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Subject[035/289] ath9k_htc: Avoid setting QoS control for non-QoS frames
2.6.36-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Rajkumar Manoharan <rmanoharan@atheros.com>

commit 3bf30b56c4f0a1c4fae34050b7db4527c92891e8 upstream.

Setting tid information in the TX header is required only for QoS
frames. Not handling this case causes severe data loss with some APs.

Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -121,7 +121,7 @@ int ath9k_htc_tx_start(struct ath9k_htc_
tx_hdr.data_type = ATH9K_HTC_NORMAL;
}

- if (ieee80211_is_data(fc)) {
+ if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tx_hdr.tidno = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
}



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