diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 6737df8d9bdd0a9206e71b2cb42ab25de121dc5e..63de705086ed499addccaf978e22fe1366eeb60d 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -382,7 +382,9 @@ static int mcp3422_probe(struct i2c_client *client,
 		| MCP3422_CHANNEL_VALUE(0)
 		| MCP3422_PGA_VALUE(MCP3422_PGA_1)
 		| MCP3422_SAMPLE_RATE_VALUE(MCP3422_SRATE_240));
-	mcp3422_update_config(adc, config);
+	err = mcp3422_update_config(adc, config);
+	if (err < 0)
+		return err;
 
 	err = devm_iio_device_register(&client->dev, indio_dev);
 	if (err < 0)