4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ 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 --- drivers/dma/k3dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -792,7 +792,7 @@ static struct dma_chan *k3_of_dma_simple 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));