linux-kernel - Re: [PATCH v1 16/17] thermal/drivers/acerhdf: Remove pointless governor test

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 19 Feb 2023 21:35:33 +0000
From:   "Peter Kästle" <peter@...e.net>
To:     "Daniel Lezcano" <daniel.lezcano@...aro.org>, rafael@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Hans de Goede" <hdegoede@...hat.com>,
        "Mark Gross" <markgross@...nel.org>,
        platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH v1 16/17] thermal/drivers/acerhdf: Remove pointless
 governor test

19. Februar 2023 15:38, "Daniel Lezcano" <daniel.lezcano@...aro.org> schrieb:

> The thermal zone parameter specifies the bang-bang governor.
> 
> The Kconfig selects the bang-bang governor. So it is pointless to test
> if the governor was set for the thermal zone assuming it may not have
> been compiled-in.
> 
> Remove the test and prevent another access into the thermal internals.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>

Acked-by: Peter Kaestle <peter@...e.net>


> ---
> drivers/platform/x86/acerhdf.c | 7 -------
> 1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> index 61f1c3090867..71b9c1f922d9 100644
> --- a/drivers/platform/x86/acerhdf.c
> +++ b/drivers/platform/x86/acerhdf.c
> @@ -697,13 +697,6 @@ static int __init acerhdf_register_thermal(void)
> if (ret)
> return ret;
> 
> - if (strcmp(thz_dev->governor->name,
> - acerhdf_zone_params.governor_name)) {
> - pr_err("Didn't get thermal governor %s, perhaps not compiled into thermal subsystem.\n",
> - acerhdf_zone_params.governor_name);
> - return -EINVAL;
> - }
> -
> return 0;
> }
> 
> -- 
> 2.34.1