diff options
author | Liang He <windhl@126.com> | 2022-07-13 15:05:28 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-14 17:10:12 +0300 |
commit | 220fafb4ed04187e9c17be4152da5a7f2ffbdd8c (patch) | |
tree | 5a9016e3e92f6552200db9b13cc0e4a0267efd43 /drivers/usb/gadget/udc/aspeed-vhub | |
parent | efa2bebf2a9fde638644d6fb0fb776345ac6fcc1 (diff) | |
download | linux-220fafb4ed04187e9c17be4152da5a7f2ffbdd8c.tar.xz |
usb: aspeed-vhub: Fix refcount leak bug in ast_vhub_init_desc()
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>
Diffstat (limited to 'drivers/usb/gadget/udc/aspeed-vhub')
-rw-r--r-- | drivers/usb/gadget/udc/aspeed-vhub/hub.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/udc/aspeed-vhub/hub.c index 65cd4e46f031..e2207d014620 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c @@ -1059,8 +1059,10 @@ 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); |