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Commit 9456823c authored by Yangtao Li's avatar Yangtao Li Committed by Rafael J. Wysocki
Browse files

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: default avatarYangtao Li <tiny.windzz@gmail.com>
Acked-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 61cb5758

drivers/cpuidle/cpuidle-big_little.c

+6 −1
Original line number Diff line number Diff line
@@ -167,6 +167,7 @@ static int __init bl_idle_init(void) 
{

	int ret;

	struct device_node *root = of_find_node_by_path("/");

	const struct of_device_id *match_id;



	if (!root)

		return -ENODEV;
@@ -174,7 +175,11 @@ static int __init bl_idle_init(void) 
	/*

	 * Initialize the driver just for a compliant set of machines

	 */

	if (!of_match_node(compatible_machine_match, root))

	match_id = of_match_node(compatible_machine_match, root);



	of_node_put(root);



	if (!match_id)

		return -ENODEV;



	if (!mcpm_is_available())