Merge tag 'v3.10.71' into update

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / usb / core / hcd.c

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index eea2708c9e4e5511c9951ee4b9e0c9b9a3eb9b2f..ad6b50cca19f509d3d6c0f47744f78d106aa4d2a 100644 (file)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1610,6 +1610,7 @@ static int unlink1(struct usb_hcd *hcd, struct urb *urb, int status)
 int usb_hcd_unlink_urb (struct urb *urb, int status)
 {
        struct usb_hcd          *hcd;
+       struct usb_device       *udev = urb->dev;
        int                     retval = -EIDRM;
        unsigned long           flags;
 
@@ -1621,20 +1622,19 @@ int usb_hcd_unlink_urb (struct urb *urb, int status)
        spin_lock_irqsave(&hcd_urb_unlink_lock, flags);
        if (atomic_read(&urb->use_count) > 0) {
                retval = 0;
-               usb_get_dev(urb->dev);
+               usb_get_dev(udev);
        }
        spin_unlock_irqrestore(&hcd_urb_unlink_lock, flags);
        if (retval == 0) {
                hcd = bus_to_hcd(urb->dev->bus);
                retval = unlink1(hcd, urb, status);
-               usb_put_dev(urb->dev);
+               if (retval == 0)
+                       retval = -EINPROGRESS;
+               else if (retval != -EIDRM && retval != -EBUSY)
+                       dev_dbg(&udev->dev, "hcd_unlink_urb %p fail %d\n",
+                                       urb, retval);
+               usb_put_dev(udev);
        }
-
-       if (retval == 0)
-               retval = -EINPROGRESS;
-       else if (retval != -EIDRM && retval != -EBUSY)
-               dev_dbg(&urb->dev->dev, "hcd_unlink_urb %p fail %d\n",
-                               urb, retval);
        return retval;
 }
 
@@ -1964,6 +1964,8 @@ int usb_alloc_streams(struct usb_interface *interface,
                return -EINVAL;
        if (dev->speed != USB_SPEED_SUPER)
                return -EINVAL;
+       if (dev->state < USB_STATE_CONFIGURED)
+               return -ENODEV;
 
        /* Streams only apply to bulk endpoints. */
        for (i = 0; i < num_eps; i++)