The 'operation' in camel_mime_filter_progress_new can be NULL

diff --git a/camel/camel-mime-filter-progress.c b/camel/camel-mime-filter-progress.c
index ccf4ba7..6cdb3ce 100644 (file)
--- a/camel/camel-mime-filter-progress.c
+++ b/camel/camel-mime-filter-progress.c
@@ -133,7 +133,7 @@ camel_mime_filter_progress_new (CamelOperation *operation,
        CamelMimeFilter *filter;
        CamelMimeFilterProgressPrivate *priv;
 
-       g_return_val_if_fail (operation != NULL, NULL);
+       /* 'operation' can be NULL, then it means an active thread's operation */
 
        filter = g_object_new (CAMEL_TYPE_MIME_FILTER_PROGRESS, NULL);
        priv = CAMEL_MIME_FILTER_PROGRESS_GET_PRIVATE (filter);