Add missing code to handle nullfunc frame completion in
ath_tx_edma_tasklet().
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/xmit.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3db1917..debb62d 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2277,6 +2277,17 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
txok = !(txs.ts_status & ATH9K_TXERR_MASK);
+ /*
+ * Make sure null func frame is acked before configuring
+ * hw into ps mode.
+ */
+ if (bf->bf_isnullfunc && txok) {
+ if ((sc->ps_flags & PS_ENABLED))
+ ath9k_enable_ps(sc);
+ else
+ sc->ps_flags |= PS_NULLFUNC_COMPLETED;
+ }
+
if (!bf_isampdu(bf)) {
bf->bf_retries = txs.ts_longretry;
if (txs.ts_status & ATH9K_TXERR_XRETRY)
--
1.7.0.4
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