diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 044c1f3176e1..47597af50b5d 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -771,8 +771,10 @@ static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td, urb->actual_length = 0; *status = 0; } - list_del_init(&td->td_list); - /* Was this TD slated to be cancelled but completed anyway? */ + /* TD might be removed from td_list if we are giving back a cancelled URB */ + if (!list_empty(&td->td_list)) + list_del_init(&td->td_list); + /* Giving back a cancelled URB, or if a slated TD completed anyway */ if (!list_empty(&td->cancelled_td_list)) list_del_init(&td->cancelled_td_list); @@ -944,15 +946,11 @@ remove_finished_td: struct xhci_td, cancelled_td_list); list_del_init(&cur_td->cancelled_td_list); - /* Clean up the cancelled URB */ /* Doesn't matter what we pass for status, since the core will * just overwrite it (because the URB has been unlinked). */ ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb); - xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td); - inc_td_cnt(cur_td->urb); - if (last_td_in_urb(cur_td)) - xhci_giveback_urb_in_irq(xhci, cur_td, 0); + xhci_td_cleanup(xhci, cur_td, ep_ring, 0); /* Stop processing the cancelled list if the watchdog timer is * running. |