diff options
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 067b43a1cb3e..6d7535efc09d 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1347,6 +1347,9 @@ int uvc_query_v4l2_menu(struct uvc_video_chain *chain, query_menu->id = id; query_menu->index = index; + if (index >= BITS_PER_TYPE(mapping->menu_mask)) + return -EINVAL; + ret = mutex_lock_interruptible(&chain->ctrl_mutex); if (ret < 0) return -ERESTARTSYS; |