Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / fs / ntfs / mft.c

diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index b572b672718110e317a6895698bdf612b2e8eced..326e7475a22a40d1323be1786ffa089ffb3182e7 100644 (file)
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -1,7 +1,7 @@
 /**
  * mft.c - NTFS kernel mft record operations. Part of the Linux-NTFS project.
  *
- * Copyright (c) 2001-2006 Anton Altaparmakov
+ * Copyright (c) 2001-2011 Anton Altaparmakov and Tuxera Inc.
  * Copyright (c) 2002 Richard Russon
  *
  * This program/include file is free software; you can redistribute it and/or
@@ -2576,6 +2576,8 @@ mft_rec_already_initialized:
        flush_dcache_page(page);
        SetPageUptodate(page);
        if (base_ni) {
+               MFT_RECORD *m_tmp;
+
                /*
                 * Setup the base mft record in the extent mft record.  This
                 * completes initialization of the allocated extent mft record
@@ -2588,11 +2590,11 @@ mft_rec_already_initialized:
                 * attach it to the base inode @base_ni and map, pin, and lock
                 * its, i.e. the allocated, mft record.
                 */
-               m = map_extent_mft_record(base_ni, bit, &ni);
-               if (IS_ERR(m)) {
+               m_tmp = map_extent_mft_record(base_ni, bit, &ni);
+               if (IS_ERR(m_tmp)) {
                        ntfs_error(vol->sb, "Failed to map allocated extent "
                                        "mft record 0x%llx.", (long long)bit);
-                       err = PTR_ERR(m);
+                       err = PTR_ERR(m_tmp);
                        /* Set the mft record itself not in use. */
                        m->flags &= cpu_to_le16(
                                        ~le16_to_cpu(MFT_RECORD_IN_USE));
@@ -2603,6 +2605,7 @@ mft_rec_already_initialized:
                        ntfs_unmap_page(page);
                        goto undo_mftbmp_alloc;
                }
+               BUG_ON(m != m_tmp);
                /*
                 * Make sure the allocated mft record is written out to disk.
                 * No need to set the inode dirty because the caller is going