From b07753fedeb305ac28a905bdbe3e110591911ab8 Mon Sep 17 00:00:00 2001
From: Eugene Wang <8755753+soukoku@users.noreply.github.com>
Date: Mon, 2 Feb 2026 22:45:53 -0500
Subject: [PATCH] Fix wrong ptr being used in Unlock().

---
 src/NTwain/TransferLoopThread.Logic.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/NTwain/TransferLoopThread.Logic.cs b/src/NTwain/TransferLoopThread.Logic.cs
index 75ef10b..8835bfc 100644
--- a/src/NTwain/TransferLoopThread.Logic.cs
+++ b/src/NTwain/TransferLoopThread.Logic.cs
@@ -241,7 +241,7 @@ partial class TransferLoopThread
         }
         finally
         {
-            if (lockedPtr != IntPtr.Zero) _twain.MemoryManager.Unlock(lockedPtr);
+            if (lockedPtr != IntPtr.Zero) _twain.MemoryManager.Unlock(dataPtr);
             if (dataPtr != IntPtr.Zero) _twain.MemoryManager.Free(dataPtr);
         }
     }
@@ -332,7 +332,7 @@ partial class TransferLoopThread
         }
         finally
         {
-            if (lockedPtr != IntPtr.Zero) _twain.MemoryManager.Unlock(lockedPtr);
+            if (lockedPtr != IntPtr.Zero) _twain.MemoryManager.Unlock(dataPtr);
             if (dataPtr != IntPtr.Zero) _twain.MemoryManager.Free(dataPtr);
         }
     }