Re: [PATCH v3 1/5] net: rnpgbe: Add build support for rnpgbe

[Vadim Fedorenko <vadim.fedorenko@linux.dev>]

On 12/08/2025 10:39, Dong Yibo wrote:
> Add build options and doc for mucse.
> Initialize pci device access for MUCSE devices.
> 
> Signed-off-by: Dong Yibo <dong100@mucse.com>
> ---

[...]

> +/**
> + * rnpgbe_probe - Device initialization routine
> + * @pdev: PCI device information struct
> + * @id: entry in rnpgbe_pci_tbl
> + *
> + * rnpgbe_probe initializes a PF adapter identified by a pci_dev
> + * structure.
> + *
> + * @return: 0 on success, negative on failure
> + **/
> +static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> +{
> +	int err;
> +
> +	err = pci_enable_device_mem(pdev);
> +	if (err)
> +		return err;
> +
> +	err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56));
> +	if (err) {
> +		dev_err(&pdev->dev,
> +			"No usable DMA configuration, aborting %d\n", err);
> +		goto err_dma;
> +	}
> +
> +	err = pci_request_mem_regions(pdev, rnpgbe_driver_name);
> +	if (err) {
> +		dev_err(&pdev->dev,
> +			"pci_request_selected_regions failed 0x%x\n", err);
> +		goto err_pci_req;
> +	}
> +
> +	pci_set_master(pdev);
> +	pci_save_state(pdev);
> +
> +	return 0;
> +err_dma:
> +err_pci_req:
> +	pci_disable_device(pdev);
> +	return err;
> +}

Why do you need 2 different labels pointing to the very same line? The
code is not changed through patchset, I see no reasons to have it like
this