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authorMatthias Schiffer <mschiffer@universe-factory.net>2013-01-23 18:11:53 +0100
committerAntonio Quartulli <ordex@autistici.org>2013-01-27 14:02:39 +0100
commit0d15becee56fdfc2e9a4374c46ea7cf7562a6f32 (patch)
tree218a53078572bf94d889d04111f1dd78a0e29b4b /net/batman-adv
parent1591ab6740326aaf41e194c43bdf8ece6e2e4835 (diff)
downloadlinux-0d15becee56fdfc2e9a4374c46ea7cf7562a6f32.tar.bz2
batman-adv: fix skb leak in batadv_dat_snoop_incoming_arp_reply()
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>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/distributed-arp-table.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 8e1d89d2b1c1..ce0d2992381a 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -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;
}