[NETNS]: Namespace stop vs 'ip r l' race.

[deliverable/linux.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 02cf848f71d23205b79384361af3fde819517fd3..ddbdde82a700dcf46a81a05439c966182b851d8c 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1368,25 +1368,14 @@ static int rtnetlink_net_init(struct net *net)
                                   rtnetlink_rcv, &rtnl_mutex, THIS_MODULE);
        if (!sk)
                return -ENOMEM;
-
-       /* Don't hold an extra reference on the namespace */
-       put_net(sk->sk_net);
        net->rtnl = sk;
        return 0;
 }
 
 static void rtnetlink_net_exit(struct net *net)
 {
-       struct sock *sk = net->rtnl;
-       if (sk) {
-               /* At the last minute lie and say this is a socket for the
-                * initial network namespace.  So the socket will be safe to
-                * free.
-                */
-               sk->sk_net = get_net(&init_net);
-               netlink_kernel_release(net->rtnl);
-               net->rtnl = NULL;
-       }
+       netlink_kernel_release(net->rtnl);
+       net->rtnl = NULL;
 }
 
 static struct pernet_operations rtnetlink_net_ops = {