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b43: Fix PPC crash in rfkill polling on unload

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In Bugzilla No. 14181, a PowerMac G4 crashes on ifdown or
module unload because the rfkill polling has not been stopped.
For the x86 architectures, the attempt to reach a now unmapped
register is not fatal as it is on PPC.

(Includes "b43: Fix locking problem when stopping rfkill polling". -- JWL)

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2009-10-02 12:54:34 -05:00 committed by John W. Linville
parent 0819663d16
commit f5b4da21ba
1 changed files with 1 additions and 0 deletions
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drivers/net/wireless/b43/main.c
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@ -4501,6 +4501,7 @@ static void b43_op_stop(struct ieee80211_hw *hw)
cancel_work_sync(&(wl->beacon_update_trigger));
wiphy_rfkill_stop_polling(hw->wiphy);
mutex_lock(&wl->mutex);
if (b43_status(dev) >= B43_STAT_STARTED) {
dev = b43_wireless_core_stop(dev);