net: Make static

Sparse asked whether these could be static.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 424d86a..daf2b98 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -1106,7 +1106,7 @@
 	add_timer(&dn_db->timer);
 }
 
-struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
+static struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
 {
 	int i;
 	struct dn_dev_parms *p = dn_dev_list;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index b33b254..c754670 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -311,7 +311,7 @@
 	return 0;
 }
 
-void dn_run_flush(unsigned long dummy)
+static void dn_run_flush(unsigned long dummy)
 {
 	int i;
 	struct dn_route *rt, *next;
@@ -1422,7 +1422,7 @@
 	goto done;
 }
 
-int dn_route_input(struct sk_buff *skb)
+static int dn_route_input(struct sk_buff *skb)
 {
 	struct dn_route *rt;
 	struct dn_skb_cb *cb = DN_SKB_CB(skb);