From 4596fe07679ff0fae904515691ea747467614871 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 21 Mar 2011 21:25:13 -0400
Subject: [PATCH] ext4: don't kfree uninitialized s_group_info members

We can call kfree on uninitialized members of the s_group_info array
on an the error path.  We can avoid this by kzalloc'ing the array.

This doesn't entirely solve the oops on mount if we fail down this
path; failed_mount4: frees the sbi, for one, which gets referenced
later in the failed mount paths - I haven't worked that out yet.

https://bugzilla.kernel.org/show_bug.cgi?id=30872

Reported-by: Eugene A. Shatokhin <dame_eugene@mail.ru>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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