Re: [PATCH] iqrdomain: Improve formatting in debugfs.

[Grant Likely]

On Thu, Apr 12, 2012 at 2:38 PM, David Daney <ddaney.cavm@xxxxxxxxx> wrote:
> On 04/12/2012 12:20 PM, Andreas Schwab wrote:
>>
>> Grant Likely<grant.likely@xxxxxxxxxxxx>  writes:
>>
>>> diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
>>> index 9310a8d..eb05e40 100644
>>> --- a/kernel/irq/irqdomain.c
>>> +++ b/kernel/irq/irqdomain.c
>>> @@ -643,8 +643,8 @@ static int virq_debug_show(struct seq_file *m, void
>>> *private)
>>>        void *data;
>>>        int i;
>>>
>>> -       seq_printf(m, "%-5s  %-7s  %-15s  %-18s  %s\n", "virq", "hwirq",
>>> -                     "chip name", "chip data", "domain name");
>>> +       seq_printf(m, "%-5s  %-7s  %-15s  %-*s  %s\n", "irq", "hwirq",
>>> +                     "chip name", 2 * sizeof(void *) + 2, "chip data",
>>> "domain name");
>>
>>
>> kernel/irq/irqdomain.c:647:9: warning: field width specifier ‘*’ expects
>> argument of type ‘int’, but argument 6 has type ‘long unsigned int’
>> [-Wformat]
>>
>
> My original patch assigned the size to an int variable and then passed that
> to the seq_printf(), thus avoiding this issue.  I suspect something like:
>
> s/2 * sizeof(void *) + 2/(int)(2 * sizeof(void *) + 2)/
>
> Would do the trick.

Yeah, I'll push out a fixup patch.

g
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