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

[mirror_edk2.git] / MdePkg / Library / DxeMemoryLib / ScanMem8Wrapper.c

diff --git a/MdePkg/Library/DxeMemoryLib/ScanMem8Wrapper.c b/MdePkg/Library/DxeMemoryLib/ScanMem8Wrapper.c
index aaaa75f70c53eca27d0bbe45a8367cee09658a4d..d9cd42d9dbde65f9bb9fab53897c2a0c435564ba 100644 (file)
--- a/MdePkg/Library/DxeMemoryLib/ScanMem8Wrapper.c
+++ b/MdePkg/Library/DxeMemoryLib/ScanMem8Wrapper.c
@@ -33,7 +33,7 @@
   then a pointer to the matching byte in the target buffer is returned.  If no match is found,\r
   then NULL is returned.  If Length is 0, then NULL is returned.\r
   If Length > 0 and Buffer is NULL, 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