In gsc_hwmon_get_devtree_pdata(), of_find_compatible_node() will return
a node pointer with refcount incremented. We should use of_node_put() in
fail path or when it is not used anymore.
Signed-off-by: Liang He <windhl@xxxxxxx>
---
drivers/hwmon/gsc-hwmon.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
index 1fe37418ff46..d64be48f1ef6 100644
--- a/drivers/hwmon/gsc-hwmon.c
+++ b/drivers/hwmon/gsc-hwmon.c
@@ -269,10 +269,13 @@ gsc_hwmon_get_devtree_pdata(struct device *dev)
/* fan controller base address */
fan = of_find_compatible_node(dev->parent->of_node, NULL, "gw,gsc-fan");
if (fan && of_property_read_u32(fan, "reg", &pdata->fan_base)) {
+ of_node_put(fan);
dev_err(dev, "fan node without base\n");
return ERR_PTR(-EINVAL);
}
+ of_node_put(fan);
+
/* allocate structures for channels and count instances of each type */
device_for_each_child_node(dev, child) {
if (fwnode_property_read_string(child, "label", &ch->name)) {
--
2.25.1
