PCI/portdrv: Cleanup error paths

Make the straightline path the normal no-error path.  Check for errors and
return them directly, instead of checking for success and putting the
normal path in an "if" body.

No functional change.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/pcie/portdrv_core.c

@@ -344,11 +344,13 @@ static int pcie_device_init(struct pci_dev *pdev, int service, int irq)
 	device_enable_async_suspend(device);
 
 	retval = device_register(device);
-	if (retval)
+	if (retval) {
 		kfree(pcie);
-	else
-		get_device(device);
-	return retval;
+		return retval;
+	}
+
+	get_device(device);
+	return 0;
 }
 
 /**
@@ -498,12 +500,12 @@ static int pcie_port_probe_service(struct device *dev)
 
 	pciedev = to_pcie_device(dev);
 	status = driver->probe(pciedev);
-	if (!status) {
-		dev_printk(KERN_DEBUG, dev, "service driver %s loaded\n",
-			driver->name);
-		get_device(dev);
-	}
-	return status;
+	if (status)
+		return status;
+
+	dev_printk(KERN_DEBUG, dev, "service driver %s loaded\n", driver->name);
+	get_device(dev);
+	return 0;
 }
 
 /**