genode/repos/dde_linux/patches/usb_xhci-ring.patch
2016-05-09 13:09:54 +02:00

15 lines
403 B
Diff

--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -688,6 +688,11 @@
{
struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
+ if (!deq_state->new_deq_seg) {
+ deq_state->new_deq_ptr = 0;
+ return;
+ }
+
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"Set TR Deq Ptr cmd, new deq seg = %p (0x%llx dma), "
"new deq ptr = %p (0x%llx dma), new cycle = %u",