netlink: hide struct module parameter in netlink_kernel_create

This patch defines netlink_kernel_create as a wrapper function of
__netlink_kernel_create to hide the struct module *me parameter
(which seems to be THIS_MODULE in all existing netlink subsystems).

Suggested by David S. Miller.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index b74540c..4d348e9 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1526,9 +1526,8 @@
  */
 
 struct sock *
-netlink_kernel_create(struct net *net, int unit,
-		      struct module *module,
-		      struct netlink_kernel_cfg *cfg)
+__netlink_kernel_create(struct net *net, int unit, struct module *module,
+			struct netlink_kernel_cfg *cfg)
 {
 	struct socket *sock;
 	struct sock *sk;
@@ -1603,8 +1602,7 @@
 	sock_release(sock);
 	return NULL;
 }
-EXPORT_SYMBOL(netlink_kernel_create);
-
+EXPORT_SYMBOL(__netlink_kernel_create);
 
 void
 netlink_kernel_release(struct sock *sk)