From ce025a34eab5521586a6853669019d8002dbe8d0 Mon Sep 17 00:00:00 2001
From: "cantab.net!aia21" <cantab.net!aia21>
Date: Fri, 13 Dec 2002 15:06:29 +0000
Subject: [PATCH] Add sanity check to ntfs_inode_close() to detect attempts at
 closing extent inodes.

(Logical change 1.43)
---
 libntfs/inode.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libntfs/inode.c b/libntfs/inode.c
index ceb3e22b..f40ae1ea 100644
--- a/libntfs/inode.c
+++ b/libntfs/inode.c
@@ -194,9 +194,17 @@ err_out:
  * and call ntfs_inode_close() again. The following error codes are defined:
  *
  *	EBUSY	@ni is dirty and/or the attribute list runlist is dirty.
+ *	EINVAL	@ni is invalid (probably it is an extent inode!)
  */
 int ntfs_inode_close(ntfs_inode *ni)
 {
+	/* If the inode is an extent inode, comply rudely! */
+	if (ni->nr_extents == -1) {
+		Dprintf("%s(): BUG: Tried to close extent inode!\n",
+				__FUNCTION__);
+		errno = EINVAL;
+		return -1;
+	}
 	// TODO: This needs to be replaced with a flush to disk attempt. (AIA)
 	if (NInoDirty(ni) || NInoAttrListDirty(ni)) {
 		errno = EBUSY;