diff options
| -rw-r--r-- | drivers/usb/gadget/function/uvc_configfs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 63b8d3758b38..cffa615b6db7 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -1565,6 +1565,12 @@ uvcg_uncompressed_##cname##_store(struct config_item *item, \ if (ret) \ goto end; \ \ + /* index values in uvc are never 0 */ \ + if (!num) { \ + ret = -EINVAL; \ + goto end; \ + } \ + \ u->desc.aname = num; \ ret = len; \ end: \ @@ -1758,6 +1764,12 @@ uvcg_mjpeg_##cname##_store(struct config_item *item, \ if (ret) \ goto end; \ \ + /* index values in uvc are never 0 */ \ + if (!num) { \ + ret = -EINVAL; \ + goto end; \ + } \ + \ u->desc.aname = num; \ ret = len; \ end: \ |