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cpufreq: scmi: Fix use-after-free in scmi_cpufreq_exit() 

This issue was detected with the help of Coccinelle. So
change the order of function calls to fix it.

Fixes: 1690d8bb91 (cpufreq: scpi/scmi: Fix freeing of dynamic OPPs)

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: 4.20+ <stable@vger.kernel.org> # 4.20+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Yangtao Li 2019-02-16 11:31:48 -05:00 committed by Rafael J. Wysocki
parent a3b22b9f11
commit 8cbd468bde
1 changed files with 1 additions and 1 deletions
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2
drivers/cpufreq/scmi-cpufreq.c
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@ -187,8 +187,8 @@ static int scmi_cpufreq_exit(struct cpufreq_policy *policy)
cpufreq_cooling_unregister(priv->cdev); cpufreq_cooling_unregister(priv->cdev);
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
kfree(priv);
dev_pm_opp_remove_all_dynamic(priv->cpu_dev); dev_pm_opp_remove_all_dynamic(priv->cpu_dev);
kfree(priv);
return 0; return 0;
} }