USB: keep track of whether interface sysfs files exist

[linux-2.6-omap-h63xx.git] / drivers / usb / core / hub.c

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 60a8f55a0cc7d552887dcbb17c34584c3d8cc071..13b326a13377051e54cf7824adffad8ef21fd1c0 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -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);
        }
@@ -2870,10 +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);