cpuidle: big.LITTLE: fix refcount leak
of_find_node_by_path() acquires a reference to the node returned by it and that reference needs to be dropped by its caller. bl_idle_init() doesn't do that, so fix it. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -167,6 +167,7 @@ static int __init bl_idle_init(void)
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{
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int ret;
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struct device_node *root = of_find_node_by_path("/");
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const struct of_device_id *match_id;
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if (!root)
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return -ENODEV;
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@ -174,7 +175,11 @@ static int __init bl_idle_init(void)
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/*
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* Initialize the driver just for a compliant set of machines
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*/
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if (!of_match_node(compatible_machine_match, root))
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match_id = of_match_node(compatible_machine_match, root);
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of_node_put(root);
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if (!match_id)
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return -ENODEV;
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if (!mcpm_is_available())
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