This is a note to let you know that I've just added the patch titled usb: gadget: hid: fix error return code in hid_bind() to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-gadget-hid-fix-error-return-code-in-hid_bind.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 455e966745eb651ec48cfeb9eebb9e9b8a84291e Author: Yang Yingliang <yangyingliang@xxxxxxxxxx> Date: Fri Jun 18 12:38:35 2021 +0800 usb: gadget: hid: fix error return code in hid_bind() [ Upstream commit 88693f770bb09c196b1eb5f06a484a254ecb9924 ] Fix to return a negative error code from the error handling case instead of 0. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210618043835.2641360-1-yangyingliang@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index c4eda7fe7ab4..5b27d289443f 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -171,8 +171,10 @@ static int hid_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 put; + } usb_otg_descriptor_init(gadget, usb_desc); otg_desc[0] = usb_desc; otg_desc[1] = NULL;