linux-kernel - RE: [PATCHv2 1/2] ASoC: simple-card: Fix bug of forgetting decrement DT node's refcount

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Message-ID: <11d26ed010ad4cc9b90f44bff56340c3@BY2PR0301MB0613.namprd03.prod.outlook.com>
Date:	Mon, 1 Sep 2014 06:52:26 +0000
From:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To:	Jean-Francois Moine <moinejf@...e.fr>
CC:	"broonie@...nel.org" <broonie@...nel.org>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"perex@...ex.cz" <perex@...ex.cz>, "tiwai@...e.de" <tiwai@...e.de>,
	"kuninori.morimoto.gx@...esas.com" <kuninori.morimoto.gx@...esas.com>,
	"jsarha@...com" <jsarha@...com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCHv2 1/2] ASoC: simple-card: Fix bug of forgetting decrement
 DT node's refcount


> > Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
> > ---
> >  sound/soc/generic/simple-card.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-
> card.c
> > index fd8b045..9e170fe 100644
> > --- a/sound/soc/generic/simple-card.c
> > +++ b/sound/soc/generic/simple-card.c
> > @@ -360,6 +360,7 @@ static int asoc_simple_card_parse_of(struct device_node
> *node,
> >  			}
> >  			i++;
> >  		}
> > +		of_node_put(np);
> >  	} else {
> >  		ret = asoc_simple_card_dai_link_of(node, dev,
> >  						   dai_link, dai_props, true);
> 
> No. np is NULL at end of loop.
> 

Well, yes, you are right.

Thanks,

BRs
Xiubo