Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
[sfrench/cifs-2.6.git] / drivers / usb / core / hub.c
index d20cb545a6e4fd0bbc67634251f666d4a0eedfe9..13b326a13377051e54cf7824adffad8ef21fd1c0 100644 (file)
@@ -335,7 +335,7 @@ static void kick_khubd(struct usb_hub *hub)
        to_usb_interface(hub->intfdev)->pm_usage_cnt = 1;
 
        spin_lock_irqsave(&hub_event_lock, flags);
-       if (!hub->disconnected & list_empty(&hub->event_list)) {
+       if (!hub->disconnected && list_empty(&hub->event_list)) {
                list_add_tail(&hub->event_list, &hub_event_list);
                wake_up(&khubd_wait);
        }
@@ -1407,7 +1407,11 @@ fail:
 
 
 /**
- * Similar to usb_disconnect()
+ * usb_deauthorize_device - deauthorize a device (usbcore-internal)
+ * @usb_dev: USB device
+ *
+ * Move the USB device to a very basic state where interfaces are disabled
+ * and the device is in fact unconfigured and unusable.
  *
  * We share a lock (that we have) with device_del(), so we need to
  * defer its call.
@@ -2866,10 +2870,9 @@ static int hub_thread(void *__unused)
        set_freezable();
        do {
                hub_events();
-               wait_event_interruptible(khubd_wait,
+               wait_event_freezable(khubd_wait,
                                !list_empty(&hub_event_list) ||
                                kthread_should_stop());
-               try_to_freeze();
        } while (!kthread_should_stop() || !list_empty(&hub_event_list));
 
        pr_debug("%s: khubd exiting\n", usbcore_name);