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mac80211: fix tim recalculation after PS response 

Handle the case where the mac80211 intermediate queues are empty and the
driver has buffered frames

Fixes: ba8c3d6f16 ("mac80211: add an intermediate software queue implementation")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
hifive-unleashed-5.1
Felix Fietkau 2016-08-28 13:10:37 +02:00 committed by Johannes Berg
parent 15543692a0
commit 83843c80dc
1 changed files with 2 additions and 2 deletions
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4
net/mac80211/sta_info.c
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@ -1616,7 +1616,6 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
sta_info_recalc_tim(sta);
} else {
unsigned long tids = sta->txq_buffered_tids & driver_release_tids;
int tid;
/*
@ -1648,7 +1647,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta,
for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]);
if (!(tids & BIT(tid)) || txqi->tin.backlog_packets)
if (!(driver_release_tids & BIT(tid)) ||
txqi->tin.backlog_packets)
continue;
sta_info_recalc_tim(sta);