ND_TCHECK_LEN(dat, MIN_RADIUS_LEN);
rad = (const struct radius_hdr *)dat;
len = EXTRACT_BE_U_2(rad->len);
if (len < MIN_RADIUS_LEN)
{
ND_TCHECK_LEN(dat, MIN_RADIUS_LEN);
rad = (const struct radius_hdr *)dat;
len = EXTRACT_BE_U_2(rad->len);
if (len < MIN_RADIUS_LEN)
{