Use for_each_child_of_node() macro instead of open coding it.

Signed-off-by: Qinglang Miao <miaoqingl...@huawei.com>
---
 drivers/macintosh/windfarm_smu_sensors.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/macintosh/windfarm_smu_sensors.c 
b/drivers/macintosh/windfarm_smu_sensors.c
index 3e6059eaa..c8706cfb8 100644
--- a/drivers/macintosh/windfarm_smu_sensors.c
+++ b/drivers/macintosh/windfarm_smu_sensors.c
@@ -421,8 +421,7 @@ static int __init smu_sensors_init(void)
                return -ENODEV;
 
        /* Look for sensors subdir */
-       for (sensors = NULL;
-            (sensors = of_get_next_child(smu, sensors)) != NULL;)
+       for_each_child_of_node(smu, sensors)
                if (of_node_name_eq(sensors, "sensors"))
                        break;
 
-- 
2.23.0

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