diff options
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index e682f2342ef..8b267b3fd2b 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -797,7 +797,6 @@ done: static int intr_submit ( struct ehci_hcd *ehci, - struct usb_host_endpoint *ep, struct urb *urb, struct list_head *qtd_list, gfp_t mem_flags @@ -805,23 +804,26 @@ static int intr_submit ( unsigned epnum; unsigned long flags; struct ehci_qh *qh; - int status = 0; + int status; struct list_head empty; /* get endpoint and transfer/schedule data */ - epnum = ep->desc.bEndpointAddress; + epnum = urb->ep->desc.bEndpointAddress; spin_lock_irqsave (&ehci->lock, flags); if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &ehci_to_hcd(ehci)->flags))) { status = -ESHUTDOWN; - goto done; + goto done_not_linked; } + status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); + if (unlikely(status)) + goto done_not_linked; /* get qh and force any scheduling errors */ INIT_LIST_HEAD (&empty); - qh = qh_append_tds (ehci, urb, &empty, epnum, &ep->hcpriv); + qh = qh_append_tds(ehci, urb, &empty, epnum, &urb->ep->hcpriv); if (qh == NULL) { status = -ENOMEM; goto done; @@ -832,13 +834,16 @@ static int intr_submit ( } /* then queue the urb's tds to the qh */ - qh = qh_append_tds (ehci, urb, qtd_list, epnum, &ep->hcpriv); + qh = qh_append_tds(ehci, urb, qtd_list, epnum, &urb->ep->hcpriv); BUG_ON (qh == NULL); /* ... update usbfs periodic stats */ ehci_to_hcd(ehci)->self.bandwidth_int_reqs++; done: + if (unlikely(status)) + usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); +done_not_linked: spin_unlock_irqrestore (&ehci->lock, flags); if (status) qtd_list_free (ehci, urb, qtd_list); @@ -1686,12 +1691,19 @@ static int itd_submit (struct ehci_hcd *ehci, struct urb *urb, /* schedule ... need to lock */ spin_lock_irqsave (&ehci->lock, flags); if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) + &ehci_to_hcd(ehci)->flags))) { status = -ESHUTDOWN; - else - status = iso_stream_schedule (ehci, urb, stream); + goto done_not_linked; + } + status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); + if (unlikely(status)) + goto done_not_linked; + status = iso_stream_schedule(ehci, urb, stream); if (likely (status == 0)) itd_link_urb (ehci, urb, ehci->periodic_size << 3, stream); + else + usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); +done_not_linked: spin_unlock_irqrestore (&ehci->lock, flags); done: @@ -2049,12 +2061,19 @@ static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb, /* schedule ... need to lock */ spin_lock_irqsave (&ehci->lock, flags); if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, - &ehci_to_hcd(ehci)->flags))) + &ehci_to_hcd(ehci)->flags))) { status = -ESHUTDOWN; - else - status = iso_stream_schedule (ehci, urb, stream); + goto done_not_linked; + } + status = usb_hcd_link_urb_to_ep(ehci_to_hcd(ehci), urb); + if (unlikely(status)) + goto done_not_linked; + status = iso_stream_schedule(ehci, urb, stream); if (status == 0) sitd_link_urb (ehci, urb, ehci->periodic_size << 3, stream); + else + usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb); +done_not_linked: spin_unlock_irqrestore (&ehci->lock, flags); done: |