kernel/drivers/media/usb/uvc/uvc_entity.c
.. .. @@ -37,7 +37,7 @@ 37 37 continue; 38 38 39 39 remote = uvc_entity_by_id(chain->dev, entity->baSourceID[i]); 40 - if (remote == NULL)40 + if (remote == NULL || remote->num_pads == 0)41 41 return -EINVAL; 42 42 43 43 source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING)