tree e23f7284cf9b76d6b6cb8ea91b51ccd6b08bbfce
parent 571a963768e7711e0bb5a30f71247b46ec9ca7b9
author Linus Lüssing <linus.luessing@c0d3.blue> 1434467422 +0200
committer Antonio Quartulli <antonio@meshcoding.com> 1439585442 +0200

batman-adv: Make DAT capability changes atomic

Bitwise OR/AND assignments in C aren't guaranteed to be atomic. One
OGM handler might undo the set/clear of a specific bit from another
handler run in between.

Fix this by using the atomic set_bit()/clear_bit()/test_bit() functions.

Fixes: 17cf0ea455f1 ("batman-adv: tvlv - add distributed arp table container")
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>