1 files changed, 50 insertions, 63 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 127021bdd180..c878fb681efb 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -561,7 +561,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         write_lock(&addrconf_hash_lock);
 
         /* Ignore adding duplicate addresses on an interface */
-        if (ipv6_chk_same_addr(&init_net, addr, idev->dev)) {
+        if (ipv6_chk_same_addr(idev->dev->nd_net, addr, idev->dev)) {
                 ADBG(("ipv6_add_addr: already assigned\n"));
                 err = -EEXIST;
                 goto out;
@@ -751,9 +751,9 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
         if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) {
                 struct in6_addr prefix;
                 struct rt6_info *rt;
-
+                struct net *net = ifp->idev->dev->nd_net;
                 ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
-                rt = rt6_lookup(&init_net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
+                rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
 
                 if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
                         if (onlink == 0) {
@@ -905,6 +905,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
 {
         struct ipv6_saddr_score hiscore;
         struct inet6_ifaddr *ifa_result = NULL;
+        struct net *net = daddr_dev->nd_net;
         int daddr_type = __ipv6_addr_type(daddr);
         int daddr_scope = __ipv6_addr_src_scope(daddr_type);
         int daddr_ifindex = daddr_dev ? daddr_dev->ifindex : 0;
@@ -916,7 +917,7 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
         read_lock(&dev_base_lock);
         rcu_read_lock();
 
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 struct inet6_dev *idev;
                 struct inet6_ifaddr *ifa;
 
@@ -1555,7 +1556,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
                 .fc_expires = expires,
                 .fc_dst_len = plen,
                 .fc_flags = RTF_UP | flags,
-                .fc_nlinfo.nl_net = &init_net,
+                .fc_nlinfo.nl_net = dev->nd_net,
         };
 
         ipv6_addr_copy(&cfg.fc_dst, pfx);
@@ -1582,7 +1583,7 @@ static void addrconf_add_mroute(struct net_device *dev)
                 .fc_ifindex = dev->ifindex,
                 .fc_dst_len = 8,
                 .fc_flags = RTF_UP,
-                .fc_nlinfo.nl_net = &init_net,
+                .fc_nlinfo.nl_net = dev->nd_net,
         };
 
         ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);
@@ -1599,7 +1600,7 @@ static void sit_route_add(struct net_device *dev)
                 .fc_ifindex = dev->ifindex,
                 .fc_dst_len = 96,
                 .fc_flags = RTF_UP | RTF_NONEXTHOP,
-                .fc_nlinfo.nl_net = &init_net,
+                .fc_nlinfo.nl_net = dev->nd_net,
         };
 
         /* prefix length - 96 bits "::d.d.d.d" */
@@ -1700,7 +1701,8 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 
         if (pinfo->onlink) {
                 struct rt6_info *rt;
-                rt = rt6_lookup(&init_net, &pinfo->prefix, NULL, dev->ifindex, 1);
+                rt = rt6_lookup(dev->nd_net, &pinfo->prefix, NULL,
+                                dev->ifindex, 1);
 
                 if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
                         if (rt->rt6i_flags&RTF_EXPIRES) {
@@ -1743,7 +1745,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 
 ok:
 
-                ifp = ipv6_get_ifaddr(&init_net, &addr, dev, 1);
+                ifp = ipv6_get_ifaddr(dev->nd_net, &addr, dev, 1);
 
                 if (ifp == NULL && valid_lft) {
                         int max_addresses = in6_dev->cnf.max_addresses;
@@ -2066,6 +2068,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
         struct inet6_ifaddr * ifp;
         struct in6_addr addr;
         struct net_device *dev;
+        struct net *net = idev->dev->nd_net;
         int scope;
 
         ASSERT_RTNL();
@@ -2092,7 +2095,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev)
                 return;
         }
 
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 struct in_device * in_dev = __in_dev_get_rtnl(dev);
                 if (in_dev && (dev->flags & IFF_UP)) {
                         struct in_ifaddr * ifa;
@@ -2255,15 +2258,16 @@ ipv6_inherit_linklocal(struct inet6_dev *idev, struct net_device *link_dev)
 static void ip6_tnl_add_linklocal(struct inet6_dev *idev)
 {
         struct net_device *link_dev;
+        struct net *net = idev->dev->nd_net;
 
         /* first try to inherit the link-local address from the link device */
         if (idev->dev->iflink &&
-            (link_dev = __dev_get_by_index(&init_net, idev->dev->iflink))) {
+            (link_dev = __dev_get_by_index(net, idev->dev->iflink))) {
                 if (!ipv6_inherit_linklocal(idev, link_dev))
                         return;
         }
         /* then try to inherit it from any device */
-        for_each_netdev(&init_net, link_dev) {
+        for_each_netdev(net, link_dev) {
                 if (!ipv6_inherit_linklocal(idev, link_dev))
                         return;
         }
@@ -2296,9 +2300,6 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
         int run_pending = 0;
         int err;
 
-        if (dev->nd_net != &init_net)
-                return NOTIFY_DONE;
-
         switch(event) {
         case NETDEV_REGISTER:
                 if (!idev && dev->mtu >= IPV6_MIN_MTU) {
@@ -3056,9 +3057,6 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         struct in6_addr *pfx;
         int err;
 
-        if (net != &init_net)
-                return -EINVAL;
-
         err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
         if (err < 0)
                 return err;
@@ -3121,9 +3119,6 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
         u8 ifa_flags;
         int err;
 
-        if (net != &init_net)
-                return -EINVAL;
-
         err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
         if (err < 0)
                 return err;
@@ -3324,12 +3319,13 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
         struct inet6_ifaddr *ifa;
         struct ifmcaddr6 *ifmca;
         struct ifacaddr6 *ifaca;
+        struct net *net = skb->sk->sk_net;
 
         s_idx = cb->args[0];
         s_ip_idx = ip_idx = cb->args[1];
 
         idx = 0;
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 if (idx < s_idx)
                         goto cont;
                 if (idx > s_idx)
@@ -3396,35 +3392,23 @@ cont:
 
 static int inet6_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 {
-        struct net *net = skb->sk->sk_net;
         enum addr_type_t type = UNICAST_ADDR;
 
-        if (net != &init_net)
-                return 0;
-
         return inet6_dump_addr(skb, cb, type);
 }
 
 static int inet6_dump_ifmcaddr(struct sk_buff *skb, struct netlink_callback *cb)
 {
-        struct net *net = skb->sk->sk_net;
         enum addr_type_t type = MULTICAST_ADDR;
 
-        if (net != &init_net)
-                return 0;
-
         return inet6_dump_addr(skb, cb, type);
 }
 
 
 static int inet6_dump_ifacaddr(struct sk_buff *skb, struct netlink_callback *cb)
 {
-        struct net *net = skb->sk->sk_net;
         enum addr_type_t type = ANYCAST_ADDR;
 
-        if (net != &init_net)
-                return 0;
-
         return inet6_dump_addr(skb, cb, type);
 }
 
@@ -3440,9 +3424,6 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
         struct sk_buff *skb;
         int err;
 
-        if (net != &init_net)
-                return -EINVAL;
-
         err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy);
         if (err < 0)
                 goto errout;
@@ -3455,7 +3436,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 
         ifm = nlmsg_data(nlh);
         if (ifm->ifa_index)
-                dev = __dev_get_by_index(&init_net, ifm->ifa_index);
+                dev = __dev_get_by_index(net, ifm->ifa_index);
 
         if ((ifa = ipv6_get_ifaddr(net, addr, dev, 1)) == NULL) {
                 err = -EADDRNOTAVAIL;
@@ -3475,7 +3456,7 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh,
                 kfree_skb(skb);
                 goto errout_ifa;
         }
-        err = rtnl_unicast(skb, &init_net, NETLINK_CB(in_skb).pid);
+        err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).pid);
 errout_ifa:
         in6_ifa_put(ifa);
 errout:
@@ -3485,6 +3466,7 @@ errout:
 static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
 {
         struct sk_buff *skb;
+        struct net *net = ifa->idev->dev->nd_net;
         int err = -ENOBUFS;
 
         skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_ATOMIC);
@@ -3498,10 +3480,10 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa)
                 kfree_skb(skb);
                 goto errout;
         }
-        err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+        err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
 errout:
         if (err < 0)
-                rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_IFADDR, err);
+                rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
 }
 
 static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
@@ -3666,12 +3648,9 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
         struct net_device *dev;
         struct inet6_dev *idev;
 
-        if (net != &init_net)
-                return 0;
-
         read_lock(&dev_base_lock);
         idx = 0;
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 if (idx < s_idx)
                         goto cont;
                 if ((idev = in6_dev_get(dev)) == NULL)
@@ -3693,6 +3672,7 @@ cont:
 void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
 {
         struct sk_buff *skb;
+        struct net *net = idev->dev->nd_net;
         int err = -ENOBUFS;
 
         skb = nlmsg_new(inet6_if_nlmsg_size(), GFP_ATOMIC);
@@ -3706,10 +3686,10 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
                 kfree_skb(skb);
                 goto errout;
         }
-        err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+        err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
 errout:
         if (err < 0)
-                rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_IFADDR, err);
+                rtnl_set_sk_err(net, RTNLGRP_IPV6_IFADDR, err);
 }
 
 static inline size_t inet6_prefix_nlmsg_size(void)
@@ -3762,6 +3742,7 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
                          struct prefix_info *pinfo)
 {
         struct sk_buff *skb;
+        struct net *net = idev->dev->nd_net;
         int err = -ENOBUFS;
 
         skb = nlmsg_new(inet6_prefix_nlmsg_size(), GFP_ATOMIC);
@@ -3775,10 +3756,10 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev,
                 kfree_skb(skb);
                 goto errout;
         }
-        err = rtnl_notify(skb, &init_net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
+        err = rtnl_notify(skb, net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
 errout:
         if (err < 0)
-                rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_PREFIX, err);
+                rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err);
 }
 
 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
@@ -4276,7 +4257,26 @@ static int addrconf_net_init(struct net *net)
 
 static void addrconf_net_exit(struct net *net)
 {
-        ;
+        struct net_device *dev;
+
+        /*
+         * Remove loopback references from default routing entries
+         */
+/*      in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); */
+/* #ifdef CONFIG_IPV6_MULTIPLE_TABLES */
+/*      in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); */
+/*      in6_dev_put(net->ipv6.ip6_blk_hole_entry->rt6i_idev); */
+/* #endif */
+
+        rtnl_lock();
+        /* clean dev list */
+        for_each_netdev(net, dev) {
+                if (__in6_dev_get(dev) == NULL)
+                        continue;
+                addrconf_ifdown(dev, 1);
+        }
+        addrconf_ifdown(net->loopback_dev, 2);
+        rtnl_unlock();
 }
 
 static struct pernet_operations addrconf_net_ops = {
@@ -4357,7 +4357,6 @@ errlo:
 
 void addrconf_cleanup(void)
 {
-        struct net_device *dev;
         struct inet6_ifaddr *ifa;
         int i;
 
@@ -4369,20 +4368,8 @@ void addrconf_cleanup(void)
         rtnl_lock();
 
         /*
-         *      clean dev list.
-         */
-
-        for_each_netdev(&init_net, dev) {
-                if (__in6_dev_get(dev) == NULL)
-                        continue;
-                addrconf_ifdown(dev, 1);
-        }
-        addrconf_ifdown(init_net.loopback_dev, 2);
-
-        /*
          *      Check hash table.
          */
-
         write_lock_bh(&addrconf_hash_lock);
         for (i=0; i < IN6_ADDR_HSIZE; i++) {
                 for (ifa=inet6_addr_lst[i]; ifa; ) {