On Sun, Sep 07, 2014 at 03:54:39PM +0200, Lars-Peter Clausen wrote:
> We need to make sure to deqeueue the descriptor from the active list before
> we call vchan_cookie_complete(). Also we need obviously only set chan->desc
> to NULL after we stopped using it.
Applied, thanks
--
~Vinod
>
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> ---
> Note this need not go into stable as there are no users of non-cyclic
> DMA transfers on jz4740 in stable.
> ---
> drivers/dma/dma-jz4740.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c
> index 6a9d89c..ae2ab14 100644
> --- a/drivers/dma/dma-jz4740.c
> +++ b/drivers/dma/dma-jz4740.c
> @@ -362,8 +362,9 @@ static void jz4740_dma_chan_irq(struct jz4740_dmaengine_chan *chan)
> vchan_cyclic_callback(&chan->desc->vdesc);
> } else {
> if (chan->next_sg == chan->desc->num_sgs) {
> - chan->desc = NULL;
> + list_del(&chan->desc->vdesc.node);
> vchan_cookie_complete(&chan->desc->vdesc);
> + chan->desc = NULL;
> }
> }
> }
> --
> 1.7.10.4
>
--
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