CryptoPkg: Add some comments for API usage clarification.

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / Pk / CryptX509.c

diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
index 02851d5701498537e0e4a5c1877756ba1b1e2b1b..70b135a754e98e07028de4237c5f510ccc91a9da 100644 (file)
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
@@ -67,7 +67,7 @@ X509ConstructCertificate (
 \r
   If X509Stack is NULL, then return FALSE.\r
 \r
-  @param[in, out]  X509Stack  On input, pointer to an existing X509 stack object.\r
+  @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 stack object.\r
                               On output, pointer to the X509 stack object with new\r
                               inserted X509 certificate.\r
   @param           ...        A list of DER-encoded single certificate data followed\r
@@ -132,6 +132,7 @@ X509ConstructCertificateStack (
     //\r
     // Construct X509 Object from the given DER-encoded certificate data.\r
     //\r
+    X509Cert = NULL;\r
     Status = X509ConstructCertificate (\r
                (CONST UINT8 *) Cert,\r
                CertSize,\r