diff mbox series

[v2,4/6] ASoC: meson: Use helper function for_each_child_of_node_scoped()

Message ID 20250522050300.519244-5-aichao@kylinos.cn
State New
Headers show
Series Use helper function for_each_child_of_node_scoped() | expand

Commit Message

Ai Chao May 22, 2025, 5:02 a.m. UTC 
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.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505210557.EpJig9BQ-lkp@intel.com/
Signed-off-by: Ai Chao <aichao@kylinos.cn>
---
 sound/soc/meson/axg-card.c         |  3 +--
 sound/soc/meson/meson-card-utils.c | 16 +++++-----------
 2 files changed, 6 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index a2dfccb7990f..b4dca80e15e4 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -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",
diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c
index cfc7f6e41ab5..0750dece9e69 100644
--- a/sound/soc/meson/meson-card-utils.c
+++ b/sound/soc/meson/meson-card-utils.c
@@ -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);
@@ -154,19 +153,17 @@  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++;
 	}
 
 	ret = meson_card_set_link_name(card, link, node, "be");
 	if (ret)
-		dev_err(card->dev, "error setting %pOFn link name\n", np);
+		dev_err(card->dev, "error setting %pOFn link name\n", node);
 
 	return ret;
 }
@@ -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++;
 	}