From ce507b55db298acc385857a3cfd2f1c17798ed07 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Tue, 17 Nov 2020 17:29:55 +0800 Subject: [PATCH] USB: gadget: legacy: fix return error code in acm_ms_bind() 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 Signed-off-by: Yang Yingliang Cc: stable Link: https://lore.kernel.org/r/20201117092955.4102785-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/legacy/acm_ms.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c index af16672d5118..6680dcfe660e 100644 --- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -203,8 +203,10 @@ static int acm_ms_bind(struct usb_composite_dev *cdev) 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;