From 62af1c630a8238a5a1ea8872b5d24e16598f40c8 Mon Sep 17 00:00:00 2001
From: emersion <contact@emersion.fr>
Date: Sun, 2 Sep 2018 21:40:03 +0200
Subject: rootston: fix segfault on tablet pad destroy

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

(limited to 'rootston')

diff --git a/rootston/seat.c b/rootston/seat.c
index 9010d6e3..10b801e6 100644
--- a/rootston/seat.c
+++ b/rootston/seat.c
@@ -745,6 +745,7 @@ static void attach_tablet_pad(struct roots_tablet_pad *pad,
 
 	pad->tablet = tool;
 
+	wl_list_remove(&pad->tablet_destroy.link);
 	pad->tablet_destroy.notify = handle_pad_tool_destroy;
 	wl_signal_add(&tool->device->events.destroy, &pad->tablet_destroy);
 }
@@ -812,7 +813,8 @@ static void seat_add_tablet_pad(struct roots_seat *seat,
 		&tablet_pad->device_destroy);
 
 	tablet_pad->attach.notify = handle_tablet_pad_attach;
-	wl_signal_add(&tablet_pad->device->tablet_pad->events.attach_tablet, &tablet_pad->attach);
+	wl_signal_add(&tablet_pad->device->tablet_pad->events.attach_tablet,
+		&tablet_pad->attach);
 
 	tablet_pad->button.notify = handle_tablet_pad_button;
 	wl_signal_add(&tablet_pad->device->tablet_pad->events.button, &tablet_pad->button);
@@ -823,6 +825,8 @@ static void seat_add_tablet_pad(struct roots_seat *seat,
 	tablet_pad->ring.notify = handle_tablet_pad_ring;
 	wl_signal_add(&tablet_pad->device->tablet_pad->events.ring, &tablet_pad->ring);
 
+	wl_list_init(&tablet_pad->tablet_destroy.link);
+
 	struct roots_desktop *desktop = seat->input->server->desktop;
 	tablet_pad->tablet_v2_pad =
 		wlr_tablet_pad_create(desktop->tablet_v2, seat->seat, device);
-- 
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