Peter Maydell <peter.mayd...@linaro.org> writes:

> On 5 July 2011 07:15, Markus Armbruster <arm...@redhat.com> wrote:
>>> +    int fd, __attribute__((unused)) ret;
>>>
>>>      snprintf(reset_file, sizeof(reset_file),
>>>               "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/reset",
>>
>> What about (void)write() and do away with ret?
>
> If 'ret' has been used to silence compiler warnings about functions
> which have been declared with attribute __warn_unused_result__
> (eg write() and various other libc functions) then "(void)write()"
> is insufficient -- gcc requires the variable.

gcc being silly.  Oh well.

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