diff options
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 56c082f..b4265aa 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1238,7 +1238,6 @@ static int proc_ioctl (struct dev_state *ps, void __user *arg) int retval = 0; struct usb_interface *intf = NULL; struct usb_driver *driver = NULL; - int i; /* get input parameters and alloc buffer */ if (copy_from_user(&ctrl, arg, sizeof (ctrl))) @@ -1270,15 +1269,6 @@ static int proc_ioctl (struct dev_state *ps, void __user *arg) /* disconnect kernel driver from interface */ case USBDEVFS_DISCONNECT: - /* don't allow the user to unbind the hub driver from - * a hub with children to manage */ - for (i = 0; i < ps->dev->maxchild; ++i) { - if (ps->dev->children[i]) - retval = -EBUSY; - } - if (retval) - break; - down_write(&usb_bus_type.subsys.rwsem); if (intf->dev.driver) { driver = to_usb_driver(intf->dev.driver); |