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authorMarek Lindner <mareklindner@neomailbox.ch>2015-07-25 23:57:43 +0300
committerAntonio Quartulli <antonio@meshcoding.com>2015-08-27 21:15:31 +0300
commit741aa06bfb0ab731086d258a1838152fe2502b5f (patch)
treea2f2d2215e913c789720623e267984632bcfe340 /net
parent39bf7618f038474a0ccbeb0be173f11e147bd083 (diff)
downloadlinux-741aa06bfb0ab731086d258a1838152fe2502b5f.tar.xz
batman-adv: move neigh_node list add into batadv_neigh_node_new()
All batadv_neigh_node_* functions expect the neigh_node list item to be part of the orig_node->neigh_list, therefore the constructor of said list item should be adding the newly created neigh_node to the respective list. Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Acked-by: Simon Wunderlich <sw@simonwunderlich.de> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net')
-rw-r--r--net/batman-adv/bat_iv_ogm.c21
-rw-r--r--net/batman-adv/originator.c12
2 files changed, 13 insertions, 20 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b18184e0c497..5e93af4cb97f 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -296,8 +296,7 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
struct batadv_orig_node *orig_node,
struct batadv_orig_node *orig_neigh)
{
- struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
- struct batadv_neigh_node *neigh_node, *tmp_neigh_node;
+ struct batadv_neigh_node *neigh_node;
neigh_node = batadv_neigh_node_new(hard_iface, neigh_addr, orig_node);
if (!neigh_node)
@@ -305,24 +304,6 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
neigh_node->orig_node = orig_neigh;
- spin_lock_bh(&orig_node->neigh_list_lock);
- tmp_neigh_node = batadv_neigh_node_get(orig_node, hard_iface,
- neigh_addr);
- if (!tmp_neigh_node) {
- hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);
- } else {
- kfree(neigh_node);
- batadv_hardif_free_ref(hard_iface);
- neigh_node = tmp_neigh_node;
- }
- spin_unlock_bh(&orig_node->neigh_list_lock);
-
- if (!tmp_neigh_node)
- batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
- "Creating new neighbor %pM for orig_node %pM on interface %s\n",
- neigh_addr, orig_node->orig,
- hard_iface->net_dev->name);
-
out:
return neigh_node;
}
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index f8317c1db427..f7517757d435 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -457,6 +457,10 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
{
struct batadv_neigh_node *neigh_node;
+ neigh_node = batadv_neigh_node_get(orig_node, hard_iface, neigh_addr);
+ if (neigh_node)
+ goto out;
+
neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC);
if (!neigh_node)
goto out;
@@ -478,6 +482,14 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
/* extra reference for return */
atomic_set(&neigh_node->refcount, 2);
+ spin_lock_bh(&orig_node->neigh_list_lock);
+ hlist_add_head_rcu(&neigh_node->list, &orig_node->neigh_list);
+ spin_unlock_bh(&orig_node->neigh_list_lock);
+
+ batadv_dbg(BATADV_DBG_BATMAN, orig_node->bat_priv,
+ "Creating new neighbor %pM for orig_node %pM on interface %s\n",
+ neigh_addr, orig_node->orig, hard_iface->net_dev->name);
+
out:
return neigh_node;
}