diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-06-22 14:15:47 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-24 13:12:33 +0200 |
| commit | 87aea47373e6064140506316052f22f52c9e08c0 (patch) | |
| tree | efc3e20d0a3365d599a62ec02284dd3e134e9011 /drivers | |
| parent | 8c5fd3d56f87e0dd401ba49c6061e15ac0c0860b (diff) | |
dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate()
[ Upstream commit c4c2b7644cc9a41f17a8cc8904efe3f66ae4c7ed ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 aabcb7934b05..cd7f67b2545c 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -792,7 +792,7 @@ 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)); |