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From: Lukasz Luba <lukasz.luba@arm.com>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	linux-pm@vger.kernel.org, "Rafael J. Wysocki" <rafael@kernel.org>,
	kernel-janitors@vger.kernel.org, Zhang Rui <rui.zhang@intel.com>,
	Daniel Lezcano <daniel.lezcano@kernel.org>
Subject: Re: [PATCH] thermal: gov_power_allocator: Use common error handling code in power_allocator_bind()
Date: Mon, 7 Sep 2026 09:00:46 +0100	[thread overview]
Message-ID: <e8be7505-52a4-4c7f-9194-6e9124df6f2e@arm.com> (raw)
In-Reply-To: <a3dc82f0-7333-465d-85b4-8034b1591442@web.de>



On 6/10/26 10:30, Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 10 Jun 2026 11:20:37 +0200
> 
> Adjust labels so that a bit of exception handling can be better reused
> at the end of this function implementation.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>   drivers/thermal/gov_power_allocator.c | 11 +++++------
>   1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
> index 37f2e22a999e..6b9450ffd5de 100644
> --- a/drivers/thermal/gov_power_allocator.c
> +++ b/drivers/thermal/gov_power_allocator.c
> @@ -707,22 +707,20 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
>   	ret = check_power_actors(tz, params);
>   	if (ret < 0) {
>   		dev_warn(&tz->device, "power_allocator: binding failed\n");
> -		kfree(params);
> -		return ret;
> +		goto free_params;
>   	}
>   
>   	ret = allocate_actors_buffer(params, ret);
>   	if (ret) {
>   		dev_warn(&tz->device, "power_allocator: allocation failed\n");
> -		kfree(params);
> -		return ret;
> +		goto free_params;
>   	}
>   
>   	if (!tz->tzp) {
>   		tz->tzp = kzalloc_obj(*tz->tzp);
>   		if (!tz->tzp) {
>   			ret = -ENOMEM;
> -			goto free_params;
> +			goto free_power;
>   		}
>   
>   		params->allocated_tzp = true;
> @@ -746,8 +744,9 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
>   
>   	return 0;
>   
> -free_params:
> +free_power:
>   	kfree(params->power);
> +free_params:
>   	kfree(params);
>   
>   	return ret;

LGTM. BTW, I like the 'free_power' label ;)

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

  reply	other threads:[~2026-09-07  8:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-10  9:30 Markus Elfring
2026-09-07  8:00 ` Lukasz Luba [this message]
2026-09-28 16:41 ` Daniel Lezcano

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