Add the missing destroy_workqueue() before return from fcoe_init() in
the fcoe transport register failed error handling case.
Signed-off-by: NWei Yongjun <weiyj.lk@gmail.com>
Acked-by: NJohannes Thumshirn <jth@kernel.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>