core: don't let hwloc_topology_check() test uninitialized topologies

It's documented as only valid for loaded topology.
Return earlier otherwise, but still do some basic topology-independent checks.

Refs #622.

Signed-off-by: Brice Goglin <[email protected]>

Author: bgoglin

hwloc/topology.c

@@ -5224,6 +5224,9 @@ hwloc_topology_check(struct hwloc_topology *topology)
   for(i=HWLOC_OBJ_TYPE_MIN; i<HWLOC_OBJ_TYPE_MAX; i++)
     assert(obj_type_order[obj_order_type[i]] == i);
 
+  if (topology->state & HWLOC_TOPOLOGY_STATE_IS_INIT)
+    return;
+
   depth = hwloc_topology_get_depth(topology);
 
   assert(!topology->modified);