Re: [PATCH 10/11] ASoC: rsnd: add missing of_node_put

From: Julia Lawall
Date: Fri Sep 08 2023 - 04:25:42 EST




On Fri, 8 Sep 2023, Kuninori Morimoto wrote:

>
> Hi Julia
>
> Thank you for the patch
>
> > for_each_child_of_node performs an of_node_get on each
> > iteration, so a break out of the loop requires an
> > of_node_put.
> >
> > This was done using the Coccinelle semantic patch
> > iterators/for_each_child.cocci
> >
> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>
> >
> > ---
> > sound/soc/sh/rcar/core.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff -u -p a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
> > --- a/sound/soc/sh/rcar/core.c
> > +++ b/sound/soc/sh/rcar/core.c
> > @@ -1303,6 +1303,7 @@ audio_graph:
> > if (i >= RSND_MAX_COMPONENT) {
> > dev_info(dev, "reach to max component\n");
> > of_node_put(node);
> > + of_node_put(ports);
> > break;
> > }
> > }
>
> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
>
> I noticed that existing "of_node_put(node)" itself is not needed.
> We can remove it, and I will post the patch next week.

Oops, indeed the better way to make the change would have been to convert
node to ports. It's just a copy paste error with respect to the code
above the audio_graph label. Do you want me to send this change instead?

julia

>
>
> Thank you for your help !!
>
> Best regards
> ---
> Kuninori Morimoto
>