Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (22 commits)
  WUSB: correct format of wusb_chid sysfs file
  WUSB: fix oops when completing URBs for disconnected devices
  WUSB: disconnect all devices when stopping a WUSB HCD
  USB: whci-hcd: check return value of usb_hcd_link_urb_to_ep()
  USB: whci-hcd: provide a endpoint_reset method
  USB: add reset endpoint operations
  USB device codes for Motorola phone.
  usb-storage: fix mistake in Makefile
  USB: usb-serial ch341: support for DTR/RTS/CTS
  Revert USB: usb-serial ch341: support for DTR/RTS/CTS
  USB: musb: fix possible panic while resuming
  USB: musb: fix isochronous TXDMA (take 2)
  USB: musb: sanitize clearing TXCSR DMA bits (take 2)
  USB: musb: bugfixes for multi-packet TXDMA support
  USB: musb_host, fix ep0 fifo flushing
  USB: usb-storage: augment unusual_devs entry for Simple Tech/Datafab
  USB: musb_host, minor enqueue locking fix (v2)
  USB: fix oops in cdc-wdm in case of malformed descriptors
  USB: qcserial: Add extra device IDs
  USB: option: Add ids for D-Link DWM-652 3.5G modem
  ...

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index 958751ccea43..c2050785a819 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -122,7 +122,8 @@ static uint32_t process_qset(struct whc *whc, struct whc_qset *qset)
 		process_inactive_qtd(whc, qset, td);
 	}
 
-	update |= qset_add_qtds(whc, qset);
+	if (!qset->remove)
+		update |= qset_add_qtds(whc, qset);
 
 done:
 	/*
@@ -254,23 +255,29 @@ int asl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
 
 	spin_lock_irqsave(&whc->lock, flags);
 
+	err = usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
+	if (err < 0) {
+		spin_unlock_irqrestore(&whc->lock, flags);
+		return err;
+	}
+
 	qset = get_qset(whc, urb, GFP_ATOMIC);
 	if (qset == NULL)
 		err = -ENOMEM;
 	else
 		err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
 	if (!err) {
-		usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
 		if (!qset->in_sw_list)
 			asl_qset_insert_begin(whc, qset);
-	}
+	} else
+		usb_hcd_unlink_urb_from_ep(&whc->wusbhc.usb_hcd, urb);
 
 	spin_unlock_irqrestore(&whc->lock, flags);
 
 	if (!err)
 		queue_work(whc->workqueue, &whc->async_work);
 
-	return 0;
+	return err;
 }
 
 /**