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| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2023-02-14 12:41:15 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-02-14 17:06:10 +0300 |
| commit | 6f098cde9df2c86d60db727d6270272751943674 (patch) | |
| tree | 2e67bbe3be418b11b01bb1224b403e4e99e2ee0f /drivers/cpufreq | |
| parent | ceaa837f96adb69c0df0397937cd74991d5d821a (diff) | |
| download | linux-6f098cde9df2c86d60db727d6270272751943674.tar.xz | |
cpufreq: qcom-hw: Add missing null pointer check
of_device_get_match_data() may return NULL, so add a check to prevent
potential null pointer dereference.
Issue reported by Qualcomm's internal static analysis tool.
Fixes: 4f7961706c63 ("cpufreq: qcom-hw: Move soc_data to struct qcom_cpufreq")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/qcom-cpufreq-hw.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 957cf6bb8c05..d3f55ca06ed3 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -706,6 +706,8 @@ static int qcom_cpufreq_hw_driver_probe(struct platform_device *pdev) return -ENOMEM; qcom_cpufreq.soc_data = of_device_get_match_data(dev); + if (!qcom_cpufreq.soc_data) + return -ENODEV; clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, num_domains), GFP_KERNEL); if (!clk_data) |