* cs_parser_fini() - clean parser states
* @parser: parser structure holding parsing context.
* @error: error number
+ * @backoff: indicator to backoff the reservation
*
* If error is set than unvalidate buffer, otherwise just free memory
* used by parsing context.
* @parser: command submission parser context
* @addr: VM address
* @bo: resulting BO of the mapping found
+ * @map: Placeholder to return found BO mapping
*
* Search the buffer objects in the command submission context for a certain
* virtual memory address. Returns allocation structure when found, NULL