@@ -222,7 +222,6 @@ static int axg_card_parse_codecs_masks(struct snd_soc_card *card,
struct axg_dai_link_tdm_data *be)
{
struct axg_dai_link_tdm_mask *codec_mask;
- struct device_node *np;
codec_mask = devm_kcalloc(card->dev, link->num_codecs,
sizeof(*codec_mask), GFP_KERNEL);
@@ -231,7 +230,7 @@ static int axg_card_parse_codecs_masks(struct snd_soc_card *card,
be->codec_masks = codec_mask;
- for_each_child_of_node(node, np) {
+ for_each_child_of_node_scoped(node, np) {
snd_soc_of_get_slot_mask(np, "dai-tdm-slot-rx-mask",
&codec_mask->rx);
snd_soc_of_get_slot_mask(np, "dai-tdm-slot-tx-mask",
@@ -137,7 +137,6 @@ int meson_card_set_be_link(struct snd_soc_card *card,
struct device_node *node)
{
struct snd_soc_dai_link_component *codec;
- struct device_node *np;
int ret, num_codecs;
num_codecs = of_get_child_count(node);
@@ -154,12 +153,10 @@ int meson_card_set_be_link(struct snd_soc_card *card,
link->codecs = codec;
link->num_codecs = num_codecs;
- for_each_child_of_node(node, np) {
+ for_each_child_of_node_scoped(node, np) {
ret = meson_card_parse_dai(card, np, codec);
- if (ret) {
- of_node_put(np);
+ if (ret)
return ret;
- }
codec++;
}
@@ -198,7 +195,6 @@ static int meson_card_add_links(struct snd_soc_card *card)
{
struct meson_card *priv = snd_soc_card_get_drvdata(card);
struct device_node *node = card->dev->of_node;
- struct device_node *np;
int num, i, ret;
num = of_get_child_count(node);
@@ -212,12 +208,10 @@ static int meson_card_add_links(struct snd_soc_card *card)
return ret;
i = 0;
- for_each_child_of_node(node, np) {
+ for_each_child_of_node_scoped(node, np) {
ret = priv->match_data->add_link(card, np, &i);
- if (ret) {
- of_node_put(np);
+ if (ret)
return ret;
- }
i++;
}
The for_each_child_of_node_scoped() helper provides a scope-based clean-up functionality to put the device_node automatically, and as such, there is no need to call of_node_put() directly. Thus, use this helper to simplify the code. Signed-off-by: Ai Chao <aichao@kylinos.cn> --- sound/soc/meson/axg-card.c | 3 +-- sound/soc/meson/meson-card-utils.c | 14 ++++---------- 2 files changed, 5 insertions(+), 12 deletions(-)