Hello Lin, Thank you for the patch. On Wed, Jun 01, 2022 at 08:48:58AM +0400, Miaoqian Lin wrote: > omapdss_find_dss_of_node() calls of_find_compatible_node() to get device > node. of_find_compatible_node() returns a node pointer with refcount > incremented, we should use of_node_put() on it when done. > Add missing of_node_put() in later error path and normal path. > > Fixes: e0c827aca0730 ("drm/omap: Populate DSS children in omapdss driver") > Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > arch/arm/mach-omap2/display.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c > index 21413a9b7b6c..ed2cb2649cf6 100644 > --- a/arch/arm/mach-omap2/display.c > +++ b/arch/arm/mach-omap2/display.c > @@ -259,11 +259,13 @@ static int __init omapdss_init_of(void) > > if (!pdev) { > pr_err("Unable to find DSS platform device\n"); > + of_node_put(node); > return -ENODEV; > } > > r = of_platform_populate(node, NULL, NULL, &pdev->dev); > put_device(&pdev->dev); > + of_node_put(node); > if (r) { > pr_err("Unable to populate DSS submodule devices\n"); > return r; -- Regards, Laurent Pinchart