2014-04-03 15:29 GMT+08:00 Dan Carpenter <dan.carpenter@xxxxxxxxxx>:
> The ">" here should be ">=" or we are one step beyond the end of the
> sdma->channels[] array.
>
> Fixes: 2e041c94628c ('dmaengine: sirf: enable generic dt binding for dma channels')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
Acked-by: Barry Song <Baohua.Song@xxxxxxx>
> diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c
> index a1bd829..03f7820 100644
> --- a/drivers/dma/sirf-dma.c
> +++ b/drivers/dma/sirf-dma.c
> @@ -666,7 +666,7 @@ static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec,
> struct sirfsoc_dma *sdma = ofdma->of_dma_data;
> unsigned int request = dma_spec->args[0];
>
> - if (request > SIRFSOC_DMA_CHANNELS)
> + if (request >= SIRFSOC_DMA_CHANNELS)
> return NULL;
>
> return dma_get_slave_channel(&sdma->channels[request].chan);
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