ath9k: Use rate_driver_data

Remove the hack using vif, and use rate_driver_data within
skb->cb to hold driver specific rate information.
Setup the rate series in the skb's tx control area and remove
all references to ath9k specific rate series ( using struct ath_rc_series ).

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index ca7809836c33..11d7bee2fda0 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -350,13 +350,12 @@ void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
         DPRINTF(sc, ATH_DBG_XMIT,
                 "%s: TX complete: skb: %p\n", __func__, skb);
 
-        ieee80211_tx_info_clear_status(tx_info);
         if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
                 tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-                /* free driver's private data area of tx_info, XXX: HACK! */
-                if (tx_info->control.vif != NULL)
-                        kfree(tx_info->control.vif);
-                        tx_info->control.vif = NULL;
+                if (tx_info->rate_driver_data[0] != NULL) {
+                        kfree(tx_info->rate_driver_data[0]);
+                        tx_info->rate_driver_data[0] = NULL;
+                }
         }
 
         if (tx_status->flags & ATH_TX_BAR) {