iio: adc: Remove dev_err_probe() if error is -ENOMEM

The dev_err_probe() doesn't do anything when the error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just return the
value instead.

Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> # meson_saradc
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250821080723.525379-3-zhao.xichao@vivo.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

9 files changed, 10 insertions, 16 deletions

diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c
index 7235fa9e13d5..1db8b68a8f64 100644
--- a/drivers/iio/adc/hx711.c
+++ b/drivers/iio/adc/hx711.c
@@ -465,7 +465,7 @@ static int hx711_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(struct hx711_data));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM, "failed to allocate IIO device\n");
+		return -ENOMEM;
 
 	hx711_data = iio_priv(indio_dev);
 	hx711_data->dev = dev;
diff --git a/drivers/iio/adc/imx93_adc.c b/drivers/iio/adc/imx93_adc.c
index 17b0a2548b0a..b865bbc94517 100644
--- a/drivers/iio/adc/imx93_adc.c
+++ b/drivers/iio/adc/imx93_adc.c
@@ -320,8 +320,7 @@ static int imx93_adc_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*adc));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM,
-				     "Failed allocating iio device\n");
+		return -ENOMEM;
 
 	adc = iio_priv(indio_dev);
 	adc->dev = dev;
diff --git a/drivers/iio/adc/mcp3564.c b/drivers/iio/adc/mcp3564.c
index a68f1cd6883e..cd679ff10a97 100644
--- a/drivers/iio/adc/mcp3564.c
+++ b/drivers/iio/adc/mcp3564.c
@@ -1019,7 +1019,7 @@ static int mcp3564_parse_fw_children(struct iio_dev *indio_dev)
 
 	channels = devm_kcalloc(dev, num_ch, sizeof(*channels), GFP_KERNEL);
 	if (!channels)
-		return dev_err_probe(dev, -ENOMEM, "Can't allocate memory\n");
+		return -ENOMEM;
 
 	device_for_each_child_node_scoped(dev, child) {
 		node_name = fwnode_get_name(child);
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 4ff88603e4fc..f7e7172ef4f6 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1357,7 +1357,7 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*priv));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM, "failed allocating iio device\n");
+		return -ENOMEM;
 
 	priv = iio_priv(indio_dev);
 	init_completion(&priv->done);
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 926971cb50bf..6721da0ed7bb 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -466,8 +466,7 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
 	if (!indio_dev)
-		return dev_err_probe(&pdev->dev, -ENOMEM,
-				     "failed allocating iio device\n");
+		return -ENOMEM;
 
 	info = iio_priv(indio_dev);
 
diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c
index df100dce77da..50b0a607baeb 100644
--- a/drivers/iio/adc/spear_adc.c
+++ b/drivers/iio/adc/spear_adc.c
@@ -275,8 +275,7 @@ static int spear_adc_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(struct spear_adc_state));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM,
-				     "failed allocating iio device\n");
+		return -ENOMEM;
 
 	st = iio_priv(indio_dev);
 	st->dev = dev;
diff --git a/drivers/iio/adc/ti-ads1119.c b/drivers/iio/adc/ti-ads1119.c
index 3e4f79dfb078..2d70b2662f41 100644
--- a/drivers/iio/adc/ti-ads1119.c
+++ b/drivers/iio/adc/ti-ads1119.c
@@ -693,8 +693,7 @@ static int ads1119_probe(struct i2c_client *client)
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM,
-				     "Failed to allocate IIO device\n");
+		return -ENOMEM;
 
 	st = iio_priv(indio_dev);
 	st->client = client;
@@ -750,8 +749,7 @@ static int ads1119_probe(struct i2c_client *client)
 						  indio_dev->name,
 						  iio_device_id(indio_dev));
 		if (!st->trig)
-			return dev_err_probe(dev, -ENOMEM,
-					     "Failed to allocate IIO trigger\n");
+			return -ENOMEM;
 
 		st->trig->ops = &ads1119_trigger_ops;
 		iio_trigger_set_drvdata(st->trig, indio_dev);
diff --git a/drivers/iio/adc/ti-ads7924.c b/drivers/iio/adc/ti-ads7924.c
index 46255c530cb4..bbcc4fc22b6e 100644
--- a/drivers/iio/adc/ti-ads7924.c
+++ b/drivers/iio/adc/ti-ads7924.c
@@ -355,8 +355,7 @@ static int ads7924_probe(struct i2c_client *client)
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM,
-				     "failed to allocate iio device\n");
+		return -ENOMEM;
 
 	data = iio_priv(indio_dev);
 
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index 1b3b1843a801..d7182ed0d2a7 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -832,7 +832,7 @@ static int vf610_adc_probe(struct platform_device *pdev)
 
 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct vf610_adc));
 	if (!indio_dev)
-		return dev_err_probe(&pdev->dev, -ENOMEM, "Failed allocating iio device\n");
+		return -ENOMEM;
 
 	info = iio_priv(indio_dev);
 	info->dev = &pdev->dev;