From 5a6ef893cc360f7d7a2f0e1d77787980d27f7ff3 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Sat, 29 May 1993 05:59:09 +0000
Subject: [PATCH] (XTring_bell): Do nothing if x_current_connection is 0.

---
 src/xterm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/xterm.c b/src/xterm.c
index 033b1da5685..60f4c8850fc 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -830,6 +830,9 @@ XTflash (f)
 
 XTring_bell ()
 {
+  if (x_current_display == 0)
+    return;
+
 #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
   if (visible_bell)
     XTflash (selected_frame);
-- 
2.30.2