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