From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 72d67d6b3447303a441a8cedc34f7224b75f64b5 ]
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@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Reviewed-by: Rex-BC Chen rex-bc.chen@mediatek.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 76f6b3884e6b..7f2680bc9a0f 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -478,6 +478,7 @@ 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;