P9_RERROR         391 net/9p/conv.c  	case P9_RERROR:
P9_RERROR         209 net/9p/fcprint.c 	case P9_RERROR:
P9_RERROR         663 net/9p/trans_fd.c 	if (!req->err && req->rcall->id == P9_RERROR) {