From: Po Lu <luangruo@yahoo.com>
Date: Sat, 6 Aug 2022 06:50:04 +0000 (+0800)
Subject: Correctly initialize values after a new device is enabled
X-Git-Tag: emacs-29.0.90~1447^2~390
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=28c01bd4841be69d01b6db661917f1be9830cc3d;p=emacs.git

Correctly initialize values after a new device is enabled

* src/xterm.c (handle_one_xevent): Initialize new device to
zero.  (bug#57011)
---

diff --git a/src/xterm.c b/src/xterm.c
index b1e564a9232..8f84edc63ee 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -22144,6 +22144,8 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 			  dpyinfo->devices
 			    = xrealloc (dpyinfo->devices, (sizeof *dpyinfo->devices
 							   * ++dpyinfo->num_devices));
+			  memset (dpyinfo->devices + dpyinfo->num_devices - 1,
+				  0, sizeof *dpyinfo->devices);
 			  device = &dpyinfo->devices[dpyinfo->num_devices - 1];
 			  xi_populate_device_from_info (device, info);
 			}