device property: return -EINVAL when property isn't found in ACPI

Change return code to be in align with OF and built-in device properties error
codes. In particular -EINVAL means property is not found.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 88f4306744c0aa23cb1b8b38ecf7f8df9c38b5f1..2aee41655ce9223a264a56e11d439ddccc365632 100644 (file)
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -346,7 +346,7 @@ void acpi_free_properties(struct acpi_device *adev)
  *
  * Return: %0 if property with @name has been found (success),
  *         %-EINVAL if the arguments are invalid,
- *         %-ENODATA if the property doesn't exist,
+ *         %-EINVAL if the property doesn't exist,
  *         %-EPROTO if the property value type doesn't match @type.
  */
 static int acpi_data_get_property(struct acpi_device_data *data,
@@ -360,7 +360,7 @@ static int acpi_data_get_property(struct acpi_device_data *data,
                return -EINVAL;
 
        if (!data->pointer || !data->properties)
-               return -ENODATA;
+               return -EINVAL;
 
        properties = data->properties;
        for (i = 0; i < properties->package.count; i++) {
@@ -375,13 +375,13 @@ static int acpi_data_get_property(struct acpi_device_data *data,
                if (!strcmp(name, propname->string.pointer)) {
                        if (type != ACPI_TYPE_ANY && propvalue->type != type)
                                return -EPROTO;
-                       else if (obj)
+                       if (obj)
                                *obj = propvalue;
 
                        return 0;
                }
        }
-       return -ENODATA;
+       return -EINVAL;
 }
 
 /**
@@ -439,7 +439,7 @@ int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname,
  *
  * Return: %0 if array property (package) with @name has been found (success),
  *         %-EINVAL if the arguments are invalid,
- *         %-ENODATA if the property doesn't exist,
+ *         %-EINVAL if the property doesn't exist,
  *         %-EPROTO if the property is not a package or the type of its elements
  *           doesn't match @type.
  */