USB: fix deadlock in bConfigurationValue attribute method

[karo-tx-linux.git] / drivers / usb / core / hub.c

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a2aa9d652c672c42ca0c6ba68fc0fbfb4907e32f..ec6c97dadbe4dba5e3cf8a47980e23256a44bff5 100644 (file)
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1667,7 +1667,6 @@ void usb_disconnect(struct usb_device **pdev)
 {
        struct usb_device       *udev = *pdev;
        int                     i;
-       struct usb_hcd          *hcd = bus_to_hcd(udev->bus);
 
        /* mark the device as inactive, so any further urb submissions for
         * this device (and any of its children) will fail immediately.
@@ -1690,9 +1689,7 @@ void usb_disconnect(struct usb_device **pdev)
         * so that the hardware is now fully quiesced.
         */
        dev_dbg (&udev->dev, "unregistering device\n");
-       mutex_lock(hcd->bandwidth_mutex);
        usb_disable_device(udev, 0);
-       mutex_unlock(hcd->bandwidth_mutex);
        usb_hcd_synchronize_unlinks(udev);
 
        usb_remove_ep_devs(&udev->ep0);