libnetlink: comment out unused code; don't use 8k stack buffers

function                                             old     new   delta
ipaddr_modify                                       1305    1297      -8
do_iprule                                            963     955      -8
do_iproute                                          2193    2169     -24
xrtnl_dump_filter                                    418     391     -27
rtnl_talk                                            671     536    -135
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/5 up/down: 0/-202)           Total: -202 bytes

1 files changed, 5 insertions, 0 deletions

diff --git a/networking/libiproute/libnetlink.h b/networking/libiproute/libnetlink.h
index 316bd9b68..e149f52bf 100644
--- a/networking/libiproute/libnetlink.h
+++ b/networking/libiproute/libnetlink.h
@@ -24,10 +24,15 @@ extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int l
 extern int xrtnl_dump_filter(struct rtnl_handle *rth,
                         int (*filter)(struct sockaddr_nl*, struct nlmsghdr *n, void*),
                         void *arg1);
+
+/* bbox doesn't use parameters no. 3, 4, 6, 7, stub them out */
+#define rtnl_talk(rtnl, n, peer, groups, answer, junk, jarg) \
+        rtnl_talk(rtnl, n, answer)
 extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
                         unsigned groups, struct nlmsghdr *answer,
                         int (*junk)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
                         void *jarg);
+
 extern int rtnl_send(struct rtnl_handle *rth, char *buf, int);