hwmon/f71882fg: Set platform drvdata to NULL later

commit d9ebaa45 upstream.

This avoids a possible race leading to trying to dereference NULL.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hwmon/f71882fg.c

@@ -1957,7 +1957,6 @@ static int f71882fg_remove(struct platform_device *pdev)
 	int i;
 	struct f71882fg_data *data = platform_get_drvdata(pdev);
 
-	platform_set_drvdata(pdev, NULL);
 	if (data->hwmon_dev)
 		hwmon_device_unregister(data->hwmon_dev);
 
@@ -1982,6 +1981,7 @@ static int f71882fg_remove(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(f8000_fan_attr); i++)
 		device_remove_file(&pdev->dev, &f8000_fan_attr[i].dev_attr);
 
+	platform_set_drvdata(pdev, NULL);
 	kfree(data);
 
 	return 0;