xhci: Always ring the doorbell for active eps when a Set TR deq ptr cmd completes

Even if the stream for which the command was intended has been freed in the
mean time. This ensures that things start rolling again after an unlink / halt.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 074eac6..2853b2f 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -965,8 +965,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
                xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n",
                                stream_id);
                /* XXX: Harmless??? */
-               dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
-               return;
+               goto cleanup;
        }
 
        ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
@@ -1031,6 +1030,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
                }
        }
 
+cleanup:
        dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
        dev->eps[ep_index].queued_deq_seg = NULL;
        dev->eps[ep_index].queued_deq_ptr = NULL;