Fix possible crash when adding a new RSS stream

src/rss/rss_imp.cpp

@@ -184,7 +184,7 @@ void RSSImp::on_newFeedButton_clicked() {
     if (parent_item == m_feedList->stickyUnreadItem()) {
       parent_item = 0;
     } else {
-      if (m_feedList->isFolder(parent_item))
+      if (!m_feedList->isFolder(parent_item))
         parent_item = parent_item->parent();
     }
   }

src/rss/rssfeed.cpp

@@ -258,15 +258,19 @@ bool RssFeed::parseRSS(QIODevice* device)
           parseRSSChannel(xml);
           found_channel = true;
           break;
-        } else
+        } else {
+          qDebug() << "Skip rss item: " << xml.name();
           xml.skipCurrentElement();
+        }
       }
       break;
-    } else
+    } else {
+      qDebug() << "Skip root item: " << xml.name();
       xml.skipCurrentElement();
+    }
   }
 
-  if (xml.error()) {
+  if (xml.hasError()) {
     qWarning() << "Error parsing RSS document: " << xml.errorString();
   }
 

src/rss/rssfolder.cpp

@@ -69,7 +69,10 @@ RssFolderPtr RssFolder::addFolder(const QString &name) {
 }
 
 RssFeedPtr RssFolder::addStream(RssManager* manager, const QString &url) {
+  qDebug() << Q_FUNC_INFO << manager << url;
   RssFeedPtr stream(new RssFeed(manager, this, url));
+  Q_ASSERT(stream);
+  qDebug() << "Stream URL is " << stream->url();
   Q_ASSERT(!m_children.contains(stream->url()));
   m_children[stream->url()] = stream;
   stream->refresh();