linux-kernel - [PATCH] iio: adc: vf610: Add missing check for device_property_read_u32

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Message-Id: <20260128042700.2260803-1-nichen@iscas.ac.cn>
Date: Wed, 28 Jan 2026 12:27:00 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: haibo.chen@....com,
	jic23@...nel.org,
	dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org
Cc: linux-iio@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH] iio: adc: vf610: Add missing check for device_property_read_u32_array

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 <nichen@...as.ac.cn>
---
 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 *pdev)
 
 	info->vref_uv = regulator_get_voltage(info->vref);
 
-	device_property_read_u32_array(dev, "fsl,adck-max-frequency", info->max_adck_rate, 3);
+	ret = device_property_read_u32_array(dev, "fsl,adck-max-frequency",
+					     info->max_adck_rate, 3);
+	if (ret)
+		return ret;
 
 	info->adc_feature.default_sample_time = DEFAULT_SAMPLE_TIME;
 	device_property_read_u32(dev, "min-sample-time", &info->adc_feature.default_sample_time);
-- 
2.25.1