In tc_probe_bridge_endpoint(), we should call of_node_put() when breaking out of the for_each_endpoint_of_node() which will automatically increase and decrease the refcount. Fixes: 71f7d9c03118 ("drm/bridge: tc358767: Detect bridge mode from connected endpoints in DT") Signed-off-by: Liang He <windhl@xxxxxxx> --- drivers/gpu/drm/bridge/tc358767.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 485717c8f0b4..7362a1a7a7df 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1986,8 +1986,10 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc) for_each_endpoint_of_node(dev->of_node, node) { of_graph_parse_endpoint(node, &endpoint); - if (endpoint.port > 2) + if (endpoint.port > 2) { + of_node_put(node); return -EINVAL; + } mode |= BIT(endpoint.port); } -- 2.25.1