cpufreq/pasemi: fix use-after-free in pas_cpufreq_cpu_init()
authorWen Yang <wen.yang99@zte.com.cn>
Wed, 17 Jul 2019 03:55:04 +0000 (11:55 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Aug 2019 08:51:24 +0000 (10:51 +0200)
commit260718adc61479571869b3baf9bc85d55daa243b
tree9b54175e84454d226650cf2dcbf0ee3f9ed7c739
parent71faaeb11df9378aa317c76e59e37f34c0851fc6
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>
drivers/cpufreq/pasemi-cpufreq.c