diff options
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 30dd2636f26..b1b85abb9a2 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -413,8 +413,13 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, } else { snprintf(dev->devpath, sizeof dev->devpath, "%s.%d", parent->devpath, port1); - dev->route = parent->route + - (port1 << ((parent->level - 1)*4)); + /* Route string assumes hubs have less than 16 ports */ + if (port1 < 15) + dev->route = parent->route + + (port1 << ((parent->level - 1)*4)); + else + dev->route = parent->route + + (15 << ((parent->level - 1)*4)); } dev->dev.parent = &parent->dev; |