Code clean up

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5941 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 5 insertions, 1 deletions

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/CompareMemWrapper.c b/MdePkg/Library/BaseMemoryLibOptPei/CompareMemWrapper.c
index 59c2794b1f..40edda418d 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/CompareMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibOptPei/CompareMemWrapper.c
@@ -45,7 +45,7 @@
   @param  SourceBuffer      Pointer to the source buffer to compare.

   @param  Length            Number of bytes to compare.

 

-  @return 0                 All Length bytes of the two buffers are identical.

+  @retval 0                 All Length bytes of the two buffers are identical.

   @retval Non-zero          The first mismatched byte in SourceBuffer subtracted from the first

                             mismatched byte in DestinationBuffer.

 

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
index e87996a885..398f9ab444 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibOptPei/ZeroMemWrapper.c
@@ -50,5 +50,9 @@ ZeroMem (
 {

   ASSERT (!(Buffer == NULL && Length > 0));

   ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));

+  if (Length == 0) {

+  	return Buffer;

+  }  

+  

   return InternalMemZeroMem (Buffer, Length);

 }