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Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2bd9c5f7627d..bc39e417694a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -269,6 +269,26 @@ int rtnl_link_register(struct rtnl_link_ops *ops)
EXPORT_SYMBOL_GPL(rtnl_link_register);
+static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
+{
+ struct net_device *dev;
+restart:
+ for_each_netdev(net, dev) {
+ if (dev->rtnl_link_ops == ops) {
+ ops->dellink(dev);
+ goto restart;
+ }
+ }
+}
+
+void rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops)
+{
+ rtnl_lock();
+ __rtnl_kill_links(net, ops);
+ rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(rtnl_kill_links);
+
/**
* __rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
* @ops: struct rtnl_link_ops * to unregister
@@ -277,17 +297,10 @@ EXPORT_SYMBOL_GPL(rtnl_link_register);
*/
void __rtnl_link_unregister(struct rtnl_link_ops *ops)
{
- struct net_device *dev, *n;
struct net *net;
for_each_net(net) {
-restart:
- for_each_netdev_safe(net, dev, n) {
- if (dev->rtnl_link_ops == ops) {
- ops->dellink(dev);
- goto restart;
- }
- }
+ __rtnl_kill_links(net, ops);
}
list_del(&ops->list);
}
@@ -662,7 +675,7 @@ nla_put_failure:
static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
int idx;
int s_idx = cb->args[0];
struct net_device *dev;
@@ -879,7 +892,7 @@ errout:
static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ifinfomsg *ifm;
struct net_device *dev;
int err;
@@ -921,7 +934,7 @@ errout:
static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
const struct rtnl_link_ops *ops;
struct net_device *dev;
struct ifinfomsg *ifm;
@@ -972,7 +985,7 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname,
goto err_free;
}
- dev->nd_net = net;
+ dev_net_set(dev, net);
dev->rtnl_link_ops = ops;
if (tb[IFLA_MTU])
@@ -1000,7 +1013,7 @@ err:
static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
const struct rtnl_link_ops *ops;
struct net_device *dev;
struct ifinfomsg *ifm;
@@ -1132,7 +1145,7 @@ replay:
static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
struct ifinfomsg *ifm;
struct nlattr *tb[IFLA_MAX+1];
struct net_device *dev = NULL;
@@ -1198,7 +1211,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
{
- struct net *net = dev->nd_net;
+ struct net *net = dev_net(dev);
struct sk_buff *skb;
int err = -ENOBUFS;
@@ -1227,7 +1240,7 @@ static int rtattr_max;
static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
- struct net *net = skb->sk->sk_net;
+ struct net *net = sock_net(skb->sk);
rtnl_doit_func doit;
int sz_idx, kind;
int min_len;