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-rw-r--r--net/ipv6/addrconf.c7
-rw-r--r--net/ipv6/route.c15
2 files changed, 12 insertions, 10 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 34ccef18b40e..4c87594d1389 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -6996,7 +6996,7 @@ static struct rtnl_af_ops inet6_ops __read_mostly = {
int __init addrconf_init(void)
{
- struct inet6_dev *idev;
+ struct inet6_dev *idev, *bdev;
int i, err;
err = ipv6_addr_label_init();
@@ -7036,10 +7036,14 @@ int __init addrconf_init(void)
*/
rtnl_lock();
idev = ipv6_add_dev(init_net.loopback_dev);
+ bdev = ipv6_add_dev(blackhole_netdev);
rtnl_unlock();
if (IS_ERR(idev)) {
err = PTR_ERR(idev);
goto errlo;
+ } else if (IS_ERR(bdev)) {
+ err = PTR_ERR(bdev);
+ goto errlo;
}
ip6_route_init_special_entries();
@@ -7124,6 +7128,7 @@ void addrconf_cleanup(void)
addrconf_ifdown(dev, 1);
}
addrconf_ifdown(init_net.loopback_dev, 2);
+ addrconf_ifdown(blackhole_netdev, 2);
/*
* Check hash table.
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index a63ff85fe141..742120728869 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -155,10 +155,9 @@ void rt6_uncached_list_del(struct rt6_info *rt)
static void rt6_uncached_list_flush_dev(struct net *net, struct net_device *dev)
{
- struct net_device *loopback_dev = net->loopback_dev;
int cpu;
- if (dev == loopback_dev)
+ if (dev == net->loopback_dev)
return;
for_each_possible_cpu(cpu) {
@@ -171,7 +170,7 @@ static void rt6_uncached_list_flush_dev(struct net *net, struct net_device *dev)
struct net_device *rt_dev = rt->dst.dev;
if (rt_idev->dev == dev) {
- rt->rt6i_idev = in6_dev_get(loopback_dev);
+ rt->rt6i_idev = in6_dev_get(blackhole_netdev);
in6_dev_put(rt_idev);
}
@@ -386,13 +385,11 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
{
struct rt6_info *rt = (struct rt6_info *)dst;
struct inet6_dev *idev = rt->rt6i_idev;
- struct net_device *loopback_dev =
- dev_net(dev)->loopback_dev;
- if (idev && idev->dev != loopback_dev) {
- struct inet6_dev *loopback_idev = in6_dev_get(loopback_dev);
- if (loopback_idev) {
- rt->rt6i_idev = loopback_idev;
+ if (idev && idev->dev != dev_net(dev)->loopback_dev) {
+ struct inet6_dev *ibdev = in6_dev_get(blackhole_netdev);
+ if (ibdev) {
+ rt->rt6i_idev = ibdev;
in6_dev_put(idev);
}
}