From f24e17259e49aef55b7ada54793a4cdb49ae94a1 Mon Sep 17 00:00:00 2001
From: John Chen <johnchen902@gmail.com>
Date: Sat, 2 Feb 2019 16:03:09 +0800
Subject: [PATCH] Fix swaywm/sway#3545.

---
 types/data_device/wlr_drag.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/types/data_device/wlr_drag.c b/types/data_device/wlr_drag.c
index 9bd63d96..2b676fdc 100644
--- a/types/data_device/wlr_drag.c
+++ b/types/data_device/wlr_drag.c
@@ -490,6 +490,9 @@ bool seat_client_start_drag(struct wlr_seat_client *client,
 	seat->drag = drag; // TODO: unset this thing somewhere
 	seat->drag_serial = serial;
 
+	if (seat->drag_source != NULL) {
+		wl_list_remove(&seat->drag_source_destroy.link);
+	}
 	seat->drag_source = source;
 	if (source != NULL) {
 		seat->drag_source_destroy.notify = seat_handle_drag_source_destroy;