dm: fix idr leak on module removal
authorAlasdair G Kergon <agk@redhat.com>
Tue, 2 Aug 2011 11:32:01 +0000 (12:32 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Tue, 2 Aug 2011 11:32:01 +0000 (12:32 +0100)
Destroy _minor_idr when unloading the core dm module.  (Found by kmemleak.)

Cc: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

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