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 <l...@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202505210557.epjig9bq-...@intel.com/ Signed-off-by: Ai Chao <aic...@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 --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++; } -- 2.47.1
