xdg_shell_v6: Reset role data

It has to reset role data when xdg_toplevel_v6 is destroyed.
Otherwise, the role->commit() callback can be called with a freed
toplevel pointer and the process would end up being crashed.

Change-Id: Ida94443c1bb256847b8a1cbadd69db94afef452b

diff --git a/src/xdg_shell_v6/xdg_toplevel_v6.c b/src/xdg_shell_v6/xdg_toplevel_v6.c
index d15eee1..194dbe7 100644 (file)
--- a/src/xdg_shell_v6/xdg_toplevel_v6.c
+++ b/src/xdg_shell_v6/xdg_toplevel_v6.c
@@ -225,6 +225,7 @@ error_out:
 void
 destroy_xdg_toplevel_v6(struct ds_xdg_toplevel_v6 *toplevel)
 {
+    ds_surface_reset_role_data(toplevel->base->ds_surface);
     wl_resource_set_user_data(toplevel->resource, NULL);
     free(toplevel);
 }