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uhci-hcd: fix list access bug

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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 <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2006-08-31 14:18:39 -04:00 • committed by Greg Kroah-Hartman
commit db59b464f8
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/uhci-q.c
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@ -372,7 +372,7 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first)
* 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;