From cd92049a95e6c762dadf011fad93f5ca151375fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= <morten.sorvig@qt.io>
Date: Thu, 5 Sep 2019 12:37:00 +0200
Subject: [PATCH] Prevent crash in QWasmScreen::resizeMaximizedWindows()
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screen() may return a null QScreen pointer during
screen initialization.

Fixes: QTBUG-78118
Change-Id: Ide26eb3f06861c38cd7ae56789dd010d4cd7e572
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
---
 src/plugins/platforms/wasm/qwasmscreen.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/platforms/wasm/qwasmscreen.cpp b/src/plugins/platforms/wasm/qwasmscreen.cpp
index f2eabfa486..e536bc0ee3 100644
--- a/src/plugins/platforms/wasm/qwasmscreen.cpp
+++ b/src/plugins/platforms/wasm/qwasmscreen.cpp
@@ -139,6 +139,8 @@ QPlatformCursor *QWasmScreen::cursor() const
 
 void QWasmScreen::resizeMaximizedWindows()
 {
+    if (!screen())
+        return;
     QPlatformScreen::resizeMaximizedWindows();
 }