From: Jonathan Brassow <jbrassow@redhat.com>
Date: Thu, 2 Apr 2009 18:55:35 +0000 (+0100)
Subject: dm snapshot: persistent fix dtr cleanup
X-Git-Tag: v2.6.30-rc1~230^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a32079ce17899192a7b98a42753be467605a8b2f;p=pandora-kernel.git

dm snapshot: persistent fix dtr cleanup

The persistent exception store destructor does not properly
account for all conditions in which it can be called.  If it
is called after 'ctr' but before 'read_metadata' (e.g. if
something else in 'snapshot_ctr' fails) then it will attempt
to free areas of memory that haven't been allocated yet.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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