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mac80211: Only flush workqueue when last interface was removed 

Currently the ieee80211_hw->workqueue is flushed each time
an interface is being removed. However most scheduled work
is not interface specific but device specific, for example things like
periodic work for link tuners.

This patch will move the flush_workqueue() call to directly behind
the call to ops->stop() to make sure the workqueue is only flushed
when all interfaces are gone and there really shouldn't be any scheduled
work in the drivers left.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2008-07-03 19:02:44 +02:00 committed by John W. Linville
parent 8db9369ff9
commit ea0c925370
1 changed files with 2 additions and 2 deletions
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4
net/mac80211/main.c
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@ -530,8 +530,6 @@ static int ieee80211_stop(struct net_device *dev)
local->sta_hw_scanning = 0;
}
flush_workqueue(local->hw.workqueue);
sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
kfree(sdata->u.sta.extra_ie);
sdata->u.sta.extra_ie = NULL;
@ -555,6 +553,8 @@ static int ieee80211_stop(struct net_device *dev)
ieee80211_led_radio(local, 0);
flush_workqueue(local->hw.workqueue);
tasklet_disable(&local->tx_pending_tasklet);
tasklet_disable(&local->tasklet);
}