From 6c84e1a3246333a384672564e4324ed968b1624e Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 21 Aug 2024 16:44:32 +0800
Subject: [PATCH]  Xi: allocate enough XkbActions for our buttons.

---
 Xi/exevents.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Xi/exevents.c b/Xi/exevents.c
index e161714..abb8cfc 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -612,6 +612,12 @@ DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
         }
 
         if (from->button->xkb_acts) {
+            if (!to->button->xkb_acts) {
+                to->button->xkb_acts = calloc(1, sizeof(XkbAction));
+                if (!to->button->xkb_acts)
+                    FatalError("[Xi] not enough memory for xkb_acts.\n");
+            }
+
             size_t maxbuttons = max(to->button->numButtons, from->button->numButtons);
             to->button->xkb_acts = xnfreallocarray(to->button->xkb_acts,
                                                    maxbuttons,
-- 
2.27.0