From: Chris Mason <clm@fb.com>
Date: Tue, 7 Apr 2015 01:17:00 +0000 (-0700)
Subject: Btrfs: fix use after free when close_ctree frees the orphan_rsv
X-Git-Tag: omap-for-v4.1/fixes-rc1~43^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdfb080e1853660952db5e5332727e59427856df;p=pandora-kernel.git

Btrfs: fix use after free when close_ctree frees the orphan_rsv

Near the end of close_ctree, we're calling btrfs_free_block_rsv
to free up the orphan rsv.  The problem is this call updates the
space_info, which has already been freed.

This adds a new __ function that directly calls kfree instead of trying
to update the space infos.

Signed-off-by: Chris Mason <clm@fb.com>
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