* [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate()
@ 2014-04-03 7:29 Dan Carpenter
2014-04-04 4:52 ` Barry Song
2014-04-16 6:42 ` Vinod Koul
0 siblings, 2 replies; 3+ messages in thread
From: Dan Carpenter @ 2014-04-03 7:29 UTC (permalink / raw)
To: kernel-janitors
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@oracle.com>
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);
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate()
2014-04-03 7:29 [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() Dan Carpenter
@ 2014-04-04 4:52 ` Barry Song
2014-04-16 6:42 ` Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Barry Song @ 2014-04-04 4:52 UTC (permalink / raw)
To: kernel-janitors
2014-04-03 15:29 GMT+08:00 Dan Carpenter <dan.carpenter@oracle.com>:
> 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@oracle.com>
>
Acked-by: Barry Song <Baohua.Song@csr.com>
> 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);
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate()
2014-04-03 7:29 [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() Dan Carpenter
2014-04-04 4:52 ` Barry Song
@ 2014-04-16 6:42 ` Vinod Koul
1 sibling, 0 replies; 3+ messages in thread
From: Vinod Koul @ 2014-04-16 6:42 UTC (permalink / raw)
To: kernel-janitors
On Thu, Apr 03, 2014 at 10:29:33AM +0300, Dan Carpenter wrote:
> 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@oracle.com>
Applied, thanks
--
~Vinod
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-04-03 7:29 [patch] dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() Dan Carpenter
2014-04-04 4:52 ` Barry Song
2014-04-16 6:42 ` Vinod Koul
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