1 files changed, 3 insertions, 0 deletions
diff --git a/Marshal_Sign.c b/Marshal_Sign.c
index fc6014c..baef51d 100644
--- a/Marshal_Sign.c
+++ b/Marshal_Sign.c
@@ -54,6 +54,9 @@ TPM_RC Sign_In_Unmarshal(Sign_In* target,
   if (result != TPM_RC_SUCCESS) {
     return result;
   }
+  if ((result == TPM_RC_SUCCESS) && *size) {
+    result = TPM_RC_SIZE;
+  }
   return result;
 }