batman-adv: turn batadv_neigh_node_get() into local function

commit c214ebe1eb29 ("batman-adv: move neigh_node list add into
batadv_neigh_node_new()") removed external calls to
batadv_neigh_node_get().
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>

net/batman-adv/originator.c

@@ -442,6 +442,42 @@ batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
 	return neigh_ifinfo;
 }
 
+/**
+ * batadv_neigh_node_get - retrieve a neighbour from the list
+ * @orig_node: originator which the neighbour belongs to
+ * @hard_iface: the interface where this neighbour is connected to
+ * @addr: the address of the neighbour
+ *
+ * Looks for and possibly returns a neighbour belonging to this originator list
+ * which is connected through the provided hard interface.
+ * Returns NULL if the neighbour is not found.
+ */
+static struct batadv_neigh_node *
+batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
+		      const struct batadv_hard_iface *hard_iface,
+		      const u8 *addr)
+{
+	struct batadv_neigh_node *tmp_neigh_node, *res = NULL;
+
+	rcu_read_lock();
+	hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) {
+		if (!batadv_compare_eth(tmp_neigh_node->addr, addr))
+			continue;
+
+		if (tmp_neigh_node->if_incoming != hard_iface)
+			continue;
+
+		if (!atomic_inc_not_zero(&tmp_neigh_node->refcount))
+			continue;
+
+		res = tmp_neigh_node;
+		break;
+	}
+	rcu_read_unlock();
+
+	return res;
+}
+
 /**
  * batadv_neigh_node_new - create and init a new neigh_node object
  * @orig_node: originator object representing the neighbour
@@ -495,42 +531,6 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node,
 	return neigh_node;
 }
 
-/**
- * batadv_neigh_node_get - retrieve a neighbour from the list
- * @orig_node: originator which the neighbour belongs to
- * @hard_iface: the interface where this neighbour is connected to
- * @addr: the address of the neighbour
- *
- * Looks for and possibly returns a neighbour belonging to this originator list
- * which is connected through the provided hard interface.
- * Returns NULL if the neighbour is not found.
- */
-struct batadv_neigh_node *
-batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
-		      const struct batadv_hard_iface *hard_iface,
-		      const u8 *addr)
-{
-	struct batadv_neigh_node *tmp_neigh_node, *res = NULL;
-
-	rcu_read_lock();
-	hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) {
-		if (!batadv_compare_eth(tmp_neigh_node->addr, addr))
-			continue;
-
-		if (tmp_neigh_node->if_incoming != hard_iface)
-			continue;
-
-		if (!atomic_inc_not_zero(&tmp_neigh_node->refcount))
-			continue;
-
-		res = tmp_neigh_node;
-		break;
-	}
-	rcu_read_unlock();
-
-	return res;
-}
-
 /**
  * batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object
  * @rcu: rcu pointer of the orig_ifinfo object

net/batman-adv/originator.h

@@ -42,10 +42,6 @@ void batadv_orig_node_free_ref_now(struct batadv_orig_node *orig_node);
 struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
 					      const u8 *addr);
 struct batadv_neigh_node *
-batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
-		      const struct batadv_hard_iface *hard_iface,
-		      const u8 *addr);
-struct batadv_neigh_node *
 batadv_neigh_node_new(struct batadv_orig_node *orig_node,
 		      struct batadv_hard_iface *hard_iface,
 		      const u8 *neigh_addr);