cache: return error on cache invalid usage

Change-Id: I1178244aeaa75ab3213ce81eddbe4e011da52789

diff --git a/src/object_cache.c b/src/object_cache.c
index 454392c..3051847 100644 (file)
--- a/src/object_cache.c
+++ b/src/object_cache.c
@@ -194,6 +194,11 @@ void
 object_cache_build_async(AtspiAccessible *root, int bulk_size, ObjectCacheReadyCb cb, void *ud)
 {
    DEBUG("START");
+   if (idler)
+      {
+         ERROR("Invalid usage. Async cache build is ongoing...");
+         return;
+      }
    _object_cache_free_internal();
 
    callback = cb;