diff options
Diffstat (limited to 'net/ipv4/devinet.c')
| -rw-r--r-- | net/ipv4/devinet.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index b42f74617ba..c0eb26a0d0b 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -441,6 +441,7 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { + struct net *net = skb->sk->sk_net; struct nlattr *tb[IFA_MAX+1]; struct in_device *in_dev; struct ifaddrmsg *ifm; @@ -449,6 +450,9 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg ASSERT_RTNL(); + if (net != &init_net) + return -EINVAL; + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); if (err < 0) goto errout; @@ -560,10 +564,14 @@ errout: static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { + struct net *net = skb->sk->sk_net; struct in_ifaddr *ifa; ASSERT_RTNL(); + if (net != &init_net) + return -EINVAL; + ifa = rtm_to_ifaddr(nlh); if (IS_ERR(ifa)) return PTR_ERR(ifa); @@ -1174,12 +1182,16 @@ nla_put_failure: static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) { + struct net *net = skb->sk->sk_net; int idx, ip_idx; struct net_device *dev; struct in_device *in_dev; struct in_ifaddr *ifa; int s_ip_idx, s_idx = cb->args[0]; + if (net != &init_net) + return 0; + s_ip_idx = ip_idx = cb->args[1]; idx = 0; for_each_netdev(&init_net, dev) { |