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(unknown [172.25.130.133]) by node4.com.cn (NSMail) with ESMTPA id 5D43F16001CC7; Tue, 3 Jun 2025 05:51:25 +0000 (UTC) From: Ai Chao To: perex@perex.cz, tiwai@suse.com, kuninori.morimoto.gx@renesas.com, lgirdwood@gmail.com, broonie@kernel.org, jbrunet@baylibre.com, neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Ai Chao , kernel test robot Subject: [PATCH v4 3/4] ASoC: meson: Use helper function for_each_child_of_node_scoped() Date: Tue, 3 Jun 2025 13:51:08 +0800 Message-ID: <20250603055109.3154061-4-aichao@kylinos.cn> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250603055109.3154061-1-aichao@kylinos.cn> References: <20250603055109.3154061-1-aichao@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202505210557.EpJig9BQ-lkp@int= el.com/ Signed-off-by: Ai Chao --- 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_c= ard *card, struct axg_dai_link_tdm_data *be) { struct axg_dai_link_tdm_mask *codec_mask; - struct device_node *np; =20 codec_mask =3D 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_c= ard *card, =20 be->codec_masks =3D codec_mask; =20 - 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-car= d-utils.c index 68531183fb60..cdb759b466ad 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; =20 num_codecs =3D of_get_child_count(node); @@ -154,19 +153,17 @@ int meson_card_set_be_link(struct snd_soc_card *card, link->codecs =3D codec; link->num_codecs =3D num_codecs; =20 - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { ret =3D meson_card_parse_dai(card, np, codec); - if (ret) { - of_node_put(np); + if (ret) return ret; - } =20 codec++; } =20 ret =3D 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); =20 return ret; } @@ -198,7 +195,6 @@ static int meson_card_add_links(struct snd_soc_card *ca= rd) { struct meson_card *priv =3D snd_soc_card_get_drvdata(card); struct device_node *node =3D card->dev->of_node; - struct device_node *np; int num, i, ret; =20 num =3D of_get_child_count(node); @@ -212,12 +208,10 @@ static int meson_card_add_links(struct snd_soc_card *= card) return ret; =20 i =3D 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { ret =3D priv->match_data->add_link(card, np, &i); - if (ret) { - of_node_put(np); + if (ret) return ret; - } =20 i++; } --=20 2.47.1