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Diffstat (limited to 'net/batman-adv/gateway_client.c')
-rw-r--r--net/batman-adv/gateway_client.c48
1 files changed, 12 insertions, 36 deletions
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index d7ca2144e62c..634c7e3b4e89 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -161,9 +161,6 @@ batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) {
- if (gw_node->deleted)
- continue;
-
orig_node = gw_node->orig_node;
router = batadv_orig_router_get(orig_node, BATADV_IF_DEFAULT);
if (!router)
@@ -473,9 +470,6 @@ batadv_gw_node_get(struct batadv_priv *bat_priv,
if (gw_node_tmp->orig_node != orig_node)
continue;
- if (gw_node_tmp->deleted)
- continue;
-
if (!atomic_inc_not_zero(&gw_node_tmp->refcount))
continue;
@@ -525,9 +519,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
gw_node->bandwidth_down = ntohl(gateway->bandwidth_down);
gw_node->bandwidth_up = ntohl(gateway->bandwidth_up);
- gw_node->deleted = 0;
if (ntohl(gateway->bandwidth_down) == 0) {
- gw_node->deleted = jiffies;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Gateway %pM removed from gateway list\n",
orig_node->orig);
@@ -535,14 +527,21 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
/* Note: We don't need a NULL check here, since curr_gw never
* gets dereferenced.
*/
+ spin_lock_bh(&bat_priv->gw.list_lock);
+ hlist_del_init_rcu(&gw_node->list);
+ spin_unlock_bh(&bat_priv->gw.list_lock);
+
+ batadv_gw_node_free_ref(gw_node);
+
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
if (gw_node == curr_gw)
batadv_gw_reselect(bat_priv);
+
+ if (curr_gw)
+ batadv_gw_node_free_ref(curr_gw);
}
out:
- if (curr_gw)
- batadv_gw_node_free_ref(curr_gw);
if (gw_node)
batadv_gw_node_free_ref(gw_node);
}
@@ -558,39 +557,19 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv,
batadv_gw_node_update(bat_priv, orig_node, &gateway);
}
-void batadv_gw_node_purge(struct batadv_priv *bat_priv)
+void batadv_gw_node_free(struct batadv_priv *bat_priv)
{
- struct batadv_gw_node *gw_node, *curr_gw;
+ struct batadv_gw_node *gw_node;
struct hlist_node *node_tmp;
- unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT);
- int do_reselect = 0;
-
- curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
spin_lock_bh(&bat_priv->gw.list_lock);
-
hlist_for_each_entry_safe(gw_node, node_tmp,
&bat_priv->gw.list, list) {
- if (((!gw_node->deleted) ||
- (time_before(jiffies, gw_node->deleted + timeout))) &&
- atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE)
- continue;
- if (curr_gw == gw_node)
- do_reselect = 1;
-
- hlist_del_rcu(&gw_node->list);
+ hlist_del_init_rcu(&gw_node->list);
batadv_gw_node_free_ref(gw_node);
}
-
spin_unlock_bh(&bat_priv->gw.list_lock);
-
- /* gw_reselect() needs to acquire the gw_list_lock */
- if (do_reselect)
- batadv_gw_reselect(bat_priv);
-
- if (curr_gw)
- batadv_gw_node_free_ref(curr_gw);
}
/* fails if orig_node has no router */
@@ -654,9 +633,6 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, &bat_priv->gw.list, list) {
- if (gw_node->deleted)
- continue;
-
/* fails if orig_node has no router */
if (batadv_write_buffer_text(bat_priv, seq, gw_node) < 0)
continue;