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batman-adv: fix skb leak in batadv_dat_snoop_incoming_arp_reply()

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The callers of batadv_dat_snoop_incoming_arp_reply() assume the skb has been
freed when it returns true; fix this by calling kfree_skb before returning as
it is done in batadv_dat_snoop_incoming_arp_request().

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Matthias Schiffer 2013-01-23 18:11:53 +01:00 committed by Antonio Quartulli
parent 1591ab6740
commit 0d15becee5
1 changed files with 2 additions and 0 deletions
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2
net/batman-adv/distributed-arp-table.c
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@ -1012,6 +1012,8 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
*/
ret = !batadv_is_my_client(bat_priv, hw_dst);
out:
if (ret)
kfree_skb(skb);
/* if ret == false -> packet has to be delivered to the interface */
return ret;
}