Adjust code to fix potential array out-bound issues.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7502 6f19259b-4bc3-4df7-8a09-765794883524
2009-02-11 07:05:43 +00:00
parent 51195fbe8c
commit 96a5ac5b0d
4 changed files with 19 additions and 6 deletions
--- a/MdeModulePkg/Universal/Variable/Pei/VariableWorker.c
+++ b/MdeModulePkg/Universal/Variable/Pei/VariableWorker.c
@ -48,7 +48,9 @@ VariableIndexTableUpdate (
  IN      VARIABLE_HEADER        *Variable
  )
 {
-  IndexTable->Index[IndexTable->Length++] = (UINT16) (UINTN) Variable;
+  if (IndexTable->Length < VARIABLE_INDEX_TABLE_VOLUME) {
+    IndexTable->Index[IndexTable->Length++] = (UINT16) (UINTN) Variable;
+  }

  return;
 }