From: Anton Altaparmakov <aia21@cantab.net>
Date: Wed, 19 Oct 2005 11:23:10 +0000 (+0100)
Subject: NTFS: Fix serious data corruption issue when writing.
X-Git-Tag: v2.6.15-rc1~59^2~4^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5aeaef37dc9cb009ab5cb8abf325338d21d2b1a;p=linux-2.6

NTFS: Fix serious data corruption issue when writing.
      Many thanks to Alberto Patino for testing and reporting the data
      corruption.  And many apologies for corrupting his partition.

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
---

diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 5fb341a16b..a142bf3ba1 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -787,6 +787,7 @@ retry_remap:
 				vcn_len = rl[1].vcn - vcn;
 				lcn_block = lcn << (vol->cluster_size_bits -
 						blocksize_bits);
+				cdelta = 0;
 				/*
 				 * If the number of remaining clusters in the
 				 * @pages is smaller or equal to the number of