scsi: storvsc: Fix error return in storvsc_probe()

Return -ENOMEM from the error handling case instead of 0.

Link: https://lore.kernel.org/r/20201127030206.104616-1-jingxiangfeng@huawei.com
Fixes: 436ad94 ("scsi: storvsc: Allow only one remove lun work item to be issued per lun")
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: hiss2018

drivers/scsi/storvsc_drv.c

@@ -1994,8 +1994,10 @@ static int storvsc_probe(struct hv_device *device,
 			alloc_ordered_workqueue("storvsc_error_wq_%d",
 						WQ_MEM_RECLAIM,
 						host->host_no);
-	if (!host_dev->handle_error_wq)
+	if (!host_dev->handle_error_wq) {
+		ret = -ENOMEM;
 		goto err_out2;
+	}
 	INIT_WORK(&host_dev->host_scan_work, storvsc_host_scan);
 	/* Register the HBA and start the scsi bus scan */
 	ret = scsi_add_host(host, &device->device);