From 310db4206f2d2fc793e3044ee9886a20cc14ee86 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 3 Jul 2023 13:30:24 +1000
Subject: [PATCH] Don't run past the last element in the list

If there is no (other) libinput device in the current device list, we'd
eventually end up with next == NULL, causing a segfault.

Fixes #60
---
 src/xf86libinput.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xf86libinput.c b/src/xf86libinput.c
index b811ce0..f7a7553 100644
--- a/src/xf86libinput.c
+++ b/src/xf86libinput.c
@@ -1500,7 +1500,7 @@ swap_registered_device(InputInfoPtr pInfo)
 		return;
 
 	next = xf86FirstLocalDevice();
-	while (next == pInfo || !is_libinput_device(next))
+	while (next && (next == pInfo || !is_libinput_device(next)))
 		next = next->next;
 
 	input_lock();