From a498d8577ec2e0564f7ee322f6de6216d824e8fc Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlosg@gnome.org>
Date: Mon, 4 Jan 2021 17:42:26 +0100
Subject: [PATCH] workspacesView: Check for primaryView being null

This is possible according to the getter, and triggers warnings
seen when going back from overview via gestures.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1643>
---
 js/ui/workspacesView.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/ui/workspacesView.js b/js/ui/workspacesView.js
index 177fd413d..268adae44 100644
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
@@ -873,7 +873,10 @@ class WorkspacesDisplay extends St.Widget {
     }
 
     activeWorkspaceHasMaximizedWindows() {
-        return this._getPrimaryView().getActiveWorkspace().hasMaximizedWindows();
+        const primaryView = this._getPrimaryView();
+        return primaryView
+            ? primaryView.getActiveWorkspace().hasMaximizedWindows()
+            : false;
     }
 
     _onRestacked(overview, stackIndices) {