ipr: Fix error return code in ipr_probe_ioa()

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: NWei Yongjun <weiyj.lk@gmail.com>
Acked-by: NBrian King <brking@linux.vnet.ibm.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ipr.c

@@ -10219,6 +10219,7 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
 
 		if (!ioa_cfg->reset_work_q) {
 			dev_err(&pdev->dev, "Couldn't register reset workqueue\n");
+			rc = -ENOMEM;
 			goto out_free_irq;
 		}
 	} else