urcu,call_rcu: protects call_rcu_data_list when remove node

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index 3e947af2fd84bfd6c6843788d9f31a5ff720b876..d5b75c076de22de777244cc26fb86f0791f898a5 100644 (file)
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -619,7 +619,10 @@ void call_rcu_data_free(struct call_rcu_data *crdp)
                wake_call_rcu_thread(default_call_rcu_data);
        }
 
+       call_rcu_lock(&call_rcu_mutex);
        cds_list_del(&crdp->list);
+       call_rcu_unlock(&call_rcu_mutex);
+
        free(crdp);
 }