diff mbox series

[v2,1/2] drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init

Message ID 20220601033927.47814-2-linmq006@gmail.com (mailing list archive)
State New, archived
Delegated to: Neil Armstrong
Headers show
Series drm/meson: Fix refcount leak | expand

Commit Message

Miaoqian Lin June 1, 2022, 3:39 a.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 June 5, 2022, 10:02 p.m. UTC | #1
Hello,

thank you for your patch!

On Wed, Jun 1, 2022 at 5:39 AM 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>
As far as I can tell this patch is identical to the one from v1.
Please keep my Reviewed-by from the previous version in case nothing
has changed for this specific patch:
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>


Best regards,
Martin
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;