[PATCH 1/6] drm/bridge: aux-hpd: fix OF node leaks

[Johan Hovold]

The two device node references taken during allocation need to be
dropped when the auxiliary device is freed.

Fixes: 6914968a0b52 ("drm/bridge: properly refcount DT nodes in aux bridge drivers")
Cc: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
Cc: Neil Armstrong <neil.armstrong at linaro.org>
Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
---
 drivers/gpu/drm/bridge/aux-hpd-bridge.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/bridge/aux-hpd-bridge.c b/drivers/gpu/drm/bridge/aux-hpd-bridge.c
index bb55f697a181..9e71daf95bde 100644
--- a/drivers/gpu/drm/bridge/aux-hpd-bridge.c
+++ b/drivers/gpu/drm/bridge/aux-hpd-bridge.c
@@ -25,6 +25,7 @@ static void drm_aux_hpd_bridge_release(struct device *dev)
 	ida_free(&drm_aux_hpd_bridge_ida, adev->id);
 
 	of_node_put(adev->dev.platform_data);
+	of_node_put(adev->dev.of_node);
 
 	kfree(adev);
 }
@@ -74,6 +75,8 @@ struct device *drm_dp_hpd_bridge_register(struct device *parent,
 
 	ret = auxiliary_device_init(adev);
 	if (ret) {
+		of_node_put(adev->dev.platform_data);
+		of_node_put(adev->dev.of_node);
 		ida_free(&drm_aux_hpd_bridge_ida, adev->id);
 		kfree(adev);
 		return ERR_PTR(ret);
-- 
2.43.0