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>

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 4bb4f8e..7cd5484 100644 (file)
--- 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;