From f9a0d202de2b5b1108272f765813badd1aedc6f2 Mon Sep 17 00:00:00 2001
From: David Rosca <nowrep@gmail.com>
Date: Thu, 26 Jan 2017 20:45:38 +0100
Subject: [PATCH] WebScrollBarManager: Guard against ScrollBarData being
 deleted

---
 src/lib/webengine/webscrollbarmanager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/webengine/webscrollbarmanager.cpp b/src/lib/webengine/webscrollbarmanager.cpp
index 5f279222a..465d74da2 100644
--- a/src/lib/webengine/webscrollbarmanager.cpp
+++ b/src/lib/webengine/webscrollbarmanager.cpp
@@ -142,7 +142,7 @@ void WebScrollBarManager::addWebView(WebView *view)
 
         QPointer<WebView> p(view);
         view->page()->runJavaScript(source, WebPage::SafeJsWorld, [=](const QVariant &res) {
-            if (!p) {
+            if (!p || !m_scrollbars.contains(view)) {
                 return;
             }
             const QVariantMap map = res.toMap();