X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FLibrary%2FExtendedIfrSupportLib%2FCommon.c;h=56f2b79a7145cabd6013e783f8bbee41d697baac;hp=a5c3f1567b8e4dbb06198d87f39693d12c9f63d5;hb=3a306c100673a9be5c8481361671b7ed5e2c4495;hpb=8a38e4510e0c59526dc75784b67374d92b063c47

diff --git a/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c b/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
index a5c3f1567b..56f2b79a71 100644
--- a/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
+++ b/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
@@ -117,7 +117,7 @@ IfrLibExtractClassFromHiiHandle (
   //
   Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
   Offset2 = 0;
-  CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));
+  PackageListLength = ReadUnaligned32 (&HiiPackageList->PackageLength);
 
   while (Offset < PackageListLength) {
     Package = ((UINT8 *) HiiPackageList) + Offset;