[PATCH v2] hwmon: (gsc-hwmon) Call of_node_get() before of_find_xxx API

[Liang He <windhl@126.com>]

In gsc_hwmon_get_devtree_pdata(), we should call of_node_get() before
the of_find_compatible_node() which will automatically call
of_node_put() for the 'from' argument.

Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support")
Co-developed-by: Mengda Chen <chenmengda2009@163.com>
Signed-off-by: Mengda Chen <chenmengda2009@163.com>
Signed-off-by: Liang He <windhl@126.com>
---

 v2: use proper tags advised by Guenter and based on Kernel Doc

 drivers/hwmon/gsc-hwmon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
index d64be48f1ef6..b60ec95b5edb 100644
--- a/drivers/hwmon/gsc-hwmon.c
+++ b/drivers/hwmon/gsc-hwmon.c
@@ -267,6 +267,7 @@ gsc_hwmon_get_devtree_pdata(struct device *dev)
 	pdata->nchannels = nchannels;
 
 	/* fan controller base address */
+	of_node_get(dev->parent->of_node);
 	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);
-- 
2.25.1