staging: android: ion: Remove ret variable in ion_handle_put_nolock

It is not necessary to save the return value of kref_put since it is directly
returned.
Signed-off-by: Johanna Abrahamsson <johanna@mjao.org>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/ion.c

@@ -383,11 +383,7 @@ static void ion_handle_get(struct ion_handle *handle)
 
 static int ion_handle_put_nolock(struct ion_handle *handle)
 {
-	int ret;
-
-	ret = kref_put(&handle->ref, ion_handle_destroy);
-
-	return ret;
+	return kref_put(&handle->ref, ion_handle_destroy);
 }
 
 static int ion_handle_put(struct ion_handle *handle)