in optee-utee/src/object.rs [235:240]
fn restrict_usage(&mut self, obj_usage: UsageFlag) -> Result<()> {
match unsafe { raw::TEE_RestrictObjectUsage1(self.handle(), obj_usage.bits()) } {
raw::TEE_SUCCESS => Ok(()),
code => Err(Error::from_raw_error(code)),
}
}