The valid pchan range is 0 ~ d->dma_requests - 1. Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> --- drivers/dma/zx296702_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c index 39915a6..c017fcd 100644 --- a/drivers/dma/zx296702_dma.c +++ b/drivers/dma/zx296702_dma.c @@ -739,7 +739,7 @@ static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec, struct dma_chan *chan; struct zx_dma_chan *c; - if (request > d->dma_requests) + if (request >= d->dma_requests) return NULL; chan = dma_get_any_slave_channel(&d->slave); -- 2.1.4 -- 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
