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batman-adv: Increase hard_iface refcnt for ptype

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The hard_iface is referenced in the packet_type for batman-adv. Increase
the refcounter of the hard_interface for it to have an explicit reference
for it in case this functionality gets refactorted and the currently
used implicit reference for it will be removed.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
This commit is contained in:
Sven Eckelmann 2016-03-05 16:09:18 +01:00 committed by Antonio Quartulli
parent 4fe56e60ac
commit d7d6de9530
1 changed files with 2 additions and 0 deletions
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2
net/batman-adv/hard-interface.c
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@ -522,6 +522,7 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
goto err_upper;
}
kref_get(&hard_iface->refcount);
hard_iface->batman_adv_ptype.type = ethertype;
hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv;
hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;
@ -583,6 +584,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,
batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",
hard_iface->net_dev->name);
dev_remove_pack(&hard_iface->batman_adv_ptype);
batadv_hardif_put(hard_iface);
bat_priv->num_ifaces--;
batadv_orig_hash_del_if(hard_iface, bat_priv->num_ifaces);