diff options
Diffstat (limited to 'drivers/usb/core/usb.c')
| -rw-r--r-- | drivers/usb/core/usb.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 6ee2b5359a8..56a3520863a 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -192,20 +192,23 @@ void usb_driver_release_interface(struct usb_driver *driver, iface->condition = USB_INTERFACE_UNBOUND; mark_quiesced(iface); } +struct find_interface_arg { + int minor; + struct usb_interface *interface; +}; static int __find_interface(struct device * dev, void * data) { - struct usb_interface ** ret = (struct usb_interface **)data; - struct usb_interface * intf = *ret; - int *minor = (int *)data; + struct find_interface_arg *arg = data; + struct usb_interface *intf; /* can't look at usb devices, only interfaces */ if (dev->driver == &usb_generic_driver) return 0; intf = to_usb_interface(dev); - if (intf->minor != -1 && intf->minor == *minor) { - *ret = intf; + if (intf->minor != -1 && intf->minor == arg->minor) { + arg->interface = intf; return 1; } return 0; @@ -222,12 +225,12 @@ static int __find_interface(struct device * dev, void * data) */ struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor) { - struct usb_interface *intf = (struct usb_interface *)(long)minor; - int ret; - - ret = driver_for_each_device(&drv->driver, NULL, &intf, __find_interface); + struct find_interface_arg argb; - return ret ? intf : NULL; + argb.minor = minor; + argb.interface = NULL; + driver_for_each_device(&drv->driver, NULL, &argb, __find_interface); + return argb.interface; } #ifdef CONFIG_HOTPLUG |