block: fix return value on cfq_init() failure
authorTejun Heo <tj@kernel.org>
Mon, 4 Jun 2012 08:01:38 +0000 (10:01 +0200)
committerJens Axboe <axboe@kernel.dk>
Mon, 4 Jun 2012 08:01:38 +0000 (10:01 +0200)
cfq_init() would return zero after kmem cache creation failure.  Fix
so that it returns -ENOMEM.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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