diff options
| author | Arvid Brodin <arvid.brodin@enea.com> | 2011-08-21 08:29:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-23 00:32:45 +0200 |
| commit | 38679b720014d89b192c38d4c604f5a718b9788d (patch) | |
| tree | f5c8bd6b097e5442811440655de7062ffde421e1 /drivers/usb/host/isp1760-hcd.c | |
| parent | usb/isp1760: Use polling instead of SOF interrupts to fix Errata 2 (diff) | |
| download | linux-38679b720014d89b192c38d4c604f5a718b9788d.tar.xz linux-38679b720014d89b192c38d4c604f5a718b9788d.zip | |
usb/isp1760: Fix missing endpoint unlink when no mem during enqueue
... 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>
Diffstat (limited to 'drivers/usb/host/isp1760-hcd.c')
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 14c9238a5017..1eb69e050941 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -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); |