diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index ce8a184..f3924ab 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -209,15 +209,7 @@
 	struct dn_dev_sysctl_table *t;
 	int i;
 
-#define DN_CTL_PATH_DEV	3
-
-	struct ctl_path dn_ctl_path[] = {
-		{ .procname = "net",  },
-		{ .procname = "decnet",  },
-		{ .procname = "conf",  },
-		{ /* to be set */ },
-		{ },
-	};
+	char path[sizeof("net/decnet/conf/") + IFNAMSIZ];
 
 	t = kmemdup(&dn_dev_sysctl, sizeof(*t), GFP_KERNEL);
 	if (t == NULL)
@@ -228,15 +220,12 @@
 		t->dn_dev_vars[i].data = ((char *)parms) + offset;
 	}
 
-	if (dev) {
-		dn_ctl_path[DN_CTL_PATH_DEV].procname = dev->name;
-	} else {
-		dn_ctl_path[DN_CTL_PATH_DEV].procname = parms->name;
-	}
+	snprintf(path, sizeof(path), "net/decnet/conf/%s",
+		dev? dev->name : parms->name);
 
 	t->dn_dev_vars[0].extra1 = (void *)dev;
 
-	t->sysctl_header = register_net_sysctl_table(&init_net, dn_ctl_path, t->dn_dev_vars);
+	t->sysctl_header = register_net_sysctl(&init_net, path, t->dn_dev_vars);
 	if (t->sysctl_header == NULL)
 		kfree(t);
 	else