diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index 5778b640ba9c..1b9f60a22e0b 100644
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -366,7 +366,11 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
 		sockfd_put(socket);
 
 		dev_err(dev, "port %d already used\n", rhport);
-		return -EINVAL;
+		/*
+		 * Will be retried from userspace
+		 * if there's another free port.
+		 */
+		return -EBUSY;
 	}
 
 	dev_info(dev, "pdev(%u) rhport(%u) sockfd(%d)\n",
diff --git a/tools/usb/usbip/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c
index 6e89768ffe30..7f07b2d50f59 100644
--- a/tools/usb/usbip/src/usbip_attach.c
+++ b/tools/usb/usbip/src/usbip_attach.c
@@ -99,29 +99,34 @@ static int import_device(int sockfd, struct usbip_usb_device *udev)
 	rc = usbip_vhci_driver_open();
 	if (rc < 0) {
 		err("open vhci_driver");
-		return -1;
+		goto err_out;
 	}
 
-	port = usbip_vhci_get_free_port(speed);
-	if (port < 0) {
-		err("no free port");
-		usbip_vhci_driver_close();
-		return -1;
-	}
+	do {
+		port = usbip_vhci_get_free_port(speed);
+		if (port < 0) {
+			err("no free port");
+			goto err_driver_close;
+		}
 
-	dbg("got free port %d", port);
+		dbg("got free port %d", port);
 
-	rc = usbip_vhci_attach_device(port, sockfd, udev->busnum,
-				      udev->devnum, udev->speed);
-	if (rc < 0) {
-		err("import device");
-		usbip_vhci_driver_close();
-		return -1;
-	}
+		rc = usbip_vhci_attach_device(port, sockfd, udev->busnum,
+					      udev->devnum, udev->speed);
+		if (rc < 0 && errno != EBUSY) {
+			err("import device");
+			goto err_driver_close;
+		}
+	} while (rc < 0);
 
 	usbip_vhci_driver_close();
 
 	return port;
+
+err_driver_close:
+	usbip_vhci_driver_close();
+err_out:
+	return -1;
 }
 
 static int query_import_device(int sockfd, char *busid)