Re: [PATCH] parisc: Use proper printk format for resource_size_t
From: Krzysztof Kozlowski
Date: Tue Jan 14 2020 - 03:53:52 EST
On Tue, Jan 14, 2020 at 09:27:35AM +0100, Helge Deller wrote:
> On 03.01.20 17:39, Krzysztof Kozlowski wrote:
> > resource_size_t should be printed with its own size-independent format
> > to fix warnings when compiling on 64-bit platform (e.g. with
> > COMPILE_TEST):
> >
> > arch/parisc/kernel/drivers.c: In function 'print_parisc_device':
> > arch/parisc/kernel/drivers.c:892:9: warning:
> > format '%p' expects argument of type 'void *',
> > but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=]
> >
> > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> > ---
> > arch/parisc/kernel/drivers.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
> > index a6c9f49c6612..a154de424421 100644
> > --- a/arch/parisc/kernel/drivers.c
> > +++ b/arch/parisc/kernel/drivers.c
> > @@ -889,8 +889,8 @@ static void print_parisc_device(struct parisc_device *dev)
> > static int count;
> >
> > print_pa_hwpath(dev, hw_path);
> > - pr_info("%d. %s at 0x%px [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
> > - ++count, dev->name, (void*) dev->hpa.start, hw_path, dev->id.hw_type,
> > + pr_info("%d. %s at %pa[p] [%s] { %d, 0x%x, 0x%.3x, 0x%.5x }",
>
> It needs to be %pap instead of %pa[p].
> The documentation in Documentation/core-api/printk-formats.rst is correct, but misleading.
> I corrected & applied it.
> Thanks!
Damn it, you're right. Thanks for noticing!
Best regards,
Krzysztof