Correct the wrong '?' character to '-', and add check DestinationBuffer == SourceBuff...

[mirror_edk2.git] / MdePkg / Library / DxeMemoryLib / ScanMem64Wrapper.c

diff --git a/MdePkg/Library/DxeMemoryLib/ScanMem64Wrapper.c b/MdePkg/Library/DxeMemoryLib/ScanMem64Wrapper.c
index aea67e1fdc795b8219c7e9edd1c67dae3471ea9d..b80921b2a681e3402717cdbc9c520b58fb714b32 100644 (file)
--- a/MdePkg/Library/DxeMemoryLib/ScanMem64Wrapper.c
+++ b/MdePkg/Library/DxeMemoryLib/ScanMem64Wrapper.c
@@ -34,7 +34,7 @@
   If Length > 0 and Buffer is NULL, then ASSERT().\r
   If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
   If Length is not aligned on a 64-bit boundary, then ASSERT().\r
-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). \r
+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
 \r
   @param  Buffer      Pointer to the target buffer to scan.\r
   @param  Length      Number of bytes in Buffer to scan.\r