From: Lukasz Luba <lukasz.luba@arm.com>
To: linux-kernel@vger.kernel.org
Cc: sudeep.holla@arm.com, cristian.marussi@arm.com,
rjw@rjwysocki.net, viresh.kumar@linaro.org,
nicola.mazzucato@arm.com, lukasz.luba@arm.com,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org
Subject: [PATCH] cpufreq: arm_scmi: Fix error path when allocation failed
Date: Mon, 2 Aug 2021 21:45:50 +0100 [thread overview]
Message-ID: <20210802204550.12647-1-lukasz.luba@arm.com> (raw)
Print warning and return an error which would stop the initialization
when cpumask allocation failed.
Fixes: 80a064dbd556 ("scmi-cpufreq: Get opp_shared_cpus from opp-v2 for EM")
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
---
drivers/cpufreq/scmi-cpufreq.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index ec9a87ca2dbb..b159123e68fd 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -133,8 +133,10 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
return -ENODEV;
}
- if (!zalloc_cpumask_var(&opp_shared_cpus, GFP_KERNEL))
- ret = -ENOMEM;
+ if (!zalloc_cpumask_var(&opp_shared_cpus, GFP_KERNEL)) {
+ dev_warn(cpu_dev, "failed to allocate cpumask\n");
+ return -ENOMEM;
+ }
/* Obtain CPUs that share SCMI performance controls */
ret = scmi_get_sharing_cpus(cpu_dev, policy->cpus);
--
2.17.1
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next reply other threads:[~2021-08-02 20:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 20:45 Lukasz Luba [this message]
2021-08-03 4:34 ` [PATCH] cpufreq: arm_scmi: Fix error path when allocation failed Viresh Kumar
2021-08-03 8:49 ` Lukasz Luba
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