Re: [PATCH v1 1/1] ACPI: NFIT: Switch to use acpi_evaluate_dsm_typed()

From: Dan Williams
Date: Thu Oct 19 2023 - 21:09:12 EST


Wilczynski, Michal wrote:
>
>
> On 10/2/2023 3:54 PM, Andy Shevchenko wrote:
> > The acpi_evaluate_dsm_typed() provides a way to check the type of the
> > object evaluated by _DSM call. Use it instead of open coded variant.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > ---
> > drivers/acpi/nfit/core.c | 5 ++---
> > 1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> > index f96bf32cd368..280da408c02c 100644
> > --- a/drivers/acpi/nfit/core.c
> > +++ b/drivers/acpi/nfit/core.c
> > @@ -1737,9 +1737,8 @@ __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem)
> > if ((nfit_mem->dsm_mask & (1 << func)) == 0)
> > return;
> >
> > - out_obj = acpi_evaluate_dsm(handle, guid, revid, func, &in_obj);
> > - if (!out_obj || out_obj->type != ACPI_TYPE_BUFFER
> > - || out_obj->buffer.length < sizeof(smart)) {
> > + out_obj = acpi_evaluate_dsm_typed(handle, guid, revid, func, &in_obj, ACPI_TYPE_BUFFER);
>
> This line is 90 characters long, wouldn't it be better to split it ?

100 characters is allowed these days.

> > + if (!out_obj || out_obj->buffer.length < sizeof(smart)) {
> > dev_dbg(dev->parent, "%s: failed to retrieve initial health\n",
> > dev_name(dev));
>
> While at it maybe fix alignment ? :-)

Life is too short to fiddle with indentation. For old code leave it
alone, for new code just use clang-format.