[PATCH 5.19 301/717] drm/bridge: tc358767: Add of_node_put() when breaking out of loop

Greg Kroah-Hartman
2022-10-22T08:26:01Z

From: Liang He <windhl@126.com>

[ Upstream commit 14e7157afb055248ed34901fcd6fbf54201cfea1 ]

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@126.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220719065447.1080817-2-windhl@126.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/bridge/tc358767.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 16affb42086a..c41c6c464b7f 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1986,9 +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);
}

--
2.35.1