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author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-06-22 13:15:47 +0200 |
---|---|---|
committer | Vinod Koul <vkoul@kernel.org> | 2018-06-28 08:27:21 +0200 |
commit | c4c2b7644cc9a41f17a8cc8904efe3f66ae4c7ed (patch) | |
tree | 103309362c2d2f97721eef7c763cc5d9dfd52072 /drivers/dma | |
parent | dmaengine: pl330: report BURST residue granularity (diff) | |
download | linux-c4c2b7644cc9a41f17a8cc8904efe3f66ae4c7ed.tar.xz linux-c4c2b7644cc9a41f17a8cc8904efe3f66ae4c7ed.zip |
dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate()
The d->chans[] array has d->dma_requests elements so the > should be
>= here.
Fixes: 8e6152bc660e ("dmaengine: Add hisilicon k3 DMA engine driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r-- | drivers/dma/k3dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index fa31cccbe04f..6bfa217ed6d0 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -794,7 +794,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec, struct k3_dma_dev *d = ofdma->of_dma_data; unsigned int request = dma_spec->args[0]; - if (request > d->dma_requests) + if (request >= d->dma_requests) return NULL; return dma_get_slave_channel(&(d->chans[request].vc.chan)); |