RX: Add a const qualifier

[tcpdump] / print-l2tp.c

diff --git a/print-l2tp.c b/print-l2tp.c
index 184ff752d67255f1696c9b259e343e534fdc9c8f..892155058a97449cdda760aba21850cfe887d798 100644 (file)
--- a/print-l2tp.c
+++ b/print-l2tp.c
@@ -577,7 +577,7 @@ l2tp_avp_print(netdissect_options *ndo, const u_char *dat, u_int length)
        len = GET_BE_U_2(dat) & L2TP_AVP_HDR_LEN_MASK;
 
        /* If it is not long enough to contain the header, we'll give up. */
-       ND_LCHECKMSG_U(len, 6, "AVP length");
+       ND_ICHECKMSG_U("AVP length", len, <, 6);
 
        /* If it goes past the end of the remaining length of the packet,
           we'll give up. */
@@ -807,6 +807,8 @@ l2tp_print(netdissect_options *ndo, const u_char *dat, u_int length)
 
        if (flag_o) {   /* Offset Size */
                pad =  GET_BE_U_2(ptr);
+               /* Offset padding octets in packet buffer? */
+               ND_TCHECK_LEN(ptr + 2, pad);
                ptr += (2 + pad);
                cnt += (2 + pad);
        }