Justin P. Mattock <justinmattock@gmail.com> wrote:

quoted text
> +		if (fn) {
> +			dev_warn(&acpi_dev->dev,
> +				"Failed to create firmware_node link to %s %s: %d\n",
> +				dev_driver_string(dev), dev_name(dev), fn);
> +		} else if (pn) {
> +			dev_warn(&acpi_dev->dev,
> +				"Failed to create physical_node link to %s %s: %d\n",
> +				dev_driver_string(dev), dev_name(dev), pn);
> +				return AE_ERROR;
> +		}			

There's one more question to ask yourself: do you really need two dev_warn()
statements?  You could have just one that prints both error values:

		if (fn || pn)
			dev_warn(&acpi_dev->dev,
				 "Failed to create link(s) to %s %s:"
				 " fn=%d pn=%d\n",
				 dev_driver_string(dev), dev_name(dev),
				 fn, pn);

Not sure it's worth going that far.  You could reduce it still further:

		if (fn || pn)
			dev_warn(&acpi_dev->dev,
				 "Failed to create link(s) to %s %s:"
				 " %d\n",
				 dev_driver_string(dev), dev_name(dev),
				 fn ?: pn);

Is it that important to know which failed to be created, or that both failed
to be created?

David
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