From: Yang Yingliang yangyingliang@huawei.com
commit c91d3a6bcaa031f551ba29a496a8027b31289464 upstream.
If usb_otg_descriptor_alloc() failed, it need return ENOMEM.
Fixes: 578aa8a2b12c ("usb: gadget: acm_ms: allocate and init otg descriptor by otg capabilities") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Cc: stable stable@vger.kernel.org Link: https://lore.kernel.org/r/20201117092955.4102785-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/usb/gadget/legacy/acm_ms.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -200,8 +200,10 @@ static int acm_ms_bind(struct usb_compos struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(gadget); - if (!usb_desc) + if (!usb_desc) { + status = -ENOMEM; goto fail_string_ids; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL;