mac80211: protect ->scanning by mutex in ieee80211_work_work()
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -122,9 +122,6 @@ static void ieee80211_work_work(struct work_struct *work)
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enum work_action rma;
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bool remain_off_channel = false;
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if (local->scanning)
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return;
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/*
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* ieee80211_queue_work() should have picked up most cases,
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* here we'll pick the rest.
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@ -134,6 +131,11 @@ static void ieee80211_work_work(struct work_struct *work)
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mutex_lock(&local->mtx);
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if (local->scanning) {
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mutex_unlock(&local->mtx);
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return;
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}
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ieee80211_recalc_idle(local);
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list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
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