devices: simplify TPM handling
The error is never propagated anywhere. Drop it.
Avoid unwrapping unconditionally.
@@ -22,8 +22,6 @@ pub enum Error {
CheckCaps(#[source] anyhow::Error),
#[error("Failed to initialize tpm: {0}")]
Init(#[source] anyhow::Error),
- #[error("Failed to deliver tpm Command: {0}")]
- DeliverRequest(#[source] anyhow::Error),
}
type Result<T> = anyhow::Result<T, Error>;
@@ -483,15 +481,12 @@ impl BusDevice for Tpm {
};
let mut cmd = cmd.clone();
- let output = self.emulator.deliver_request(&mut cmd).map_err(|e| {
- Error::DeliverRequest(anyhow!(
- "Failed to deliver tpm request. Error :{:?}",
- e
- ))
- });
+
+ if let Ok(output) = self.emulator.deliver_request(&mut cmd) {
// TODO: drop the copy here
self.data_buff.fill(0);
- self.data_buff.clone_from_slice(output.unwrap().as_slice());
+ self.data_buff.clone_from_slice(output.as_slice());
+ }
self.request_completed(TPM_SUCCESS as isize);
}
