net: pass kern to net_proto_family create function

The generic __sock_create function has a kern argument which allows the
security system to make decisions based on if a socket is being created by
the kernel or by userspace.  This patch passes that flag to the
net_proto_family specific create function, so it can do the same thing.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index e6d9abf..d00c211 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -177,6 +177,7 @@
  * @net: network namespace (must be default network)
  * @sock: pre-allocated socket structure
  * @protocol: protocol indicator (must be 0)
+ * @kern: caused by kernel or by userspace?
  *
  * This routine creates additional data structures used by the TIPC socket,
  * initializes them, and links them together.
@@ -184,7 +185,8 @@
  * Returns 0 on success, errno otherwise
  */
 
-static int tipc_create(struct net *net, struct socket *sock, int protocol)
+static int tipc_create(struct net *net, struct socket *sock, int protocol,
+		       int kern)
 {
 	const struct proto_ops *ops;
 	socket_state state;
@@ -1528,7 +1530,7 @@
 
 	buf = skb_peek(&sk->sk_receive_queue);
 
-	res = tipc_create(sock_net(sock->sk), new_sock, 0);
+	res = tipc_create(sock_net(sock->sk), new_sock, 0, 0);
 	if (!res) {
 		struct sock *new_sk = new_sock->sk;
 		struct tipc_sock *new_tsock = tipc_sk(new_sk);