scsi: fusion: Fix error return code in mptfc_probe()

Fix to return error code -ENOMEM from the workqueue alloc error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/message/fusion/mptfc.c

@@ -1326,8 +1326,10 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	ioc->fc_rescan_work_q =
 		alloc_ordered_workqueue(ioc->fc_rescan_work_q_name,
 					WQ_MEM_RECLAIM);
-	if (!ioc->fc_rescan_work_q)
+	if (!ioc->fc_rescan_work_q) {
+		error = -ENOMEM;
 		goto out_mptfc_probe;
+	}
 
 	/*
 	 *  Pre-fetch FC port WWN and stuff...