1 files changed, 3 insertions, 3 deletions
diff --git a/src/widgets/widgets/qtextbrowser.cpp b/src/widgets/widgets/qtextbrowser.cpp
index 2c073342b0..e88e280c16 100644
--- a/src/widgets/widgets/qtextbrowser.cpp
+++ b/src/widgets/widgets/qtextbrowser.cpp
@@ -93,7 +93,7 @@ public:
 
 
     HistoryEntry createHistoryEntry() const;
-    void restoreHistoryEntry(const HistoryEntry entry);
+    void restoreHistoryEntry(const HistoryEntry &entry);
 
     QStack<HistoryEntry> stack;
     QStack<HistoryEntry> forwardStack;
@@ -292,7 +292,7 @@ void QTextBrowserPrivate::setSource(const QUrl &url)
             txt = data.toString();
 #endif
         }
-        if (txt.isEmpty())
+        if (Q_UNLIKELY(txt.isEmpty()))
             qWarning("QTextBrowser: No document for %s", url.toString().toLatin1().constData());
 
         if (q->isVisible()) {
@@ -554,7 +554,7 @@ QTextBrowserPrivate::HistoryEntry QTextBrowserPrivate::createHistoryEntry() cons
     return entry;
 }
 
-void QTextBrowserPrivate::restoreHistoryEntry(const HistoryEntry entry)
+void QTextBrowserPrivate::restoreHistoryEntry(const HistoryEntry &entry)
 {
     setSource(entry.url);
     hbar->setValue(entry.hpos);