diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-06-22 14:15:47 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-06-28 11:57:21 +0530 |
| commit | c4c2b7644cc9a41f17a8cc8904efe3f66ae4c7ed (patch) | |
| tree | 103309362c2d2f97721eef7c763cc5d9dfd52072 /drivers/dma/k3dma.c | |
| parent | e3f329c600033f011a978a8bc4ddb1e2e94c4f4d (diff) | |
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/k3dma.c')
| -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)); |