Input: raspberrypi-ts - use cleanup facility for device_node

Use the '__free(device_node)' macro to automatically free the device
node, removing the need for explicit calls to 'of_node_put()' to
decrement its refcount.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241010-input_automate_of_node_put-v1-9-ebc62138fbf8@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/raspberrypi-ts.c b/drivers/input/touchscreen/raspberrypi-ts.c
index 45c575df994e01be62e1cd5bded04b4ae3c0bf55..841d39a449b373f4ad86e9e3e151f854cb7887c8 100644 (file)
--- a/drivers/input/touchscreen/raspberrypi-ts.c
+++ b/drivers/input/touchscreen/raspberrypi-ts.c
@@ -122,20 +122,18 @@ static int rpi_ts_probe(struct platform_device *pdev)
        struct device *dev = &pdev->dev;
        struct device_node *np = dev->of_node;
        struct input_dev *input;
-       struct device_node *fw_node;
        struct rpi_firmware *fw;
        struct rpi_ts *ts;
        u32 touchbuf;
        int error;
 
-       fw_node = of_get_parent(np);
+       struct device_node *fw_node __free(device_node) = of_get_parent(np);
        if (!fw_node) {
                dev_err(dev, "Missing firmware node\n");
                return -ENOENT;
        }
 
        fw = devm_rpi_firmware_get(&pdev->dev, fw_node);
-       of_node_put(fw_node);
        if (!fw)
                return -EPROBE_DEFER;