package/mac80211/patches/565-ath9k_fix_lockup.patch

   1 --- a/drivers/net/wireless/ath/ath9k/xmit.c
   2 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
   3 @@ -189,8 +189,11 @@ static void ath_tx_flush_tid(struct ath_
   4                 tid->state &= ~AGGR_CLEANUP;
   5         }
   6
   7 -       if (sendbar)
   8 +       if (sendbar) {
   9 +               spin_unlock_bh(&txq->axq_lock);
  10                 ath_send_bar(tid, tid->seq_start);
  11 +               spin_lock_bh(&txq->axq_lock);
  12 +       }
  13  }
  14
  15  static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
  16 @@ -566,7 +569,9 @@ static void ath_tx_complete_aggr(struct
  17
  18         if (bar_index >= 0) {
  19                 u16 bar_seq = ATH_BA_INDEX2SEQ(seq_first, bar_index);
  20 +               spin_unlock_bh(&txq->axq_lock);
  21                 ath_send_bar(tid, ATH_BA_INDEX2SEQ(seq_first, bar_index + 1));
  22 +               spin_lock_bh(&txq->axq_lock);
  23                 if (BAW_WITHIN(tid->seq_start, tid->baw_size, bar_seq))
  24                         tid->bar_index = ATH_BA_INDEX(tid->seq_start, bar_seq);
  25         }