3 files changed, 22 insertions, 25 deletions

diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index d1d5b238cdee..68dbd7a8ddca 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -233,11 +233,6 @@ struct ath_desc {
         u32 ds_ctl0;
         u32 ds_ctl1;
         u32 ds_hw[20];
-        union {
-                struct ath_tx_status tx;
-                struct ath_rx_status rx;
-                void *stats;
-        } ds_us;
         void *ds_vdata;
 } __packed;
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 9617887907b7..94560e2fe376 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -477,7 +477,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
         struct ath_buf *bf;
         struct ath_desc *ds;
-        struct ath_rx_status *rx_stats;
         struct sk_buff *skb = NULL, *requeue_skb;
         struct ieee80211_rx_status *rxs;
         struct ath_hw *ah = sc->sc_ah;
@@ -491,6 +490,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
         struct ieee80211_hdr *hdr;
         int retval;
         bool decrypt_error = false;
+        struct ath_rx_status rs;
 
         spin_lock_bh(&sc->rx.rxbuflock);
 
@@ -506,7 +506,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
                 bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
                 ds = bf->bf_desc;
-                rx_stats = &ds->ds_us.rx;
 
                 /*
                  * Must provide the virtual address of the current
@@ -519,11 +518,14 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
                  * on.  All this is necessary because of our use of
                  * a self-linked list to avoid rx overruns.
                  */
-                retval = ath9k_hw_rxprocdesc(ah, ds, rx_stats, 0);
+                memset(&rs, 0, sizeof(rs));
+                retval = ath9k_hw_rxprocdesc(ah, ds, &rs, 0);
                 if (retval == -EINPROGRESS) {
+                        struct ath_rx_status trs;
                         struct ath_buf *tbf;
                         struct ath_desc *tds;
 
+                        memset(&trs, 0, sizeof(trs));
                         if (list_is_last(&bf->list, &sc->rx.rxbuf)) {
                                 sc->rx.rxlink = NULL;
                                 break;
@@ -543,7 +545,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
                          */
 
                         tds = tbf->bf_desc;
-                        retval = ath9k_hw_rxprocdesc(ah, tds, &tds->ds_us.rx, 0);
+                        retval = ath9k_hw_rxprocdesc(ah, tds, &trs, 0);
                         if (retval == -EINPROGRESS) {
                                 break;
                         }
@@ -567,7 +569,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 
                 hw = ath_get_virt_hw(sc, hdr);
 
-                ath_debug_stat_rx(sc, rx_stats);
+                ath_debug_stat_rx(sc, &rs);
 
                 /*
                  * If we're asked to flush receive queue, directly
@@ -576,7 +578,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
                 if (flush)
                         goto requeue;
 
-                retval = ath9k_cmn_rx_skb_preprocess(common, hw, skb, rx_stats,
+                retval = ath9k_cmn_rx_skb_preprocess(common, hw, skb, &rs,
                                                      rxs, &decrypt_error);
                 if (retval)
                         goto requeue;
@@ -597,9 +599,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
                                  common->rx_bufsize,
                                  DMA_FROM_DEVICE);
 
-                skb_put(skb, rx_stats->rs_datalen);
+                skb_put(skb, rs.rs_datalen);
 
-                ath9k_cmn_rx_skb_postprocess(common, skb, rx_stats,
+                ath9k_cmn_rx_skb_postprocess(common, skb, &rs,
                                              rxs, decrypt_error);
 
                 /* We will now give hardware our shiny new allocated skb */
@@ -622,9 +624,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
                  * change the default rx antenna if rx diversity chooses the
                  * other antenna 3 times in a row.
                  */
-                if (sc->rx.defant != rx_stats->rs_antenna) {
+                if (sc->rx.defant != rs.rs_antenna) {
                         if (++sc->rx.rxotherant >= 3)
-                                ath_setdefantenna(sc, rx_stats->rs_antenna);
+                                ath_setdefantenna(sc, rs.rs_antenna);
                 } else {
                         sc->rx.rxotherant = 0;
                 }
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 9d5d102b23bd..1d04ca86df56 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -2000,7 +2000,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
         struct ath_buf *bf, *lastbf, *bf_held = NULL;
         struct list_head bf_head;
         struct ath_desc *ds;
-        struct ath_tx_status *ts;
+        struct ath_tx_status ts;
         int txok;
         int status;
 
@@ -2039,9 +2039,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 
                 lastbf = bf->bf_lastbf;
                 ds = lastbf->bf_desc;
-                ts = &ds->ds_us.tx;
 
-                status = ath9k_hw_txprocdesc(ah, ds, ts);
+                memset(&ts, 0, sizeof(ts));
+                status = ath9k_hw_txprocdesc(ah, ds, &ts);
                 if (status == -EINPROGRESS) {
                         spin_unlock_bh(&txq->axq_lock);
                         break;
@@ -2052,7 +2052,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                  * can disable RX.
                  */
                 if (bf->bf_isnullfunc &&
-                    (ts->ts_status & ATH9K_TX_ACKED)) {
+                    (ts.ts_status & ATH9K_TX_ACKED)) {
                         if ((sc->ps_flags & PS_ENABLED))
                                 ath9k_enable_ps(sc);
                         else
@@ -2071,7 +2071,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                                 &txq->axq_q, lastbf->list.prev);
 
                 txq->axq_depth--;
-                txok = !(ts->ts_status & ATH9K_TXERR_MASK);
+                txok = !(ts.ts_status & ATH9K_TXERR_MASK);
                 txq->axq_tx_inprogress = false;
                 spin_unlock_bh(&txq->axq_lock);
 
@@ -2086,16 +2086,16 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                          * This frame is sent out as a single frame.
                          * Use hardware retry status for this frame.
                          */
-                        bf->bf_retries = ts->ts_longretry;
-                        if (ts->ts_status & ATH9K_TXERR_XRETRY)
+                        bf->bf_retries = ts.ts_longretry;
+                        if (ts.ts_status & ATH9K_TXERR_XRETRY)
                                 bf->bf_state.bf_type |= BUF_XRETRY;
-                        ath_tx_rc_status(bf, ts, 0, txok, true);
+                        ath_tx_rc_status(bf, &ts, 0, txok, true);
                 }
 
                 if (bf_isampdu(bf))
-                        ath_tx_complete_aggr(sc, txq, bf, &bf_head, ts, txok);
+                        ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok);
                 else
-                        ath_tx_complete_buf(sc, bf, txq, &bf_head, ts, txok, 0);
+                        ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
 
                 ath_wake_mac80211_queue(sc, txq);