dm: fix idr leak on module removal
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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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>