Re: [PATCH] SignedCapsulePkg/CapsuleLib: Refine to compare with same type

["Yao, Jiewen" <jiewen.yao@intel.com>]

Reviewed-by: Jiewen.yao@intel.com

> -----Original Message-----
> From: Wu, Hao A
> Sent: Friday, January 6, 2017 4:56 PM
> To: edk2-devel@lists.01.org
> Cc: Wu, Hao A <hao.a.wu@intel.com>; Zhang, Chao B <chao.b.zhang@intel.com>;
> Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [PATCH] SignedCapsulePkg/CapsuleLib: Refine to compare with same
> type
> 
> Cc: Chao Zhang <chao.b.zhang@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Hao Wu <hao.a.wu@intel.com>
> ---
>  .../Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.c             | 4
> ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git
> a/SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.c
> b/SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.c
> index 1820551..dfd8d10 100644
> --- a/SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.c
> +++
> b/SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.c
> @@ -6,7 +6,7 @@
>    CapsuleAuthenticateSystemFirmware(), ExtractAuthenticatedImage() will
> receive
>    untrusted input and do basic validation.
> 
> -  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> +  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
>    This program and the accompanying materials
>    are licensed and made available under the terms and conditions of the BSD
> License
>    which accompanies this distribution.  The full text of the license may be
> found at
> @@ -386,7 +386,7 @@ ExtractAuthenticatedImage (
>      DEBUG((DEBUG_ERROR, "ExtractAuthenticatedImage - dwLength too
> small\n"));
>      return FALSE;
>    }
> -  if (ImageAuth->AuthInfo.Hdr.dwLength > MAX_UINTN - sizeof(UINT64)) {
> +  if ((UINTN) ImageAuth->AuthInfo.Hdr.dwLength > MAX_UINTN -
> sizeof(UINT64)) {
>      DEBUG((DEBUG_ERROR, "ExtractAuthenticatedImage - dwLength too
> big\n"));
>      return FALSE;
>    }
> --
> 1.9.5.msysgit.0