Fix swaywm/sway#3545.
@@ -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;
