From 32a9bb57d7c1fd04ae0f72b8f671501f000a0e9f Mon Sep 17 00:00:00 2001
From: Manish Katiyar <mkatiyar@gmail.com>
Date: Sun, 27 Feb 2011 20:42:06 -0500
Subject: [PATCH] ext4: fix missing iput of root inode for some mount error
 paths

This assures that the root inode is not leaked, and that sb->s_root is
NULL, which will prevent generic_shutdown_super() from doing extra
work, including call sync_filesystem, which ultimately results in
ext4_sync_fs() getting called with an uninitialized struct super,
which is the cause of the crash noted in Kernel Bugzilla #26752.

https://bugzilla.kernel.org/show_bug.cgi?id=26752

Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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