linux-kernel - Re: [PATCH] powercap: DTPM: Fix the missing cpufreq_cpu

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Message-ID: <2023120139-staging-sprang-7e77@gregkh>
Date:   Fri, 1 Dec 2023 12:44:04 +0000
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        daniel.lezcano@...aro.org, rafael@...nel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] powercap: DTPM: Fix the missing cpufreq_cpu_put() calls

On Fri, Dec 01, 2023 at 12:32:05PM +0000, Lukasz Luba wrote:
> The policy returned by cpufreq_cpu_get() has to be released with
> the help of cpufreq_cpu_put() to balance its kobject reference counter
> properly.
> 
> Add the missing calls to cpufreq_cpu_put() in the code.
> 
> Fixes: 0aea2e4ec2a2 ("powercap/dtpm_cpu: Reset per_cpu variable in the release function")
> Fixes: 0e8f68d7f048 ("powercap/drivers/dtpm: Add CPU energy model based support")
> Cc: <stable@...r.kernel.org> # v5.10+

But the Fixes: tags are for commits that are only in 5.12 and newer, how
can this be relevant for 5.10?

thanks,

greg k-h