Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (205 commits)
  USB: EHCI: Remove SPARC_LEON {read,write}_be definitions from ehci.h
  USB: UHCI: Support big endian GRUSBHC HC
  sparc: add {read,write}*_be routines
  USB: UHCI: Add support for big endian descriptors
  USB: UHCI: Use ACCESS_ONCE rather than using a full compiler barrier
  USB: UHCI: Add support for big endian mmio
  usb-storage: Correct adjust_quirks to include latest flags
  usb/isp1760: Fix possible unlink problems
  usb/isp1760: Move function isp1760_endpoint_disable() within file.
  USB: remove remaining usages of hcd->state from usbcore and fix regression
  usb: musb: ux500: add configuration and build options for ux500 dma
  usb: musb: ux500: add dma glue layer for ux500
  usb: musb: ux500: add dma name for ux500
  usb: musb: ux500: add ux500 specific code for gadget side
  usb: musb: fix compile error
  usb-storage: fix up the unusual_realtek device list
  USB: gadget: f_audio: Fix invalid dereference of initdata
  EHCI: don't rescan interrupt QHs needlessly
  OHCI: fix regression caused by nVidia shutdown workaround
  USB: OTG: msm: Free VCCCX regulator even if we can't set the voltage
  ...

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a97c018dd41..2b9ff518b50 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -542,6 +542,8 @@ static int wdm_open(struct inode *inode, struct file *file)
 
         mutex_lock(&desc->lock);
         if (!desc->count++) {
+                desc->werr = 0;
+                desc->rerr = 0;
                 rv = usb_submit_urb(desc->validity, GFP_KERNEL);
                 if (rv < 0) {
                         desc->count--;
@@ -853,6 +855,18 @@ static int wdm_pre_reset(struct usb_interface *intf)
         struct wdm_device *desc = usb_get_intfdata(intf);
 
         mutex_lock(&desc->lock);
+        kill_urbs(desc);
+
+        /*
+         * we notify everybody using poll of
+         * an exceptional situation
+         * must be done before recovery lest a spontaneous
+         * message from the device is lost
+         */
+        spin_lock_irq(&desc->iuspin);
+        desc->rerr = -EINTR;
+        spin_unlock_irq(&desc->iuspin);
+        wake_up_all(&desc->wait);
         return 0;
 }