linux-kernel - Re: [PATCH -next] cpufreq: qcom-hw: Fix memory leak in qcom_cpufreq_hw_driver

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Date:   Thu, 24 Nov 2022 10:16:43 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Xiu Jianfeng <xiujianfeng@...wei.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        rafael@...nel.org, mani@...nel.org, linux-arm-msm@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] cpufreq: qcom-hw: Fix memory leak in
 qcom_cpufreq_hw_driver_probe()

On 22-11-22, 20:46, Xiu Jianfeng wrote:
> If devm_clk_hw_register() fails, clk_init.name should be freed before
> return error, otherwise will cause memory leak issue, fix it.
> 
> Fixes: 84063a1cbe9e ("cpufreq: qcom-hw: Add CPU clock provider support")
> Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
> ---
>  drivers/cpufreq/qcom-cpufreq-hw.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
> index 1bd1e9ae5308..340fed35e45d 100644
> --- a/drivers/cpufreq/qcom-cpufreq-hw.c
> +++ b/drivers/cpufreq/qcom-cpufreq-hw.c
> @@ -723,6 +723,7 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev)
>  		ret = devm_clk_hw_register(dev, &data->cpu_clk);
>  		if (ret < 0) {
>  			dev_err(dev, "Failed to register clock %d: %d\n", i, ret);
> +			kfree(clk_init.name);
>  			return ret;
>  		}

Squashed with the original commit and added your SoB. Thanks.

-- 
viresh