[PATCH] video: of_display_timing: Fix device node reference leak in of_get_display_timings()

[Felix Gu]

Use for_each_child_of_node_scoped instead of for_each_child_of_node
to ensure automatic of_node_put on early exit paths, preventing
device node reference leak.

Fixes: cc3f414cf2e4 ("video: add of helper for display timings/videomode")
Signed-off-by: Felix Gu <ustc...@gmail.com>
---
 drivers/video/of_display_timing.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/of_display_timing.c 
b/drivers/video/of_display_timing.c
index 1940c9505dd3..a6ec392253c3 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -195,7 +195,7 @@ struct display_timings *of_get_display_timings(const struct 
device_node *np)
        disp->num_timings = 0;
        disp->native_mode = 0;
 
-       for_each_child_of_node(timings_np, entry) {
+       for_each_child_of_node_scoped(timings_np, child) {
                struct display_timing *dt;
                int r;
 
@@ -206,7 +206,7 @@ struct display_timings *of_get_display_timings(const struct 
device_node *np)
                        goto timingfail;
                }
 
-               r = of_parse_display_timing(entry, dt);
+               r = of_parse_display_timing(child, dt);
                if (r) {
                        /*
                         * to not encourage wrong devicetrees, fail in case of
@@ -218,7 +218,7 @@ struct display_timings *of_get_display_timings(const struct 
device_node *np)
                        goto timingfail;
                }
 
-               if (native_mode == entry)
+               if (native_mode == child)
                        disp->native_mode = disp->num_timings;
 
                disp->timings[disp->num_timings] = dt;

---
base-commit: 33a647c659ffa5bdb94abc345c8c86768ff96215
change-id: 20260131-of_display_timging-ef874a2d049b

Best regards,
-- 
Felix Gu <ustc...@gmail.com>