net: Convert all sysctl registrations to register_net_sysctl

This results in code with less boiler plate that is a bit easier
to read.

Additionally stops us from using compatibility code in the sysctl
core, hastening the day when the compatibility code can be removed.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c
index 20ced38..de73f64 100644
--- a/net/irda/irsysctl.c
+++ b/net/irda/irsysctl.c
@@ -235,12 +235,6 @@
 	{ }
 };
 
-static struct ctl_path irda_path[] = {
-	{ .procname = "net", },
-	{ .procname = "irda", },
-	{ }
-};
-
 static struct ctl_table_header *irda_table_header;
 
 /*
@@ -251,7 +245,7 @@
  */
 int __init irda_sysctl_register(void)
 {
-	irda_table_header = register_net_sysctl_table(&init_net, irda_path, irda_table);
+	irda_table_header = register_net_sysctl(&init_net, "net/irda", irda_table);
 	if (!irda_table_header)
 		return -ENOMEM;