staging: vt6655: device_free_tx_buf use only ieee80211_tx_status_irqsafe

TD_FLAGS_NETIF_SKB is only for data.

Fixes issue of ack frames not being reported.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org> # v3.19+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 4bb4f8ee4132..7cd548428a8f 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -989,10 +989,8 @@ static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc)
                                  skb->len, DMA_TO_DEVICE);
         }
 
-        if (pTDInfo->byFlags & TD_FLAGS_NETIF_SKB)
+        if (skb)
                 ieee80211_tx_status_irqsafe(pDevice->hw, skb);
-        else
-                dev_kfree_skb_irq(skb);
 
         pTDInfo->skb_dma = 0;
         pTDInfo->skb = NULL;