linux-kernel - Re: [PATCH v2] cpufreq: arm_scmi: Fix error path when allocation failed

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Message-ID: <20210804040237.ssrba26jpe572mjf@vireshk-i7>
Date:   Wed, 4 Aug 2021 09:32:37 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     linux-kernel@...r.kernel.org, sudeep.holla@....com,
        cristian.marussi@....com, rjw@...ysocki.net,
        nicola.mazzucato@....com, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v2] cpufreq: arm_scmi: Fix error path when allocation
 failed

On 03-08-21, 10:07, Lukasz Luba wrote:
> Stop the initialization when cpumask allocation failed and return an
> error.
> 
> Fixes: 80a064dbd556 ("scmi-cpufreq: Get opp_shared_cpus from opp-v2 for EM")
> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
> ---
> changes:
> v2:
> - removed dev_warn() since it's not needed in this case
> - adjusted the patch description
> 
>  drivers/cpufreq/scmi-cpufreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
> index ec9a87ca2dbb..75f818d04b48 100644
> --- a/drivers/cpufreq/scmi-cpufreq.c
> +++ b/drivers/cpufreq/scmi-cpufreq.c
> @@ -134,7 +134,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
>  	}
>  
>  	if (!zalloc_cpumask_var(&opp_shared_cpus, GFP_KERNEL))
> -		ret = -ENOMEM;
> +		return -ENOMEM;
>  
>  	/* Obtain CPUs that share SCMI performance controls */
>  	ret = scmi_get_sharing_cpus(cpu_dev, policy->cpus);

Applied. Thanks.

-- 
viresh