[NETNS]: Process interface address manipulation routines in the namespace.

The namespace is available when required except rtm_to_ifaddr. Add
namespace argument to it.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 6 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 3376d635c847..f282b26f63eb 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -485,7 +485,7 @@ errout:
         return err;
 }
 
-static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
+static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh)
 {
         struct nlattr *tb[IFA_MAX+1];
         struct in_ifaddr *ifa;
@@ -503,7 +503,7 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
         if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
                 goto errout;
 
-        dev = __dev_get_by_index(&init_net, ifm->ifa_index);
+        dev = __dev_get_by_index(net, ifm->ifa_index);
         err = -ENODEV;
         if (dev == NULL)
                 goto errout;
@@ -563,7 +563,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
         if (net != &init_net)
                 return -EINVAL;
 
-        ifa = rtm_to_ifaddr(nlh);
+        ifa = rtm_to_ifaddr(net, nlh);
         if (IS_ERR(ifa))
                 return PTR_ERR(ifa);
 
@@ -1177,7 +1177,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 
         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)
@@ -1211,7 +1211,9 @@ static void rtmsg_ifa(int event, struct in_ifaddr* ifa, struct nlmsghdr *nlh,
         struct sk_buff *skb;
         u32 seq = nlh ? nlh->nlmsg_seq : 0;
         int err = -ENOBUFS;
+        struct net *net;
 
+        net = ifa->ifa_dev->dev->nd_net;
         skb = nlmsg_new(inet_nlmsg_size(), GFP_KERNEL);
         if (skb == NULL)
                 goto errout;
@@ -1223,10 +1225,10 @@ static void rtmsg_ifa(int event, struct in_ifaddr* ifa, struct nlmsghdr *nlh,
                 kfree_skb(skb);
                 goto errout;
         }
-        err = rtnl_notify(skb, &init_net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
+        err = rtnl_notify(skb, net, pid, RTNLGRP_IPV4_IFADDR, nlh, GFP_KERNEL);
 errout:
         if (err < 0)
-                rtnl_set_sk_err(&init_net, RTNLGRP_IPV4_IFADDR, err);
+                rtnl_set_sk_err(net, RTNLGRP_IPV4_IFADDR, err);
 }
 
 #ifdef CONFIG_SYSCTL