From: kernel test robot <lkp(a)intel.com&gt; For_each_available_child_of_node should have of_node_put() before return around line 1121. Generated by: scripts/coccinelle/iterators/for_each_child.cocci Fixes: 7d37cb2c912d ("lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS") CC: Julian Braha <julianbraha(a)gmail.com&gt; Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: Julia Lawall <julia.lawall(a)inria.fr&gt; --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1140ab592e2ebf8153d2b322604031a8868ce7a5 commit: 7d37cb2c912dc5c25ffac784a4f9b98c06c6bd08 lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS :::::: branch date: 15 hours ago :::::: commit date: 5 weeks ago mcde_dsi.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/mcde/mcde_dsi.c +++ b/drivers/gpu/drm/mcde/mcde_dsi.c @@ -1118,6 +1118,7 @@ static int mcde_dsi_bind(struct device * bridge = of_drm_find_bridge(child); if (!bridge) { dev_err(dev, "failed to find bridge\n"); + of_node_put(child); return -EINVAL; } }