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cpufreq: qcom: cpufreq-hw: Add check for get_cpu_device before usage

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Check if the get_cpu_device is NULL before using it for the OPP usage.

Change-Id: I312da0199eac7a78a84f0584e505ab800904f77f
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Taniya Das 2020-10-01 15:49:38 +05:30
commit 8ede36cd8b
1 changed files with 6 additions and 6 deletions
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12
drivers/cpufreq/qcom-cpufreq-hw.c
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@ -396,7 +396,7 @@ static struct cpufreq_driver cpufreq_qcom_hw_driver = {
static int qcom_cpufreq_hw_read_lut(struct platform_device *pdev,
struct cpufreq_qcom *c, u32 max_cores)
{
struct device *dev = &pdev->dev;
struct device *dev = &pdev->dev, *cpu_dev;
u32 data, src, lval, i, core_count, prev_cc, prev_freq, freq, volt;
unsigned long cpu;
@ -406,6 +406,7 @@ static int qcom_cpufreq_hw_read_lut(struct platform_device *pdev,
return -ENOMEM;
cpu = cpumask_first(&c->related_cpus);
cpu_dev = get_cpu_device(cpu);
prev_cc = 0;
@ -442,15 +443,14 @@ static int qcom_cpufreq_hw_read_lut(struct platform_device *pdev,
prev_cc = core_count;
prev_freq = freq;
if (get_cpu_device(cpu))
dev_pm_opp_add(get_cpu_device(cpu), freq * 1000, volt);
if (cpu_dev)
dev_pm_opp_add(cpu_dev, freq * 1000, volt);
}
c->table[i].frequency = CPUFREQ_TABLE_END;
if (get_cpu_device(cpu))
dev_pm_opp_set_sharing_cpus(get_cpu_device(cpu),
&c->related_cpus);
if (cpu_dev)
dev_pm_opp_set_sharing_cpus(cpu_dev, &c->related_cpus);
return 0;
}