From nobody Sun Feb 8 22:53:51 2026 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0FDEE330644; Wed, 28 Jan 2026 04:27:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769574457; cv=none; b=J6MYt6KJjBOaYvAsxhBis748+II3RRUjiOQXctjW38by/N3t/2VUIqVHYjcQeS47dBEcoo3U6vtcGpZz/DglILpZCK5f5eox5P5mT/4QMeJT5Mh3VVghUHBfatqxWLc+kTSHY3Re/wvacjveAYkmjGKJArEK2fd6K7TVHkPJQu4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769574457; c=relaxed/simple; bh=ItHw8xE+S9Soem22KPPUVeIKXOBUfGvHKw6fE0uFEFM=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=AarXZMvkLo5I3bN3kmrbyKnPaKrCxyez4bF5GRHU1/CNl2cJ7/duFDQXz3250CSNyUX6UT76c5ifm/T1+buKRVQfK3fJV5PQ9I5oZGKXrazezGQk4Lze7vY1LjItJUm11XNR0h2Xpef1Awzyq/KETQlk1C8IU6IXgddhNMv5wcs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost (unknown [124.16.138.129]) by APP-05 (Coremail) with SMTP id zQCowAAntwotkHlpsMvYBg--.31858S2; Wed, 28 Jan 2026 12:27:25 +0800 (CST) From: Chen Ni To: haibo.chen@nxp.com, jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org Cc: linux-iio@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, Chen Ni Subject: [PATCH] iio: adc: vf610: Add missing check for device_property_read_u32_array Date: Wed, 28 Jan 2026 12:27:00 +0800 Message-Id: <20260128042700.2260803-1-nichen@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 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 X-CM-TRANSID: zQCowAAntwotkHlpsMvYBg--.31858S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Xr1UWrWxAF1xtr18Ww1fCrg_yoWDCFc_G3 s7u3WxXr1fAFs2yr17tw13ur9FyFyj9rZ5ua1jv34SkFy3Wa9xZr17Zrs0kr4furnYk3WU Ar4kCrWfCr43CjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbsxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r1q 6r43MxkIecxEwVAFwVW8XwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8Jw C20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAF wI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjx v20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2 jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0x ZFpf9x0JUhZ2-UUUUU= X-CM-SenderInfo: xqlfxv3q6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Add check for the return value of device_property_read_u32_array() and return the error if it fails in order to catch the error. Signed-off-by: Chen Ni --- drivers/iio/adc/vf610_adc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index d7182ed0d2a7..d53723ccc5b2 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -871,7 +871,10 @@ static int vf610_adc_probe(struct platform_device *pde= v) =20 info->vref_uv =3D regulator_get_voltage(info->vref); =20 - device_property_read_u32_array(dev, "fsl,adck-max-frequency", info->max_a= dck_rate, 3); + ret =3D device_property_read_u32_array(dev, "fsl,adck-max-frequency", + info->max_adck_rate, 3); + if (ret) + return ret; =20 info->adc_feature.default_sample_time =3D DEFAULT_SAMPLE_TIME; device_property_read_u32(dev, "min-sample-time", &info->adc_feature.defau= lt_sample_time); --=20 2.25.1