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/dccp/sysctl.c b/net/dccp/sysctl.c
index 329e139..607ab71 100644
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -98,18 +98,11 @@
 	{ }
 };
 
-static struct ctl_path dccp_path[] = {
-	{ .procname = "net", },
-	{ .procname = "dccp", },
-	{ .procname = "default", },
-	{ }
-};
-
 static struct ctl_table_header *dccp_table_header;
 
 int __init dccp_sysctl_init(void)
 {
-	dccp_table_header = register_net_sysctl_table(&init_net, dccp_path,
+	dccp_table_header = register_net_sysctl(&init_net, "net/dccp/default",
 			dccp_default_table);
 
 	return dccp_table_header != NULL ? 0 : -ENOMEM;