MdePkg: Clean up source files

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / ZeroMemWrapper.c

diff --git a/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
index 2a0a038fd6c5aabfbd27cf1b3397e4b9021f000d..9ab315b8cfe3758050375bc7980cc6cb8632c206 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
@@ -11,8 +11,8 @@
     BaseMemoryLibOptPei\r
     PeiMemoryLib\r
     UefiMemoryLib\r
-    \r
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+\r
+  Copyright (c) 2006 - 2018, 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
@@ -29,7 +29,7 @@
   Fills a target buffer with zeros, and returns the target buffer.\r
 \r
   This function fills Length bytes of Buffer with zeros, and returns Buffer.\r
-  \r
+\r
   If Length > 0 and Buffer is NULL, then ASSERT().\r
   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
 \r
@@ -46,7 +46,11 @@ ZeroMem (
   IN UINTN  Length\r
   )\r
 {\r
-  ASSERT (!(Buffer == NULL && Length > 0));\r
+  if (Length == 0) {\r
+    return Buffer;\r
+  }\r
+\r
+  ASSERT (Buffer != NULL);\r
   ASSERT (Length <= (MAX_ADDRESS - (UINTN)Buffer + 1));\r
   return InternalMemZeroMem (Buffer, Length);\r
 }\r