diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index c0d0870a29ffb..9c2401c5848ec 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -616,6 +616,13 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
 		if (ret)
 			goto err;
 
+		if (channel >= indio_dev->num_channels) {
+			dev_err(indio_dev->dev.parent,
+				"Channel index >= number of channels\n");
+			ret = -EINVAL;
+			goto err;
+		}
+
 		ret = of_property_read_u32_array(child, "diff-channels",
 						 ain, 2);
 		if (ret)