R8169_RX_RING_BYTES
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,