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From: Peter Stuge <peter@stuge.se>
To: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: arekm@maven.pl, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 1
Date: Fri, 24 Jul 2015 15:53:32 +0200	[thread overview]
Message-ID: <20150724135332.2022.qmail@stuge.se> (raw)
In-Reply-To: <55B24006.7020300@linux.intel.com>

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

  reply	other threads:[~2015-07-24 13:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-18 14:49 Arkadiusz Miskiewicz
2015-07-20 20:13 ` Arkadiusz Miskiewicz
2015-07-21 14:45   ` Mathias Nyman
2015-07-22 14:12     ` Arkadiusz Miskiewicz
2015-07-24 11:59       ` Mathias Nyman
2015-07-24 13:39         ` Mathias Nyman
2015-07-24 13:53           ` Peter Stuge [this message]
2015-07-24 14:37             ` Mathias Nyman
2015-07-24 15:33           ` Arkadiusz Miskiewicz
2015-08-03 13:12             ` Mathias Nyman

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