[PATCH v1 02/10] platform/x86: classmate-laptop: Unify probe rollback and remove code

Rafael J. Wysocki posted 1 patch 1 month ago
drivers/platform/x86/classmate-laptop.c | 36 +++++++++++++------------
1 file changed, 19 insertions(+), 17 deletions(-)
[PATCH v1 02/10] platform/x86: classmate-laptop: Unify probe rollback and remove code
Posted by Rafael J. Wysocki 1 month ago
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>

To facilitate subsequent modifications, change code ordering in
cmpc_accel_add_v4(), cmpc_accel_add(), and  cmpc_accel_remove_v4()
so that the ordering of the probe rollback code is the same as the
ordering of the corresponding removal code.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/platform/x86/classmate-laptop.c | 36 +++++++++++++------------
 1 file changed, 19 insertions(+), 17 deletions(-)

diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 218834ddddc3..bc5df682d194 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -406,6 +406,13 @@ static int cmpc_accel_add_v4(struct acpi_device *acpi)
 
 	accel->inputdev_state = CMPC_ACCEL_DEV_STATE_CLOSED;
 
+	error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel_v4",
+					    cmpc_accel_idev_init_v4);
+	if (error)
+		goto failed_input;
+
+	inputdev = dev_get_drvdata(&acpi->dev);
+
 	accel->sensitivity = CMPC_ACCEL_SENSITIVITY_DEFAULT;
 	cmpc_accel_set_sensitivity_v4(acpi->handle, accel->sensitivity);
 
@@ -420,21 +427,15 @@ static int cmpc_accel_add_v4(struct acpi_device *acpi)
 	if (error)
 		goto failed_g_select;
 
-	error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel_v4",
-					    cmpc_accel_idev_init_v4);
-	if (error)
-		goto failed_input;
-
-	inputdev = dev_get_drvdata(&acpi->dev);
 	dev_set_drvdata(&inputdev->dev, accel);
 
 	return 0;
 
-failed_input:
-	device_remove_file(&acpi->dev, &cmpc_accel_g_select_attr_v4);
 failed_g_select:
 	device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr_v4);
 failed_sensitivity:
+	cmpc_remove_acpi_notify_device(acpi);
+failed_input:
 	kfree(accel);
 	return error;
 }
@@ -444,8 +445,8 @@ static void cmpc_accel_remove_v4(struct acpi_device *acpi)
 	struct input_dev *inputdev = dev_get_drvdata(&acpi->dev);
 	struct cmpc_accel *accel = dev_get_drvdata(&inputdev->dev);
 
-	device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr_v4);
 	device_remove_file(&acpi->dev, &cmpc_accel_g_select_attr_v4);
+	device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr_v4);
 	cmpc_remove_acpi_notify_device(acpi);
 	kfree(accel);
 }
@@ -658,6 +659,13 @@ static int cmpc_accel_add(struct acpi_device *acpi)
 	if (!accel)
 		return -ENOMEM;
 
+	error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel",
+					    cmpc_accel_idev_init);
+	if (error)
+		goto failed_input;
+
+	inputdev = dev_get_drvdata(&acpi->dev);
+
 	accel->sensitivity = CMPC_ACCEL_SENSITIVITY_DEFAULT;
 	cmpc_accel_set_sensitivity(acpi->handle, accel->sensitivity);
 
@@ -665,19 +673,13 @@ static int cmpc_accel_add(struct acpi_device *acpi)
 	if (error)
 		goto failed_file;
 
-	error = cmpc_add_acpi_notify_device(acpi, "cmpc_accel",
-					    cmpc_accel_idev_init);
-	if (error)
-		goto failed_input;
-
-	inputdev = dev_get_drvdata(&acpi->dev);
 	dev_set_drvdata(&inputdev->dev, accel);
 
 	return 0;
 
-failed_input:
-	device_remove_file(&acpi->dev, &cmpc_accel_sensitivity_attr);
 failed_file:
+	cmpc_remove_acpi_notify_device(acpi);
+failed_input:
 	kfree(accel);
 	return error;
 }