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/crypto/crypto_user.c b/crypto/crypto_user.c
index ba2c611..165914e6 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -500,8 +500,7 @@
 		.input	= crypto_netlink_rcv,
 	};
 
-	crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO,
-					    THIS_MODULE, &cfg);
+	crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO, &cfg);
 	if (!crypto_nlsk)
 		return -ENOMEM;