Re: Kernel 3.10.3 "reset SuperSpeed USB device number 2 using xhci_hcd"

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On Tue, 30 Jul 2013, Martin K. Petersen wrote:

> James?
> 
> [PATCH] SCSI: Don't attempt to send extended INQUIRY command if skip_vpd_pages is set
> 
> If a device has the skip_vpd_pages flag set we should simply fail the
> scsi_get_vpd_page() call.
> 
> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Tested-by: Stuart Foster <smf.linux@xxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> 
> diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
> index 3b1ea34..eaa808e 100644
> --- a/drivers/scsi/scsi.c
> +++ b/drivers/scsi/scsi.c
> @@ -1031,6 +1031,9 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,
>  {
>  	int i, result;
>  
> +	if (sdev->skip_vpd_pages)
> +		goto fail;
> +
>  	/* Ask for all the pages supported by this device */
>  	result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);
>  	if (result)

Thanks, Martin.

Alan Stern

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