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path: root/drivers/usb/host/uhci-q.c
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Diffstat (limited to 'drivers/usb/host/uhci-q.c')
-rw-r--r--drivers/usb/host/uhci-q.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 3bb908ca38e9..bff200cb3d2e 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1376,7 +1376,6 @@ static int uhci_result_isochronous(struct uhci_hcd *uhci, struct urb *urb)
}
static int uhci_urb_enqueue(struct usb_hcd *hcd,
- struct usb_host_endpoint *hep,
struct urb *urb, gfp_t mem_flags)
{
int ret;
@@ -1387,19 +1386,19 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd,
spin_lock_irqsave(&uhci->lock, flags);
- ret = urb->status;
- if (ret != -EINPROGRESS) /* URB already unlinked! */
- goto done;
+ ret = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (ret)
+ goto done_not_linked;
ret = -ENOMEM;
urbp = uhci_alloc_urb_priv(uhci, urb);
if (!urbp)
goto done;
- if (hep->hcpriv)
- qh = (struct uhci_qh *) hep->hcpriv;
+ if (urb->ep->hcpriv)
+ qh = urb->ep->hcpriv;
else {
- qh = uhci_alloc_qh(uhci, urb->dev, hep);
+ qh = uhci_alloc_qh(uhci, urb->dev, urb->ep);
if (!qh)
goto err_no_qh;
}
@@ -1440,27 +1439,29 @@ static int uhci_urb_enqueue(struct usb_hcd *hcd,
err_submit_failed:
if (qh->state == QH_STATE_IDLE)
uhci_make_qh_idle(uhci, qh); /* Reclaim unused QH */
-
err_no_qh:
uhci_free_urb_priv(uhci, urbp);
-
done:
+ if (ret)
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+done_not_linked:
spin_unlock_irqrestore(&uhci->lock, flags);
return ret;
}
-static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct uhci_hcd *uhci = hcd_to_uhci(hcd);
unsigned long flags;
- struct urb_priv *urbp;
struct uhci_qh *qh;
+ int rc;
spin_lock_irqsave(&uhci->lock, flags);
- urbp = urb->hcpriv;
- if (!urbp) /* URB was never linked! */
+ rc = usb_hcd_check_unlink_urb(hcd, urb, status);
+ if (rc)
goto done;
- qh = urbp->qh;
+
+ qh = ((struct urb_priv *) urb->hcpriv)->qh;
/* Remove Isochronous TDs from the frame list ASAP */
if (qh->type == USB_ENDPOINT_XFER_ISOC) {
@@ -1477,7 +1478,7 @@ static int uhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
done:
spin_unlock_irqrestore(&uhci->lock, flags);
- return 0;
+ return rc;
}
/*
@@ -1529,6 +1530,7 @@ __acquires(uhci->lock)
}
uhci_free_urb_priv(uhci, urbp);
+ usb_hcd_unlink_urb_from_ep(uhci_to_hcd(uhci), urb);
spin_unlock(&uhci->lock);
usb_hcd_giveback_urb(uhci_to_hcd(uhci), urb);