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-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c2
-rw-r--r--MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c2
8 files changed, 8 insertions, 8 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c
index 1886da59df..3be161278c 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/CompareMemWrapper.c
@@ -55,7 +55,7 @@ CompareMem (
IN UINTN Length
)
{
- if (0 == Length) {
+ if (Length == 0 || DestinationBuffer == SourceBuffer) {
return 0;
}
ASSERT (DestinationBuffer != NULL);
diff --git a/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c
index 15e5294d9f..0d46ab92f5 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c
@@ -104,7 +104,7 @@ CompareGuid (
If Length > 0 and Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 32-bit boundary, then ASSERT().
If Length is not aligned on a 128-bit boundary, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to scan.
@param Length Number of bytes in Buffer to scan.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c
index d746c8fc60..083400743f 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem16Wrapper.c
@@ -36,7 +36,7 @@
If Length > 0 and Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 16-bit boundary, then ASSERT().
If Length is not aligned on a 16-bit boundary, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to scan.
@param Length Number of bytes in Buffer to scan.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c
index d6681deecf..25aa05b0a0 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem32Wrapper.c
@@ -36,7 +36,7 @@
If Length > 0 and Buffer is NULL, 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().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to scan.
@param Length Number of bytes in Buffer to scan.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c
index 6d8d8c9d95..da7834c68c 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem64Wrapper.c
@@ -36,7 +36,7 @@
If Length > 0 and Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 64-bit boundary, then ASSERT().
If Length is not aligned on a 64-bit boundary, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to scan.
@param Length Number of bytes in Buffer to scan.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c
index ce4eed606a..1396fa1e49 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ScanMem8Wrapper.c
@@ -34,7 +34,7 @@
then a pointer to the matching byte in the target buffer is returned. If no match is found,
then NULL is returned. If Length is 0, then NULL is returned.
If Length > 0 and Buffer is NULL, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to scan.
@param Length Number of bytes in Buffer to scan.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c
index 1c1a289b53..77e3b326fd 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/SetMemWrapper.c
@@ -29,7 +29,7 @@
Fills a target buffer with a byte value, and returns the target buffer.
This function fills Length bytes of Buffer with Value, and returns Buffer.
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Memory to set.
@param Length Number of bytes to set.
diff --git a/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
index 00205b1908..dcebcf5ee6 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
+++ b/MdePkg/Library/BaseMemoryLibMmx/ZeroMemWrapper.c
@@ -30,7 +30,7 @@
This function fills Length bytes of Buffer with zeros, and returns Buffer.
If Length > 0 and Buffer is NULL, then ASSERT().
- If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@param Buffer Pointer to the target buffer to fill with zeros.
@param Length Number of bytes in Buffer to fill with zeros.