diff options
Diffstat (limited to 'drivers/usb/core/driver.c')
| -rw-r--r-- | drivers/usb/core/driver.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index c115eed0fdc3..77de8d65862c 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -154,16 +154,11 @@ static const struct usb_device_id *usb_match_dynamic_id(struct usb_interface *in static int usb_probe_device(struct device *dev) { struct usb_device_driver *udriver = to_usb_device_driver(dev->driver); - struct usb_device *udev; + struct usb_device *udev = to_usb_device(dev); int error = -ENODEV; dev_dbg(dev, "%s\n", __func__); - if (!is_usb_device(dev)) /* Sanity check */ - return error; - - udev = to_usb_device(dev); - /* TODO: Add real matching code */ /* The device should always appear to be in use @@ -203,18 +198,13 @@ static void usb_cancel_queued_reset(struct usb_interface *iface) static int usb_probe_interface(struct device *dev) { struct usb_driver *driver = to_usb_driver(dev->driver); - struct usb_interface *intf; - struct usb_device *udev; + struct usb_interface *intf = to_usb_interface(dev); + struct usb_device *udev = interface_to_usbdev(intf); const struct usb_device_id *id; int error = -ENODEV; dev_dbg(dev, "%s\n", __func__); - if (is_usb_device(dev)) /* Sanity check */ - return error; - - intf = to_usb_interface(dev); - udev = interface_to_usbdev(intf); intf->needs_binding = 0; if (udev->authorized == 0) { @@ -593,7 +583,7 @@ static int usb_device_match(struct device *dev, struct device_driver *drv) /* TODO: Add real matching code */ return 1; - } else { + } else if (is_usb_interface(dev)) { struct usb_interface *intf; struct usb_driver *usb_drv; const struct usb_device_id *id; @@ -625,11 +615,14 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env) /* driver is often null here; dev_dbg() would oops */ pr_debug("usb %s: uevent\n", dev_name(dev)); - if (is_usb_device(dev)) + if (is_usb_device(dev)) { usb_dev = to_usb_device(dev); - else { + } else if (is_usb_interface(dev)) { struct usb_interface *intf = to_usb_interface(dev); + usb_dev = interface_to_usbdev(intf); + } else { + return 0; } if (usb_dev->devnum < 0) { |