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batman-adv: fix for leaked TVLV handler.

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A handler for BATADV_TVLV_ROAM was being registered when the
translation-table was initialized, but not unregistered when the
translation-table was freed.  Unregister it.

Fixes: 122edaa059 ("batman-adv: tvlv - convert roaming adv packet to use tvlv unicast packets")
Reported-by: syzbot+d454a826e670502484b8@syzkaller.appspotmail.com
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Jeremy Sowden 2019-05-21 20:58:57 +01:00 committed by Simon Wunderlich
parent a188339ca5
commit 17f78dd1bd
1 changed files with 2 additions and 0 deletions
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2
net/batman-adv/translation-table.c
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@ -3813,6 +3813,8 @@ static void batadv_tt_purge(struct work_struct *work)
*/
void batadv_tt_free(struct batadv_priv *bat_priv)
{
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_ROAM, 1);
batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_TT, 1);
batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_TT, 1);