author: Yangtao Li <tiny.windzz@gmail.com> 2018-12-10 11:26:41 -0500
committer: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 2018-12-11 12:09:48 +0100
commit: 9456823c842f346c74265fcd98d008d87a7eb6f5
parent: 61cb5758d3c46bc1ba87694fefc0d9653613ce6b
Commit Summary:
Diffstat:
1 file changed, 4 insertions, 1 deletion
diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c
index db2ede565f1a..b44476a1b7ad 100644
--- a/drivers/cpuidle/cpuidle-big_little.c
+++ b/drivers/cpuidle/cpuidle-big_little.c
@@ -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())