Re: [PATCH 15/16] dmaengine: add transfered member to dma_async_tx_descriptor

[Sebastian Andrzej Siewior]

On 07/25/2013 04:57 PM, Lars-Peter Clausen wrote:
> I'm not sure that this will work. Once you've submitted the descriptor it is
> owned by the dmaengine driver and you are not allowed to dereference it
> anymore since the dmaengine driver might free the memory at any time. You
> should only reference the descriptor by the cookie returned by submit().

I see. But it can't be reused before calling the callback if it is
going to call the callback, right?
So if this is a no-no, I'm left with an additional argument to the
complete callback?

> - Lars

Sebastian
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