From: Pavel Roskin <proski@gnu.org>
Date: Sun, 31 Jan 2010 02:37:24 +0000 (-0500)
Subject: ath9k: fix access to freed data on unload
X-Git-Tag: v2.6.34-rc1~233^2~421^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab5132a26236e308c6d3d832a3e04fca351656d8;p=pandora-kernel.git

ath9k: fix access to freed data on unload

Calling ath_bus_cleanup() after ieee80211_free_hw() resulted in access
to common->bus_ops, which is already freed as part of the device data.

Remove the cleanup field in struct ath_bus_ops, as it was never used
properly.  Remove ath_bus_cleanup().  Merge cleanup functions in place
of the ath_bus_cleanup() calls.  Take care not to use any device data
after ieee80211_free_hw().

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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