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[PATCH v2] mac80211: Clear PS related flag on disabling power save.

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Clear IEEE80211_STA_NULLFUNC_ACKED flag on disabling power
save. Without this fix, there is a chance of setting CONF_PS
before sending nullfunc frame.

Signed-off-by: Vivek Natarajan <vnatarajan@xxxxxxxxxxx>
---
 net/mac80211/tx.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 17ef4f4..34edf7f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -236,6 +236,7 @@ ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx)
 	if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 		ieee80211_stop_queues_by_reason(&local->hw,
 						IEEE80211_QUEUE_STOP_REASON_PS);
+		ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
 		ieee80211_queue_work(&local->hw,
 				     &local->dynamic_ps_disable_work);
 	}
-- 
1.6.3.3

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