diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/batman-adv/gateway_client.c | 48 | ||||
| -rw-r--r-- | net/batman-adv/gateway_client.h | 2 | ||||
| -rw-r--r-- | net/batman-adv/main.c | 2 | ||||
| -rw-r--r-- | net/batman-adv/originator.c | 1 | ||||
| -rw-r--r-- | net/batman-adv/types.h | 2 |
5 files changed, 14 insertions, 41 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; diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index ef4d7e336651..fa9527785ed3 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -38,7 +38,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv, struct batadv_tvlv_gateway_data *gateway); void batadv_gw_node_delete(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node); -void batadv_gw_node_purge(struct batadv_priv *bat_priv); +void batadv_gw_node_free(struct batadv_priv *bat_priv); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); enum batadv_dhcp_recipient diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index e61c5f3633d0..d7f17c1aa4a4 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -199,7 +199,7 @@ void batadv_mesh_free(struct net_device *soft_iface) batadv_purge_outstanding_packets(bat_priv, NULL); - batadv_gw_node_purge(bat_priv); + batadv_gw_node_free(bat_priv); batadv_nc_mesh_free(bat_priv); batadv_dat_free(bat_priv); batadv_bla_free(bat_priv); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index f7517757d435..d6d9809fee66 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -1028,7 +1028,6 @@ static void _batadv_purge_orig(struct batadv_priv *bat_priv) spin_unlock_bh(list_lock); } - batadv_gw_node_purge(bat_priv); batadv_gw_election(bat_priv); } diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 2f5e6c39f913..d260efd70499 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -328,7 +328,6 @@ enum batadv_orig_capabilities { * @orig_node: pointer to corresponding orig node * @bandwidth_down: advertised uplink download bandwidth * @bandwidth_up: advertised uplink upload bandwidth - * @deleted: this struct is scheduled for deletion * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner */ @@ -337,7 +336,6 @@ struct batadv_gw_node { struct batadv_orig_node *orig_node; u32 bandwidth_down; u32 bandwidth_up; - unsigned long deleted; atomic_t refcount; struct rcu_head rcu; }; |