From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 25 Feb 2008 15:27:42 +0000 (+0100)
Subject: mac80211: safely free beacon in ieee80211_if_reinit
X-Git-Tag: v2.6.26-rc1~1138^2~530^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6a5ddf20886206caf1c4a2431f6ff01198ab0f7;p=pandora-kernel.git

mac80211: safely free beacon in ieee80211_if_reinit

If ieee80211_if_reinit() is called from ieee80211_unregister_hw()
then it is possible that the driver will still request a beacon
(it is allowed to until ieee80211_unregister_hw() has returned.)
This means we need to use an RCU-protected write to the beacon
information even in this function.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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