diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/ndisc.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 1ba42bd65577..44b4c87e5cce 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1151,10 +1151,6 @@ static void ndisc_router_discovery(struct sk_buff *skb) skb->dev->name); return; } - if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra) { - in6_dev_put(in6_dev); - return; - } if (!ndisc_parse_options(opt, optlen, &ndopts)) { in6_dev_put(in6_dev); @@ -1163,6 +1159,10 @@ static void ndisc_router_discovery(struct sk_buff *skb) return; } + /* skip route and link configuration on routers */ + if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra) + goto skip_linkparms; + #ifdef CONFIG_IPV6_NDISC_NODETYPE /* skip link-specific parameters from interior routers */ if (skb->ndisc_nodetype == NDISC_NODETYPE_NODEFAULT) @@ -1283,9 +1283,7 @@ skip_defrtr: } } -#ifdef CONFIG_IPV6_NDISC_NODETYPE skip_linkparms: -#endif /* * Process options. @@ -1312,6 +1310,10 @@ skip_linkparms: NEIGH_UPDATE_F_ISROUTER); } + /* skip route and link configuration on routers */ + if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra) + goto out; + #ifdef CONFIG_IPV6_ROUTE_INFO if (in6_dev->cnf.accept_ra_rtr_pref && ndopts.nd_opts_ri) { struct nd_opt_hdr *p; |