When skipping to the last TD of an URB, go to the _last_ entry in the
list instead of the _first_ entry (as780). This fixes Bugzilla #6747 and
possibly others.
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
---
I'm submitting this for both 2.6.17.stable and 2.6.18, late though it is.
The same patch will apply to both trees (albeit with some offset).
Duncan, you'll probably find it also fixes the remaining problem you
found with the usbatm driver. It's closely associated with the earlier
bugfix; they both are involved with cleaning up after a short packet is
received.
Index: usb-2.6/drivers/usb/host/uhci-q.c
===================================================================
--- usb-2.6.orig/drivers/usb/host/uhci-q.c
+++ usb-2.6/drivers/usb/host/uhci-q.c
@@ -372,7 +372,7 @@ static void uhci_fixup_toggles(struct uh
* need to change any toggles in this URB */
td = list_entry(urbp->td_list.next, struct uhci_td, list);
if (toggle > 1 || uhci_toggle(td_token(td)) == toggle) {
- td = list_entry(urbp->td_list.next, struct uhci_td,
+ td = list_entry(urbp->td_list.prev, struct uhci_td,
list);
toggle = uhci_toggle(td_token(td)) ^ 1;
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