diff mbox series

[2/3] gpio: sim: switch to device_for_each_child_node_scoped()

Message ID 20240928-gpio_device_for_each_child_node_scoped-v1-2-c20eff315f4f@gmail.com
State New
Headers show
Series gpio: switch to device_for_each_chilld_node_scoped() | expand

Commit Message

Javier Carrasco Sept. 28, 2024, 7:47 p.m. UTC
Switch to device_for_each_child_node_scoped() to simplify the code by
removing the need for a call to fwnode_handle_put() in the error path.

This also prevents possible memory leaks if new error paths are added
without the required call to fwnode_handle_put().

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
---
 drivers/gpio/gpio-sim.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

Comments

Andy Shevchenko Sept. 30, 2024, 11:22 a.m. UTC | #1
On Sat, Sep 28, 2024 at 09:47:36PM +0200, Javier Carrasco wrote:
> Switch to device_for_each_child_node_scoped() to simplify the code by
> removing the need for a call to fwnode_handle_put() in the error path.
> 
> This also prevents possible memory leaks if new error paths are added
> without the required call to fwnode_handle_put().

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
diff mbox series

Patch

diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index dcca1d7f173e..f387dad81f29 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -520,15 +520,12 @@  static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev)
 static int gpio_sim_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct fwnode_handle *swnode;
 	int ret;
 
-	device_for_each_child_node(dev, swnode) {
+	device_for_each_child_node_scoped(dev, swnode) {
 		ret = gpio_sim_add_bank(swnode, dev);
-		if (ret) {
-			fwnode_handle_put(swnode);
+		if (ret)
 			return ret;
-		}
 	}
 
 	return 0;