DCBX_TLV_DATA_SIZE
if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
DCBX_TLV_DATA_SIZE);
dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,