Run the test for the overlay apply/revert sequence three times, to test if there are unbalanced of_node_put() calls causing reference counts to become negative. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- This is a reproducer for the issue fixed by commit 7882541ca06d51a6 ("of/platform: increase refcount of fwnode") in dt/linus. --- drivers/of/unittest.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 9af5337c76f62162..67e32977341a6f0c 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -3035,6 +3035,7 @@ static void __init of_unittest_overlay_notify(void) static void __init of_unittest_overlay(void) { struct device_node *bus_np = NULL; + unsigned int i; if (platform_driver_register(&unittest_driver)) { unittest(0, "could not register unittest driver\n"); @@ -3072,7 +3073,8 @@ static void __init of_unittest_overlay(void) of_unittest_overlay_2(); of_unittest_overlay_3(); of_unittest_overlay_4(); - of_unittest_overlay_5(); + for (i = 0; i < 3; i++) + of_unittest_overlay_5(); of_unittest_overlay_6(); of_unittest_overlay_8(); -- 2.34.1