[pkg/amd/psb] Satisfy the linter

Signed-off-by: Dmitrii Okunev <xaionaro@meta.com>

Author: xaionaro

pkg/amd/psb/keys_test.go

@@ -50,7 +50,8 @@ func (suite *KeySuite) TestKeySetAddKey() {
 	assert.NoError(suite.T(), err)
 
 	keySet := NewKeySet()
-	keySet.AddKey(rootKey, AMDRootKey)
+	err = keySet.AddKey(rootKey, AMDRootKey)
+	assert.NoError(suite.T(), err)
 
 	assert.Equal(suite.T(), 1, len(keySet.AllKeyIDs()))
 	assert.NotNil(suite.T(), keySet.GetKey(KeyID(rootKeyID)))
@@ -85,7 +86,8 @@ func (suite *KeySuite) TestOEMKeyFields() {
 
 	// parse root key and use it to validate token key
 	keySet := NewKeySet()
-	keySet.AddKey(rootKey, AMDRootKey)
+	err = keySet.AddKey(rootKey, AMDRootKey)
+	assert.NoError(suite.T(), err)
 
 	key, err := NewTokenKey(bytes.NewBuffer(oemSigningKey), keySet)
 	assert.NoError(suite.T(), err)

pkg/amd/psb/keyset.go

@@ -95,7 +95,11 @@ func (kdb KeySet) KeysetFromType(keyType KeyType) (KeySet, error) {
 		if key == nil {
 			return NewKeySet(), newErrInvalidFormat(fmt.Errorf("KeySet in inconsistent state, no key is present with keyID %s", keyID.Hex()))
 		}
-		keySet.AddKey(key, keyType)
+
+		err := keySet.AddKey(key, keyType)
+		if err != nil {
+			return NewKeySet(), fmt.Errorf("unable to add key %s: %w", keyID, err)
+		}
 	}
 	return keySet, nil
 }