diff mbox series

[1/2] drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init

Message ID 20220531144818.26943-1-linmq006@gmail.com (mailing list archive)
State New, archived
Delegated to: Neil Armstrong
Headers show
Series [1/2] drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init | expand

Commit Message

Miaoqian Lin May 31, 2022, 2:48 p.m. UTC 
of_graph_get_remote_node() returns remote device nodepointer with
refcount incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 318ba02cd8a8 ("drm/meson: encoder_cvbs: switch to bridge with ATTACH_NO_CONNECTOR")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/gpu/drm/meson/meson_encoder_cvbs.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Martin Blumenstingl May 31, 2022, 7:59 p.m. UTC | #1 
On Tue, May 31, 2022 at 4:49 PM Miaoqian Lin <linmq006@gmail.com> wrote:
>
> of_graph_get_remote_node() returns remote device nodepointer with
> refcount incremented, we should use of_node_put() on it when done.
> Add missing of_node_put() to avoid refcount leak.
>
> Fixes: 318ba02cd8a8 ("drm/meson: encoder_cvbs: switch to bridge with ATTACH_NO_CONNECTOR")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/meson/meson_encoder_cvbs.c b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
index fd8db97ba8ba..8110a6e39320 100644
--- a/drivers/gpu/drm/meson/meson_encoder_cvbs.c
+++ b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
@@ -238,6 +238,7 @@  int meson_encoder_cvbs_init(struct meson_drm *priv)
 	}
 
 	meson_encoder_cvbs->next_bridge = of_drm_find_bridge(remote);
+	of_node_put(remote);
 	if (!meson_encoder_cvbs->next_bridge) {
 		dev_err(priv->dev, "Failed to find CVBS Connector bridge\n");
 		return -EPROBE_DEFER;