Re: [PATCH 5/6] dma/imx-sdma: use num_events to validate event_id0

From: Shawn Guo
Date: Tue Jan 10 2012 - 09:06:29 EST


On Tue, Jan 10, 2012 at 03:01:49PM +0800, Richard Zhao wrote:
> event number is not always 32. use num_events for checking instead.
>
> Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxx>

Acked-by: Shawn Guo <shawn.guo@xxxxxxxxxx>

Regards,
Shawn

> ---
> drivers/dma/imx-sdma.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 015d93f..22fd561 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -723,7 +723,7 @@ static int sdma_config_channel(struct sdma_channel *sdmac)
> sdmac->per_addr = 0;
>
> if (sdmac->event_id0) {
> - if (sdmac->event_id0 > 32)
> + if (sdmac->event_id0 >= sdmac->sdma->num_events)
> return -EINVAL;
> sdma_event_enable(sdmac, sdmac->event_id0);
> }
> --
> 1.7.5.4
>
>
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