From 911d7d7f8cd490f8759167b65fc43786a93f5552 Mon Sep 17 00:00:00 2001
From: fengzero <fengzero@fengzero.com>
Date: Mon, 11 Sep 2023 08:18:37 +0000
Subject: [PATCH] fix(driver): check tags size

---
 src/adapter/driver/driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index 377640c7..d769bd91 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -1323,7 +1323,7 @@ static int read_callback(void *usr_data)
                               group_change);
     }
 
-    if (group->grp.tags != NULL) {
+    if (group->grp.tags != NULL && utarray_len(group->grp.tags) > 0) {
         int64_t spend = global_timestamp;
 
         group->driver->adapter.module->intf_funs->driver.group_timer(