m68k: dio - Kill warn_unused_result warnings

warning: ignoring return value of 'device_register', declared with attribute
warn_unused_result
warning: ignoring return value of 'device_create_file', declared with
attribute warn_unused_result

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/dio/dio-sysfs.c b/drivers/dio/dio-sysfs.c
index f46463038847..91d5f4da8769 100644
--- a/drivers/dio/dio-sysfs.c
+++ b/drivers/dio/dio-sysfs.c
@@ -63,15 +63,19 @@ static ssize_t dio_show_resource(struct device *dev, struct device_attribute *at
 }
 static DEVICE_ATTR(resource, S_IRUGO, dio_show_resource, NULL);
 
-void dio_create_sysfs_dev_files(struct dio_dev *d)
+int dio_create_sysfs_dev_files(struct dio_dev *d)
 {
         struct device *dev = &d->dev;
+        int error;
 
         /* current configuration's attributes */
-        device_create_file(dev, &dev_attr_id);
-        device_create_file(dev, &dev_attr_ipl);
-        device_create_file(dev, &dev_attr_secid);
-        device_create_file(dev, &dev_attr_name);
-        device_create_file(dev, &dev_attr_resource);
+        if ((error = device_create_file(dev, &dev_attr_id)) ||
+            (error = device_create_file(dev, &dev_attr_ipl)) ||
+            (error = device_create_file(dev, &dev_attr_secid)) ||
+            (error = device_create_file(dev, &dev_attr_name)) ||
+            (error = device_create_file(dev, &dev_attr_resource)))
+                return error;
+
+        return 0;
 }