Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1

From: Peter Stuge
Date: Fri Jul 24 2015 - 09:53:41 EST


Mathias Nyman wrote:
> +++ b/drivers/usb/host/xhci-ring.c
> @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
> return 0;
> /* offset in TRBs */
> segment_offset = trb - seg->trbs;
> - if (segment_offset > TRBS_PER_SEGMENT)
> + if (segment_offset > TRBS_PER_SEGMENT - 1)

Maybe change the > comparison to >= rather than add the extra "- 1"?


//Peter
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