From 351a8d4837ae0d61744e64262c3a80ab92ff3e42 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Mon, 29 Jan 2018 00:04:18 +0000
Subject: [PATCH] usbip: Correct maximum value of CONFIG_USBIP_VHCI_HC_PORTS

Now that usbip supports USB3, the maximum number of ports allowed
on a hub is 15 (USB_SS_MAXPORTS), not 31 (USB_MAXCHILDREN).

Reported-by: Gianluigi Tiesi <sherpya@netfarm.it>
Reported-by: Borissh1983 <borissh1983@gmail.com>
References: https://bugs.debian.org/878866
Fixes: 1c9de5bf4286 ("usbip: vhci-hcd: Add USB3 SuperSpeed support")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/usbip/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/usbip/Kconfig b/drivers/usb/usbip/Kconfig
index eeefa29f8aa2..a20b65cb6678 100644
--- a/drivers/usb/usbip/Kconfig
+++ b/drivers/usb/usbip/Kconfig
@@ -27,7 +27,7 @@ config USBIP_VHCI_HCD
 
 config USBIP_VHCI_HC_PORTS
 	int "Number of ports per USB/IP virtual host controller"
-	range 1 31
+	range 1 15
 	default 8
 	depends on USBIP_VHCI_HCD
 	---help---