Function sun4i_tcon_find_engine_traverse() doesn't release node if it
needs to traverse of graph deeper than 1 level.
Fix this by calling of_node_put().
Fixes: 49836b11fe71 ("drm/sun4i: tcon: Generalize engine search algorithm")
Signed-off-by: Jernej Skrabec <jernej.skra...@siol.net>
---
drivers/gpu/drm/sun4i/sun4i_tcon.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c
b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index aacc841d3dc6..3fb084f802e2 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -811,6 +811,7 @@ sun4i_tcon_find_engine_traverse(struct sun4i_drv *drv,
* remote output id. If this for some reason can't be done, 0
* is used as input port id.
*/
+ of_node_put(port);
port = of_graph_get_remote_port(ep);
if (!of_property_read_u32(port, "reg", ®) && reg > 0)
reg -= 1;
--
2.18.0
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