cxl/mem: Fix cxl_mem_probe() error exit

The addition of cxl_mem_active() broke error exit scenarios for
cxl_mem_probe(). Return early rather than proceed with disabling
suspend, and update the label name since it is no longer a terminal
"out" label that exits the function.

Fixes: 9ea4dcf4 ("PM: CXL: Disable suspend")
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/165291687176.1426646.15449254938752532784.stgit@dwillia2-xfhSigned-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/cxl/mem.c

@@ -171,13 +171,15 @@ static int cxl_mem_probe(struct device *dev)
 		dev_err(dev, "CXL port topology %s not enabled\n",
 			dev_name(&parent_port->dev));
 		rc = -ENXIO;
-		goto out;
+		goto unlock;
 	}
 
 	rc = create_endpoint(cxlmd, parent_port);
-out:
+unlock:
 	device_unlock(&parent_port->dev);
 	put_device(&parent_port->dev);
+	if (rc)
+		return rc;
 
 	/*
 	 * The kernel may be operating out of CXL memory on this device,