From: Simon Wunderlich <sw@simonwunderlich.de>
Date: Thu, 21 Nov 2013 17:19:50 +0000 (+0100)
Subject: mac80211: modify beacon using sdata/wdev-lock, not rtnl lock
X-Git-Tag: v3.14-rc1~94^2~334^2^2~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ca133bc7f9dd5cee2b469eb917bd352be80a690;p=pandora-kernel.git

mac80211: modify beacon using sdata/wdev-lock, not rtnl lock

The csa finalize worker needs to change the beacon information (for
different modes). These are normally protected under rtnl lock, but the
csa finalize worker is called by drivers and should not acquire the RTNL
lock. Therefore change access protection for beacons to sdata/wdev lock.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
[fix sdata_dereference]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

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