From 0b892e8479a03e124f9485ee7a5fa3f5f9a74687 Mon Sep 17 00:00:00 2001
From: Blair Campbell <blairdude@gmail.com>
Date: Tue, 25 Jul 2006 02:33:01 +0000
Subject: [PATCH] Bugfix for certain FAT32 files

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1253 6ac86273-5f31-0410-b378-82cca8765d1b
---
 kernel/fattab.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/fattab.c b/kernel/fattab.c
index f6aafe2..07a02e4 100644
--- a/kernel/fattab.c
+++ b/kernel/fattab.c
@@ -274,7 +274,7 @@ CLUSTER link_fat(struct dpb FAR * dpbp, CLUSTER Cluster1,
   {
     /* form an index so that we can read the block as a     */
     /* byte array                                           */
-    UDWORD res = fgetlong(&bp->b_buffer[idx * 4]);
+    UDWORD res = fgetlong(&bp->b_buffer[idx * 4]) & LONG_LAST_CLUSTER;
     if (Cluster2 == READ_CLUSTER)
     {
       if (res > LONG_BAD)
@@ -284,7 +284,7 @@ CLUSTER link_fat(struct dpb FAR * dpbp, CLUSTER Cluster1,
     }
     /* Finally, put the word into the buffer and mark the   */
     /* buffer as dirty.                                     */
-    fputlong(&bp->b_buffer[idx * 4], Cluster2);
+    fputlong(&bp->b_buffer[idx * 4], Cluster2 & LONG_LAST_CLUSTER);
     if (res == FREE)
       wasfree++;
   }