linux-kernel - [PATCH 5.13 031/127] cpufreq: arm_scmi: Fix error path when allocation failed

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Date:   Tue, 24 Aug 2021 12:54:31 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Lukasz Luba <lukasz.luba@....com>,
        Sudeep Holla <sudeep.holla@....com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.13 031/127] cpufreq: arm_scmi: Fix error path when allocation failed

From: Lukasz Luba <lukasz.luba@....com>

[ Upstream commit f7d635883fb73414c7c4e2648b42adc296c5d40d ]

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>
Reviewed-by: Sudeep Holla <sudeep.holla@....com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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);
-- 
2.30.2