traffic mirror对不合法的intercept policy判空，避免段错误

2019-06-10 11:35:55 +08:00
parent 74775096c4
commit d0e7e5a73e
1 changed files with 9 additions and 2 deletions
--- a/plugin/business/traffic-mirror/src/entry.cpp
+++ b/plugin/business/traffic-mirror/src/entry.cpp
@@ -25,9 +25,16 @@ void policy_table_ex_data_dup_cb(int table_id, MAAT_PLUGIN_EX_DATA * to,
    MAAT_PLUGIN_EX_DATA * from, long argl, void * argp)
 {
    struct policy_table_ex_data * ex_data = (struct policy_table_ex_data *)*from;
+	if(ex_data==NULL)
+	{
+		*to=NULL;
+	}
+	else
+	{
    	__sync_add_and_fetch(&ex_data->atomic_refcnt, 1);
 	    *to = (void *)ex_data;
 	}
+}

 void policy_table_ex_data_free_cb(int table_id, MAAT_PLUGIN_EX_DATA * ad, long argl, void * argp)
 {