Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ehci-sched.c

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index f0c8aa1ccd5dc016aa8c61ea3b84944c99a25c1c..57e77374d228dd083053b78a26d331a44c4e20cd 100644 (file)
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -602,6 +602,12 @@ static int intr_submit (
 
        spin_lock_irqsave (&ehci->lock, flags);
 
+       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+                              &ehci_to_hcd(ehci)->flags))) {
+               status = -ESHUTDOWN;
+               goto done;
+       }
+
        /* get qh and force any scheduling errors */
        INIT_LIST_HEAD (&empty);
        qh = qh_append_tds (ehci, urb, &empty, epnum, &ep->hcpriv);
@@ -1456,7 +1462,11 @@ static int itd_submit (struct ehci_hcd *ehci, struct urb *urb,
 
        /* schedule ... need to lock */
        spin_lock_irqsave (&ehci->lock, flags);
-       status = iso_stream_schedule (ehci, urb, stream);
+       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+                              &ehci_to_hcd(ehci)->flags)))
+               status = -ESHUTDOWN;
+       else
+               status = iso_stream_schedule (ehci, urb, stream);
        if (likely (status == 0))
                itd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
        spin_unlock_irqrestore (&ehci->lock, flags);
@@ -1815,7 +1825,11 @@ static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
 
        /* schedule ... need to lock */
        spin_lock_irqsave (&ehci->lock, flags);
-       status = iso_stream_schedule (ehci, urb, stream);
+       if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE,
+                              &ehci_to_hcd(ehci)->flags)))
+               status = -ESHUTDOWN;
+       else
+               status = iso_stream_schedule (ehci, urb, stream);
        if (status == 0)
                sitd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
        spin_unlock_irqrestore (&ehci->lock, flags);