Re: dma_mask on scsi_calculate_bounce_limit

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On Thu, 2010-11-18 at 14:20 +0530, çç wrote:
> Hi
> 
> I have enabled DMA for my host device and when i connect a scsi device
> to the host, it crashes in the following code..
> 
> Function: scsi_calculate_bounce_limit
> 
>  if (host_dev && host_dev->dma_mask)
>                 bounce_limit = *host_dev->dma_mask;
> 
> "*dma_mask" is illegal pointer operation. I would like to understand
> is this known and is there reason behind such a code ?

It likely means you're operating on a new architecture and its generic
devices haven't been set up correctly.

James


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