[NET]: Make netlink_kernel_release publically available as sk_release_kernel.
This staff will be needed for non-netlink kernel sockets, which should
also not pin a namespace like tcp_socket and icmp_socket.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index e6b636d..524e826 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1372,8 +1372,7 @@
goto out_sock_release_nosk;
sk = sock->sk;
- put_net(sk->sk_net);
- sk->sk_net = net;
+ sk_change_net(sk, net);
if (groups < 32)
groups = 32;
@@ -1421,20 +1420,7 @@
void
netlink_kernel_release(struct sock *sk)
{
- /*
- * Last sock_put should drop referrence to sk->sk_net. It has already
- * been dropped in netlink_kernel_create. Taking referrence to stopping
- * namespace is not an option.
- * Take referrence to a socket to remove it from netlink lookup table
- * _alive_ and after that destroy it in the context of init_net.
- */
- if (sk == NULL || sk->sk_socket == NULL)
- return;
-
- sock_hold(sk);
- sock_release(sk->sk_socket);
- sk->sk_net = get_net(&init_net);
- sock_put(sk);
+ sk_release_kernel(sk);
}
EXPORT_SYMBOL(netlink_kernel_release);