2 files changed, 22 insertions, 31 deletions

diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index 9c6954aad6c8..ce625b1ce9a5 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -464,8 +464,13 @@ static void stub_disconnect(struct usb_device *udev)
 	/* release port */
 	rc = usb_hub_release_port(udev->parent, udev->portnum,
 				  (struct usb_dev_state *) udev);
-	if (rc) {
-		dev_dbg(&udev->dev, "unable to release port\n");
+	/*
+	 * NOTE: If a HUB disconnect triggered disconnect of the down stream
+	 * device usb_hub_release_port will return -ENODEV so we can safely ignore
+	 * that error here.
+	 */
+	if (rc && (rc != -ENODEV)) {
+		dev_dbg(&udev->dev, "unable to release port (%i)\n", rc);
 		return;
 	}
 
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 37d1fc34e8a5..82650c11e451 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -1140,6 +1140,7 @@ static int hcd_name_to_id(const char *name)
 static int vhci_setup(struct usb_hcd *hcd)
 {
 	struct vhci *vhci = *((void **)dev_get_platdata(hcd->self.controller));
+
 	if (usb_hcd_is_primary_hcd(hcd)) {
 		vhci->vhci_hcd_hs = hcd_to_vhci_hcd(hcd);
 		vhci->vhci_hcd_hs->vhci = vhci;
@@ -1493,13 +1494,10 @@ static struct platform_driver vhci_driver = {
 
 static void del_platform_devices(void)
 {
-	struct platform_device *pdev;
 	int i;
 
 	for (i = 0; i < vhci_num_controllers; i++) {
-		pdev = vhcis[i].pdev;
-		if (pdev != NULL)
-			platform_device_unregister(pdev);
+		platform_device_unregister(vhcis[i].pdev);
 		vhcis[i].pdev = NULL;
 	}
 	sysfs_remove_link(&platform_bus.kobj, driver_name);
@@ -1519,45 +1517,33 @@ static int __init vhci_hcd_init(void)
 	if (vhcis == NULL)
 		return -ENOMEM;
 
-	for (i = 0; i < vhci_num_controllers; i++) {
-		vhcis[i].pdev = platform_device_alloc(driver_name, i);
-		if (!vhcis[i].pdev) {
-			i--;
-			while (i >= 0)
-				platform_device_put(vhcis[i--].pdev);
-			ret = -ENOMEM;
-			goto err_device_alloc;
-		}
-	}
-	for (i = 0; i < vhci_num_controllers; i++) {
-		void *vhci = &vhcis[i];
-		ret = platform_device_add_data(vhcis[i].pdev, &vhci, sizeof(void *));
-		if (ret)
-			goto err_driver_register;
-	}
-
 	ret = platform_driver_register(&vhci_driver);
 	if (ret)
 		goto err_driver_register;
 
 	for (i = 0; i < vhci_num_controllers; i++) {
-		ret = platform_device_add(vhcis[i].pdev);
+		void *vhci = &vhcis[i];
+		struct platform_device_info pdevinfo = {
+			.name = driver_name,
+			.id = i,
+			.data = &vhci,
+			.size_data = sizeof(void *),
+		};
+
+		vhcis[i].pdev = platform_device_register_full(&pdevinfo);
+		ret = PTR_ERR_OR_ZERO(vhcis[i].pdev);
 		if (ret < 0) {
-			i--;
-			while (i >= 0)
-				platform_device_del(vhcis[i--].pdev);
+			while (i--)
+				platform_device_unregister(vhcis[i].pdev);
 			goto err_add_hcd;
 		}
 	}
 
-	return ret;
+	return 0;
 
 err_add_hcd:
 	platform_driver_unregister(&vhci_driver);
 err_driver_register:
-	for (i = 0; i < vhci_num_controllers; i++)
-		platform_device_put(vhcis[i].pdev);
-err_device_alloc:
 	kfree(vhcis);
 	return ret;
 }