On Thu, Dec 10, 2009 at 01:19:10PM +0100, Gerd Hoffmann wrote:
>   Hi,
>
>>> +    if (pci_dev == NULL) {
>>> +        hw_error("PCI: can't register device\n");
>>> +    }
>>
>> Can you please use !pci_dev for these checks?
>
> Why?  IMHO the code is more readable that way.  It is easy to miss a  
> single '!' character when reading the code, so I tend to write such  
> tests in a more verbose fashion.
>
> cheers,
>   Gerd

Reader has limited short term memory. Don't fill it up with
irrelevant detail. In places where it might be confusing,
a comment might be appropriate, this is not one of them.

C is a terse language. !x is a standard idiom. Let's use it.

-- 
MST


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