cpufreq/pasemi: fix use-after-free in pas_cpufreq_cpu_init()

[ Upstream commit e0a12445d1cb186d875410d093a00d215bec6a89 ]

The cpu variable is still being used in the of_get_property() call
after the of_node_put() call, which may result in use-after-free.

Fixes: a9acc26b75f6 ("cpufreq/pasemi: fix possible object reference leak")
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: John Vincent <git@tensevntysevn.cf>
Signed-off-by: John Vincent <git@tenseventyseven.cf>
This commit is contained in:
Wen Yang
2019-07-17 11:55:04 +08:00
committed by theshaenix
parent 68f59949c2
commit 4bd03b3cd2

View File

@@ -145,8 +145,6 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
int err = -ENODEV;
cpu = of_get_cpu_node(policy->cpu, NULL);
of_node_put(cpu);
if (!cpu)
goto out;