diff options
Diffstat (limited to 'net/ipv6/ndisc.c')
| -rw-r--r-- | net/ipv6/ndisc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 1f6256909674..dfa20d3be9b6 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1214,11 +1214,13 @@ skip_defrtr: } #ifdef CONFIG_IPV6_ROUTE_INFO - if (ndopts.nd_opts_ri) { + if (in6_dev->cnf.accept_ra_rtr_pref && ndopts.nd_opts_ri) { struct nd_opt_hdr *p; for (p = ndopts.nd_opts_ri; p; p = ndisc_next_option(p, ndopts.nd_opts_ri_end)) { + if (((struct route_info *)p)->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen) + continue; rt6_route_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3, &skb->nh.ipv6h->saddr); } |