1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index e0719b4ee189..0b5ec234c787 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1147,6 +1147,14 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)
          * any drivers bound to them (a key side effect)
          */
         if (dev->actconfig) {
+                /*
+                 * FIXME: In order to avoid self-deadlock involving the
+                 * bandwidth_mutex, we have to mark all the interfaces
+                 * before unregistering any of them.
+                 */
+                for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++)
+                        dev->actconfig->interface[i]->unregistering = 1;
+
                 for (i = 0; i < dev->actconfig->desc.bNumInterfaces; i++) {
                         struct usb_interface    *interface;
 
@@ -1156,7 +1164,6 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0)
                                 continue;
                         dev_dbg(&dev->dev, "unregistering interface %s\n",
                                 dev_name(&interface->dev));
-                        interface->unregistering = 1;
                         remove_intf_ep_devs(interface);
                         device_del(&interface->dev);
                 }