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authorMarek Lindner <mareklindner@neomailbox.ch>2015-06-17 15:01:36 +0300
committerAntonio Quartulli <antonio@meshcoding.com>2015-08-05 01:31:47 +0300
commitef72706a0543d0c3a5ab29bd6378fdfb368118d9 (patch)
tree5a485c9fbb22698333415e7804510ff108d21e20 /net/bluetooth
parent354136bcc3c4f40a2813bba8f57ca5267d812d15 (diff)
downloadlinux-ef72706a0543d0c3a5ab29bd6378fdfb368118d9.tar.xz
batman-adv: protect tt_local_entry from concurrent delete events
The tt_local_entry deletion performed in batadv_tt_local_remove() was neither protecting against simultaneous deletes nor checking whether the element was still part of the list before calling hlist_del_rcu(). Replacing the hlist_del_rcu() call with batadv_hash_remove() provides adequate protection via hash spinlocks as well as an is-element-still-in-hash check to avoid 'blind' hash removal. Fixes: 068ee6e204e1 ("batman-adv: roaming handling mechanism redesign") Reported-by: alfonsname@web.de Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net/bluetooth')
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