8 files changed, 44 insertions, 43 deletions

diff --git a/net/bridge/br.c b/net/bridge/br.c
index 573acdf6f9ff..4d2c1f1cb524 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -28,6 +28,10 @@ static const struct stp_proto br_stp_proto = {
         .rcv    = br_stp_rcv,
 };
 
+static struct pernet_operations br_net_ops = {
+        .exit   = br_net_exit,
+};
+
 static int __init br_init(void)
 {
         int err;
@@ -42,18 +46,22 @@ static int __init br_init(void)
         if (err)
                 goto err_out;
 
-        err = br_netfilter_init();
+        err = register_pernet_subsys(&br_net_ops);
         if (err)
                 goto err_out1;
 
-        err = register_netdevice_notifier(&br_device_notifier);
+        err = br_netfilter_init();
         if (err)
                 goto err_out2;
 
-        err = br_netlink_init();
+        err = register_netdevice_notifier(&br_device_notifier);
         if (err)
                 goto err_out3;
 
+        err = br_netlink_init();
+        if (err)
+                goto err_out4;
+
         brioctl_set(br_ioctl_deviceless_stub);
         br_handle_frame_hook = br_handle_frame;
 
@@ -61,10 +69,12 @@ static int __init br_init(void)
         br_fdb_put_hook = br_fdb_put;
 
         return 0;
-err_out3:
+err_out4:
         unregister_netdevice_notifier(&br_device_notifier);
-err_out2:
+err_out3:
         br_netfilter_fini();
+err_out2:
+        unregister_pernet_subsys(&br_net_ops);
 err_out1:
         br_fdb_fini();
 err_out:
@@ -80,7 +90,7 @@ static void __exit br_deinit(void)
         unregister_netdevice_notifier(&br_device_notifier);
         brioctl_set(NULL);
 
-        br_cleanup_bridges();
+        unregister_pernet_subsys(&br_net_ops);
 
         synchronize_net();
 
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 4f52c3d50ebe..22ba8632196f 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -178,5 +178,6 @@ void br_dev_setup(struct net_device *dev)
         dev->priv_flags = IFF_EBRIDGE;
 
         dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
-                        NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX;
+                        NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX |
+                        NETIF_F_NETNS_LOCAL;
 }
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 63c18aacde8c..573e20f7dba4 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -168,7 +168,7 @@ static void del_br(struct net_bridge *br)
         unregister_netdevice(br->dev);
 }
 
-static struct net_device *new_bridge_dev(const char *name)
+static struct net_device *new_bridge_dev(struct net *net, const char *name)
 {
         struct net_bridge *br;
         struct net_device *dev;
@@ -178,6 +178,7 @@ static struct net_device *new_bridge_dev(const char *name)
 
         if (!dev)
                 return NULL;
+        dev_net_set(dev, net);
 
         br = netdev_priv(dev);
         br->dev = dev;
@@ -262,12 +263,12 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
         return p;
 }
 
-int br_add_bridge(const char *name)
+int br_add_bridge(struct net *net, const char *name)
 {
         struct net_device *dev;
         int ret;
 
-        dev = new_bridge_dev(name);
+        dev = new_bridge_dev(net, name);
         if (!dev)
                 return -ENOMEM;
 
@@ -294,13 +295,13 @@ out_free:
         goto out;
 }
 
-int br_del_bridge(const char *name)
+int br_del_bridge(struct net *net, const char *name)
 {
         struct net_device *dev;
         int ret = 0;
 
         rtnl_lock();
-        dev = __dev_get_by_name(&init_net, name);
+        dev = __dev_get_by_name(net, name);
         if (dev == NULL)
                 ret =  -ENXIO;  /* Could not find device */
 
@@ -445,13 +446,13 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
         return 0;
 }
 
-void __exit br_cleanup_bridges(void)
+void br_net_exit(struct net *net)
 {
         struct net_device *dev;
 
         rtnl_lock();
 restart:
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 if (dev->priv_flags & IFF_EBRIDGE) {
                         del_br(dev->priv);
                         goto restart;
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index 5bbf07362172..6a6433daaf27 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -21,12 +21,12 @@
 #include "br_private.h"
 
 /* called with RTNL */
-static int get_bridge_ifindices(int *indices, int num)
+static int get_bridge_ifindices(struct net *net, int *indices, int num)
 {
         struct net_device *dev;
         int i = 0;
 
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 if (i >= num)
                         break;
                 if (dev->priv_flags & IFF_EBRIDGE)
@@ -89,7 +89,7 @@ static int add_del_if(struct net_bridge *br, int ifindex, int isadd)
         if (!capable(CAP_NET_ADMIN))
                 return -EPERM;
 
-        dev = dev_get_by_index(&init_net, ifindex);
+        dev = dev_get_by_index(dev_net(br->dev), ifindex);
         if (dev == NULL)
                 return -EINVAL;
 
@@ -315,7 +315,7 @@ static int old_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
         return -EOPNOTSUPP;
 }
 
-static int old_deviceless(void __user *uarg)
+static int old_deviceless(struct net *net, void __user *uarg)
 {
         unsigned long args[3];
 
@@ -337,7 +337,7 @@ static int old_deviceless(void __user *uarg)
                 if (indices == NULL)
                         return -ENOMEM;
 
-                args[2] = get_bridge_ifindices(indices, args[2]);
+                args[2] = get_bridge_ifindices(net, indices, args[2]);
 
                 ret = copy_to_user((void __user *)args[1], indices, args[2]*sizeof(int))
                         ? -EFAULT : args[2];
@@ -360,9 +360,9 @@ static int old_deviceless(void __user *uarg)
                 buf[IFNAMSIZ-1] = 0;
 
                 if (args[0] == BRCTL_ADD_BRIDGE)
-                        return br_add_bridge(buf);
+                        return br_add_bridge(net, buf);
 
-                return br_del_bridge(buf);
+                return br_del_bridge(net, buf);
         }
         }
 
@@ -374,7 +374,7 @@ int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *uar
         switch (cmd) {
         case SIOCGIFBR:
         case SIOCSIFBR:
-                return old_deviceless(uarg);
+                return old_deviceless(net, uarg);
 
         case SIOCBRADDBR:
         case SIOCBRDELBR:
@@ -389,9 +389,9 @@ int br_ioctl_deviceless_stub(struct net *net, unsigned int cmd, void __user *uar
 
                 buf[IFNAMSIZ-1] = 0;
                 if (cmd == SIOCBRADDBR)
-                        return br_add_bridge(buf);
+                        return br_add_bridge(net, buf);
 
-                return br_del_bridge(buf);
+                return br_del_bridge(net, buf);
         }
         }
         return -EOPNOTSUPP;
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index f155e6ce8a21..ba7be195803c 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -82,6 +82,7 @@ nla_put_failure:
  */
 void br_ifinfo_notify(int event, struct net_bridge_port *port)
 {
+        struct net *net = dev_net(port->dev);
         struct sk_buff *skb;
         int err = -ENOBUFS;
 
@@ -97,10 +98,10 @@ void br_ifinfo_notify(int event, struct net_bridge_port *port)
                 kfree_skb(skb);
                 goto errout;
         }
-        err = rtnl_notify(skb, &init_net,0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+        err = rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
 errout:
         if (err < 0)
-                rtnl_set_sk_err(&init_net, RTNLGRP_LINK, err);
+                rtnl_set_sk_err(net, RTNLGRP_LINK, err);
 }
 
 /*
@@ -112,11 +113,8 @@ static int br_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
         struct net_device *dev;
         int idx;
 
-        if (net != &init_net)
-                return 0;
-
         idx = 0;
-        for_each_netdev(&init_net, dev) {
+        for_each_netdev(net, dev) {
                 /* not a bridge port */
                 if (dev->br_port == NULL || idx < cb->args[0])
                         goto skip;
@@ -147,9 +145,6 @@ static int br_rtm_setlink(struct sk_buff *skb,  struct nlmsghdr *nlh, void *arg)
         struct net_bridge_port *p;
         u8 new_state;
 
-        if (net != &init_net)
-                return -EINVAL;
-
         if (nlmsg_len(nlh) < sizeof(*ifm))
                 return -EINVAL;
 
@@ -165,7 +160,7 @@ static int br_rtm_setlink(struct sk_buff *skb,  struct nlmsghdr *nlh, void *arg)
         if (new_state > BR_STATE_BLOCKING)
                 return -EINVAL;
 
-        dev = __dev_get_by_index(&init_net, ifm->ifi_index);
+        dev = __dev_get_by_index(net, ifm->ifi_index);
         if (!dev)
                 return -ENODEV;
 
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 76340bdd052e..763a3ec292e5 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -35,9 +35,6 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
         struct net_bridge_port *p = dev->br_port;
         struct net_bridge *br;
 
-        if (!net_eq(dev_net(dev), &init_net))
-                return NOTIFY_DONE;
-
         /* not a port of a bridge */
         if (p == NULL)
                 return NOTIFY_DONE;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index c3dc18ddc043..b6c3b71974dc 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -178,9 +178,9 @@ extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb);
 
 /* br_if.c */
 extern void br_port_carrier_check(struct net_bridge_port *p);
-extern int br_add_bridge(const char *name);
-extern int br_del_bridge(const char *name);
-extern void br_cleanup_bridges(void);
+extern int br_add_bridge(struct net *net, const char *name);
+extern int br_del_bridge(struct net *net, const char *name);
+extern void br_net_exit(struct net *net);
 extern int br_add_if(struct net_bridge *br,
               struct net_device *dev);
 extern int br_del_if(struct net_bridge *br,
diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
index 8b200f96f722..81ae40b3f655 100644
--- a/net/bridge/br_stp_bpdu.c
+++ b/net/bridge/br_stp_bpdu.c
@@ -140,9 +140,6 @@ void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
         struct net_bridge *br;
         const unsigned char *buf;
 
-        if (!net_eq(dev_net(dev), &init_net))
-                goto err;
-
         if (!p)
                 goto err;