net: kill sk_change_net and sk_release_kernel

These functions are no longer needed and no longer used kill them.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 19 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 9e8968e9ebeb..c18738a795b0 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1466,25 +1466,6 @@ void sk_free(struct sock *sk)
 }
 EXPORT_SYMBOL(sk_free);
 
-/*
- * Last sock_put should drop reference to sk->sk_net. It has already
- * been dropped in sk_change_net. Taking reference to stopping namespace
- * is not an option.
- * Take reference to a socket to remove it from hash _alive_ and after that
- * destroy it in the context of init_net.
- */
-void sk_release_kernel(struct sock *sk)
-{
-        if (sk == NULL || sk->sk_socket == NULL)
-                return;
-
-        sock_hold(sk);
-        sock_net_set(sk, get_net(&init_net));
-        sock_release(sk->sk_socket);
-        sock_put(sk);
-}
-EXPORT_SYMBOL(sk_release_kernel);
-
 static void sk_update_clone(const struct sock *sk, struct sock *newsk)
 {
         if (mem_cgroup_sockets_enabled && sk->sk_cgrp)