[PATCH -next] cpufreq: mediatek: fix error return code in mtk_cpu_dvfs_info_init()

[Rex-BC Chen]

On Tue, 2022-05-17 at 21:34 +0800, Yang Yingliang wrote:
> If regulator_get_voltage() fails, it should return the error code in
> mtk_cpu_dvfs_info_init().
> 
> Fixes: 0daa47325bae ("cpufreq: mediatek: Link CCI device to CPU")
> Reported-by: Hulk Robot <hulkci at huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
> ---
>  drivers/cpufreq/mediatek-cpufreq.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/cpufreq/mediatek-cpufreq.c
> b/drivers/cpufreq/mediatek-cpufreq.c
> index 37a1eb20f5ba..3a2be4552020 100644
> --- a/drivers/cpufreq/mediatek-cpufreq.c
> +++ b/drivers/cpufreq/mediatek-cpufreq.c
> @@ -474,6 +474,7 @@ static int mtk_cpu_dvfs_info_init(struct
> mtk_cpu_dvfs_info *info, int cpu)
>  	if (info->soc_data->ccifreq_supported) {
>  		info->vproc_on_boot = regulator_get_voltage(info-
> >proc_reg);
>  		if (info->vproc_on_boot < 0) {
> +			ret = info->vproc_on_boot;
>  			dev_err(info->cpu_dev,
>  				"invalid Vproc value: %d\n", info-
> >vproc_on_boot);
>  			goto out_disable_inter_clock;

Thanks for fix this!

Reviewed-by: Rex-BC Chen <rex-bc.chen at mediatek.com>