From: Larry Finger Date: Fri, 2 Oct 2009 17:54:34 +0000 (-0500) Subject: b43: Fix PPC crash in rfkill polling on unload X-Git-Tag: firefly_0821_release~11864^2~167^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f5b4da21ba293220001b5fd36be75c859b18afc1;p=firefly-linux-kernel-4.4.55.git b43: Fix PPC crash in rfkill polling on unload 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 86f35827f008..df6b26a0c05e 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -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);