nvmet: fix an error code

We accidentally return zero here when ERR_PTR(-ENOMEM) is intended.

Fixes: a07b4970f464 ('nvmet: add a generic NVMe target')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
1 file changed