mirror of https://github.com/hak5/openwrt.git
111 lines
3.2 KiB
Diff
111 lines
3.2 KiB
Diff
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Index: linux-2.6.24/drivers/usb/host/adm5120-hcd.c
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===================================================================
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--- linux-2.6.24.orig/drivers/usb/host/adm5120-hcd.c
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+++ linux-2.6.24/drivers/usb/host/adm5120-hcd.c
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@@ -83,8 +83,8 @@ static void admhc_stop(struct usb_hcd *h
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/*
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* queue up an urb for anything except the root hub
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*/
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-static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
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- struct urb *urb, gfp_t mem_flags)
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+static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
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+ gfp_t mem_flags)
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{
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struct admhcd *ahcd = hcd_to_admhcd(hcd);
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struct ed *ed;
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@@ -101,7 +101,7 @@ static int admhc_urb_enqueue(struct usb_
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#endif
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/* every endpoint has an ed, locate and maybe (re)initialize it */
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- ed = ed_get(ahcd, ep, urb->dev, pipe, urb->interval);
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+ ed = ed_get(ahcd, urb->ep, urb->dev, pipe, urb->interval);
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if (!ed)
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return -ENOMEM;
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@@ -161,22 +161,17 @@ static int admhc_urb_enqueue(struct usb_
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goto fail;
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}
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- /* in case of unlink-during-submit */
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- spin_lock(&urb->lock);
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- if (urb->status != -EINPROGRESS) {
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- spin_unlock(&urb->lock);
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- urb->hcpriv = urb_priv;
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- finish_urb(ahcd, urb);
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- ret = 0;
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+ ret = usb_hcd_link_urb_to_ep(hcd, urb);
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+ if (ret)
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goto fail;
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- }
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/* schedule the ed if needed */
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if (ed->state == ED_IDLE) {
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ret = ed_schedule(ahcd, ed);
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- if (ret < 0)
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- goto fail0;
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-
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+ if (ret < 0) {
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+ usb_hcd_unlink_urb_from_ep(hcd, urb);
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+ goto fail;
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+ }
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if (ed->type == PIPE_ISOCHRONOUS) {
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u16 frame = admhc_frame_no(ahcd);
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@@ -204,8 +199,6 @@ static int admhc_urb_enqueue(struct usb_
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admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1);
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#endif
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-fail0:
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- spin_unlock(&urb->lock);
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fail:
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if (ret)
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urb_priv_free(ahcd, urb_priv);
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@@ -220,18 +213,23 @@ fail:
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* asynchronously, and we might be dealing with an urb that's
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* partially transferred, or an ED with other urbs being unlinked.
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*/
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-static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
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+static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
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+ int status)
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{
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struct admhcd *ahcd = hcd_to_admhcd(hcd);
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unsigned long flags;
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+ int ret;
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spin_lock_irqsave(&ahcd->lock, flags);
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#ifdef ADMHC_VERBOSE_DEBUG
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urb_print(ahcd, urb, "DEQUEUE", 1);
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#endif
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-
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- if (HC_IS_RUNNING(hcd->state)) {
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+ ret = usb_hcd_check_unlink_urb(hcd, urb, status);
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+ if (ret) {
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+ /* Do nothing */
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+ ;
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+ } else if (HC_IS_RUNNING(hcd->state)) {
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struct urb_priv *urb_priv;
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/* Unless an IRQ completed the unlink while it was being
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@@ -253,7 +251,7 @@ static int admhc_urb_dequeue(struct usb_
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}
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spin_unlock_irqrestore(&ahcd->lock, flags);
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- return 0;
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+ return ret;
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}
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/*-------------------------------------------------------------------------*/
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Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
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===================================================================
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--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
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+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
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@@ -63,6 +63,7 @@ __acquires(ahcd->lock)
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#endif
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/* urb->complete() can reenter this HCD */
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+ usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb);
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spin_unlock(&ahcd->lock);
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usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb);
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spin_lock(&ahcd->lock);
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