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usb/isp1760: Fix missing endpoint unlink when no mem during enqueue

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... and some small code style fixes.

Signed-off-by: Arvid Brodin <arvid.brodin@enea.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Arvid Brodin 2011-08-21 08:29:27 +02:00 committed by Greg Kroah-Hartman
parent 6d50c60e6d
commit 38679b7200
1 changed files with 3 additions and 6 deletions
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9
drivers/usb/host/isp1760-hcd.c
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@ -777,10 +777,7 @@ static void collect_qtds(struct usb_hcd *hcd, struct isp1760_qh *qh,
if (qtd->status < QTD_XFER_COMPLETE)
break;
if (list_is_last(&qtd->qtd_list, &qh->qtd_list))
last_qtd = 1;
else
last_qtd = qtd->urb != qtd_next->urb;
last_qtd = last_qtd_of_urb(qtd, qh);
if ((!last_qtd) && (qtd->status == QTD_RETIRE))
qtd_next->status = QTD_RETIRE;
@ -821,7 +818,7 @@ static void collect_qtds(struct usb_hcd *hcd, struct isp1760_qh *qh,
urb_listitem = kmem_cache_zalloc(urb_listitem_cachep,
GFP_ATOMIC);
if (unlikely(!urb_listitem))
break;
break; /* Try again on next call */
urb_listitem->urb = qtd->urb;
list_add_tail(&urb_listitem->urb_list, urb_list);
}
@ -1543,7 +1540,6 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
packetize_urb(hcd, urb, &new_qtds, mem_flags);
if (list_empty(&new_qtds))
return -ENOMEM;
urb->hcpriv = NULL; /* Used to signal unlink to interrupt handler */
retval = 0;
spin_lock_irqsave(&priv->lock, spinflags);
@ -1571,6 +1567,7 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
qh = qh_alloc(GFP_ATOMIC);
if (!qh) {
retval = -ENOMEM;
usb_hcd_unlink_urb_from_ep(hcd, urb);
goto out;
}
list_add_tail(&qh->qh_list, ep_queue);