diff options
| -rw-r--r-- | net/batman-adv/hard-interface.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index 282bf6e9353e..2c5a247a8f12 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -313,7 +313,13 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, hard_iface->if_num = bat_priv->num_ifaces; bat_priv->num_ifaces++; hard_iface->if_status = BATADV_IF_INACTIVE; - batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces); + ret = batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces); + if (ret < 0) { + bat_priv->bat_algo_ops->bat_iface_disable(hard_iface); + bat_priv->num_ifaces--; + hard_iface->if_status = BATADV_IF_NOT_IN_USE; + goto err_dev; + } hard_iface->batman_adv_ptype.type = ethertype; hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv; |