From e38f593acdbe7f6705d052309c634bd847dc3665 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sat, 11 Jul 2020 07:39:02 +0200
Subject: [PATCH] bar/wayland: don't try to set cursor surface if serial is 0

---
 bar/wayland.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bar/wayland.c b/bar/wayland.c
index 13cff16..f87957a 100644
--- a/bar/wayland.c
+++ b/bar/wayland.c
@@ -150,8 +150,12 @@ static const struct wl_shm_listener shm_listener = {
 static void
 update_cursor_surface(struct wayland_backend *backend, struct seat *seat)
 {
-    if (seat->pointer.cursor == NULL || seat->pointer.surface == NULL)
+    if (seat->pointer.serial == 0 ||
+        seat->pointer.cursor == NULL ||
+        seat->pointer.surface == NULL)
+    {
         return;
+    }
 
     struct wl_cursor_image *image = seat->pointer.cursor->images[0];