batman-adv: Deinline batadv_orig_hash_find, save 7339 bytes

[linux-block.git] / net / batman-adv / originator.c

diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 2967b86c13da10d14d527fe7bc89f1faaaef64c2..0a565d0422bbf1441a73d1693c60675624d700eb 100644 (file)
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -30,10 +30,12 @@
 #include <linux/netdevice.h>
 #include <linux/netlink.h>
 #include <linux/rculist.h>
+#include <linux/rcupdate.h>
 #include <linux/seq_file.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/stddef.h>
 #include <linux/workqueue.h>
 #include <net/sock.h>
 #include <uapi/linux/batman_adv.h>
@@ -55,6 +57,36 @@
 /* hash class keys */
 static struct lock_class_key batadv_orig_hash_lock_class_key;
 
+struct batadv_orig_node *
+batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data)
+{
+       struct batadv_hashtable *hash = bat_priv->orig_hash;
+       struct hlist_head *head;
+       struct batadv_orig_node *orig_node, *orig_node_tmp = NULL;
+       int index;
+
+       if (!hash)
+               return NULL;
+
+       index = batadv_choose_orig(data, hash->size);
+       head = &hash->table[index];
+
+       rcu_read_lock();
+       hlist_for_each_entry_rcu(orig_node, head, hash_entry) {
+               if (!batadv_compare_eth(orig_node, data))
+                       continue;
+
+               if (!kref_get_unless_zero(&orig_node->refcount))
+                       continue;
+
+               orig_node_tmp = orig_node;
+               break;
+       }
+       rcu_read_unlock();
+
+       return orig_node_tmp;
+}
+
 static void batadv_purge_orig(struct work_struct *work);
 
 /**