Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[deliverable/linux.git] / net / ipv6 / ndisc.c

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c53331cfed95dcbb6672b80282125516e904a84f..b3054611f88a5f69503e1a44ced1592579dfc4fd 100644 (file)
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1225,18 +1225,16 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 
        if (rt)
                rt6_set_expires(rt, jiffies + (HZ * lifetime));
-       if (ra_msg->icmph.icmp6_hop_limit) {
-               /* Only set hop_limit on the interface if it is higher than
-                * the current hop_limit.
-                */
-               if (in6_dev->cnf.hop_limit < ra_msg->icmph.icmp6_hop_limit) {
+       if (in6_dev->cnf.accept_ra_min_hop_limit < 256 &&
+           ra_msg->icmph.icmp6_hop_limit) {
+               if (in6_dev->cnf.accept_ra_min_hop_limit <= ra_msg->icmph.icmp6_hop_limit) {
                        in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
+                       if (rt)
+                               dst_metric_set(&rt->dst, RTAX_HOPLIMIT,
+                                              ra_msg->icmph.icmp6_hop_limit);
                } else {
-                       ND_PRINTK(2, warn, "RA: Got route advertisement with lower hop_limit than current\n");
+                       ND_PRINTK(2, warn, "RA: Got route advertisement with lower hop_limit than minimum\n");
                }
-               if (rt)
-                       dst_metric_set(&rt->dst, RTAX_HOPLIMIT,
-                                      ra_msg->icmph.icmp6_hop_limit);
        }
 
 skip_defrtr: