[PATCH v2] misc: ti_fpc202: fix a potential memory leak in probe function

Felix Gu posted 1 patch 1 month, 1 week ago
drivers/misc/ti_fpc202.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
[PATCH v2] misc: ti_fpc202: fix a potential memory leak in probe function
Posted by Felix Gu 1 month, 1 week ago
Use for_each_child_of_node_scoped() to simplify the code and ensure the
device node reference is automatically released when the loop scope
ends.

Signed-off-by: Felix Gu <gu_0233@qq.com>
Reviewed-by: Romain Gantois <romain.gantois@bootlin.com>
---
v2:
 - Fixed spacing in the commit title ("misc: ti_fpc202: ...") as requested by Romain.
 - Added Romain's Reviewed-by tag.

 drivers/misc/ti_fpc202.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/misc/ti_fpc202.c b/drivers/misc/ti_fpc202.c
index 7964e46c7448..8eb2b5ac9850 100644
--- a/drivers/misc/ti_fpc202.c
+++ b/drivers/misc/ti_fpc202.c
@@ -309,7 +309,6 @@ static void fpc202_remove_port(struct fpc202_priv *priv, int port_id)
 static int fpc202_probe(struct i2c_client *client)
 {
 	struct device *dev = &client->dev;
-	struct device_node *i2c_handle;
 	struct fpc202_priv *priv;
 	int ret, port_id;
 
@@ -357,7 +356,7 @@ static int fpc202_probe(struct i2c_client *client)
 
 	bitmap_zero(priv->probed_ports, FPC202_NUM_PORTS);
 
-	for_each_child_of_node(dev->of_node, i2c_handle) {
+	for_each_child_of_node_scoped(dev->of_node, i2c_handle) {
 		ret = of_property_read_u32(i2c_handle, "reg", &port_id);
 		if (ret) {
 			if (ret == -EINVAL)
-- 
2.43.0