usb: gadget: uvc: use capped length value

"req->length" is a capped version of "data->length".

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dan Carpenter 2013-03-14 11:01:05 +03:00 committed by Felipe Balbi
parent a33bb21208
commit a5eaaa1f33

View File

@ -42,7 +42,7 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data)
req->length = min_t(unsigned int, uvc->event_length, data->length);
req->zero = data->length < uvc->event_length;
memcpy(req->buf, data->data, data->length);
memcpy(req->buf, data->data, req->length);
return usb_ep_queue(cdev->gadget->ep0, req, GFP_KERNEL);
}