In k3_of_dma_simple_xlate(), the d->chans[] array has d->dma_requests elements so > should be >=. Fixes: 8e6152bc660e69f5 ("dmaengine: Add hisilicon k3 DMA engine driver") Signed-off-by: Vincent Stehlé <vincent.stehle@xxxxxxxxxxx> Cc: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> Cc: Vinod Koul <vinod.koul@xxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- drivers/dma/k3dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index aabcb79..cd7f67b 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)); -- 2.9.3 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html