libubus: fix crash on reconnect with objects that have no type

Signed-off-by: John Crispin <blogic@openwrt.org>

diff --git a/libubus-io.c b/libubus-io.c
index 0e7f25f2908be9e353e444e1d555db499e791fe8..ca5fdaf9bd7d661e23fcef2bebf702e1774a02ed 100644 (file)
--- a/libubus-io.c
+++ b/libubus-io.c
@@ -190,7 +190,8 @@ ubus_refresh_state(struct ubus_context *ctx)
 
        /* clear all type IDs, they need to be registered again */
        avl_for_each_element(&ctx->objects, obj, avl)
-               obj->type->id = 0;
+               if (obj->type)
+                       obj->type->id = 0;
 
        /* push out all objects again */
        avl_for_each_element_safe(&ctx->objects, obj, avl, tmp) {