mwl8k: disable softirqs when accessing sta_notify_list
Use spin_[un]lock_bh in mwl8k_sta_notify(). The sta_notify handler is required to be atomic, yet it can be called in process context, so make sure one call won't preempt another. Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -3784,9 +3784,9 @@ mwl8k_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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s->cmd = cmd;
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s->sta = *sta;
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spin_lock(&priv->sta_notify_list_lock);
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spin_lock_bh(&priv->sta_notify_list_lock);
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list_add_tail(&s->list, &priv->sta_notify_list);
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spin_unlock(&priv->sta_notify_list_lock);
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spin_unlock_bh(&priv->sta_notify_list_lock);
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ieee80211_queue_work(hw, &priv->sta_notify_worker);
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}
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