This function gets a device_node reference via
of_graph_get_remote_port_parent() and stores it in encoder_node, but necer
puts that reference. Add it.

There used to be a of_node_put(encoder_node) but it has been removed by
mistake during a rework in commit 3ea66a794fdc ("drm/arc: Inline
arcpgu_drm_hdmi_init").

Fixes: 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init")
Cc: [email protected]
Signed-off-by: Luca Ceresoli <[email protected]>
---
 drivers/gpu/drm/tiny/arcpgu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index 7cf0f0ea1bfe..c74466ea2535 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -250,7 +250,8 @@ DEFINE_DRM_GEM_DMA_FOPS(arcpgu_drm_ops);
 static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
 {
        struct platform_device *pdev = to_platform_device(arcpgu->drm.dev);
-       struct device_node *encoder_node = NULL, *endpoint_node = NULL;
+       struct device_node *encoder_node __free(device_node) = NULL;
+       struct device_node *endpoint_node = NULL;
        struct drm_connector *connector = NULL;
        struct drm_device *drm = &arcpgu->drm;
        int ret;

---
base-commit: 949f1fd2225baefbea2995afa807dba5cbdb6bd3
change-id: 20251119-drm-arcgpu-fix-device-node-leak-f909bc1f7fbb

Best regards,
-- 
Luca Ceresoli <[email protected]>

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