Return an error in tagrss if no tag is provided

diff --git a/actions/tagrss.php b/actions/tagrss.php
index 9187bdc873e1f53a21e111192839c3de6d7aee43..00e549281b51a1ef978360bac9da42b5d15a3490 100644 (file)
--- a/actions/tagrss.php
+++ b/actions/tagrss.php
@@ -27,6 +27,12 @@ class TagrssAction extends Rss10Action {
 
        function init() {
                $tag = $this->trimmed('tag');
+
+        if (!$tag) {
+                       common_user_error(_('No tag.'));
+                       return false;
+        }
+
                $this->tag = Notice_tag::staticGet('tag', $tag);
 
                if (!$this->tag) {