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Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r--net/batman-adv/translation-table.c24
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)