From e5463330ef17d6342267c6be9026a52f16ecfe7d Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Tue, 15 Oct 2019 06:39:54 -0700
Subject: [PATCH] view: Check for viewData in IsVisible()

viewData can be NULL, make sure we verify it before dereferencing.

(cherry picked from commit 5b8661f2ab5e7b67dc89bcecb877850f34b0ce03)
---
 common/view/view.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/view/view.cpp b/common/view/view.cpp
index fe581b3a96..d171690d9d 100644
--- a/common/view/view.cpp
+++ b/common/view/view.cpp
@@ -1526,7 +1526,7 @@ bool VIEW::IsVisible( const VIEW_ITEM* aItem ) const
 {
     const auto viewData = aItem->viewPrivData();
 
-    return viewData->m_flags & VISIBLE;
+    return viewData && ( viewData->m_flags & VISIBLE );
 }