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path: root/MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c
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Diffstat (limited to 'MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c')
-rw-r--r--MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c b/MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c
index ae7accc86f..c62cfe0354 100644
--- a/MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c
+++ b/MdePkg/Library/DxeMemoryLib/CompareMemWrapper.c
@@ -53,7 +53,7 @@ CompareMem (
IN UINTN Length
)
{
- if (Length == 0) {
+ if (Length == 0 || DestinationBuffer == SourceBuffer) {
return 0;
}
ASSERT (DestinationBuffer != NULL);