prevent feed chain-linking

diff --git a/backend.php b/backend.php
index ddc73b972b39959698068a50cbade6dc6db1400c..c1431f1ad7e86eb712b9bf618660c5689c1fe00d 100644 (file)
--- a/backend.php
+++ b/backend.php
@@ -1290,7 +1290,8 @@
                        }
 
                        $tmp_result = db_query($link, "SELECT id,title FROM ttrss_feeds
-                               WHERE id != '$feed_id' AND owner_uid = ".$_SESSION["uid"]." 
+                               WHERE id != '$feed_id' AND owner_uid = ".$_SESSION["uid"]." AND
+                                       (SELECT COUNT(id) FROM ttrss_feeds AS T2 WHERE T2.id = ttrss_feeds.parent_feed) = 0
                                        $cat_qpart ORDER BY title");
 
                                if (db_num_rows($tmp_result) > 0) {