Re: [PATCH v1 02/13] ACPI: thermal: Collapse trip devices update functions

[Daniel Lezcano]

On 26/09/2023 20:04, Rafael J. Wysocki wrote:
> On Tue, Sep 26, 2023 at 7:56 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> > On Tue, Sep 26, 2023 at 7:18 PM Daniel Lezcano
> > <daniel.lezcano@xxxxxxxxxx> wrote:
> > > On 21/09/2023 19:49, Rafael J. Wysocki wrote:
> > > > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > > >
> > > > In order to reduce code duplication, merge update_passive_devices() and
> > > > update_active_devices() into one function called update_trip_devices()
> > > > that will be used for updating both the passive and active trip points.
> > > >
> > > > No intentional functional impact.
> > > >
> > > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > > > ---
> > > >    drivers/acpi/thermal.c |   53 ++++++++++++++++++-------------------------------

[ ... ]

> > > > +     if (index != ACPI_THERMAL_TRIP_PASSIVE) {
> > > > +             method[1] = 'A';
> > > > +             method[2] = 'L';
> > > > +             method[3] = '0' + index;
> > > > +     }
> > >
> > > Could be index > 9 ?
> >
> > I can add a check, but it will never be called with index > 9 anyway.
>
> To be more precise, update_trip_devices() is called in two places,
> acpi_thermal_init_trip() and acpi_thermal_update_trip_devices().
>
> Both of these are called either with ACPI_THERMAL_TRIP_PASSIVE passed
> as index, or from a loop over indices between 0 and
> ACPI_THERMAL_MAX_ACTIVE-1 inclusive.

Ok, thanks for clarifying


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