batman-adv: Make NC capability changes atomic
authorLinus Lüssing <linus.luessing@c0d3.blue>
Tue, 16 Jun 2015 15:10:23 +0000 (17:10 +0200)
committerAntonio Quartulli <antonio@meshcoding.com>
Fri, 14 Aug 2015 20:50:43 +0000 (22:50 +0200)
commit4635469f5c617282f18c69643af36cd8c0acf707
tree2604ea78d94aaa647869619d1447b1cb77b0e600
parent65d7d46050704bcdb8121ddbf4110bfbf2b38baa
batman-adv: Make NC 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: 3f4841ffb336 ("batman-adv: tvlv - add network coding 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>
net/batman-adv/network-coding.c
net/batman-adv/types.h