AsciiStrLen is one byte too short, thus whether the space allocated is really
sufficient and whether the resultant string is really null-terminated becomes
implementation-dependent. An explicitly compile-time string length calculation
might be even more ideal, but AsciiStrSize matches usage elsewhere in the
codebase.

Signed-off-by: Mike Beaton <mjsbeaton@gmail.com>
---
 MdeModulePkg/Universal/HiiDatabaseDxe/ConfigKeywordHandler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigKeywordHandler.c b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigKeywordHandler.c
index 96e05d4cf9..f67b7760f0 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigKeywordHandler.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/ConfigKeywordHandler.c
@@ -1987,7 +1987,7 @@ GetNameFromId (
                    NULL
                    );
   if (BestLanguage == NULL) {
-    BestLanguage = AllocateCopyPool (AsciiStrLen ("en-US"), "en-US");
+    BestLanguage = AllocateCopyPool (AsciiStrSize ("en-US"), "en-US");
     ASSERT (BestLanguage != NULL);
   }
 
-- 
2.41.0



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