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 <sher...@netfarm.it>
Reported-by: Borissh1983 <borissh1...@gmail.com>
References: https://bugs.debian.org/878866
Fixes: 1c9de5bf4286 ("usbip: vhci-hcd: Add USB3 SuperSpeed support")
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
 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---

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