of_node_put(panel) is not called when of_drm_find_panel(panel) returns NULL, thus leaking the reference we hold on panel. Fixes: 9be7d864cf07 ("drm/tegra: Implement panel support") Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx> --- drivers/gpu/drm/tegra/output.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index ffe34bd0bb9d..676fd394836f 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -110,10 +110,9 @@ int tegra_output_probe(struct tegra_output *output) panel = of_parse_phandle(output->of_node, "nvidia,panel", 0); if (panel) { output->panel = of_drm_find_panel(panel); + of_node_put(panel); if (!output->panel) return -EPROBE_DEFER; - - of_node_put(panel); } output->edid = of_get_property(output->of_node, "nvidia,edid", &size); -- 2.14.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html