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authorYangtao Li <tiny.windzz@gmail.com>2019-02-16 19:31:48 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-02-19 13:17:37 +0300
commit8cbd468bdeb5ed3acac2d7a9f7494d5b77e46297 (patch)
tree734ce65303257279ceb01c26399df6cd2b236e49 /drivers/cpufreq
parenta3b22b9f11d9fbc48b0291ea92259a5a810e9438 (diff)
downloadlinux-8cbd468bdeb5ed3acac2d7a9f7494d5b77e46297.tar.xz
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: 1690d8bb91e37 (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>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/scmi-cpufreq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 242c3370544e..9ed46d188cb5 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -187,8 +187,8 @@ static int scmi_cpufreq_exit(struct cpufreq_policy *policy)
cpufreq_cooling_unregister(priv->cdev);
dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
- kfree(priv);
dev_pm_opp_remove_all_dynamic(priv->cpu_dev);
+ kfree(priv);
return 0;
}