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ath9k: optimize ath_drain_all_txq
[pandora-kernel.git]
/
drivers
/
net
/
wireless
/
ath
/
ath9k
/
xmit.c
diff --git
a/drivers/net/wireless/ath/ath9k/xmit.c
b/drivers/net/wireless/ath/ath9k/xmit.c
index
95f6c5a
..
24846d9
100644
(file)
--- a/
drivers/net/wireless/ath/ath9k/xmit.c
+++ b/
drivers/net/wireless/ath/ath9k/xmit.c
@@
-1786,6
+1786,9
@@
bool ath_drain_all_txq(struct ath_softc *sc)
if (!ATH_TXQ_SETUP(sc, i))
continue;
+ if (!sc->tx.txq[i].axq_depth)
+ continue;
+
if (ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum))
npend |= BIT(i);
}