561 	struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_has_msg()  local
563 	return (parser->push_pos != parser->pull_pos);  in ff400_has_msg()
658 			struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_handle_msg()  local
660 			parser->msgs[parser->push_pos].msg = quad;  in ff400_handle_msg()
661 			parser->msgs[parser->push_pos].tstamp = tstamp;  in ff400_handle_msg()
662 			++parser->push_pos;  in ff400_handle_msg()
663 			if (parser->push_pos >= FF400_QUEUE_SIZE)  in ff400_handle_msg()
664 				parser->push_pos = 0;  in ff400_handle_msg()
684 	struct ff400_msg_parser *parser = ff->msg_parser;  in ff400_copy_msg_to_user()  local
688 	if (count < sizeof(ev) || parser->pull_pos == parser->push_pos)  in ff400_copy_msg_to_user()
694 	while (count >= sizeof(*parser->msgs) && parser->pull_pos != parser->push_pos) {  in ff400_copy_msg_to_user()
696 		if (copy_to_user(buf + consumed, parser->msgs + parser->pull_pos,  in ff400_copy_msg_to_user()
697 				 sizeof(*parser->msgs)))  in ff400_copy_msg_to_user()
703 		++parser->pull_pos;  in ff400_copy_msg_to_user()
704 		if (parser->pull_pos >= FF400_QUEUE_SIZE)  in ff400_copy_msg_to_user()
705 			parser->pull_pos = 0;  in ff400_copy_msg_to_user()
707 		count -= sizeof(*parser->msgs);  in ff400_copy_msg_to_user()
708 		consumed += sizeof(*parser->msgs);  in ff400_copy_msg_to_user()