Description: mac80211: fix AP powersave TX vs. wakeup race
References:
 https://bugzilla.kernel.org/show_bug.cgi?id=70551#c18
Notes:
Bugs:
upstream: released (3.14-rc6) [1d147bfa64293b2723c4fec50922168658e613ba]
2.6.32-upstream-stable: N/A "Introduced in 2.6.33-rc1 with af81858172cc0f3da81946aab919c26e4b364efc"
sid: released (3.13.7-1)
3.2-wheezy-security: released (3.2.57-1)
2.6.32-squeeze-security: N/A "Introduced in 2.6.33-rc1 with af81858172cc0f3da81946aab919c26e4b364efc"
3.2-upstream-stable: released (3.2.56)