From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Fri, 2 Oct 2020 08:33:31 +0000 (+0800)
Subject: windowManager: Avoid calling meta_window_actor_thaw when not frozen
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~616^2^2~796
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=6ba3ca5f9548ba0a87a9e3ffa129716d0a062e1e;p=gnome-shell.git

windowManager: Avoid calling meta_window_actor_thaw when not frozen

Because that tends to crash in:
```
g_error ("Error in freeze/thaw accounting");
```

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1431

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1453
---

diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index ab86a2e6a..91b764ea8 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -1378,6 +1378,10 @@ var WindowManager = class {
             onStopped: () => this._sizeChangeWindowDone(shellwm, actor),
         });
 
+        // ease didn't animate and cleared the info, we are done
+        if (!actor.__animationInfo)
+            return;
+
         // Now unfreeze actor updates, to get it to the new size.
         // It's important that we don't wait until the animation is completed to
         // do this, otherwise our scale will be applied to the old texture size.