SecurityPkg/FmpAuthenticationLib: Refine to compare with same type

[mirror_edk2.git] / SecurityPkg / Library / FmpAuthenticationLibRsa2048Sha256 / FmpAuthenticationLibRsa2048Sha256.c

diff --git a/SecurityPkg/Library/FmpAuthenticationLibRsa2048Sha256/FmpAuthenticationLibRsa2048Sha256.c b/SecurityPkg/Library/FmpAuthenticationLibRsa2048Sha256/FmpAuthenticationLibRsa2048Sha256.c
index 4b2556cc905a47a24284a9def7b58a1ea5b954d3..b40993fd1b000b3fe8331eeb2b358c5f33dc0509 100644 (file)
--- a/SecurityPkg/Library/FmpAuthenticationLibRsa2048Sha256/FmpAuthenticationLibRsa2048Sha256.c
+++ b/SecurityPkg/Library/FmpAuthenticationLibRsa2048Sha256/FmpAuthenticationLibRsa2048Sha256.c
@@ -10,7 +10,7 @@
   FmpAuthenticatedHandlerRsa2048Sha256(), AuthenticateFmpImage() will receive\r
   untrusted input and do basic validation.\r
 \r
-  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -319,7 +319,7 @@ AuthenticateFmpImage (
     DEBUG((DEBUG_ERROR, "AuthenticateFmpImage - dwLength too small\n"));\r
     return RETURN_INVALID_PARAMETER;\r
   }\r
-  if (Image->AuthInfo.Hdr.dwLength > MAX_UINTN - sizeof(UINT64)) {\r
+  if ((UINTN) Image->AuthInfo.Hdr.dwLength > MAX_UINTN - sizeof(UINT64)) {\r
     DEBUG((DEBUG_ERROR, "AuthenticateFmpImage - dwLength too big\n"));\r
     return RETURN_INVALID_PARAMETER;\r
   }\r