This patch (as1322) reverses the two outcomes of an "if" statement in
usb_probe_interface(), to avoid an unnecessary level of indentation.
Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
Index: usb-2.6/drivers/usb/core/driver.c
===================================================================
--- usb-2.6.orig/drivers/usb/core/driver.c
+++ usb-2.6/drivers/usb/core/driver.c
@@ -274,56 +274,55 @@ static int usb_probe_interface(struct de
intf->needs_binding = 0;
if (usb_device_is_owned(udev))
- return -ENODEV;
+ return error;
if (udev->authorized == 0) {
dev_err(&intf->dev, "Device is not authorized for usage\n");
- return -ENODEV;
+ return error;
}
id = usb_match_id(intf, driver->id_table);
if (!id)
id = usb_match_dynamic_id(intf, driver);
- if (id) {
- dev_dbg(dev, "%s - got id\n", __func__);
+ if (!id)
+ return error;
- error = usb_autoresume_device(udev);
- if (error)
- return error;
-
- /* Interface "power state" doesn't correspond to any hardware
- * state whatsoever. We use it to record when it's bound to
- * a driver that may start I/0: it's not frozen/quiesced.
- */
- mark_active(intf);
- intf->condition = USB_INTERFACE_BINDING;
+ dev_dbg(dev, "%s - got id\n", __func__);
- /* The interface should always appear to be in use
- * unless the driver suports autosuspend.
- */
- atomic_set(&intf->pm_usage_cnt, !driver->supports_autosuspend);
+ error = usb_autoresume_device(udev);
+ if (error)
+ return error;
- /* Carry out a deferred switch to altsetting 0 */
- if (intf->needs_altsetting0) {
- error = usb_set_interface(udev, intf->altsetting[0].
- desc.bInterfaceNumber, 0);
- if (error < 0)
- goto err;
+ /* Interface "power state" doesn't correspond to any hardware
+ * state whatsoever. We use it to record when it's bound to
+ * a driver that may start I/0: it's not frozen/quiesced.
+ */
+ mark_active(intf);
+ intf->condition = USB_INTERFACE_BINDING;
- intf->needs_altsetting0 = 0;
- }
+ /* The interface should always appear to be in use
+ * unless the driver suports autosuspend.
+ */
+ atomic_set(&intf->pm_usage_cnt, !driver->supports_autosuspend);
- error = driver->probe(intf, id);
- if (error)
+ /* Carry out a deferred switch to altsetting 0 */
+ if (intf->needs_altsetting0) {
+ error = usb_set_interface(udev, intf->altsetting[0].
+ desc.bInterfaceNumber, 0);
+ if (error < 0)
goto err;
-
- intf->condition = USB_INTERFACE_BOUND;
- usb_autosuspend_device(udev);
+ intf->needs_altsetting0 = 0;
}
+ error = driver->probe(intf, id);
+ if (error)
+ goto err;
+
+ intf->condition = USB_INTERFACE_BOUND;
+ usb_autosuspend_device(udev);
return error;
-err:
+ err:
mark_quiesced(intf);
intf->needs_remote_wakeup = 0;
intf->condition = USB_INTERFACE_UNBOUND;
--
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