While reading the code I found a bug in the error path in alloc_dev in dm.c
When blk_alloc_queue fails there is no call to free_minor.
This patch fixes the problem.
Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>