R8169_TX_RING_BYTES
dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,