The of_node_put does not seem to be needed. Note that there is none at the preceeding continues.

julia

---------- Forwarded message ---------- Date: Sat, 11 Jun 2022 06:02:45 +0800 From: kernel test robot lkp@intel.com To: kbuild@lists.01.org Cc: lkp@intel.com, Julia Lawall julia.lawall@lip6.fr Subject: [PATCH] drm: fix device_node_continue.cocci warnings

CC: kbuild-all@lists.01.org BCC: lkp@intel.com CC: Linux Memory Management List linux-mm@kvack.org TO: Paul Kocialkowski paul.kocialkowski@bootlin.com CC: Maxime Ripard mripard@kernel.org CC: David Airlie airlied@linux.ie CC: Daniel Vetter daniel@ffwll.ch CC: dri-devel@lists.freedesktop.org CC: linux-kernel@vger.kernel.org

From: kernel test robot lkp@intel.com

drivers/gpu/drm/logicvc/logicvc_layer.c:616:2-13: ERROR: probable double put.

Device node iterators put the previous value of the index variable, so an explicit put causes a double put.

Generated by: scripts/coccinelle/iterators/device_node_continue.cocci

Reported-by: kernel test robot lkp@intel.com Signed-off-by: kernel test robot lkp@intel.com ---

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d0c806803170f120f8cb97b321de7bd89d3a791 commit: efeeaefe9be56e8ae5e5b4e9ff6d2275ec977ec5 [2027/2566] drm: Add support for the LogiCVC display controller :::::: branch date: 17 hours ago :::::: commit date: 31 hours ago

Please take the patch only if it's a positive warning. Thanks!

drivers/gpu/drm/logicvc/logicvc_layer.c | 2 -- 1 file changed, 2 deletions(-)

--- a/drivers/gpu/drm/logicvc/logicvc_layer.c +++ b/drivers/gpu/drm/logicvc/logicvc_layer.c @@ -612,8 +612,6 @@ int logicvc_layers_init(struct logicvc_d ret = logicvc_layer_init(logicvc, layer_node, index); if (ret) goto error; - - of_node_put(layer_node); }

of_node_put(layers_node);