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Commit d32f6b57 authored by Sudip Mukherjee's avatar Sudip Mukherjee Committed by Jens Axboe
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block: fix wrong error return in elevator_init()



while compiling integer err was showing as a set but unused variable.
elevator_init_fn can be either cfq_init_queue or deadline_init_queue
or noop_init_queue.
all three of these functions are returning -ENOMEM if they fail to
allocate the queue.
so we should actually be returning the error code rather than
returning 0 always.

Signed-off-by: default avatarSudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 84ce0f0e
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