1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index 9e15c30bbc0..4dd1c1bda0f 100644
--- a/drivers/net/wireless/ath9k/beacon.c
+++ b/drivers/net/wireless/ath9k/beacon.c
@@ -170,7 +170,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
         skb = (struct sk_buff *)bf->bf_mpdu;
         if (skb) {
                 pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-                                 skb_end_pointer(skb) - skb->head,
+                                 skb->len,
                                  PCI_DMA_TODEVICE);
         }
 
@@ -193,7 +193,7 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
 
         bf->bf_buf_addr = bf->bf_dmacontext =
                 pci_map_single(sc->pdev, skb->data,
-                               skb_end_pointer(skb) - skb->head,
+                               skb->len,
                                PCI_DMA_TODEVICE);
 
         skb = ieee80211_get_buffered_bc(sc->hw, avp->av_if_data);
@@ -352,7 +352,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
         if (bf->bf_mpdu != NULL) {
                 skb = (struct sk_buff *)bf->bf_mpdu;
                 pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-                                 skb_end_pointer(skb) - skb->head,
+                                 skb->len,
                                  PCI_DMA_TODEVICE);
                 dev_kfree_skb_any(skb);
                 bf->bf_mpdu = NULL;
@@ -412,7 +412,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 
         bf->bf_buf_addr = bf->bf_dmacontext =
                 pci_map_single(sc->pdev, skb->data,
-                               skb_end_pointer(skb) - skb->head,
+                               skb->len,
                                PCI_DMA_TODEVICE);
         bf->bf_mpdu = skb;
 
@@ -439,7 +439,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp)
                 if (bf->bf_mpdu != NULL) {
                         struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
                         pci_unmap_single(sc->pdev, bf->bf_dmacontext,
-                                         skb_end_pointer(skb) - skb->head,
+                                         skb->len,
                                          PCI_DMA_TODEVICE);
                         dev_kfree_skb_any(skb);
                         bf->bf_mpdu = NULL;