSET;
         while (len >= MST_BPDU_MSTI_LENGTH) {
-            ND_TCHECK2(*(ptr + offset), MST_BPDU_MSTI_LENGTH);
+            ND_TCHECK_LEN(ptr + offset, MST_BPDU_MSTI_LENGTH);
 
             msti = EXTRACT_BE_U_2(ptr + offset + MST_BPDU_MSTI_ROOT_PRIO_OFFSET);
             msti = msti & 0x0FFF;