diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_ctrl.c')
| -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 a2f4501c23c..f61d1d7ba76 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1939,6 +1939,9 @@ int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, if (!found) return -ENOENT; + if (ctrl->info.size < mapping->size) + return -EINVAL; + if (mutex_lock_interruptible(&chain->ctrl_mutex)) return -ERESTARTSYS; |