From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Sun, 16 Nov 2014 00:41:10 +0000 (+0530)
Subject: ath9k: Move roc completion to the offchannel timer
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~122^2~134^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47b6308b643302e642ca2a5cb6470926f7e1c428;p=pandora-kernel.git

ath9k: Move roc completion to the offchannel timer

Currently, when a roc period expires, the offchannel
timer calls ieee80211_remain_on_channel_expired(), but
the roc state is cleared only when the queued work
to switch to the operating channel gets a chance to run.

This race is a problem because mac80211 can issue a
new roc request in this window. To avoid this, handle
roc completion in the offchannel timer itself.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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