linux-kernel - Re: [PATCH] thermal/drivers/int340x: Fix uninitialized trip

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Message-ID: <CAJZ5v0gShFD09cS6Xf3shD9zZkWY7_kzrPr_KYHi+kOaUHgzaA@mail.gmail.com>
Date:   Tue, 24 Jan 2023 17:41:08 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     rafael@...nel.org, error27@...il.com,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] thermal/drivers/int340x: Fix uninitialized trip_cnt variable

On Tue, Jan 24, 2023 at 5:35 PM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
> The conversion to the generic trip points missed to initializes the
> extra trip points to zero in case the _PATC method is not found.

The _PATC name is incorrect.

> Set by default the trip_cnt to zero.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>  drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> index 7ff5d9b1c490..c113962a599e 100644
> --- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> +++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
> @@ -121,7 +121,7 @@ struct int34x_thermal_zone *int340x_thermal_zone_add(struct acpi_device *adev,
>  {
>         struct int34x_thermal_zone *int34x_thermal_zone;
>         acpi_status status;
> -       unsigned long long trip_cnt;
> +       unsigned long long trip_cnt = 0;
>         int trip_mask = 0;
>         int i, ret;
>
> --

I've just posted an equivalent fix and I prefer mine.