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SubjectRe: [PATCH] iqrdomain: Improve formatting in debugfs.
On Wed, Apr 11, 2012 at 3:16 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
> Grant Likely <grant.likely@secretlab.ca> writes:
>
>> @@ -667,7 +667,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
>>                       seq_printf(m, "%-15s  ", p);
>>
>>                       data = irq_desc_get_chip_data(desc);
>> -                     seq_printf(m, "0x%16p  ", data);
>> +                     seq_printf(m, data ? "0x%p  " : "  %p  ", data);
>
> You should be able to use %#p instead to let it add the prefix.

That mostly works, but it doesn't round up the field size to account
for the 2 characters in '0x'. Looks like the %p code needs to be
tweaked to fix that.

Also, gcc complains about it:

/home/grant/hacking/linux/kernel/irq/irqdomain.c: In function ‘virq_debug_show’:
/home/grant/hacking/linux/kernel/irq/irqdomain.c:670:4: warning: '#'
flag used with ‘%p’ gnu_printf format [-Wformat]

Do you know how to suppress that?
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