Commit 082f6536 authored Jan 09, 2011 by Ben Greear Committed by John W. Linville Jan 21, 2011

ath9k: Ensure xmit makes progress.



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>

parent 9244f48d

drivers/net/wireless/ath/ath9k/xmit.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -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;
	}		}