From: Liang He windhl@126.com
[ Upstream commit 220fafb4ed04187e9c17be4152da5a7f2ffbdd8c ]
We should call of_node_put() for the reference returned by of_get_child_by_name() which has increased the refcount.
Fixes: 30d2617fd7ed ("usb: gadget: aspeed: allow to set usb strings in device tree") Signed-off-by: Liang He windhl@126.com Link: https://lore.kernel.org/r/20220713120528.368168-1-windhl@126.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/udc/aspeed-vhub/hub.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/udc/aspeed-vhub/hub.c index bfd8e77788e2..3a4ccc722db5 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c @@ -1033,8 +1033,10 @@ static int ast_vhub_init_desc(struct ast_vhub *vhub) /* Initialize vhub String Descriptors. */ INIT_LIST_HEAD(&vhub->vhub_str_desc); desc_np = of_get_child_by_name(vhub_np, "vhub-strings"); - if (desc_np) + if (desc_np) { ret = ast_vhub_of_parse_str_desc(vhub, desc_np); + of_node_put(desc_np); + } else ret = ast_vhub_str_alloc_add(vhub, &ast_vhub_strings);