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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2014-04-03 10:29:33 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2014-04-16 11:59:24 +0530 |
| commit | f3817e777ca3a089381a5b2370fbb869c3bcce6f (patch) | |
| tree | 64536afea5874a249b9d84ff0ef9b3cd2f618fd0 | |
| parent | 2dda47d1a416750bf69eb11dd9b6607d18287b0c (diff) | |
| download | linux-f3817e777ca3a089381a5b2370fbb869c3bcce6f.tar.gz linux-f3817e777ca3a089381a5b2370fbb869c3bcce6f.tar.bz2 linux-f3817e777ca3a089381a5b2370fbb869c3bcce6f.zip | |
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: 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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| -rw-r--r-- | drivers/dma/sirf-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c index a1bd8298d55f..03f7820fa333 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); |