2022-06-01 03:28:17

by Miaoqian Lin

[permalink] [raw]
Subject: [PATCH] drm/arc: Fix refcount leak in arcpgu_load

of_graph_get_remote_port_parent() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init")
Signed-off-by: Miaoqian Lin <[email protected]>
---
drivers/gpu/drm/tiny/arcpgu.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index f0fa3b15c341..6cbc4e9d382e 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -310,6 +310,7 @@ static int arcpgu_load(struct arcpgu_drm_private *arcpgu)

/* Locate drm bridge from the hdmi encoder DT node */
bridge = of_drm_find_bridge(encoder_node);
+ of_node_put(encoder_node);
if (!bridge)
return -EPROBE_DEFER;

--
2.25.1