Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[mv-sheeva.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1534508f6c68a3c4f010657e94051e06a7d727c4..904312e25a3c072cd4ae00436f4cde2dbff04732 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -113,6 +113,11 @@ static struct dst_ops ip6_dst_ops_template = {
        .local_out              =       __ip6_local_out,
 };
 
+static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
+{
+       return 0;
+}
+
 static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
@@ -122,6 +127,8 @@ static struct dst_ops ip6_dst_blackhole_ops = {
        .protocol               =       cpu_to_be16(ETH_P_IPV6),
        .destroy                =       ip6_dst_destroy,
        .check                  =       ip6_dst_check,
+       .default_mtu            =       ip6_blackhole_default_mtu,
+       .default_advmss         =       ip6_default_advmss,
        .update_pmtu            =       ip6_rt_blackhole_update_pmtu,
 };
 
@@ -194,7 +201,6 @@ static void ip6_dst_destroy(struct dst_entry *dst)
                in6_dev_put(idev);
        }
        if (peer) {
-               BUG_ON(!(rt->rt6i_flags & RTF_CACHE));
                rt->rt6i_peer = NULL;
                inet_putpeer(peer);
        }
@@ -204,9 +210,6 @@ void rt6_bind_peer(struct rt6_info *rt, int create)
 {
        struct inet_peer *peer;
 
-       if (WARN_ON(!(rt->rt6i_flags & RTF_CACHE)))
-               return;
-
        peer = inet_getpeer_v6(&rt->rt6i_dst.addr, create);
        if (peer && cmpxchg(&rt->rt6i_peer, NULL, peer) != NULL)
                inet_putpeer(peer);
@@ -2554,14 +2557,16 @@ static
 int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write,
                              void __user *buffer, size_t *lenp, loff_t *ppos)
 {
-       struct net *net = current->nsproxy->net_ns;
-       int delay = net->ipv6.sysctl.flush_delay;
-       if (write) {
-               proc_dointvec(ctl, write, buffer, lenp, ppos);
-               fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net);
-               return 0;
-       } else
+       struct net *net;
+       int delay;
+       if (!write)
                return -EINVAL;
+
+       net = (struct net *)ctl->extra1;
+       delay = net->ipv6.sysctl.flush_delay;
+       proc_dointvec(ctl, write, buffer, lenp, ppos);
+       fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net);
+       return 0;
 }
 
 ctl_table ipv6_route_table_template[] = {
@@ -2648,6 +2653,7 @@ struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net)
 
        if (table) {
                table[0].data = &net->ipv6.sysctl.flush_delay;
+               table[0].extra1 = net;
                table[1].data = &net->ipv6.ip6_dst_ops.gc_thresh;
                table[2].data = &net->ipv6.sysctl.ip6_rt_max_size;
                table[3].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval;