only parse userdata if type is equal to known user data type

LukeFZ · Aug 4, 2024 · 2fbf765 · 2fbf765
1 parent 563a657
commit 2fbf765
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/XvdTool.Streaming/StreamedXvdFile.cs b/XvdTool.Streaming/StreamedXvdFile.cs
@@ -146,12 +146,12 @@ private void ParseUserData()
         using var userDataReader = new BinaryReader(new MemoryStream(userData));
 
         _userDataHeader = userDataReader.ReadStruct<XvdUserDataHeader>();
-        _hasUserData = true;
-
-        userDataReader.BaseStream.Position = _userDataHeader.Length;
-
         if (_userDataHeader.Type == XvdUserDataType.PackageFiles)
         {
+            _hasUserData = true;
+
+            userDataReader.BaseStream.Position = _userDataHeader.Length;
+
             _userDataPackageFilesHeader = userDataReader.ReadStruct<XvdUserDataPackageFilesHeader>();
             Debug.Assert(int.MaxValue > _userDataPackageFilesHeader.FileCount, "int.MaxValue > _userDataPackageFilesHeader.FileCount");