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ath9k: Ensure xmit makes progress.

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If the txq->axq_q is empty, the code was breaking out
of the tx_processq logic without checking to see if it should
transmit other queued AMPDU frames (txq->axq_acq).

This patches ensures ath_txq_schedule is called.

This needs review.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear 2011-01-09 23:11:47 -08:00 committed by John W. Linville
parent 9244f48d00
commit 082f653689
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/xmit.c
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@ -2005,6 +2005,8 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
spin_lock_bh(&txq->axq_lock); spin_lock_bh(&txq->axq_lock);
if (list_empty(&txq->axq_q)) { if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL; txq->axq_link = NULL;
if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock); spin_unlock_bh(&txq->axq_lock);
break; break;
} }