1 files changed, 16 insertions, 12 deletions

diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 4d4b22d52df..4ed010d4ef9 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -136,9 +136,10 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 	bf = avp->av_bcbuf;
 	skb = bf->bf_mpdu;
 	if (skb) {
-		dma_unmap_single(sc->dev, bf->bf_dmacontext,
+		dma_unmap_single(sc->dev, bf->bf_buf_addr,
 				 skb->len, DMA_TO_DEVICE);
 		dev_kfree_skb_any(skb);
+		bf->bf_buf_addr = 0;
 	}
 
 	/* Get a new beacon from mac80211 */
@@ -162,12 +163,12 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
 		hdr->seq_ctrl |= cpu_to_le16(sc->tx.seq_no);
 	}
 
-	bf->bf_buf_addr = bf->bf_dmacontext =
-		dma_map_single(sc->dev, skb->data,
-			       skb->len, DMA_TO_DEVICE);
+	bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
+					 skb->len, DMA_TO_DEVICE);
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
+		bf->bf_buf_addr = 0;
 		ath_print(common, ATH_DBG_FATAL,
 			  "dma_mapping_error on beaconing\n");
 		return NULL;
@@ -252,10 +253,11 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 	bf = avp->av_bcbuf;
 	if (bf->bf_mpdu != NULL) {
 		skb = bf->bf_mpdu;
-		dma_unmap_single(sc->dev, bf->bf_dmacontext,
+		dma_unmap_single(sc->dev, bf->bf_buf_addr,
 				 skb->len, DMA_TO_DEVICE);
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
+		bf->bf_buf_addr = 0;
 	}
 
 	/* NB: the beacon data buffer must be 32-bit aligned. */
@@ -296,12 +298,12 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 		avp->tsf_adjust = cpu_to_le64(0);
 
 	bf->bf_mpdu = skb;
-	bf->bf_buf_addr = bf->bf_dmacontext =
-		dma_map_single(sc->dev, skb->data,
-			       skb->len, DMA_TO_DEVICE);
+	bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
+					 skb->len, DMA_TO_DEVICE);
 	if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
 		dev_kfree_skb_any(skb);
 		bf->bf_mpdu = NULL;
+		bf->bf_buf_addr = 0;
 		ath_print(common, ATH_DBG_FATAL,
 			  "dma_mapping_error on beacon alloc\n");
 		return -ENOMEM;
@@ -324,10 +326,11 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp)
 		bf = avp->av_bcbuf;
 		if (bf->bf_mpdu != NULL) {
 			struct sk_buff *skb = bf->bf_mpdu;
-			dma_unmap_single(sc->dev, bf->bf_dmacontext,
+			dma_unmap_single(sc->dev, bf->bf_buf_addr,
 					 skb->len, DMA_TO_DEVICE);
 			dev_kfree_skb_any(skb);
 			bf->bf_mpdu = NULL;
+			bf->bf_buf_addr = 0;
 		}
 		list_add_tail(&bf->list, &sc->beacon.bbuf);
 
@@ -359,11 +362,12 @@ void ath_beacon_tasklet(unsigned long data)
 		sc->beacon.bmisscnt++;
 
 		if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
-			ath_print(common, ATH_DBG_BEACON,
+			ath_print(common, ATH_DBG_BSTUCK,
 				  "missed %u consecutive beacons\n",
 				  sc->beacon.bmisscnt);
+			ath9k_hw_bstuck_nfcal(ah);
 		} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
-			ath_print(common, ATH_DBG_BEACON,
+			ath_print(common, ATH_DBG_BSTUCK,
 				  "beacon is officially stuck\n");
 			sc->sc_flags |= SC_OP_TSF_RESET;
 			ath_reset(sc, false);
@@ -373,7 +377,7 @@ void ath_beacon_tasklet(unsigned long data)
 	}
 
 	if (sc->beacon.bmisscnt != 0) {
-		ath_print(common, ATH_DBG_BEACON,
+		ath_print(common, ATH_DBG_BSTUCK,
 			  "resume beacon xmit after %u misses\n",
 			  sc->beacon.bmisscnt);
 		sc->beacon.bmisscnt = 0;