server: Don't crash for wl_seat_set_touch(seat, NULL)

diff --git a/src/wayland-server.c b/src/wayland-server.c
index d141682..9f9d6b3 100644 (file)
--- a/src/wayland-server.c
+++ b/src/wayland-server.c
@@ -759,7 +759,7 @@ wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch)
                return;
 
        seat->touch = touch;
-       if (!touch)
+       if (touch)
                touch->seat = seat;
 
        seat_send_updated_caps(seat);