Don't insert message type twice

diff --git a/src/lib/dhcp.c b/src/lib/dhcp.c
index c96b24d..676f05d 100644 (file)
--- a/src/lib/dhcp.c
+++ b/src/lib/dhcp.c
@@ -1008,6 +1008,7 @@ int fr_dhcp_encode(RADIUS_PACKET *packet, RADIUS_PACKET *original)
                uint8_t *plength, *pattr;
 
                if (!IS_DHCP_ATTR(vp)) goto next;
+               if (vp->attribute == DHCP2ATTR(53)) goto next; /* already done */
                if (((vp->attribute & 0xffff) > 255) &&
                    (DHCP_BASE_ATTR(vp->attribute) != PW_DHCP_OPTION_82)) goto next;