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

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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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