diff options
Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r-- | net/batman-adv/translation-table.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 76f19ba62462..a22080c53401 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -1443,7 +1443,7 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv, * TT_CLIENT_WIFI, therefore they have to be copied in the * client entry */ - tt_global_entry->common.flags |= flags; + common->flags |= flags; /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only * one originator left in the list and we previously received a @@ -2419,8 +2419,8 @@ static bool batadv_tt_global_check_crc(struct batadv_orig_node *orig_node, { struct batadv_tvlv_tt_vlan_data *tt_vlan_tmp; struct batadv_orig_node_vlan *vlan; + int i, orig_num_vlan; u32 crc; - int i; /* check if each received CRC matches the locally stored one */ for (i = 0; i < num_vlan; i++) { @@ -2446,6 +2446,18 @@ static bool batadv_tt_global_check_crc(struct batadv_orig_node *orig_node, return false; } + /* check if any excess VLANs exist locally for the originator + * which are not mentioned in the TVLV from the originator. + */ + rcu_read_lock(); + orig_num_vlan = 0; + hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) + orig_num_vlan++; + rcu_read_unlock(); + + if (orig_num_vlan > num_vlan) + return false; + return true; } @@ -3327,7 +3339,10 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, bool ret = false; vlan = batadv_softif_vlan_get(bat_priv, vid); - if (!vlan || !atomic_read(&vlan->ap_isolation)) + if (!vlan) + return false; + + if (!atomic_read(&vlan->ap_isolation)) goto out; tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst, vid); @@ -3344,8 +3359,7 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, ret = true; out: - if (vlan) - batadv_softif_vlan_free_ref(vlan); + batadv_softif_vlan_free_ref(vlan); if (tt_global_entry) batadv_tt_global_entry_free_ref(tt_global_entry); if (tt_local_entry) |