From 090542641de833c6f756895fc2f139f046e298f9 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Sun, 15 Feb 2009 20:02:19 -0500
Subject: [PATCH] ext4: Fix NULL dereference in ext4_ext_migrate()'s error
 handling

This was found through a code checker (http://repo.or.cz/w/smatch.git/).
It looks like you might be able to trigger the error by trying to migrate
a readonly file system.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Reading git-format-patch failed