From 3474b60aa010d3261d53a22260316830c16f0dc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Szaknis?= <m.szaknis@samsung.com>
Date: Wed, 9 Oct 2024 17:43:44 +0200
Subject: [PATCH] Fix clippy
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Signed-off-by: Michał Szaknis <m.szaknis@samsung.com>
---
 rmm/src/rmi/metadata.rs | 12 ++++++++----
 rmm/src/rsi/sealing.rs  | 10 +++++-----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/rmm/src/rmi/metadata.rs b/rmm/src/rmi/metadata.rs
index 7dcbc0f853e4..597587b8f45d 100644
--- a/rmm/src/rmi/metadata.rs
+++ b/rmm/src/rmi/metadata.rs
@@ -15,13 +15,17 @@ const FMT_VERSION: usize = 1;
 pub const REALM_ID_SIZE: usize = 128;
 pub const P384_PUBLIC_KEY_SIZE: usize = 96;
 const P384_SIGNATURE_SIZE: usize = P384_PUBLIC_KEY_SIZE;
+
+#[allow(dead_code)]
 const P385_SIGNATURE_POINT_SIZE: usize = P384_SIGNATURE_SIZE / 2;
+#[allow(dead_code)]
 const SHA_384_HASH_SIZE: usize = 48;
 
 const METADATA_HASH_SHA_256: usize = 0x01;
 const METADATA_HASH_SHA_512: usize = 0x02;
 
 const REALM_METADATA_HEADER_SIZE: usize = 0x150;
+#[allow(dead_code)]
 const REALM_METADATA_SIGNED_SIZE: usize = 0x1B0;
 const REALM_METADATA_UNUSED_SIZE: usize = 0xE50;
 
@@ -59,7 +63,7 @@ impl IsletRealmMetadata {
         let g_realm_metadata = get_granule_if!(metadata_addr, GranuleState::Undelegated)?;
         let realm_metadata = g_realm_metadata.content::<Self>()?;
 
-        Ok(realm_metadata.clone())
+        Ok(*realm_metadata)
     }
 
     fn realm_id_as_str(&self) -> Option<&str> {
@@ -90,11 +94,11 @@ impl IsletRealmMetadata {
 
     fn verifying_key(&self) -> core::result::Result<VerifyingKey, Error> {
         let point = EncodedPoint::from_untagged_bytes(GenericArray::from_slice(&self.public_key));
-        Ok(VerifyingKey::from_encoded_point(&point).or(Err(Error::RmiErrorInput))?)
+        VerifyingKey::from_encoded_point(&point).or(Err(Error::RmiErrorInput))
     }
 
     fn signature(&self) -> core::result::Result<Signature, Error> {
-        Ok(Signature::from_slice(&self.signature).or(Err(Error::RmiErrorInput))?)
+        Signature::from_slice(&self.signature).or(Err(Error::RmiErrorInput))
     }
 
     fn header_as_u8_slice(&self) -> &[u8] {
@@ -152,7 +156,7 @@ impl IsletRealmMetadata {
     }
 
     pub fn equal_rd_rim(&self, rim: &Measurement) -> bool {
-        rim.as_slice() == &self.rim
+        rim.as_slice() == self.rim
     }
 
     pub fn equal_rd_hash_algo(&self, hash_algo: u8) -> bool {
diff --git a/rmm/src/rsi/sealing.rs b/rmm/src/rsi/sealing.rs
index 530b5a654d8e..8feb15d0a92b 100644
--- a/rmm/src/rsi/sealing.rs
+++ b/rmm/src/rsi/sealing.rs
@@ -96,7 +96,7 @@ impl KdfInfo {
         let info = self.as_u8_slice();
 
         let hkdf = hkdf::Hkdf::<sha2::Sha256>::new(Some(&SALT), &ikm);
-        hkdf.expand(&info, okm).or(Err(Error::RmiErrorInput))?;
+        hkdf.expand(info, okm).or(Err(Error::RmiErrorInput))?;
 
         Ok(())
     }
@@ -124,10 +124,10 @@ pub fn realm_sealing_key(
             Err(Error::RmiErrorInput)?
         }
 
-        info.public_key = metadata.public_key().clone();
+        info.public_key = *metadata.public_key();
 
         if flags & RSI_ISLET_SLK_REALM_ID != 0 {
-            info.realm_id = metadata.realm_id().clone();
+            info.realm_id = *metadata.realm_id();
         }
 
         if flags & RSI_ISLET_SLK_SVN != 0 {
@@ -140,7 +140,7 @@ pub fn realm_sealing_key(
     // is always used as the key material.
     if flags & RSI_ISLET_SLK_RIM != 0 || rd.metadata().is_none() {
         let mut rim = Measurement::empty();
-        crate::rsi::measurement::read(&rd, MEASUREMENTS_SLOT_RIM, &mut rim)?;
+        crate::rsi::measurement::read(rd, MEASUREMENTS_SLOT_RIM, &mut rim)?;
         info.rim.copy_from_slice(rim.as_slice());
     }
 
@@ -153,7 +153,7 @@ pub fn realm_sealing_key(
             "VHUK_A"
         }
     );
-    info.derive_sealing_key(flags & RSI_ISLET_USE_VHUK_M != 0, buf);
+    info.derive_sealing_key(flags & RSI_ISLET_USE_VHUK_M != 0, buf)?;
 
     // Clear the input key material
     info.zeroize();