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dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() 

The ">" here should be ">=" or we are one step beyond the end of the
sdma->channels[] array.

Fixes: 2e041c9462 ('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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
hifive-unleashed-5.1
Dan Carpenter 2014-04-03 10:29:33 +03:00 committed by Vinod Koul
parent 2dda47d1a4
commit f3817e777c
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sirf-dma.c
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@ -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);