From a9f1188fea1228231ed5ed8665e4e9f75c6fdbaa Mon Sep 17 00:00:00 2001
From: Demi Marie Obenour <demi@invisiblethingslab.com>
Date: Fri, 1 Oct 2021 14:59:35 -0400
Subject: [PATCH] Add missing check for dead surfaces

Previously a pointer.leave event would be sent with a NULL target,
causing the client to disconnect.
---
 src/wayland/seat/pointer.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/wayland/seat/pointer.rs b/src/wayland/seat/pointer.rs
index 0fc1882..f7274eb 100644
--- a/src/wayland/seat/pointer.rs
+++ b/src/wayland/seat/pointer.rs
@@ -96,6 +96,9 @@ impl PointerInternal {
         F: FnMut(&WlPointer, &WlSurface),
     {
         if let Some((ref focus, _)) = self.focus {
+            if !focus.as_ref().is_alive() {
+                return;
+            }
             for ptr in &self.known_pointers {
                 if ptr.as_ref().same_client_as(focus.as_ref()) {
                     f(ptr, focus)