Re: [PATCH][next] ASoC: rk817: remove redundant assignment to pointer node

From: Dan Carpenter
Date: Wed Jun 02 2021 - 07:26:06 EST


On Wed, Jun 02, 2021 at 11:27:46AM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The pointer node is being initialized with a value that is never read and
> it is being updated later with a new value. The initialization is
> redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> sound/soc/codecs/rk817_codec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
> index 17e672b85ee5..0d7cc26ded57 100644
> --- a/sound/soc/codecs/rk817_codec.c
> +++ b/sound/soc/codecs/rk817_codec.c
> @@ -457,7 +457,7 @@ static const struct snd_soc_component_driver soc_codec_dev_rk817 = {
> static void rk817_codec_parse_dt_property(struct device *dev,
> struct rk817_codec_priv *rk817)
> {
> - struct device_node *node = dev->parent->of_node;
> + struct device_node *node;
>
> node = of_get_child_by_name(dev->parent->of_node, "codec");
> if (!node) {

This function needs an of_node_put().

regards,
dan carpenter