MdeMoudlePkg/CapsulePei: No need to remain space for null-terminate

[mirror_edk2.git] / MdeModulePkg / Universal / CapsulePei / UefiCapsule.c

diff --git a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
index 3ac95b7be67c994c1812dec4aa1f11a2a41ceb2e..8d4ae69bb2e9f14c0257577c2518d855bf4c8aea 100644 (file)
--- a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
+++ b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
@@ -922,7 +922,7 @@ GetScatterGatherHeadEntries (
     if (Index != 0) {\r
       UnicodeValueToStringS (\r
         TempVarName,\r
-        (sizeof (CapsuleVarName) - ((StrLen (CapsuleVarName) + 1) * sizeof (CHAR16))),\r
+        (sizeof (CapsuleVarName) - ((UINTN)TempVarName - (UINTN)CapsuleVarName)),\r
         0,\r
         Index,\r
         0\r