Minor hashlib bugfix

diff --git a/kernel/hashlib.h b/kernel/hashlib.h
index abdeefa13fa9d4966415265e95cf29a683fc6771..2da53dd8ae68e2be3efae06ddb9870508fc839de 100644 (file)
--- a/kernel/hashlib.h
+++ b/kernel/hashlib.h
@@ -156,7 +156,7 @@ struct hash_obj_ops {
        }
        template<typename T>
        static inline unsigned int hash(const T *a) {
-               return a->hash();
+               return a ? a->hash() : 0;
        }
 };