2015-09-26 17:15 GMT+08:00 Axel Lin <axel.lin@xxxxxxxxxx>: > 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 > > > Reviewed-by: Jun Nie <jun.nie@xxxxxxxxxx> -- 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