[PATCH 3/3] drm: logicvc: use automatic cleanup facility for layers_node

[Javier Carrasco]

Use the more robust approach provided by the __free() macro to
automatically call of_node_put() when the device node goes out of scope.

Signed-off-by: Javier Carrasco <javier.carrasco.c...@gmail.com>
---
 drivers/gpu/drm/logicvc/logicvc_layer.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/logicvc/logicvc_layer.c 
b/drivers/gpu/drm/logicvc/logicvc_layer.c
index 34caf5f0f619..9d7d1b58b002 100644
--- a/drivers/gpu/drm/logicvc/logicvc_layer.c
+++ b/drivers/gpu/drm/logicvc/logicvc_layer.c
@@ -581,12 +581,12 @@ int logicvc_layers_init(struct logicvc_drm *logicvc)
        struct drm_device *drm_dev = &logicvc->drm_dev;
        struct device *dev = drm_dev->dev;
        struct device_node *of_node = dev->of_node;
-       struct device_node *layers_node;
+       struct device_node *layers_node __free(device_node) =
+               of_get_child_by_name(of_node, "layers");
        struct logicvc_layer *layer;
        struct logicvc_layer *next;
        int ret = 0;
 
-       layers_node = of_get_child_by_name(of_node, "layers");
        if (!layers_node) {
                drm_err(drm_dev, "No layers node found in the description\n");
                ret = -ENODEV;
@@ -611,14 +611,10 @@ int logicvc_layers_init(struct logicvc_drm *logicvc)
                }
 
                ret = logicvc_layer_init(logicvc, layer_node, index);
-               if (ret) {
-                       of_node_put(layers_node);
+               if (ret)
                        goto error;
-               }
        }
 
-       of_node_put(layers_node);
-
        return 0;
 
 error:

-- 
2.43.0