batman-adv: Remove unused function batadv_hash_delete

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

net/batman-adv/hash.h

@@ -61,36 +61,6 @@ void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
 /* free only the hashtable and the hash itself. */
 void batadv_hash_destroy(struct batadv_hashtable *hash);
 
-/* remove the hash structure. if hashdata_free_cb != NULL, this function will be
- * called to remove the elements inside of the hash.  if you don't remove the
- * elements, memory might be leaked.
- */
-static inline void batadv_hash_delete(struct batadv_hashtable *hash,
-				      batadv_hashdata_free_cb free_cb,
-				      void *arg)
-{
-	struct hlist_head *head;
-	struct hlist_node *node, *node_tmp;
-	spinlock_t *list_lock; /* spinlock to protect write access */
-	u32 i;
-
-	for (i = 0; i < hash->size; i++) {
-		head = &hash->table[i];
-		list_lock = &hash->list_locks[i];
-
-		spin_lock_bh(list_lock);
-		hlist_for_each_safe(node, node_tmp, head) {
-			hlist_del_rcu(node);
-
-			if (free_cb)
-				free_cb(node, arg);
-		}
-		spin_unlock_bh(list_lock);
-	}
-
-	batadv_hash_destroy(hash);
-}
-
 /**
  *	batadv_hash_add - adds data to the hashtable
  *	@hash: storage hash table