[PATCH] usb: gadget: aspeed: add missing of_node_put

[Julia Lawall]

From: kernel test robot <l...@intel.com>

Breaking out of for_each_child_of_node requires a put on the
child value.

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

Fixes: 82c2d81361ec ("coccinelle: iterators: Add for_each_child.cocci script")
CC: Sumera Priyadarsini <sylphrena...@gmail.com>
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: kernel test robot <l...@intel.com>
Signed-off-by: Julia Lawall <julia.law...@inria.fr>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   45dfb8a5659ad286c28fa59008271dbc4e5e3f2d
commit: 82c2d81361ecd142a54e84a9da1e287113314a4f coccinelle: iterators: Add 
for_each_child.cocci script
:::::: branch date: 17 hours ago
:::::: commit date: 3 months ago

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

 hub.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
@@ -999,8 +999,10 @@ static int ast_vhub_of_parse_str_desc(st
                str_array[offset].s = NULL;

                ret = ast_vhub_str_alloc_add(vhub, &lang_str);
-               if (ret)
+               if (ret) {
+                       of_node_put(child);
                        break;
+               }
        }

        return ret;