73964d96a7
- Fixes CVE-2013-1860 kernel: usb: cdc-wdm buffer overflow triggered by device
74 lines
2.1 KiB
Diff
74 lines
2.1 KiB
Diff
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
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index baaa860..7a3d675 100644
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--- a/net/mac80211/iface.c
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+++ b/net/mac80211/iface.c
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@@ -748,8 +748,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
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sdata->dev->addr_len);
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spin_unlock_bh(&local->filter_lock);
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netif_addr_unlock_bh(sdata->dev);
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-
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- ieee80211_configure_filter(local);
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+ /* configure filter latter (if not suspended) */
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}
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del_timer_sync(&local->dynamic_ps_timer);
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@@ -814,10 +813,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
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}
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ieee80211_adjust_monitor_flags(sdata, -1);
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- ieee80211_configure_filter(local);
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- mutex_lock(&local->mtx);
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- ieee80211_recalc_idle(local);
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- mutex_unlock(&local->mtx);
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+ /* tell driver latter (if not suspended) */
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break;
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case NL80211_IFTYPE_P2P_DEVICE:
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/* relies on synchronize_rcu() below */
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@@ -848,28 +844,31 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
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drv_remove_interface_debugfs(local, sdata);
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- if (going_down)
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+ if (going_down && !local->suspended)
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drv_remove_interface(local, sdata);
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}
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sdata->bss = NULL;
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- ieee80211_recalc_ps(local, -1);
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-
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- if (local->open_count == 0) {
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- if (local->ops->napi_poll)
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- napi_disable(&local->napi);
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- ieee80211_clear_tx_pending(local);
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- ieee80211_stop_device(local);
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-
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- /* no reconfiguring after stop! */
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- hw_reconf_flags = 0;
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+ if (!local->suspended) {
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+ if (local->open_count == 0) {
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+ if (local->ops->napi_poll)
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+ napi_disable(&local->napi);
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+ ieee80211_clear_tx_pending(local);
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+ ieee80211_stop_device(local);
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+ } else {
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+ ieee80211_configure_filter(local);
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+ ieee80211_recalc_ps(local, -1);
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+
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+ mutex_lock(&local->mtx);
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+ ieee80211_recalc_idle(local);
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+ mutex_unlock(&local->mtx);
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+
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+ if (hw_reconf_flags)
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+ ieee80211_hw_config(local, hw_reconf_flags);
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+ }
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}
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- /* do after stop to avoid reconfiguring when we stop anyway */
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- if (hw_reconf_flags)
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- ieee80211_hw_config(local, hw_reconf_flags);
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-
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spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
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for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
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skb_queue_walk_safe(&local->pending[i], skb, tmp) {
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