ath9k_htc: Avoid setting QoS control for non-QoS frames

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>

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 2a6e45a293a90f38b7add877b0ca231c603ebe1b..f06eeab2a572f699eec29bfe04f155ceefd336be 100644 (file)
--- 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_priv *priv, struct sk_buff *skb)
                        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;
                }