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-rw-r--r--net/mac80211/sta_info.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index d77ff7090630..d3a6d8208f2f 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -267,6 +267,7 @@ struct ieee80211_tx_latency_stat {
* @drv_unblock_wk: used for driver PS unblocking
* @listen_interval: listen interval of this station, when we're acting as AP
* @_flags: STA flags, see &enum ieee80211_sta_info_flags, do not use directly
+ * @ps_lock: used for powersave (when mac80211 is the AP) related locking
* @ps_tx_buf: buffers (per AC) of frames to transmit to this station
* when it leaves power saving state or polls
* @tx_filtered: buffers (per AC) of frames we already tried to
@@ -356,10 +357,8 @@ struct sta_info {
/* use the accessors defined below */
unsigned long _flags;
- /*
- * STA powersave frame queues, no more than the internal
- * locking required.
- */
+ /* STA powersave lock and frame queues */
+ spinlock_t ps_lock;
struct sk_buff_head ps_tx_buf[IEEE80211_NUM_ACS];
struct sk_buff_head tx_filtered[IEEE80211_NUM_ACS];
unsigned long driver_buffered_tids;
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