X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibSse2%2FSetMem32Wrapper.c;h=425840682d2ca589f0a0997be54e938073c1ac60;hb=30817eb4e418ea36a7245fddb2efdeab9526f455;hp=1ae7acb0132bf8bad4c1e8f2e638603b344f896e;hpb=533f039eb0bd2a1d5e7f11debb1379b048630021;p=mirror_edk2.git

diff --git a/MdePkg/Library/BaseMemoryLibSse2/SetMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibSse2/SetMem32Wrapper.c
index 1ae7acb013..425840682d 100644
--- a/MdePkg/Library/BaseMemoryLibSse2/SetMem32Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibSse2/SetMem32Wrapper.c
@@ -32,7 +32,7 @@
   Value, and returns Buffer. Value is repeated every 32-bits in for Length
   bytes of Buffer.
 
-  If Buffer is NULL and Length > 0, then ASSERT().
+  If Length > 0 and Buffer is NULL, then ASSERT().
   If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
   If Buffer is not aligned on a 32-bit boundary, then ASSERT().
   If Length is not aligned on a 32-bit boundary, then ASSERT().
@@ -41,24 +41,25 @@
   @param  Length  Number of bytes in Buffer to fill.
   @param  Value   Value with which to fill Length bytes of Buffer.
 
-  @return Buffer
+  @return Buffer.
 
 **/
 VOID *
 EFIAPI
 SetMem32 (
-  OUT     VOID                      *Buffer,
-  IN      UINTN                     Length,
-  IN      UINT32                    Value
+  OUT VOID   *Buffer,
+  IN UINTN   Length,
+  IN UINT32  Value
   )
 {
-  ASSERT (!(Buffer == NULL && Length > 0));
-  ASSERT (Length <= MAX_ADDRESS - (UINTN)Buffer + 1);
+  if (Length == 0) {
+    return Buffer;
+  }
+
+  ASSERT (Buffer != NULL);
+  ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
   ASSERT ((((UINTN)Buffer) & (sizeof (Value) - 1)) == 0);
   ASSERT ((Length & (sizeof (Value) - 1)) == 0);
 
-  if ((Length /= sizeof (Value)) == 0) {
-    return Buffer;
-  }
-  return InternalMemSetMem32 (Buffer, Length, Value);
+  return InternalMemSetMem32 (Buffer, Length / sizeof (Value), Value);
 }