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

[mirror_edk2.git] / MdePkg / Library / PeiMemoryLib / ScanMem32Wrapper.c

diff --git a/MdePkg/Library/PeiMemoryLib/ScanMem32Wrapper.c b/MdePkg/Library/PeiMemoryLib/ScanMem32Wrapper.c
index f3518b7d8778ac0ebd78f2c73325ee2d5defdaa0..e80d730548db5235d0f508aa2e99a6bf4671d7bf 100644 (file)
--- a/MdePkg/Library/PeiMemoryLib/ScanMem32Wrapper.c
+++ b/MdePkg/Library/PeiMemoryLib/ScanMem32Wrapper.c
@@ -34,7 +34,7 @@
   If Length > 0 and Buffer is NULL, then ASSERT().\r
   If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
   If Length is not aligned on a 32-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